From 70b52222f53c5cbc81b5d061c09d7f15196a46e1 Mon Sep 17 00:00:00 2001 From: Andy Polyakov Date: Mon, 14 Nov 2011 21:01:21 +0000 Subject: [PATCH] x86_64 assembler pack update from HEAD. --- crypto/aes/asm/aes-x86_64.pl | 9 + crypto/aes/asm/bsaes-x86_64.pl | 3003 +++++++++++++++++++++++++++++++ crypto/aes/asm/vpaes-x86_64.pl | 1204 +++++++++++++ crypto/bn/asm/x86_64-gf2m.pl | 389 ++++ crypto/bn/asm/x86_64-mont.pl | 1492 ++++++++++++++- crypto/bn/asm/x86_64-mont5.pl | 1070 +++++++++++ crypto/sha/asm/sha512-x86_64.pl | 94 +- crypto/x86_64cpuid.pl | 2 +- 8 files changed, 7141 insertions(+), 122 deletions(-) create mode 100644 crypto/aes/asm/bsaes-x86_64.pl create mode 100644 crypto/aes/asm/vpaes-x86_64.pl create mode 100644 crypto/bn/asm/x86_64-gf2m.pl create mode 100755 crypto/bn/asm/x86_64-mont5.pl diff --git a/crypto/aes/asm/aes-x86_64.pl b/crypto/aes/asm/aes-x86_64.pl index 7d09b35ac2..48fa857d5b 100755 --- a/crypto/aes/asm/aes-x86_64.pl +++ b/crypto/aes/asm/aes-x86_64.pl @@ -588,6 +588,9 @@ $code.=<<___; .globl AES_encrypt .type AES_encrypt,\@function,3 .align 16 +.globl asm_AES_encrypt +.hidden asm_AES_encrypt +asm_AES_encrypt: AES_encrypt: push %rbx push %rbp @@ -1184,6 +1187,9 @@ $code.=<<___; .globl AES_decrypt .type AES_decrypt,\@function,3 .align 16 +.globl asm_AES_decrypt +.hidden asm_AES_decrypt +asm_AES_decrypt: AES_decrypt: push %rbx push %rbp @@ -1648,6 +1654,9 @@ $code.=<<___; .type AES_cbc_encrypt,\@function,6 .align 16 .extern OPENSSL_ia32cap_P +.globl asm_AES_cbc_encrypt +.hidden asm_AES_cbc_encrypt +asm_AES_cbc_encrypt: AES_cbc_encrypt: cmp \$0,%rdx # check length je .Lcbc_epilogue diff --git a/crypto/aes/asm/bsaes-x86_64.pl b/crypto/aes/asm/bsaes-x86_64.pl new file mode 100644 index 0000000000..edc70fa1be --- /dev/null +++ b/crypto/aes/asm/bsaes-x86_64.pl @@ -0,0 +1,3003 @@ +#!/usr/bin/env perl + +################################################################### +### AES-128 [originally in CTR mode] ### +### bitsliced implementation for Intel Core 2 processors ### +### requires support of SSE extensions up to SSSE3 ### +### Author: Emilia Käsper and Peter Schwabe ### +### Date: 2009-03-19 ### +### Public domain ### +### ### +### See http://homes.esat.kuleuven.be/~ekasper/#software for ### +### further information. ### +################################################################### +# +# September 2011. +# +# Started as transliteration to "perlasm" the original code has +# undergone following changes: +# +# - code was made position-independent; +# - rounds were folded into a loop resulting in >5x size reduction +# from 12.5KB to 2.2KB; +# - above was possibile thanks to mixcolumns() modification that +# allowed to feed its output back to aesenc[last], this was +# achieved at cost of two additional inter-registers moves; +# - some instruction reordering and interleaving; +# - this module doesn't implement key setup subroutine, instead it +# relies on conversion of "conventional" key schedule as returned +# by AES_set_encrypt_key (see discussion below); +# - first and last round keys are treated differently, which allowed +# to skip one shiftrows(), reduce bit-sliced key schedule and +# speed-up conversion by 22%; +# - support for 192- and 256-bit keys was added; +# +# Resulting performance in CPU cycles spent to encrypt one byte out +# of 4096-byte buffer with 128-bit key is: +# +# Emilia's this(*) difference +# +# Core 2 9.30 8.69 +7% +# Nehalem(**) 7.63 6.98 +9% +# Atom 17.1 17.4 -2%(***) +# +# (*) Comparison is not completely fair, because "this" is ECB, +# i.e. no extra processing such as counter values calculation +# and xor-ing input as in Emilia's CTR implementation is +# performed. However, the CTR calculations stand for not more +# than 1% of total time, so comparison is *rather* fair. +# +# (**) Results were collected on Westmere, which is considered to +# be equivalent to Nehalem for this code. +# +# (***) Slowdown on Atom is rather strange per se, because original +# implementation has a number of 9+-bytes instructions, which +# are bad for Atom front-end, and which I eliminated completely. +# In attempt to address deterioration sbox() was tested in FP +# SIMD "domain" (movaps instead of movdqa, xorps instead of +# pxor, etc.). While it resulted in nominal 4% improvement on +# Atom, it hurted Westmere by more than 2x factor. +# +# As for key schedule conversion subroutine. Interface to OpenSSL +# relies on per-invocation on-the-fly conversion. This naturally +# has impact on performance, especially for short inputs. Conversion +# time in CPU cycles and its ratio to CPU cycles spent in 8x block +# function is: +# +# conversion conversion/8x block +# Core 2 410 0.37 +# Nehalem 310 0.35 +# Atom 570 0.26 +# +# The ratio values mean that 128-byte blocks will be processed +# 21-27% slower, 256-byte blocks - 12-16%, 384-byte blocks - 8-11%, +# etc. Then keep in mind that input sizes not divisible by 128 are +# *effectively* slower, especially shortest ones, e.g. consecutive +# 144-byte blocks are processed 44% slower than one would expect, +# 272 - 29%, 400 - 22%, etc. Yet, despite all these "shortcomings" +# it's still faster than ["hyper-threading-safe" code path in] +# aes-x86_64.pl on all lengths above 64 bytes... +# +# October 2011. +# +# Add decryption procedure. Performance in CPU cycles spent to decrypt +# one byte out of 4096-byte buffer with 128-bit key is: +# +# Core 2 11.0 +# Nehalem 9.16 +# +# November 2011. +# +# Add bsaes_xts_[en|de]crypt. Less-than-80-bytes-block performance is +# suboptimal, but XTS is meant to be used with larger blocks... +# +# + +$flavour = shift; +$output = shift; +if ($flavour =~ /\./) { $output = $flavour; undef $flavour; } + +$win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/); + +$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; +( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or +( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or +die "can't locate x86_64-xlate.pl"; + +open STDOUT,"| $^X $xlate $flavour $output"; + +my ($inp,$out,$len,$key,$ivp)=("%rdi","%rsi","%rdx","%rcx"); +my @XMM=map("%xmm$_",(15,0..14)); # best on Atom, +10% over (0..15) +my $ecb=0; # suppress unreferenced ECB subroutines, spare some space... + +{ +my ($key,$rounds,$const)=("%rax","%r10d","%r11"); + +sub Sbox { +# input in lsb > [b0, b1, b2, b3, b4, b5, b6, b7] < msb +# output in lsb > [b0, b1, b4, b6, b3, b7, b2, b5] < msb +my @b=@_[0..7]; +my @t=@_[8..11]; +my @s=@_[12..15]; + &InBasisChange (@b); + &Inv_GF256 (@b[6,5,0,3,7,1,4,2],@t,@s); + &OutBasisChange (@b[7,1,4,2,6,5,0,3]); +} + +sub InBasisChange { +# input in lsb > [b0, b1, b2, b3, b4, b5, b6, b7] < msb +# output in lsb > [b6, b5, b0, b3, b7, b1, b4, b2] < msb +my @b=@_[0..7]; +$code.=<<___; + pxor @b[6], @b[5] + pxor @b[1], @b[2] + pxor @b[0], @b[3] + pxor @b[2], @b[6] + pxor @b[0], @b[5] + + pxor @b[3], @b[6] + pxor @b[7], @b[3] + pxor @b[5], @b[7] + pxor @b[4], @b[3] + pxor @b[5], @b[4] + pxor @b[1], @b[3] + + pxor @b[7], @b[2] + pxor @b[5], @b[1] +___ +} + +sub OutBasisChange { +# input in lsb > [b0, b1, b2, b3, b4, b5, b6, b7] < msb +# output in lsb > [b6, b1, b2, b4, b7, b0, b3, b5] < msb +my @b=@_[0..7]; +$code.=<<___; + pxor @b[6], @b[0] + pxor @b[4], @b[1] + pxor @b[0], @b[2] + pxor @b[6], @b[4] + pxor @b[1], @b[6] + + pxor @b[5], @b[1] + pxor @b[3], @b[5] + pxor @b[7], @b[3] + pxor @b[5], @b[7] + pxor @b[5], @b[2] + + pxor @b[7], @b[4] +___ +} + +sub InvSbox { +# input in lsb > [b0, b1, b2, b3, b4, b5, b6, b7] < msb +# output in lsb > [b0, b1, b6, b4, b2, b7, b3, b5] < msb +my @b=@_[0..7]; +my @t=@_[8..11]; +my @s=@_[12..15]; + &InvInBasisChange (@b); + &Inv_GF256 (@b[5,1,2,6,3,7,0,4],@t,@s); + &InvOutBasisChange (@b[3,7,0,4,5,1,2,6]); +} + +sub InvInBasisChange { # OutBasisChange in reverse +my @b=@_[5,1,2,6,3,7,0,4]; +$code.=<<___ + pxor @b[7], @b[4] + + pxor @b[5], @b[7] + pxor @b[5], @b[2] + pxor @b[7], @b[3] + pxor @b[3], @b[5] + pxor @b[5], @b[1] + + pxor @b[1], @b[6] + pxor @b[0], @b[2] + pxor @b[6], @b[4] + pxor @b[6], @b[0] + pxor @b[4], @b[1] +___ +} + +sub InvOutBasisChange { # InBasisChange in reverse +my @b=@_[2,5,7,3,6,1,0,4]; +$code.=<<___; + pxor @b[5], @b[1] + pxor @b[7], @b[2] + + pxor @b[1], @b[3] + pxor @b[5], @b[4] + pxor @b[5], @b[7] + pxor @b[4], @b[3] + pxor @b[0], @b[5] + pxor @b[7], @b[3] + pxor @b[2], @b[6] + pxor @b[1], @b[2] + pxor @b[3], @b[6] + + pxor @b[0], @b[3] + pxor @b[6], @b[5] +___ +} + +sub Mul_GF4 { +#;************************************************************* +#;* Mul_GF4: Input x0-x1,y0-y1 Output x0-x1 Temp t0 (8) * +#;************************************************************* +my ($x0,$x1,$y0,$y1,$t0)=@_; +$code.=<<___; + movdqa $y0, $t0 + pxor $y1, $t0 + pand $x0, $t0 + pxor $x1, $x0 + pand $y0, $x1 + pand $y1, $x0 + pxor $x1, $x0 + pxor $t0, $x1 +___ +} + +sub Mul_GF4_N { # not used, see next subroutine +# multiply and scale by N +my ($x0,$x1,$y0,$y1,$t0)=@_; +$code.=<<___; + movdqa $y0, $t0 + pxor $y1, $t0 + pand $x0, $t0 + pxor $x1, $x0 + pand $y0, $x1 + pand $y1, $x0 + pxor $x0, $x1 + pxor $t0, $x0 +___ +} + +sub Mul_GF4_N_GF4 { +# interleaved Mul_GF4_N and Mul_GF4 +my ($x0,$x1,$y0,$y1,$t0, + $x2,$x3,$y2,$y3,$t1)=@_; +$code.=<<___; + movdqa $y0, $t0 + movdqa $y2, $t1 + pxor $y1, $t0 + pxor $y3, $t1 + pand $x0, $t0 + pand $x2, $t1 + pxor $x1, $x0 + pxor $x3, $x2 + pand $y0, $x1 + pand $y2, $x3 + pand $y1, $x0 + pand $y3, $x2 + pxor $x0, $x1 + pxor $x3, $x2 + pxor $t0, $x0 + pxor $t1, $x3 +___ +} +sub Mul_GF16_2 { +my @x=@_[0..7]; +my @y=@_[8..11]; +my @t=@_[12..15]; +$code.=<<___; + movdqa @x[0], @t[0] + movdqa @x[1], @t[1] +___ + &Mul_GF4 (@x[0], @x[1], @y[0], @y[1], @t[2]); +$code.=<<___; + pxor @x[2], @t[0] + pxor @x[3], @t[1] + pxor @y[2], @y[0] + pxor @y[3], @y[1] +___ + Mul_GF4_N_GF4 (@t[0], @t[1], @y[0], @y[1], @t[3], + @x[2], @x[3], @y[2], @y[3], @t[2]); +$code.=<<___; + pxor @t[0], @x[0] + pxor @t[0], @x[2] + pxor @t[1], @x[1] + pxor @t[1], @x[3] + + movdqa @x[4], @t[0] + movdqa @x[5], @t[1] + pxor @x[6], @t[0] + pxor @x[7], @t[1] +___ + &Mul_GF4_N_GF4 (@t[0], @t[1], @y[0], @y[1], @t[3], + @x[6], @x[7], @y[2], @y[3], @t[2]); +$code.=<<___; + pxor @y[2], @y[0] + pxor @y[3], @y[1] +___ + &Mul_GF4 (@x[4], @x[5], @y[0], @y[1], @t[3]); +$code.=<<___; + pxor @t[0], @x[4] + pxor @t[0], @x[6] + pxor @t[1], @x[5] + pxor @t[1], @x[7] +___ +} +sub Inv_GF256 { +#;******************************************************************** +#;* Inv_GF256: Input x0-x7 Output x0-x7 Temp t0-t3,s0-s3 (144) * +#;******************************************************************** +my @x=@_[0..7]; +my @t=@_[8..11]; +my @s=@_[12..15]; +# direct optimizations from hardware +$code.=<<___; + movdqa @x[4], @t[3] + movdqa @x[5], @t[2] + movdqa @x[1], @t[1] + movdqa @x[7], @s[1] + movdqa @x[0], @s[0] + + pxor @x[6], @t[3] + pxor @x[7], @t[2] + pxor @x[3], @t[1] + movdqa @t[3], @s[2] + pxor @x[6], @s[1] + movdqa @t[2], @t[0] + pxor @x[2], @s[0] + movdqa @t[3], @s[3] + + por @t[1], @t[2] + por @s[0], @t[3] + pxor @t[0], @s[3] + pand @s[0], @s[2] + pxor @t[1], @s[0] + pand @t[1], @t[0] + pand @s[0], @s[3] + movdqa @x[3], @s[0] + pxor @x[2], @s[0] + pand @s[0], @s[1] + pxor @s[1], @t[3] + pxor @s[1], @t[2] + movdqa @x[4], @s[1] + movdqa @x[1], @s[0] + pxor @x[5], @s[1] + pxor @x[0], @s[0] + movdqa @s[1], @t[1] + pand @s[0], @s[1] + por @s[0], @t[1] + pxor @s[1], @t[0] + pxor @s[3], @t[3] + pxor @s[2], @t[2] + pxor @s[3], @t[1] + movdqa @x[7], @s[0] + pxor @s[2], @t[0] + movdqa @x[6], @s[1] + pxor @s[2], @t[1] + movdqa @x[5], @s[2] + pand @x[3], @s[0] + movdqa @x[4], @s[3] + pand @x[2], @s[1] + pand @x[1], @s[2] + por @x[0], @s[3] + pxor @s[0], @t[3] + pxor @s[1], @t[2] + pxor @s[2], @t[1] + pxor @s[3], @t[0] + + #Inv_GF16 \t0, \t1, \t2, \t3, \s0, \s1, \s2, \s3 + + # new smaller inversion + + movdqa @t[3], @s[0] + pand @t[1], @t[3] + pxor @t[2], @s[0] + + movdqa @t[0], @s[2] + movdqa @s[0], @s[3] + pxor @t[3], @s[2] + pand @s[2], @s[3] + + movdqa @t[1], @s[1] + pxor @t[2], @s[3] + pxor @t[0], @s[1] + + pxor @t[2], @t[3] + + pand @t[3], @s[1] + + movdqa @s[2], @t[2] + pxor @t[0], @s[1] + + pxor @s[1], @t[2] + pxor @s[1], @t[1] + + pand @t[0], @t[2] + + pxor @t[2], @s[2] + pxor @t[2], @t[1] + + pand @s[3], @s[2] + + pxor @s[0], @s[2] +___ +# output in s3, s2, s1, t1 + +# Mul_GF16_2 \x0, \x1, \x2, \x3, \x4, \x5, \x6, \x7, \t2, \t3, \t0, \t1, \s0, \s1, \s2, \s3 + +# Mul_GF16_2 \x0, \x1, \x2, \x3, \x4, \x5, \x6, \x7, \s3, \s2, \s1, \t1, \s0, \t0, \t2, \t3 + &Mul_GF16_2(@x,@s[3,2,1],@t[1],@s[0],@t[0,2,3]); + +### output msb > [x3,x2,x1,x0,x7,x6,x5,x4] < lsb +} + +# AES linear components + +sub ShiftRows { +my @x=@_[0..7]; +my $mask=pop; +$code.=<<___; + pxor 0x00($key),@x[0] + pxor 0x10($key),@x[1] + pshufb $mask,@x[0] + pxor 0x20($key),@x[2] + pshufb $mask,@x[1] + pxor 0x30($key),@x[3] + pshufb $mask,@x[2] + pxor 0x40($key),@x[4] + pshufb $mask,@x[3] + pxor 0x50($key),@x[5] + pshufb $mask,@x[4] + pxor 0x60($key),@x[6] + pshufb $mask,@x[5] + pxor 0x70($key),@x[7] + pshufb $mask,@x[6] + lea 0x80($key),$key + pshufb $mask,@x[7] +___ +} + +sub MixColumns { +# modified to emit output in order suitable for feeding back to aesenc[last] +my @x=@_[0..7]; +my @t=@_[8..15]; +$code.=<<___; + pshufd \$0x93, @x[0], @t[0] # x0 <<< 32 + pshufd \$0x93, @x[1], @t[1] + pxor @t[0], @x[0] # x0 ^ (x0 <<< 32) + pshufd \$0x93, @x[2], @t[2] + pxor @t[1], @x[1] + pshufd \$0x93, @x[3], @t[3] + pxor @t[2], @x[2] + pshufd \$0x93, @x[4], @t[4] + pxor @t[3], @x[3] + pshufd \$0x93, @x[5], @t[5] + pxor @t[4], @x[4] + pshufd \$0x93, @x[6], @t[6] + pxor @t[5], @x[5] + pshufd \$0x93, @x[7], @t[7] + pxor @t[6], @x[6] + pxor @t[7], @x[7] + + pxor @x[0], @t[1] + pxor @x[7], @t[0] + pxor @x[7], @t[1] + pshufd \$0x4E, @x[0], @x[0] # (x0 ^ (x0 <<< 32)) <<< 64) + pxor @x[1], @t[2] + pshufd \$0x4E, @x[1], @x[1] + pxor @x[4], @t[5] + pxor @t[0], @x[0] + pxor @x[5], @t[6] + pxor @t[1], @x[1] + pxor @x[3], @t[4] + pshufd \$0x4E, @x[4], @t[0] + pxor @x[6], @t[7] + pshufd \$0x4E, @x[5], @t[1] + pxor @x[2], @t[3] + pshufd \$0x4E, @x[3], @x[4] + pxor @x[7], @t[3] + pshufd \$0x4E, @x[7], @x[5] + pxor @x[7], @t[4] + pshufd \$0x4E, @x[6], @x[3] + pxor @t[4], @t[0] + pshufd \$0x4E, @x[2], @x[6] + pxor @t[5], @t[1] + + pxor @t[3], @x[4] + pxor @t[7], @x[5] + pxor @t[6], @x[3] + movdqa @t[0], @x[2] + pxor @t[2], @x[6] + movdqa @t[1], @x[7] +___ +} + +sub InvMixColumns { +my @x=@_[0..7]; +my @t=@_[8..15]; + +$code.=<<___; + # multiplication by 0x0e + pshufd \$0x93, @x[7], @t[7] + movdqa @x[2], @t[2] + pxor @x[5], @x[7] # 7 5 + pxor @x[5], @x[2] # 2 5 + pshufd \$0x93, @x[0], @t[0] + movdqa @x[5], @t[5] + pxor @x[0], @x[5] # 5 0 [1] + pxor @x[1], @x[0] # 0 1 + pshufd \$0x93, @x[1], @t[1] + pxor @x[2], @x[1] # 1 25 + pxor @x[6], @x[0] # 01 6 [2] + pxor @x[3], @x[1] # 125 3 [4] + pshufd \$0x93, @x[3], @t[3] + pxor @x[0], @x[2] # 25 016 [3] + pxor @x[7], @x[3] # 3 75 + pxor @x[6], @x[7] # 75 6 [0] + pshufd \$0x93, @x[6], @t[6] + movdqa @x[4], @t[4] + pxor @x[4], @x[6] # 6 4 + pxor @x[3], @x[4] # 4 375 [6] + pxor @x[7], @x[3] # 375 756=36 + pxor @t[5], @x[6] # 64 5 [7] + pxor @t[2], @x[3] # 36 2 + pxor @t[4], @x[3] # 362 4 [5] + pshufd \$0x93, @t[5], @t[5] +___ + my @y = @x[7,5,0,2,1,3,4,6]; +$code.=<<___; + # multiplication by 0x0b + pxor @y[0], @y[1] + pxor @t[0], @y[0] + pxor @t[1], @y[1] + pshufd \$0x93, @t[2], @t[2] + pxor @t[5], @y[0] + pxor @t[6], @y[1] + pxor @t[7], @y[0] + pshufd \$0x93, @t[4], @t[4] + pxor @t[6], @t[7] # clobber t[7] + pxor @y[0], @y[1] + + pxor @t[0], @y[3] + pshufd \$0x93, @t[0], @t[0] + pxor @t[1], @y[2] + pxor @t[1], @y[4] + pxor @t[2], @y[2] + pshufd \$0x93, @t[1], @t[1] + pxor @t[2], @y[3] + pxor @t[2], @y[5] + pxor @t[7], @y[2] + pshufd \$0x93, @t[2], @t[2] + pxor @t[3], @y[3] + pxor @t[3], @y[6] + pxor @t[3], @y[4] + pshufd \$0x93, @t[3], @t[3] + pxor @t[4], @y[7] + pxor @t[4], @y[5] + pxor @t[7], @y[7] + pxor @t[5], @y[3] + pxor @t[4], @y[4] + pxor @t[5], @t[7] # clobber t[7] even more + + pxor @t[7], @y[5] + pshufd \$0x93, @t[4], @t[4] + pxor @t[7], @y[6] + pxor @t[7], @y[4] + + pxor @t[5], @t[7] + pshufd \$0x93, @t[5], @t[5] + pxor @t[6], @t[7] # restore t[7] + + # multiplication by 0x0d + pxor @y[7], @y[4] + pxor @t[4], @y[7] + pshufd \$0x93, @t[6], @t[6] + pxor @t[0], @y[2] + pxor @t[5], @y[7] + pxor @t[2], @y[2] + pshufd \$0x93, @t[7], @t[7] + + pxor @y[1], @y[3] + pxor @t[1], @y[1] + pxor @t[0], @y[0] + pxor @t[0], @y[3] + pxor @t[5], @y[1] + pxor @t[5], @y[0] + pxor @t[7], @y[1] + pshufd \$0x93, @t[0], @t[0] + pxor @t[6], @y[0] + pxor @y[1], @y[3] + pxor @t[1], @y[4] + pshufd \$0x93, @t[1], @t[1] + + pxor @t[7], @y[7] + pxor @t[2], @y[4] + pxor @t[2], @y[5] + pshufd \$0x93, @t[2], @t[2] + pxor @t[6], @y[2] + pxor @t[3], @t[6] # clobber t[6] + pxor @y[7], @y[4] + pxor @t[6], @y[3] + + pxor @t[6], @y[6] + pxor @t[5], @y[5] + pxor @t[4], @y[6] + pshufd \$0x93, @t[4], @t[4] + pxor @t[6], @y[5] + pxor @t[7], @y[6] + pxor @t[3], @t[6] # restore t[6] + + pshufd \$0x93, @t[5], @t[5] + pshufd \$0x93, @t[6], @t[6] + pshufd \$0x93, @t[7], @t[7] + pshufd \$0x93, @t[3], @t[3] + + # multiplication by 0x09 + pxor @y[1], @y[4] + pxor @y[1], @t[1] # t[1]=y[1] + pxor @t[5], @t[0] # clobber t[0] + pxor @t[5], @t[1] + pxor @t[0], @y[3] + pxor @y[0], @t[0] # t[0]=y[0] + pxor @t[6], @t[1] + pxor @t[7], @t[6] # clobber t[6] + pxor @t[1], @y[4] + pxor @t[4], @y[7] + pxor @y[4], @t[4] # t[4]=y[4] + pxor @t[3], @y[6] + pxor @y[3], @t[3] # t[3]=y[3] + pxor @t[2], @y[5] + pxor @y[2], @t[2] # t[2]=y[2] + pxor @t[7], @t[3] + pxor @y[5], @t[5] # t[5]=y[5] + pxor @t[6], @t[2] + pxor @t[6], @t[5] + pxor @y[6], @t[6] # t[6]=y[6] + pxor @y[7], @t[7] # t[7]=y[7] + + movdqa @t[0],@XMM[0] + movdqa @t[1],@XMM[1] + movdqa @t[2],@XMM[2] + movdqa @t[3],@XMM[3] + movdqa @t[4],@XMM[4] + movdqa @t[5],@XMM[5] + movdqa @t[6],@XMM[6] + movdqa @t[7],@XMM[7] +___ +} + +sub aesenc { # not used +my @b=@_[0..7]; +my @t=@_[8..15]; +$code.=<<___; + movdqa 0x30($const),@t[0] # .LSR +___ + &ShiftRows (@b,@t[0]); + &Sbox (@b,@t); + &MixColumns (@b[0,1,4,6,3,7,2,5],@t); +} + +sub aesenclast { # not used +my @b=@_[0..7]; +my @t=@_[8..15]; +$code.=<<___; + movdqa 0x40($const),@t[0] # .LSRM0 +___ + &ShiftRows (@b,@t[0]); + &Sbox (@b,@t); +$code.=<<___ + pxor 0x00($key),@b[0] + pxor 0x10($key),@b[1] + pxor 0x20($key),@b[4] + pxor 0x30($key),@b[6] + pxor 0x40($key),@b[3] + pxor 0x50($key),@b[7] + pxor 0x60($key),@b[2] + pxor 0x70($key),@b[5] +___ +} + +sub swapmove { +my ($a,$b,$n,$mask,$t)=@_; +$code.=<<___; + movdqa $b,$t + psrlq \$$n,$b + pxor $a,$b + pand $mask,$b + pxor $b,$a + psllq \$$n,$b + pxor $t,$b +___ +} +sub swapmove2x { +my ($a0,$b0,$a1,$b1,$n,$mask,$t0,$t1)=@_; +$code.=<<___; + movdqa $b0,$t0 + psrlq \$$n,$b0 + movdqa $b1,$t1 + psrlq \$$n,$b1 + pxor $a0,$b0 + pxor $a1,$b1 + pand $mask,$b0 + pand $mask,$b1 + pxor $b0,$a0 + psllq \$$n,$b0 + pxor $b1,$a1 + psllq \$$n,$b1 + pxor $t0,$b0 + pxor $t1,$b1 +___ +} + +sub bitslice { +my @x=reverse(@_[0..7]); +my ($t0,$t1,$t2,$t3)=@_[8..11]; +$code.=<<___; + movdqa 0x00($const),$t0 # .LBS0 + movdqa 0x10($const),$t1 # .LBS1 +___ + &swapmove2x(@x[0,1,2,3],1,$t0,$t2,$t3); + &swapmove2x(@x[4,5,6,7],1,$t0,$t2,$t3); +$code.=<<___; + movdqa 0x20($const),$t0 # .LBS2 +___ + &swapmove2x(@x[0,2,1,3],2,$t1,$t2,$t3); + &swapmove2x(@x[4,6,5,7],2,$t1,$t2,$t3); + + &swapmove2x(@x[0,4,1,5],4,$t0,$t2,$t3); + &swapmove2x(@x[2,6,3,7],4,$t0,$t2,$t3); +} + +$code.=<<___; +.text + +.extern asm_AES_encrypt +.extern asm_AES_decrypt + +.type _bsaes_encrypt8,\@abi-omnipotent +.align 64 +_bsaes_encrypt8: + lea .LBS0(%rip), $const # constants table + + movdqa ($key), @XMM[9] # round 0 key + lea 0x10($key), $key + movdqa 0x60($const), @XMM[8] # .LM0SR + pxor @XMM[9], @XMM[0] # xor with round0 key + pxor @XMM[9], @XMM[1] + pshufb @XMM[8], @XMM[0] + pxor @XMM[9], @XMM[2] + pshufb @XMM[8], @XMM[1] + pxor @XMM[9], @XMM[3] + pshufb @XMM[8], @XMM[2] + pxor @XMM[9], @XMM[4] + pshufb @XMM[8], @XMM[3] + pxor @XMM[9], @XMM[5] + pshufb @XMM[8], @XMM[4] + pxor @XMM[9], @XMM[6] + pshufb @XMM[8], @XMM[5] + pxor @XMM[9], @XMM[7] + pshufb @XMM[8], @XMM[6] + pshufb @XMM[8], @XMM[7] +_bsaes_encrypt8_bitslice: +___ + &bitslice (@XMM[0..7, 8..11]); +$code.=<<___; + dec $rounds + jmp .Lenc_sbox +.align 16 +.Lenc_loop: +___ + &ShiftRows (@XMM[0..7, 8]); +$code.=".Lenc_sbox:\n"; + &Sbox (@XMM[0..7, 8..15]); +$code.=<<___; + dec $rounds + jl .Lenc_done +___ + &MixColumns (@XMM[0,1,4,6,3,7,2,5, 8..15]); +$code.=<<___; + movdqa 0x30($const), @XMM[8] # .LSR + jnz .Lenc_loop + movdqa 0x40($const), @XMM[8] # .LSRM0 + jmp .Lenc_loop +.align 16 +.Lenc_done: +___ + # output in lsb > [t0, t1, t4, t6, t3, t7, t2, t5] < msb + &bitslice (@XMM[0,1,4,6,3,7,2,5, 8..11]); +$code.=<<___; + movdqa ($key), @XMM[8] # last round key + pxor @XMM[8], @XMM[4] + pxor @XMM[8], @XMM[6] + pxor @XMM[8], @XMM[3] + pxor @XMM[8], @XMM[7] + pxor @XMM[8], @XMM[2] + pxor @XMM[8], @XMM[5] + pxor @XMM[8], @XMM[0] + pxor @XMM[8], @XMM[1] + ret +.size _bsaes_encrypt8,.-_bsaes_encrypt8 + +.type _bsaes_decrypt8,\@abi-omnipotent +.align 64 +_bsaes_decrypt8: + lea .LBS0(%rip), $const # constants table + + movdqa ($key), @XMM[9] # round 0 key + lea 0x10($key), $key + movdqa -0x30($const), @XMM[8] # .LM0ISR + pxor @XMM[9], @XMM[0] # xor with round0 key + pxor @XMM[9], @XMM[1] + pshufb @XMM[8], @XMM[0] + pxor @XMM[9], @XMM[2] + pshufb @XMM[8], @XMM[1] + pxor @XMM[9], @XMM[3] + pshufb @XMM[8], @XMM[2] + pxor @XMM[9], @XMM[4] + pshufb @XMM[8], @XMM[3] + pxor @XMM[9], @XMM[5] + pshufb @XMM[8], @XMM[4] + pxor @XMM[9], @XMM[6] + pshufb @XMM[8], @XMM[5] + pxor @XMM[9], @XMM[7] + pshufb @XMM[8], @XMM[6] + pshufb @XMM[8], @XMM[7] +___ + &bitslice (@XMM[0..7, 8..11]); +$code.=<<___; + dec $rounds + jmp .Ldec_sbox +.align 16 +.Ldec_loop: +___ + &ShiftRows (@XMM[0..7, 8]); +$code.=".Ldec_sbox:\n"; + &InvSbox (@XMM[0..7, 8..15]); +$code.=<<___; + dec $rounds + jl .Ldec_done +___ + &InvMixColumns (@XMM[0,1,6,4,2,7,3,5, 8..15]); +$code.=<<___; + movdqa -0x10($const), @XMM[8] # .LISR + jnz .Ldec_loop + movdqa -0x20($const), @XMM[8] # .LISRM0 + jmp .Ldec_loop +.align 16 +.Ldec_done: +___ + &bitslice (@XMM[0,1,6,4,2,7,3,5, 8..11]); +$code.=<<___; + movdqa ($key), @XMM[8] # last round key + pxor @XMM[8], @XMM[6] + pxor @XMM[8], @XMM[4] + pxor @XMM[8], @XMM[2] + pxor @XMM[8], @XMM[7] + pxor @XMM[8], @XMM[3] + pxor @XMM[8], @XMM[5] + pxor @XMM[8], @XMM[0] + pxor @XMM[8], @XMM[1] + ret +.size _bsaes_decrypt8,.-_bsaes_decrypt8 +___ +} +{ +my ($out,$inp,$rounds,$const)=("%rax","%rcx","%r10d","%r11"); + +sub bitslice_key { +my @x=reverse(@_[0..7]); +my ($bs0,$bs1,$bs2,$t2,$t3)=@_[8..12]; + + &swapmove (@x[0,1],1,$bs0,$t2,$t3); +$code.=<<___; + #&swapmove(@x[2,3],1,$t0,$t2,$t3); + movdqa @x[0], @x[2] + movdqa @x[1], @x[3] +___ + #&swapmove2x(@x[4,5,6,7],1,$t0,$t2,$t3); + + &swapmove2x (@x[0,2,1,3],2,$bs1,$t2,$t3); +$code.=<<___; + #&swapmove2x(@x[4,6,5,7],2,$t1,$t2,$t3); + movdqa @x[0], @x[4] + movdqa @x[2], @x[6] + movdqa @x[1], @x[5] + movdqa @x[3], @x[7] +___ + &swapmove2x (@x[0,4,1,5],4,$bs2,$t2,$t3); + &swapmove2x (@x[2,6,3,7],4,$bs2,$t2,$t3); +} + +$code.=<<___; +.type _bsaes_key_convert,\@abi-omnipotent +.align 16 +_bsaes_key_convert: + lea .LBS1(%rip), $const + movdqu ($inp), %xmm7 # load round 0 key + movdqa -0x10($const), %xmm8 # .LBS0 + movdqa 0x00($const), %xmm9 # .LBS1 + movdqa 0x10($const), %xmm10 # .LBS2 + movdqa 0x40($const), %xmm13 # .LM0 + movdqa 0x60($const), %xmm14 # .LNOT + + movdqu 0x10($inp), %xmm6 # load round 1 key + lea 0x10($inp), $inp + movdqa %xmm7, ($out) # save round 0 key + lea 0x10($out), $out + dec $rounds + jmp .Lkey_loop +.align 16 +.Lkey_loop: + pshufb %xmm13, %xmm6 # .LM0 + movdqa %xmm6, %xmm7 +___ + &bitslice_key (map("%xmm$_",(0..7, 8..12))); +$code.=<<___; + pxor %xmm14, %xmm5 # "pnot" + pxor %xmm14, %xmm6 + pxor %xmm14, %xmm0 + pxor %xmm14, %xmm1 + lea 0x10($inp), $inp + movdqa %xmm0, 0x00($out) # write bit-sliced round key + movdqa %xmm1, 0x10($out) + movdqa %xmm2, 0x20($out) + movdqa %xmm3, 0x30($out) + movdqa %xmm4, 0x40($out) + movdqa %xmm5, 0x50($out) + movdqa %xmm6, 0x60($out) + movdqa %xmm7, 0x70($out) + lea 0x80($out),$out + movdqu ($inp), %xmm6 # load next round key + dec $rounds + jnz .Lkey_loop + + movdqa 0x70($const), %xmm7 # .L63 + #movdqa %xmm6, ($out) # don't save last round key + ret +.size _bsaes_key_convert,.-_bsaes_key_convert +___ +} + +if (0 && !$win64) { # following four functions are unsupported interface + # used for benchmarking... +$code.=<<___; +.globl bsaes_enc_key_convert +.type bsaes_enc_key_convert,\@function,2 +.align 16 +bsaes_enc_key_convert: + mov 240($inp),%r10d # pass rounds + mov $inp,%rcx # pass key + mov $out,%rax # pass key schedule + call _bsaes_key_convert + pxor %xmm6,%xmm7 # fix up last round key + movdqa %xmm7,(%rax) # save last round key + ret +.size bsaes_enc_key_convert,.-bsaes_enc_key_convert + +.globl bsaes_encrypt_128 +.type bsaes_encrypt_128,\@function,4 +.align 16 +bsaes_encrypt_128: +.Lenc128_loop: + movdqu 0x00($inp), @XMM[0] # load input + movdqu 0x10($inp), @XMM[1] + movdqu 0x20($inp), @XMM[2] + movdqu 0x30($inp), @XMM[3] + movdqu 0x40($inp), @XMM[4] + movdqu 0x50($inp), @XMM[5] + movdqu 0x60($inp), @XMM[6] + movdqu 0x70($inp), @XMM[7] + mov $key, %rax # pass the $key + lea 0x80($inp), $inp + mov \$10,%r10d + + call _bsaes_encrypt8 + + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + movdqu @XMM[4], 0x20($out) + movdqu @XMM[6], 0x30($out) + movdqu @XMM[3], 0x40($out) + movdqu @XMM[7], 0x50($out) + movdqu @XMM[2], 0x60($out) + movdqu @XMM[5], 0x70($out) + lea 0x80($out), $out + sub \$0x80,$len + ja .Lenc128_loop + ret +.size bsaes_encrypt_128,.-bsaes_encrypt_128 + +.globl bsaes_dec_key_convert +.type bsaes_dec_key_convert,\@function,2 +.align 16 +bsaes_dec_key_convert: + mov 240($inp),%r10d # pass rounds + mov $inp,%rcx # pass key + mov $out,%rax # pass key schedule + call _bsaes_key_convert + pxor ($out),%xmm7 # fix up round 0 key + movdqa %xmm6,(%rax) # save last round key + movdqa %xmm7,($out) + ret +.size bsaes_dec_key_convert,.-bsaes_dec_key_convert + +.globl bsaes_decrypt_128 +.type bsaes_decrypt_128,\@function,4 +.align 16 +bsaes_decrypt_128: +.Ldec128_loop: + movdqu 0x00($inp), @XMM[0] # load input + movdqu 0x10($inp), @XMM[1] + movdqu 0x20($inp), @XMM[2] + movdqu 0x30($inp), @XMM[3] + movdqu 0x40($inp), @XMM[4] + movdqu 0x50($inp), @XMM[5] + movdqu 0x60($inp), @XMM[6] + movdqu 0x70($inp), @XMM[7] + mov $key, %rax # pass the $key + lea 0x80($inp), $inp + mov \$10,%r10d + + call _bsaes_decrypt8 + + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + movdqu @XMM[6], 0x20($out) + movdqu @XMM[4], 0x30($out) + movdqu @XMM[2], 0x40($out) + movdqu @XMM[7], 0x50($out) + movdqu @XMM[3], 0x60($out) + movdqu @XMM[5], 0x70($out) + lea 0x80($out), $out + sub \$0x80,$len + ja .Ldec128_loop + ret +.size bsaes_decrypt_128,.-bsaes_decrypt_128 +___ +} +{ +###################################################################### +# +# OpenSSL interface +# +my ($arg1,$arg2,$arg3,$arg4,$arg5,$arg6)=$win64 ? ("%rcx","%rdx","%r8","%r9","%r10","%r11d") + : ("%rdi","%rsi","%rdx","%rcx","%r8","%r9d"); +my ($inp,$out,$len,$key)=("%r12","%r13","%r14","%r15"); + +if ($ecb) { +$code.=<<___; +.globl bsaes_ecb_encrypt_blocks +.type bsaes_ecb_encrypt_blocks,\@abi-omnipotent +.align 16 +bsaes_ecb_encrypt_blocks: + mov %rsp, %rax +.Lecb_enc_prologue: + push %rbp + push %rbx + push %r12 + push %r13 + push %r14 + push %r15 + lea -0x48(%rsp),%rsp +___ +$code.=<<___ if ($win64); + lea -0xa0(%rsp), %rsp + movaps %xmm6, 0x40(%rsp) + movaps %xmm7, 0x50(%rsp) + movaps %xmm8, 0x60(%rsp) + movaps %xmm9, 0x70(%rsp) + movaps %xmm10, 0x80(%rsp) + movaps %xmm11, 0x90(%rsp) + movaps %xmm12, 0xa0(%rsp) + movaps %xmm13, 0xb0(%rsp) + movaps %xmm14, 0xc0(%rsp) + movaps %xmm15, 0xd0(%rsp) +.Lecb_enc_body: +___ +$code.=<<___; + mov %rsp,%rbp # backup %rsp + mov 240($arg4),%eax # rounds + mov $arg1,$inp # backup arguments + mov $arg2,$out + mov $arg3,$len + mov $arg4,$key + cmp \$8,$arg3 + jb .Lecb_enc_short + + mov %eax,%ebx # backup rounds + shl \$7,%rax # 128 bytes per inner round key + sub \$`128-32`,%rax # size of bit-sliced key schedule + sub %rax,%rsp + mov %rsp,%rax # pass key schedule + mov $key,%rcx # pass key + mov %ebx,%r10d # pass rounds + call _bsaes_key_convert + pxor %xmm6,%xmm7 # fix up last round key + movdqa %xmm7,(%rax) # save last round key + + sub \$8,$len +.Lecb_enc_loop: + movdqu 0x00($inp), @XMM[0] # load input + movdqu 0x10($inp), @XMM[1] + movdqu 0x20($inp), @XMM[2] + movdqu 0x30($inp), @XMM[3] + movdqu 0x40($inp), @XMM[4] + movdqu 0x50($inp), @XMM[5] + mov %rsp, %rax # pass key schedule + movdqu 0x60($inp), @XMM[6] + mov %ebx,%r10d # pass rounds + movdqu 0x70($inp), @XMM[7] + lea 0x80($inp), $inp + + call _bsaes_encrypt8 + + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + movdqu @XMM[4], 0x20($out) + movdqu @XMM[6], 0x30($out) + movdqu @XMM[3], 0x40($out) + movdqu @XMM[7], 0x50($out) + movdqu @XMM[2], 0x60($out) + movdqu @XMM[5], 0x70($out) + lea 0x80($out), $out + sub \$8,$len + jnc .Lecb_enc_loop + + add \$8,$len + jz .Lecb_enc_done + + movdqu 0x00($inp), @XMM[0] # load input + mov %rsp, %rax # pass key schedule + mov %ebx,%r10d # pass rounds + cmp \$2,$len + jb .Lecb_enc_one + movdqu 0x10($inp), @XMM[1] + je .Lecb_enc_two + movdqu 0x20($inp), @XMM[2] + cmp \$4,$len + jb .Lecb_enc_three + movdqu 0x30($inp), @XMM[3] + je .Lecb_enc_four + movdqu 0x40($inp), @XMM[4] + cmp \$6,$len + jb .Lecb_enc_five + movdqu 0x50($inp), @XMM[5] + je .Lecb_enc_six + movdqu 0x60($inp), @XMM[6] + call _bsaes_encrypt8 + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + movdqu @XMM[4], 0x20($out) + movdqu @XMM[6], 0x30($out) + movdqu @XMM[3], 0x40($out) + movdqu @XMM[7], 0x50($out) + movdqu @XMM[2], 0x60($out) + jmp .Lecb_enc_done +.align 16 +.Lecb_enc_six: + call _bsaes_encrypt8 + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + movdqu @XMM[4], 0x20($out) + movdqu @XMM[6], 0x30($out) + movdqu @XMM[3], 0x40($out) + movdqu @XMM[7], 0x50($out) + jmp .Lecb_enc_done +.align 16 +.Lecb_enc_five: + call _bsaes_encrypt8 + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + movdqu @XMM[4], 0x20($out) + movdqu @XMM[6], 0x30($out) + movdqu @XMM[3], 0x40($out) + jmp .Lecb_enc_done +.align 16 +.Lecb_enc_four: + call _bsaes_encrypt8 + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + movdqu @XMM[4], 0x20($out) + movdqu @XMM[6], 0x30($out) + jmp .Lecb_enc_done +.align 16 +.Lecb_enc_three: + call _bsaes_encrypt8 + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + movdqu @XMM[4], 0x20($out) + jmp .Lecb_enc_done +.align 16 +.Lecb_enc_two: + call _bsaes_encrypt8 + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + jmp .Lecb_enc_done +.align 16 +.Lecb_enc_one: + call _bsaes_encrypt8 + movdqu @XMM[0], 0x00($out) # write output + jmp .Lecb_enc_done +.align 16 +.Lecb_enc_short: + lea ($inp), $arg1 + lea ($out), $arg2 + lea ($key), $arg3 + call asm_AES_encrypt + lea 16($inp), $inp + lea 16($out), $out + dec $len + jnz .Lecb_enc_short + +.Lecb_enc_done: + lea (%rsp),%rax + pxor %xmm0, %xmm0 +.Lecb_enc_bzero: # wipe key schedule [if any] + movdqa %xmm0, 0x00(%rax) + movdqa %xmm0, 0x10(%rax) + lea 0x20(%rax), %rax + cmp %rax, %rbp + jb .Lecb_enc_bzero + + lea (%rbp),%rsp # restore %rsp +___ +$code.=<<___ if ($win64); + movaps 0x40(%rbp), %xmm6 + movaps 0x50(%rbp), %xmm7 + movaps 0x60(%rbp), %xmm8 + movaps 0x70(%rbp), %xmm9 + movaps 0x80(%rbp), %xmm10 + movaps 0x90(%rbp), %xmm11 + movaps 0xa0(%rbp), %xmm12 + movaps 0xb0(%rbp), %xmm13 + movaps 0xc0(%rbp), %xmm14 + movaps 0xd0(%rbp), %xmm15 + lea 0xa0(%rbp), %rsp +___ +$code.=<<___; + mov 0x48(%rsp), %r15 + mov 0x50(%rsp), %r14 + mov 0x58(%rsp), %r13 + mov 0x60(%rsp), %r12 + mov 0x68(%rsp), %rbx + mov 0x70(%rsp), %rax + lea 0x78(%rsp), %rsp + mov %rax, %rbp +.Lecb_enc_epilogue: + ret +.size bsaes_ecb_encrypt_blocks,.-bsaes_ecb_encrypt_blocks + +.globl bsaes_ecb_decrypt_blocks +.type bsaes_ecb_decrypt_blocks,\@abi-omnipotent +.align 16 +bsaes_ecb_decrypt_blocks: + mov %rsp, %rax +.Lecb_dec_prologue: + push %rbp + push %rbx + push %r12 + push %r13 + push %r14 + push %r15 + lea -0x48(%rsp),%rsp +___ +$code.=<<___ if ($win64); + lea -0xa0(%rsp), %rsp + movaps %xmm6, 0x40(%rsp) + movaps %xmm7, 0x50(%rsp) + movaps %xmm8, 0x60(%rsp) + movaps %xmm9, 0x70(%rsp) + movaps %xmm10, 0x80(%rsp) + movaps %xmm11, 0x90(%rsp) + movaps %xmm12, 0xa0(%rsp) + movaps %xmm13, 0xb0(%rsp) + movaps %xmm14, 0xc0(%rsp) + movaps %xmm15, 0xd0(%rsp) +.Lecb_dec_body: +___ +$code.=<<___; + mov %rsp,%rbp # backup %rsp + mov 240($arg4),%eax # rounds + mov $arg1,$inp # backup arguments + mov $arg2,$out + mov $arg3,$len + mov $arg4,$key + cmp \$8,$arg3 + jb .Lecb_dec_short + + mov %eax,%ebx # backup rounds + shl \$7,%rax # 128 bytes per inner round key + sub \$`128-32`,%rax # size of bit-sliced key schedule + sub %rax,%rsp + mov %rsp,%rax # pass key schedule + mov $key,%rcx # pass key + mov %ebx,%r10d # pass rounds + call _bsaes_key_convert + pxor (%rsp),%xmm7 # fix up 0 round key + movdqa %xmm6,(%rax) # save last round key + movdqa %xmm7,(%rsp) + + sub \$8,$len +.Lecb_dec_loop: + movdqu 0x00($inp), @XMM[0] # load input + movdqu 0x10($inp), @XMM[1] + movdqu 0x20($inp), @XMM[2] + movdqu 0x30($inp), @XMM[3] + movdqu 0x40($inp), @XMM[4] + movdqu 0x50($inp), @XMM[5] + mov %rsp, %rax # pass key schedule + movdqu 0x60($inp), @XMM[6] + mov %ebx,%r10d # pass rounds + movdqu 0x70($inp), @XMM[7] + lea 0x80($inp), $inp + + call _bsaes_decrypt8 + + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + movdqu @XMM[6], 0x20($out) + movdqu @XMM[4], 0x30($out) + movdqu @XMM[2], 0x40($out) + movdqu @XMM[7], 0x50($out) + movdqu @XMM[3], 0x60($out) + movdqu @XMM[5], 0x70($out) + lea 0x80($out), $out + sub \$8,$len + jnc .Lecb_dec_loop + + add \$8,$len + jz .Lecb_dec_done + + movdqu 0x00($inp), @XMM[0] # load input + mov %rsp, %rax # pass key schedule + mov %ebx,%r10d # pass rounds + cmp \$2,$len + jb .Lecb_dec_one + movdqu 0x10($inp), @XMM[1] + je .Lecb_dec_two + movdqu 0x20($inp), @XMM[2] + cmp \$4,$len + jb .Lecb_dec_three + movdqu 0x30($inp), @XMM[3] + je .Lecb_dec_four + movdqu 0x40($inp), @XMM[4] + cmp \$6,$len + jb .Lecb_dec_five + movdqu 0x50($inp), @XMM[5] + je .Lecb_dec_six + movdqu 0x60($inp), @XMM[6] + call _bsaes_decrypt8 + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + movdqu @XMM[6], 0x20($out) + movdqu @XMM[4], 0x30($out) + movdqu @XMM[2], 0x40($out) + movdqu @XMM[7], 0x50($out) + movdqu @XMM[3], 0x60($out) + jmp .Lecb_dec_done +.align 16 +.Lecb_dec_six: + call _bsaes_decrypt8 + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + movdqu @XMM[6], 0x20($out) + movdqu @XMM[4], 0x30($out) + movdqu @XMM[2], 0x40($out) + movdqu @XMM[7], 0x50($out) + jmp .Lecb_dec_done +.align 16 +.Lecb_dec_five: + call _bsaes_decrypt8 + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + movdqu @XMM[6], 0x20($out) + movdqu @XMM[4], 0x30($out) + movdqu @XMM[2], 0x40($out) + jmp .Lecb_dec_done +.align 16 +.Lecb_dec_four: + call _bsaes_decrypt8 + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + movdqu @XMM[6], 0x20($out) + movdqu @XMM[4], 0x30($out) + jmp .Lecb_dec_done +.align 16 +.Lecb_dec_three: + call _bsaes_decrypt8 + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + movdqu @XMM[6], 0x20($out) + jmp .Lecb_dec_done +.align 16 +.Lecb_dec_two: + call _bsaes_decrypt8 + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + jmp .Lecb_dec_done +.align 16 +.Lecb_dec_one: + call _bsaes_decrypt8 + movdqu @XMM[0], 0x00($out) # write output + jmp .Lecb_dec_done +.align 16 +.Lecb_dec_short: + lea ($inp), $arg1 + lea ($out), $arg2 + lea ($key), $arg3 + call asm_AES_decrypt + lea 16($inp), $inp + lea 16($out), $out + dec $len + jnz .Lecb_dec_short + +.Lecb_dec_done: + lea (%rsp),%rax + pxor %xmm0, %xmm0 +.Lecb_dec_bzero: # wipe key schedule [if any] + movdqa %xmm0, 0x00(%rax) + movdqa %xmm0, 0x10(%rax) + lea 0x20(%rax), %rax + cmp %rax, %rbp + jb .Lecb_dec_bzero + + lea (%rbp),%rsp # restore %rsp +___ +$code.=<<___ if ($win64); + movaps 0x40(%rbp), %xmm6 + movaps 0x50(%rbp), %xmm7 + movaps 0x60(%rbp), %xmm8 + movaps 0x70(%rbp), %xmm9 + movaps 0x80(%rbp), %xmm10 + movaps 0x90(%rbp), %xmm11 + movaps 0xa0(%rbp), %xmm12 + movaps 0xb0(%rbp), %xmm13 + movaps 0xc0(%rbp), %xmm14 + movaps 0xd0(%rbp), %xmm15 + lea 0xa0(%rbp), %rsp +___ +$code.=<<___; + mov 0x48(%rsp), %r15 + mov 0x50(%rsp), %r14 + mov 0x58(%rsp), %r13 + mov 0x60(%rsp), %r12 + mov 0x68(%rsp), %rbx + mov 0x70(%rsp), %rax + lea 0x78(%rsp), %rsp + mov %rax, %rbp +.Lecb_dec_epilogue: + ret +.size bsaes_ecb_decrypt_blocks,.-bsaes_ecb_decrypt_blocks +___ +} +$code.=<<___; +.extern asm_AES_cbc_encrypt +.globl bsaes_cbc_encrypt +.type bsaes_cbc_encrypt,\@abi-omnipotent +.align 16 +bsaes_cbc_encrypt: +___ +$code.=<<___ if ($win64); + mov 48(%rsp),$arg6 # pull direction flag +___ +$code.=<<___; + cmp \$0,$arg6 + jne asm_AES_cbc_encrypt + cmp \$128,$arg3 + jb asm_AES_cbc_encrypt + + mov %rsp, %rax +.Lcbc_dec_prologue: + push %rbp + push %rbx + push %r12 + push %r13 + push %r14 + push %r15 + lea -0x48(%rsp), %rsp +___ +$code.=<<___ if ($win64); + mov 0xa0(%rsp),$arg5 # pull ivp + lea -0xa0(%rsp), %rsp + movaps %xmm6, 0x40(%rsp) + movaps %xmm7, 0x50(%rsp) + movaps %xmm8, 0x60(%rsp) + movaps %xmm9, 0x70(%rsp) + movaps %xmm10, 0x80(%rsp) + movaps %xmm11, 0x90(%rsp) + movaps %xmm12, 0xa0(%rsp) + movaps %xmm13, 0xb0(%rsp) + movaps %xmm14, 0xc0(%rsp) + movaps %xmm15, 0xd0(%rsp) +.Lcbc_dec_body: +___ +$code.=<<___; + mov %rsp, %rbp # backup %rsp + mov 240($arg4), %eax # rounds + mov $arg1, $inp # backup arguments + mov $arg2, $out + mov $arg3, $len + mov $arg4, $key + mov $arg5, %rbx + shr \$4, $len # bytes to blocks + + mov %eax, %edx # rounds + shl \$7, %rax # 128 bytes per inner round key + sub \$`128-32`, %rax # size of bit-sliced key schedule + sub %rax, %rsp + + mov %rsp, %rax # pass key schedule + mov $key, %rcx # pass key + mov %edx, %r10d # pass rounds + call _bsaes_key_convert + pxor (%rsp),%xmm7 # fix up 0 round key + movdqa %xmm6,(%rax) # save last round key + movdqa %xmm7,(%rsp) + + movdqu (%rbx), @XMM[15] # load IV + sub \$8,$len +.Lcbc_dec_loop: + movdqu 0x00($inp), @XMM[0] # load input + movdqu 0x10($inp), @XMM[1] + movdqu 0x20($inp), @XMM[2] + movdqu 0x30($inp), @XMM[3] + movdqu 0x40($inp), @XMM[4] + movdqu 0x50($inp), @XMM[5] + mov %rsp, %rax # pass key schedule + movdqu 0x60($inp), @XMM[6] + mov %edx,%r10d # pass rounds + movdqu 0x70($inp), @XMM[7] + movdqa @XMM[15], 0x20(%rbp) # put aside IV + + call _bsaes_decrypt8 + + pxor 0x20(%rbp), @XMM[0] # ^= IV + movdqu 0x00($inp), @XMM[8] # re-load input + movdqu 0x10($inp), @XMM[9] + pxor @XMM[8], @XMM[1] + movdqu 0x20($inp), @XMM[10] + pxor @XMM[9], @XMM[6] + movdqu 0x30($inp), @XMM[11] + pxor @XMM[10], @XMM[4] + movdqu 0x40($inp), @XMM[12] + pxor @XMM[11], @XMM[2] + movdqu 0x50($inp), @XMM[13] + pxor @XMM[12], @XMM[7] + movdqu 0x60($inp), @XMM[14] + pxor @XMM[13], @XMM[3] + movdqu 0x70($inp), @XMM[15] # IV + pxor @XMM[14], @XMM[5] + movdqu @XMM[0], 0x00($out) # write output + lea 0x80($inp), $inp + movdqu @XMM[1], 0x10($out) + movdqu @XMM[6], 0x20($out) + movdqu @XMM[4], 0x30($out) + movdqu @XMM[2], 0x40($out) + movdqu @XMM[7], 0x50($out) + movdqu @XMM[3], 0x60($out) + movdqu @XMM[5], 0x70($out) + lea 0x80($out), $out + sub \$8,$len + jnc .Lcbc_dec_loop + + add \$8,$len + jz .Lcbc_dec_done + + movdqu 0x00($inp), @XMM[0] # load input + mov %rsp, %rax # pass key schedule + mov %edx, %r10d # pass rounds + cmp \$2,$len + jb .Lcbc_dec_one + movdqu 0x10($inp), @XMM[1] + je .Lcbc_dec_two + movdqu 0x20($inp), @XMM[2] + cmp \$4,$len + jb .Lcbc_dec_three + movdqu 0x30($inp), @XMM[3] + je .Lcbc_dec_four + movdqu 0x40($inp), @XMM[4] + cmp \$6,$len + jb .Lcbc_dec_five + movdqu 0x50($inp), @XMM[5] + je .Lcbc_dec_six + movdqu 0x60($inp), @XMM[6] + movdqa @XMM[15], 0x20(%rbp) # put aside IV + call _bsaes_decrypt8 + pxor 0x20(%rbp), @XMM[0] # ^= IV + movdqu 0x00($inp), @XMM[8] # re-load input + movdqu 0x10($inp), @XMM[9] + pxor @XMM[8], @XMM[1] + movdqu 0x20($inp), @XMM[10] + pxor @XMM[9], @XMM[6] + movdqu 0x30($inp), @XMM[11] + pxor @XMM[10], @XMM[4] + movdqu 0x40($inp), @XMM[12] + pxor @XMM[11], @XMM[2] + movdqu 0x50($inp), @XMM[13] + pxor @XMM[12], @XMM[7] + movdqu 0x60($inp), @XMM[15] # IV + pxor @XMM[13], @XMM[3] + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + movdqu @XMM[6], 0x20($out) + movdqu @XMM[4], 0x30($out) + movdqu @XMM[2], 0x40($out) + movdqu @XMM[7], 0x50($out) + movdqu @XMM[3], 0x60($out) + jmp .Lcbc_dec_done +.align 16 +.Lcbc_dec_six: + movdqa @XMM[15], 0x20(%rbp) # put aside IV + call _bsaes_decrypt8 + pxor 0x20(%rbp), @XMM[0] # ^= IV + movdqu 0x00($inp), @XMM[8] # re-load input + movdqu 0x10($inp), @XMM[9] + pxor @XMM[8], @XMM[1] + movdqu 0x20($inp), @XMM[10] + pxor @XMM[9], @XMM[6] + movdqu 0x30($inp), @XMM[11] + pxor @XMM[10], @XMM[4] + movdqu 0x40($inp), @XMM[12] + pxor @XMM[11], @XMM[2] + movdqu 0x50($inp), @XMM[15] # IV + pxor @XMM[12], @XMM[7] + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + movdqu @XMM[6], 0x20($out) + movdqu @XMM[4], 0x30($out) + movdqu @XMM[2], 0x40($out) + movdqu @XMM[7], 0x50($out) + jmp .Lcbc_dec_done +.align 16 +.Lcbc_dec_five: + movdqa @XMM[15], 0x20(%rbp) # put aside IV + call _bsaes_decrypt8 + pxor 0x20(%rbp), @XMM[0] # ^= IV + movdqu 0x00($inp), @XMM[8] # re-load input + movdqu 0x10($inp), @XMM[9] + pxor @XMM[8], @XMM[1] + movdqu 0x20($inp), @XMM[10] + pxor @XMM[9], @XMM[6] + movdqu 0x30($inp), @XMM[11] + pxor @XMM[10], @XMM[4] + movdqu 0x40($inp), @XMM[15] # IV + pxor @XMM[11], @XMM[2] + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + movdqu @XMM[6], 0x20($out) + movdqu @XMM[4], 0x30($out) + movdqu @XMM[2], 0x40($out) + jmp .Lcbc_dec_done +.align 16 +.Lcbc_dec_four: + movdqa @XMM[15], 0x20(%rbp) # put aside IV + call _bsaes_decrypt8 + pxor 0x20(%rbp), @XMM[0] # ^= IV + movdqu 0x00($inp), @XMM[8] # re-load input + movdqu 0x10($inp), @XMM[9] + pxor @XMM[8], @XMM[1] + movdqu 0x20($inp), @XMM[10] + pxor @XMM[9], @XMM[6] + movdqu 0x30($inp), @XMM[15] # IV + pxor @XMM[10], @XMM[4] + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + movdqu @XMM[6], 0x20($out) + movdqu @XMM[4], 0x30($out) + jmp .Lcbc_dec_done +.align 16 +.Lcbc_dec_three: + movdqa @XMM[15], 0x20(%rbp) # put aside IV + call _bsaes_decrypt8 + pxor 0x20(%rbp), @XMM[0] # ^= IV + movdqu 0x00($inp), @XMM[8] # re-load input + movdqu 0x10($inp), @XMM[9] + pxor @XMM[8], @XMM[1] + movdqu 0x20($inp), @XMM[15] # IV + pxor @XMM[9], @XMM[6] + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + movdqu @XMM[6], 0x20($out) + jmp .Lcbc_dec_done +.align 16 +.Lcbc_dec_two: + movdqa @XMM[15], 0x20(%rbp) # put aside IV + call _bsaes_decrypt8 + pxor 0x20(%rbp), @XMM[0] # ^= IV + movdqu 0x00($inp), @XMM[8] # re-load input + movdqu 0x10($inp), @XMM[15] # IV + pxor @XMM[8], @XMM[1] + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + jmp .Lcbc_dec_done +.align 16 +.Lcbc_dec_one: + lea ($inp), $arg1 + lea 0x20(%rbp), $arg2 # buffer output + lea ($key), $arg3 + call asm_AES_decrypt # doesn't touch %xmm + pxor 0x20(%rbp), @XMM[15] # ^= IV + movdqu @XMM[15], ($out) # write output + movdqa @XMM[0], @XMM[15] # IV + +.Lcbc_dec_done: + movdqu @XMM[15], (%rbx) # return IV + lea (%rsp), %rax + pxor %xmm0, %xmm0 +.Lcbc_dec_bzero: # wipe key schedule [if any] + movdqa %xmm0, 0x00(%rax) + movdqa %xmm0, 0x10(%rax) + lea 0x20(%rax), %rax + cmp %rax, %rbp + ja .Lcbc_dec_bzero + + lea (%rbp),%rsp # restore %rsp +___ +$code.=<<___ if ($win64); + movaps 0x40(%rbp), %xmm6 + movaps 0x50(%rbp), %xmm7 + movaps 0x60(%rbp), %xmm8 + movaps 0x70(%rbp), %xmm9 + movaps 0x80(%rbp), %xmm10 + movaps 0x90(%rbp), %xmm11 + movaps 0xa0(%rbp), %xmm12 + movaps 0xb0(%rbp), %xmm13 + movaps 0xc0(%rbp), %xmm14 + movaps 0xd0(%rbp), %xmm15 + lea 0xa0(%rbp), %rsp +___ +$code.=<<___; + mov 0x48(%rsp), %r15 + mov 0x50(%rsp), %r14 + mov 0x58(%rsp), %r13 + mov 0x60(%rsp), %r12 + mov 0x68(%rsp), %rbx + mov 0x70(%rsp), %rax + lea 0x78(%rsp), %rsp + mov %rax, %rbp +.Lcbc_dec_epilogue: + ret +.size bsaes_cbc_encrypt,.-bsaes_cbc_encrypt + +.globl bsaes_ctr32_encrypt_blocks +.type bsaes_ctr32_encrypt_blocks,\@abi-omnipotent +.align 16 +bsaes_ctr32_encrypt_blocks: + mov %rsp, %rax +.Lctr_enc_prologue: + push %rbp + push %rbx + push %r12 + push %r13 + push %r14 + push %r15 + lea -0x48(%rsp), %rsp +___ +$code.=<<___ if ($win64); + mov 0xa0(%rsp),$arg5 # pull ivp + lea -0xa0(%rsp), %rsp + movaps %xmm6, 0x40(%rsp) + movaps %xmm7, 0x50(%rsp) + movaps %xmm8, 0x60(%rsp) + movaps %xmm9, 0x70(%rsp) + movaps %xmm10, 0x80(%rsp) + movaps %xmm11, 0x90(%rsp) + movaps %xmm12, 0xa0(%rsp) + movaps %xmm13, 0xb0(%rsp) + movaps %xmm14, 0xc0(%rsp) + movaps %xmm15, 0xd0(%rsp) +.Lctr_enc_body: +___ +$code.=<<___; + mov %rsp, %rbp # backup %rsp + movdqu ($arg5), %xmm0 # load counter + mov 240($arg4), %eax # rounds + mov $arg1, $inp # backup arguments + mov $arg2, $out + mov $arg3, $len + mov $arg4, $key + movdqa %xmm0, 0x20(%rbp) # copy counter + cmp \$8, $arg3 + jb .Lctr_enc_short + + mov %eax, %ebx # rounds + shl \$7, %rax # 128 bytes per inner round key + sub \$`128-32`, %rax # size of bit-sliced key schedule + sub %rax, %rsp + + mov %rsp, %rax # pass key schedule + mov $key, %rcx # pass key + mov %ebx, %r10d # pass rounds + call _bsaes_key_convert + pxor %xmm6,%xmm7 # fix up last round key + movdqa %xmm7,(%rax) # save last round key + + movdqa (%rsp), @XMM[9] # load round0 key + lea .LADD1(%rip), %r11 + movdqa 0x20(%rbp), @XMM[0] # counter copy + movdqa -0x20(%r11), @XMM[8] # .LSWPUP + pshufb @XMM[8], @XMM[9] # byte swap upper part + pshufb @XMM[8], @XMM[0] + movdqa @XMM[9], (%rsp) # save adjusted round0 key + jmp .Lctr_enc_loop +.align 16 +.Lctr_enc_loop: + movdqa @XMM[0], 0x20(%rbp) # save counter + movdqa @XMM[0], @XMM[1] # prepare 8 counter values + movdqa @XMM[0], @XMM[2] + paddd 0x00(%r11), @XMM[1] # .LADD1 + movdqa @XMM[0], @XMM[3] + paddd 0x10(%r11), @XMM[2] # .LADD2 + movdqa @XMM[0], @XMM[4] + paddd 0x20(%r11), @XMM[3] # .LADD3 + movdqa @XMM[0], @XMM[5] + paddd 0x30(%r11), @XMM[4] # .LADD4 + movdqa @XMM[0], @XMM[6] + paddd 0x40(%r11), @XMM[5] # .LADD5 + movdqa @XMM[0], @XMM[7] + paddd 0x50(%r11), @XMM[6] # .LADD6 + paddd 0x60(%r11), @XMM[7] # .LADD7 + + # Borrow prologue from _bsaes_encrypt8 to use the opportunity + # to flip byte order in 32-bit counter + movdqa (%rsp), @XMM[9] # round 0 key + lea 0x10(%rsp), %rax # pass key schedule + movdqa -0x10(%r11), @XMM[8] # .LSWPUPM0SR + pxor @XMM[9], @XMM[0] # xor with round0 key + pxor @XMM[9], @XMM[1] + pshufb @XMM[8], @XMM[0] + pxor @XMM[9], @XMM[2] + pshufb @XMM[8], @XMM[1] + pxor @XMM[9], @XMM[3] + pshufb @XMM[8], @XMM[2] + pxor @XMM[9], @XMM[4] + pshufb @XMM[8], @XMM[3] + pxor @XMM[9], @XMM[5] + pshufb @XMM[8], @XMM[4] + pxor @XMM[9], @XMM[6] + pshufb @XMM[8], @XMM[5] + pxor @XMM[9], @XMM[7] + pshufb @XMM[8], @XMM[6] + lea .LBS0(%rip), %r11 # constants table + pshufb @XMM[8], @XMM[7] + mov %ebx,%r10d # pass rounds + + call _bsaes_encrypt8_bitslice + + sub \$8,$len + jc .Lctr_enc_loop_done + + movdqu 0x00($inp), @XMM[8] # load input + movdqu 0x10($inp), @XMM[9] + movdqu 0x20($inp), @XMM[10] + movdqu 0x30($inp), @XMM[11] + movdqu 0x40($inp), @XMM[12] + movdqu 0x50($inp), @XMM[13] + movdqu 0x60($inp), @XMM[14] + movdqu 0x70($inp), @XMM[15] + lea 0x80($inp),$inp + pxor @XMM[0], @XMM[8] + movdqa 0x20(%rbp), @XMM[0] # load counter + pxor @XMM[9], @XMM[1] + movdqu @XMM[8], 0x00($out) # write output + pxor @XMM[10], @XMM[4] + movdqu @XMM[1], 0x10($out) + pxor @XMM[11], @XMM[6] + movdqu @XMM[4], 0x20($out) + pxor @XMM[12], @XMM[3] + movdqu @XMM[6], 0x30($out) + pxor @XMM[13], @XMM[7] + movdqu @XMM[3], 0x40($out) + pxor @XMM[14], @XMM[2] + movdqu @XMM[7], 0x50($out) + pxor @XMM[15], @XMM[5] + movdqu @XMM[2], 0x60($out) + lea .LADD1(%rip), %r11 + movdqu @XMM[5], 0x70($out) + lea 0x80($out), $out + paddd 0x70(%r11), @XMM[0] # .LADD8 + jnz .Lctr_enc_loop + + jmp .Lctr_enc_done +.align 16 +.Lctr_enc_loop_done: + movdqu 0x00($inp), @XMM[8] # load input + pxor @XMM[8], @XMM[0] + movdqu @XMM[0], 0x00($out) # write output + cmp \$2,$len + jb .Lctr_enc_done + movdqu 0x10($inp), @XMM[9] + pxor @XMM[9], @XMM[1] + movdqu @XMM[1], 0x10($out) + je .Lctr_enc_done + movdqu 0x20($inp), @XMM[10] + pxor @XMM[10], @XMM[4] + movdqu @XMM[4], 0x20($out) + cmp \$4,$len + jb .Lctr_enc_done + movdqu 0x30($inp), @XMM[11] + pxor @XMM[11], @XMM[6] + movdqu @XMM[6], 0x30($out) + je .Lctr_enc_done + movdqu 0x40($inp), @XMM[12] + pxor @XMM[12], @XMM[3] + movdqu @XMM[3], 0x40($out) + cmp \$6,$len + jb .Lctr_enc_done + movdqu 0x50($inp), @XMM[13] + pxor @XMM[13], @XMM[7] + movdqu @XMM[7], 0x50($out) + je .Lctr_enc_done + movdqu 0x60($inp), @XMM[14] + pxor @XMM[14], @XMM[2] + movdqu @XMM[2], 0x60($out) + jmp .Lctr_enc_done + +.align 16 +.Lctr_enc_short: + lea 0x20(%rbp), $arg1 + lea 0x30(%rbp), $arg2 + lea ($key), $arg3 + call asm_AES_encrypt + movdqu ($inp), @XMM[1] + lea 16($inp), $inp + mov 0x2c(%rbp), %eax # load 32-bit counter + bswap %eax + pxor 0x30(%rbp), @XMM[1] + inc %eax # increment + movdqu @XMM[1], ($out) + bswap %eax + lea 16($out), $out + mov %eax, 0x2c(%rsp) # save 32-bit counter + dec $len + jnz .Lctr_enc_short + +.Lctr_enc_done: + lea (%rsp), %rax + pxor %xmm0, %xmm0 +.Lctr_enc_bzero: # wipe key schedule [if any] + movdqa %xmm0, 0x00(%rax) + movdqa %xmm0, 0x10(%rax) + lea 0x20(%rax), %rax + cmp %rax, %rbp + ja .Lctr_enc_bzero + + lea (%rbp),%rsp # restore %rsp +___ +$code.=<<___ if ($win64); + movaps 0x40(%rbp), %xmm6 + movaps 0x50(%rbp), %xmm7 + movaps 0x60(%rbp), %xmm8 + movaps 0x70(%rbp), %xmm9 + movaps 0x80(%rbp), %xmm10 + movaps 0x90(%rbp), %xmm11 + movaps 0xa0(%rbp), %xmm12 + movaps 0xb0(%rbp), %xmm13 + movaps 0xc0(%rbp), %xmm14 + movaps 0xd0(%rbp), %xmm15 + lea 0xa0(%rbp), %rsp +___ +$code.=<<___; + mov 0x48(%rsp), %r15 + mov 0x50(%rsp), %r14 + mov 0x58(%rsp), %r13 + mov 0x60(%rsp), %r12 + mov 0x68(%rsp), %rbx + mov 0x70(%rsp), %rax + lea 0x78(%rsp), %rsp + mov %rax, %rbp +.Lctr_enc_epilogue: + ret +.size bsaes_ctr32_encrypt_blocks,.-bsaes_ctr32_encrypt_blocks +___ +###################################################################### +# void bsaes_xts_[en|de]crypt(const char *inp,char *out,size_t len, +# const AES_KEY *key1, const AES_KEY *key2, +# const unsigned char iv[16]); +# +my ($twmask,$twres,$twtmp)=@XMM[13..15]; +$code.=<<___; +.globl bsaes_xts_encrypt +.type bsaes_xts_encrypt,\@abi-omnipotent +.align 16 +bsaes_xts_encrypt: + mov %rsp, %rax +.Lxts_enc_prologue: + push %rbp + push %rbx + push %r12 + push %r13 + push %r14 + push %r15 + lea -0x48(%rsp), %rsp +___ +$code.=<<___ if ($win64); + mov 0xa0(%rsp),$arg5 # pull key2 + mov 0xa8(%rsp),$arg6 # pull ivp + lea -0xa0(%rsp), %rsp + movaps %xmm6, 0x40(%rsp) + movaps %xmm7, 0x50(%rsp) + movaps %xmm8, 0x60(%rsp) + movaps %xmm9, 0x70(%rsp) + movaps %xmm10, 0x80(%rsp) + movaps %xmm11, 0x90(%rsp) + movaps %xmm12, 0xa0(%rsp) + movaps %xmm13, 0xb0(%rsp) + movaps %xmm14, 0xc0(%rsp) + movaps %xmm15, 0xd0(%rsp) +.Lxts_enc_body: +___ +$code.=<<___; + mov %rsp, %rbp # backup %rsp + mov $arg1, $inp # backup arguments + mov $arg2, $out + mov $arg3, $len + mov $arg4, $key + + lea ($arg6), $arg1 + lea 0x20(%rbp), $arg2 + lea ($arg5), $arg3 + call asm_AES_encrypt # generate initial tweak + + mov 240($key), %eax # rounds + mov $len, %rbx # backup $len + + mov %eax, %edx # rounds + shl \$7, %rax # 128 bytes per inner round key + sub \$`128-32`, %rax # size of bit-sliced key schedule + sub %rax, %rsp + + mov %rsp, %rax # pass key schedule + mov $key, %rcx # pass key + mov %edx, %r10d # pass rounds + call _bsaes_key_convert + pxor %xmm6, %xmm7 # fix up last round key + movdqa %xmm7, (%rax) # save last round key + + and \$-16, $len + sub \$0x80, %rsp # place for tweak[8] + movdqa 0x20(%rbp), @XMM[7] # initial tweak + + pxor $twtmp, $twtmp + movdqa .Lxts_magic(%rip), $twmask + pcmpgtd @XMM[7], $twtmp # broadcast upper bits + + sub \$0x80, $len + jc .Lxts_enc_short + jmp .Lxts_enc_loop + +.align 16 +.Lxts_enc_loop: +___ + for ($i=0;$i<7;$i++) { + $code.=<<___; + pshufd \$0x13, $twtmp, $twres + pxor $twtmp, $twtmp + movdqa @XMM[7], @XMM[$i] + movdqa @XMM[7], `0x10*$i`(%rsp)# save tweak[$i] + paddq @XMM[7], @XMM[7] # psllq 1,$tweak + pand $twmask, $twres # isolate carry and residue + pcmpgtd @XMM[7], $twtmp # broadcast upper bits + pxor $twres, @XMM[7] +___ + $code.=<<___ if ($i>=1); + movdqu `0x10*($i-1)`($inp), @XMM[8+$i-1] +___ + $code.=<<___ if ($i>=2); + pxor @XMM[8+$i-2], @XMM[$i-2]# input[] ^ tweak[] +___ + } +$code.=<<___; + movdqu 0x60($inp), @XMM[8+6] + pxor @XMM[8+5], @XMM[5] + movdqu 0x70($inp), @XMM[8+7] + lea 0x80($inp), $inp + movdqa @XMM[7], 0x70(%rsp) + pxor @XMM[8+6], @XMM[6] + lea 0x80(%rsp), %rax # pass key schedule + pxor @XMM[8+7], @XMM[7] + mov %edx, %r10d # pass rounds + + call _bsaes_encrypt8 + + pxor 0x00(%rsp), @XMM[0] # ^= tweak[] + pxor 0x10(%rsp), @XMM[1] + movdqu @XMM[0], 0x00($out) # write output + pxor 0x20(%rsp), @XMM[4] + movdqu @XMM[1], 0x10($out) + pxor 0x30(%rsp), @XMM[6] + movdqu @XMM[4], 0x20($out) + pxor 0x40(%rsp), @XMM[3] + movdqu @XMM[6], 0x30($out) + pxor 0x50(%rsp), @XMM[7] + movdqu @XMM[3], 0x40($out) + pxor 0x60(%rsp), @XMM[2] + movdqu @XMM[7], 0x50($out) + pxor 0x70(%rsp), @XMM[5] + movdqu @XMM[2], 0x60($out) + movdqu @XMM[5], 0x70($out) + lea 0x80($out), $out + + movdqa 0x70(%rsp), @XMM[7] # prepare next iteration tweak + pxor $twtmp, $twtmp + movdqa .Lxts_magic(%rip), $twmask + pcmpgtd @XMM[7], $twtmp + pshufd \$0x13, $twtmp, $twres + pxor $twtmp, $twtmp + paddq @XMM[7], @XMM[7] # psllq 1,$tweak + pand $twmask, $twres # isolate carry and residue + pcmpgtd @XMM[7], $twtmp # broadcast upper bits + pxor $twres, @XMM[7] + + sub \$0x80,$len + jnc .Lxts_enc_loop + +.Lxts_enc_short: + add \$0x80, $len + jz .Lxts_enc_done +___ + for ($i=0;$i<7;$i++) { + $code.=<<___; + pshufd \$0x13, $twtmp, $twres + pxor $twtmp, $twtmp + movdqa @XMM[7], @XMM[$i] + movdqa @XMM[7], `0x10*$i`(%rsp)# save tweak[$i] + paddq @XMM[7], @XMM[7] # psllq 1,$tweak + pand $twmask, $twres # isolate carry and residue + pcmpgtd @XMM[7], $twtmp # broadcast upper bits + pxor $twres, @XMM[7] +___ + $code.=<<___ if ($i>=1); + movdqu `0x10*($i-1)`($inp), @XMM[8+$i-1] + cmp \$`0x10*$i`,$len + je .Lxts_enc_$i +___ + $code.=<<___ if ($i>=2); + pxor @XMM[8+$i-2], @XMM[$i-2]# input[] ^ tweak[] +___ + } +$code.=<<___; + movdqu 0x60($inp), @XMM[8+6] + pxor @XMM[8+5], @XMM[5] + movdqa @XMM[7], 0x70(%rsp) + lea 0x70($inp), $inp + pxor @XMM[8+6], @XMM[6] + lea 0x80(%rsp), %rax # pass key schedule + mov %edx, %r10d # pass rounds + + call _bsaes_encrypt8 + + pxor 0x00(%rsp), @XMM[0] # ^= tweak[] + pxor 0x10(%rsp), @XMM[1] + movdqu @XMM[0], 0x00($out) # write output + pxor 0x20(%rsp), @XMM[4] + movdqu @XMM[1], 0x10($out) + pxor 0x30(%rsp), @XMM[6] + movdqu @XMM[4], 0x20($out) + pxor 0x40(%rsp), @XMM[3] + movdqu @XMM[6], 0x30($out) + pxor 0x50(%rsp), @XMM[7] + movdqu @XMM[3], 0x40($out) + pxor 0x60(%rsp), @XMM[2] + movdqu @XMM[7], 0x50($out) + movdqu @XMM[2], 0x60($out) + lea 0x70($out), $out + + movdqa 0x70(%rsp), @XMM[7] # next iteration tweak + jmp .Lxts_enc_done +.align 16 +.Lxts_enc_6: + pxor @XMM[8+4], @XMM[4] + lea 0x60($inp), $inp + pxor @XMM[8+5], @XMM[5] + lea 0x80(%rsp), %rax # pass key schedule + mov %edx, %r10d # pass rounds + + call _bsaes_encrypt8 + + pxor 0x00(%rsp), @XMM[0] # ^= tweak[] + pxor 0x10(%rsp), @XMM[1] + movdqu @XMM[0], 0x00($out) # write output + pxor 0x20(%rsp), @XMM[4] + movdqu @XMM[1], 0x10($out) + pxor 0x30(%rsp), @XMM[6] + movdqu @XMM[4], 0x20($out) + pxor 0x40(%rsp), @XMM[3] + movdqu @XMM[6], 0x30($out) + pxor 0x50(%rsp), @XMM[7] + movdqu @XMM[3], 0x40($out) + movdqu @XMM[7], 0x50($out) + lea 0x60($out), $out + + movdqa 0x60(%rsp), @XMM[7] # next iteration tweak + jmp .Lxts_enc_done +.align 16 +.Lxts_enc_5: + pxor @XMM[8+3], @XMM[3] + lea 0x50($inp), $inp + pxor @XMM[8+4], @XMM[4] + lea 0x80(%rsp), %rax # pass key schedule + mov %edx, %r10d # pass rounds + + call _bsaes_encrypt8 + + pxor 0x00(%rsp), @XMM[0] # ^= tweak[] + pxor 0x10(%rsp), @XMM[1] + movdqu @XMM[0], 0x00($out) # write output + pxor 0x20(%rsp), @XMM[4] + movdqu @XMM[1], 0x10($out) + pxor 0x30(%rsp), @XMM[6] + movdqu @XMM[4], 0x20($out) + pxor 0x40(%rsp), @XMM[3] + movdqu @XMM[6], 0x30($out) + movdqu @XMM[3], 0x40($out) + lea 0x50($out), $out + + movdqa 0x50(%rsp), @XMM[7] # next iteration tweak + jmp .Lxts_enc_done +.align 16 +.Lxts_enc_4: + pxor @XMM[8+2], @XMM[2] + lea 0x40($inp), $inp + pxor @XMM[8+3], @XMM[3] + lea 0x80(%rsp), %rax # pass key schedule + mov %edx, %r10d # pass rounds + + call _bsaes_encrypt8 + + pxor 0x00(%rsp), @XMM[0] # ^= tweak[] + pxor 0x10(%rsp), @XMM[1] + movdqu @XMM[0], 0x00($out) # write output + pxor 0x20(%rsp), @XMM[4] + movdqu @XMM[1], 0x10($out) + pxor 0x30(%rsp), @XMM[6] + movdqu @XMM[4], 0x20($out) + movdqu @XMM[6], 0x30($out) + lea 0x40($out), $out + + movdqa 0x40(%rsp), @XMM[7] # next iteration tweak + jmp .Lxts_enc_done +.align 16 +.Lxts_enc_3: + pxor @XMM[8+1], @XMM[1] + lea 0x30($inp), $inp + pxor @XMM[8+2], @XMM[2] + lea 0x80(%rsp), %rax # pass key schedule + mov %edx, %r10d # pass rounds + + call _bsaes_encrypt8 + + pxor 0x00(%rsp), @XMM[0] # ^= tweak[] + pxor 0x10(%rsp), @XMM[1] + movdqu @XMM[0], 0x00($out) # write output + pxor 0x20(%rsp), @XMM[4] + movdqu @XMM[1], 0x10($out) + movdqu @XMM[4], 0x20($out) + lea 0x30($out), $out + + movdqa 0x30(%rsp), @XMM[7] # next iteration tweak + jmp .Lxts_enc_done +.align 16 +.Lxts_enc_2: + pxor @XMM[8+0], @XMM[0] + lea 0x20($inp), $inp + pxor @XMM[8+1], @XMM[1] + lea 0x80(%rsp), %rax # pass key schedule + mov %edx, %r10d # pass rounds + + call _bsaes_encrypt8 + + pxor 0x00(%rsp), @XMM[0] # ^= tweak[] + pxor 0x10(%rsp), @XMM[1] + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + lea 0x20($out), $out + + movdqa 0x20(%rsp), @XMM[7] # next iteration tweak + jmp .Lxts_enc_done +.align 16 +.Lxts_enc_1: + pxor @XMM[0], @XMM[8] + lea 0x10($inp), $inp + movdqa @XMM[8], 0x20(%rbp) + lea 0x20(%rbp), $arg1 + lea 0x20(%rbp), $arg2 + lea ($key), $arg3 + call asm_AES_encrypt # doesn't touch %xmm + pxor 0x20(%rbp), @XMM[0] # ^= tweak[] + #pxor @XMM[8], @XMM[0] + #lea 0x80(%rsp), %rax # pass key schedule + #mov %edx, %r10d # pass rounds + #call _bsaes_encrypt8 + #pxor 0x00(%rsp), @XMM[0] # ^= tweak[] + movdqu @XMM[0], 0x00($out) # write output + lea 0x10($out), $out + + movdqa 0x10(%rsp), @XMM[7] # next iteration tweak + +.Lxts_enc_done: + and \$15, %ebx + jz .Lxts_enc_ret + mov $out, %rdx + +.Lxts_enc_steal: + movzb ($inp), %eax + movzb -16(%rdx), %ecx + lea 1($inp), $inp + mov %al, -16(%rdx) + mov %cl, 0(%rdx) + lea 1(%rdx), %rdx + sub \$1,%ebx + jnz .Lxts_enc_steal + + movdqu -16($out), @XMM[0] + lea 0x20(%rbp), $arg1 + pxor @XMM[7], @XMM[0] + lea 0x20(%rbp), $arg2 + movdqa @XMM[0], 0x20(%rbp) + lea ($key), $arg3 + call asm_AES_encrypt # doesn't touch %xmm + pxor 0x20(%rbp), @XMM[7] + movdqu @XMM[7], -16($out) + +.Lxts_enc_ret: + lea (%rsp), %rax + pxor %xmm0, %xmm0 +.Lxts_enc_bzero: # wipe key schedule [if any] + movdqa %xmm0, 0x00(%rax) + movdqa %xmm0, 0x10(%rax) + lea 0x20(%rax), %rax + cmp %rax, %rbp + ja .Lxts_enc_bzero + + lea (%rbp),%rsp # restore %rsp +___ +$code.=<<___ if ($win64); + movaps 0x40(%rbp), %xmm6 + movaps 0x50(%rbp), %xmm7 + movaps 0x60(%rbp), %xmm8 + movaps 0x70(%rbp), %xmm9 + movaps 0x80(%rbp), %xmm10 + movaps 0x90(%rbp), %xmm11 + movaps 0xa0(%rbp), %xmm12 + movaps 0xb0(%rbp), %xmm13 + movaps 0xc0(%rbp), %xmm14 + movaps 0xd0(%rbp), %xmm15 + lea 0xa0(%rbp), %rsp +___ +$code.=<<___; + mov 0x48(%rsp), %r15 + mov 0x50(%rsp), %r14 + mov 0x58(%rsp), %r13 + mov 0x60(%rsp), %r12 + mov 0x68(%rsp), %rbx + mov 0x70(%rsp), %rax + lea 0x78(%rsp), %rsp + mov %rax, %rbp +.Lxts_enc_epilogue: + ret +.size bsaes_xts_encrypt,.-bsaes_xts_encrypt + +.globl bsaes_xts_decrypt +.type bsaes_xts_decrypt,\@abi-omnipotent +.align 16 +bsaes_xts_decrypt: + mov %rsp, %rax +.Lxts_dec_prologue: + push %rbp + push %rbx + push %r12 + push %r13 + push %r14 + push %r15 + lea -0x48(%rsp), %rsp +___ +$code.=<<___ if ($win64); + mov 0xa0(%rsp),$arg5 # pull key2 + mov 0xa8(%rsp),$arg6 # pull ivp + lea -0xa0(%rsp), %rsp + movaps %xmm6, 0x40(%rsp) + movaps %xmm7, 0x50(%rsp) + movaps %xmm8, 0x60(%rsp) + movaps %xmm9, 0x70(%rsp) + movaps %xmm10, 0x80(%rsp) + movaps %xmm11, 0x90(%rsp) + movaps %xmm12, 0xa0(%rsp) + movaps %xmm13, 0xb0(%rsp) + movaps %xmm14, 0xc0(%rsp) + movaps %xmm15, 0xd0(%rsp) +.Lxts_dec_body: +___ +$code.=<<___; + mov %rsp, %rbp # backup %rsp + mov $arg1, $inp # backup arguments + mov $arg2, $out + mov $arg3, $len + mov $arg4, $key + + lea ($arg6), $arg1 + lea 0x20(%rbp), $arg2 + lea ($arg5), $arg3 + call asm_AES_encrypt # generate initial tweak + + mov 240($key), %eax # rounds + mov $len, %rbx # backup $len + + mov %eax, %edx # rounds + shl \$7, %rax # 128 bytes per inner round key + sub \$`128-32`, %rax # size of bit-sliced key schedule + sub %rax, %rsp + + mov %rsp, %rax # pass key schedule + mov $key, %rcx # pass key + mov %edx, %r10d # pass rounds + call _bsaes_key_convert + pxor (%rsp), %xmm7 # fix up round 0 key + movdqa %xmm6, (%rax) # save last round key + movdqa %xmm7, (%rsp) + + xor %eax, %eax # if ($len%16) len-=16; + and \$-16, $len + test \$15, %ebx + setnz %al + shl \$4, %rax + sub %rax, $len + + sub \$0x80, %rsp # place for tweak[8] + movdqa 0x20(%rbp), @XMM[7] # initial tweak + + pxor $twtmp, $twtmp + movdqa .Lxts_magic(%rip), $twmask + pcmpgtd @XMM[7], $twtmp # broadcast upper bits + + sub \$0x80, $len + jc .Lxts_dec_short + jmp .Lxts_dec_loop + +.align 16 +.Lxts_dec_loop: +___ + for ($i=0;$i<7;$i++) { + $code.=<<___; + pshufd \$0x13, $twtmp, $twres + pxor $twtmp, $twtmp + movdqa @XMM[7], @XMM[$i] + movdqa @XMM[7], `0x10*$i`(%rsp)# save tweak[$i] + paddq @XMM[7], @XMM[7] # psllq 1,$tweak + pand $twmask, $twres # isolate carry and residue + pcmpgtd @XMM[7], $twtmp # broadcast upper bits + pxor $twres, @XMM[7] +___ + $code.=<<___ if ($i>=1); + movdqu `0x10*($i-1)`($inp), @XMM[8+$i-1] +___ + $code.=<<___ if ($i>=2); + pxor @XMM[8+$i-2], @XMM[$i-2]# input[] ^ tweak[] +___ + } +$code.=<<___; + movdqu 0x60($inp), @XMM[8+6] + pxor @XMM[8+5], @XMM[5] + movdqu 0x70($inp), @XMM[8+7] + lea 0x80($inp), $inp + movdqa @XMM[7], 0x70(%rsp) + pxor @XMM[8+6], @XMM[6] + lea 0x80(%rsp), %rax # pass key schedule + pxor @XMM[8+7], @XMM[7] + mov %edx, %r10d # pass rounds + + call _bsaes_decrypt8 + + pxor 0x00(%rsp), @XMM[0] # ^= tweak[] + pxor 0x10(%rsp), @XMM[1] + movdqu @XMM[0], 0x00($out) # write output + pxor 0x20(%rsp), @XMM[6] + movdqu @XMM[1], 0x10($out) + pxor 0x30(%rsp), @XMM[4] + movdqu @XMM[6], 0x20($out) + pxor 0x40(%rsp), @XMM[2] + movdqu @XMM[4], 0x30($out) + pxor 0x50(%rsp), @XMM[7] + movdqu @XMM[2], 0x40($out) + pxor 0x60(%rsp), @XMM[3] + movdqu @XMM[7], 0x50($out) + pxor 0x70(%rsp), @XMM[5] + movdqu @XMM[3], 0x60($out) + movdqu @XMM[5], 0x70($out) + lea 0x80($out), $out + + movdqa 0x70(%rsp), @XMM[7] # prepare next iteration tweak + pxor $twtmp, $twtmp + movdqa .Lxts_magic(%rip), $twmask + pcmpgtd @XMM[7], $twtmp + pshufd \$0x13, $twtmp, $twres + pxor $twtmp, $twtmp + paddq @XMM[7], @XMM[7] # psllq 1,$tweak + pand $twmask, $twres # isolate carry and residue + pcmpgtd @XMM[7], $twtmp # broadcast upper bits + pxor $twres, @XMM[7] + + sub \$0x80,$len + jnc .Lxts_dec_loop + +.Lxts_dec_short: + add \$0x80, $len + jz .Lxts_dec_done +___ + for ($i=0;$i<7;$i++) { + $code.=<<___; + pshufd \$0x13, $twtmp, $twres + pxor $twtmp, $twtmp + movdqa @XMM[7], @XMM[$i] + movdqa @XMM[7], `0x10*$i`(%rsp)# save tweak[$i] + paddq @XMM[7], @XMM[7] # psllq 1,$tweak + pand $twmask, $twres # isolate carry and residue + pcmpgtd @XMM[7], $twtmp # broadcast upper bits + pxor $twres, @XMM[7] +___ + $code.=<<___ if ($i>=1); + movdqu `0x10*($i-1)`($inp), @XMM[8+$i-1] + cmp \$`0x10*$i`,$len + je .Lxts_dec_$i +___ + $code.=<<___ if ($i>=2); + pxor @XMM[8+$i-2], @XMM[$i-2]# input[] ^ tweak[] +___ + } +$code.=<<___; + movdqu 0x60($inp), @XMM[8+6] + pxor @XMM[8+5], @XMM[5] + movdqa @XMM[7], 0x70(%rsp) + lea 0x70($inp), $inp + pxor @XMM[8+6], @XMM[6] + lea 0x80(%rsp), %rax # pass key schedule + mov %edx, %r10d # pass rounds + + call _bsaes_decrypt8 + + pxor 0x00(%rsp), @XMM[0] # ^= tweak[] + pxor 0x10(%rsp), @XMM[1] + movdqu @XMM[0], 0x00($out) # write output + pxor 0x20(%rsp), @XMM[6] + movdqu @XMM[1], 0x10($out) + pxor 0x30(%rsp), @XMM[4] + movdqu @XMM[6], 0x20($out) + pxor 0x40(%rsp), @XMM[2] + movdqu @XMM[4], 0x30($out) + pxor 0x50(%rsp), @XMM[7] + movdqu @XMM[2], 0x40($out) + pxor 0x60(%rsp), @XMM[3] + movdqu @XMM[7], 0x50($out) + movdqu @XMM[3], 0x60($out) + lea 0x70($out), $out + + movdqa 0x70(%rsp), @XMM[7] # next iteration tweak + jmp .Lxts_dec_done +.align 16 +.Lxts_dec_6: + pxor @XMM[8+4], @XMM[4] + lea 0x60($inp), $inp + pxor @XMM[8+5], @XMM[5] + lea 0x80(%rsp), %rax # pass key schedule + mov %edx, %r10d # pass rounds + + call _bsaes_decrypt8 + + pxor 0x00(%rsp), @XMM[0] # ^= tweak[] + pxor 0x10(%rsp), @XMM[1] + movdqu @XMM[0], 0x00($out) # write output + pxor 0x20(%rsp), @XMM[6] + movdqu @XMM[1], 0x10($out) + pxor 0x30(%rsp), @XMM[4] + movdqu @XMM[6], 0x20($out) + pxor 0x40(%rsp), @XMM[2] + movdqu @XMM[4], 0x30($out) + pxor 0x50(%rsp), @XMM[7] + movdqu @XMM[2], 0x40($out) + movdqu @XMM[7], 0x50($out) + lea 0x60($out), $out + + movdqa 0x60(%rsp), @XMM[7] # next iteration tweak + jmp .Lxts_dec_done +.align 16 +.Lxts_dec_5: + pxor @XMM[8+3], @XMM[3] + lea 0x50($inp), $inp + pxor @XMM[8+4], @XMM[4] + lea 0x80(%rsp), %rax # pass key schedule + mov %edx, %r10d # pass rounds + + call _bsaes_decrypt8 + + pxor 0x00(%rsp), @XMM[0] # ^= tweak[] + pxor 0x10(%rsp), @XMM[1] + movdqu @XMM[0], 0x00($out) # write output + pxor 0x20(%rsp), @XMM[6] + movdqu @XMM[1], 0x10($out) + pxor 0x30(%rsp), @XMM[4] + movdqu @XMM[6], 0x20($out) + pxor 0x40(%rsp), @XMM[2] + movdqu @XMM[4], 0x30($out) + movdqu @XMM[2], 0x40($out) + lea 0x50($out), $out + + movdqa 0x50(%rsp), @XMM[7] # next iteration tweak + jmp .Lxts_dec_done +.align 16 +.Lxts_dec_4: + pxor @XMM[8+2], @XMM[2] + lea 0x40($inp), $inp + pxor @XMM[8+3], @XMM[3] + lea 0x80(%rsp), %rax # pass key schedule + mov %edx, %r10d # pass rounds + + call _bsaes_decrypt8 + + pxor 0x00(%rsp), @XMM[0] # ^= tweak[] + pxor 0x10(%rsp), @XMM[1] + movdqu @XMM[0], 0x00($out) # write output + pxor 0x20(%rsp), @XMM[6] + movdqu @XMM[1], 0x10($out) + pxor 0x30(%rsp), @XMM[4] + movdqu @XMM[6], 0x20($out) + movdqu @XMM[4], 0x30($out) + lea 0x40($out), $out + + movdqa 0x40(%rsp), @XMM[7] # next iteration tweak + jmp .Lxts_dec_done +.align 16 +.Lxts_dec_3: + pxor @XMM[8+1], @XMM[1] + lea 0x30($inp), $inp + pxor @XMM[8+2], @XMM[2] + lea 0x80(%rsp), %rax # pass key schedule + mov %edx, %r10d # pass rounds + + call _bsaes_decrypt8 + + pxor 0x00(%rsp), @XMM[0] # ^= tweak[] + pxor 0x10(%rsp), @XMM[1] + movdqu @XMM[0], 0x00($out) # write output + pxor 0x20(%rsp), @XMM[6] + movdqu @XMM[1], 0x10($out) + movdqu @XMM[6], 0x20($out) + lea 0x30($out), $out + + movdqa 0x30(%rsp), @XMM[7] # next iteration tweak + jmp .Lxts_dec_done +.align 16 +.Lxts_dec_2: + pxor @XMM[8+0], @XMM[0] + lea 0x20($inp), $inp + pxor @XMM[8+1], @XMM[1] + lea 0x80(%rsp), %rax # pass key schedule + mov %edx, %r10d # pass rounds + + call _bsaes_decrypt8 + + pxor 0x00(%rsp), @XMM[0] # ^= tweak[] + pxor 0x10(%rsp), @XMM[1] + movdqu @XMM[0], 0x00($out) # write output + movdqu @XMM[1], 0x10($out) + lea 0x20($out), $out + + movdqa 0x20(%rsp), @XMM[7] # next iteration tweak + jmp .Lxts_dec_done +.align 16 +.Lxts_dec_1: + pxor @XMM[0], @XMM[8] + lea 0x10($inp), $inp + movdqa @XMM[8], 0x20(%rbp) + lea 0x20(%rbp), $arg1 + lea 0x20(%rbp), $arg2 + lea ($key), $arg3 + call asm_AES_decrypt # doesn't touch %xmm + pxor 0x20(%rbp), @XMM[0] # ^= tweak[] + #pxor @XMM[8], @XMM[0] + #lea 0x80(%rsp), %rax # pass key schedule + #mov %edx, %r10d # pass rounds + #call _bsaes_decrypt8 + #pxor 0x00(%rsp), @XMM[0] # ^= tweak[] + movdqu @XMM[0], 0x00($out) # write output + lea 0x10($out), $out + + movdqa 0x10(%rsp), @XMM[7] # next iteration tweak + +.Lxts_dec_done: + and \$15, %ebx + jz .Lxts_dec_ret + + pxor $twtmp, $twtmp + movdqa .Lxts_magic(%rip), $twmask + pcmpgtd @XMM[7], $twtmp + pshufd \$0x13, $twtmp, $twres + movdqa @XMM[7], @XMM[6] + paddq @XMM[7], @XMM[7] # psllq 1,$tweak + pand $twmask, $twres # isolate carry and residue + movdqu ($inp), @XMM[0] + pxor $twres, @XMM[7] + + lea 0x20(%rbp), $arg1 + pxor @XMM[7], @XMM[0] + lea 0x20(%rbp), $arg2 + movdqa @XMM[0], 0x20(%rbp) + lea ($key), $arg3 + call asm_AES_decrypt # doesn't touch %xmm + pxor 0x20(%rbp), @XMM[7] + mov $out, %rdx + movdqu @XMM[7], ($out) + +.Lxts_dec_steal: + movzb 16($inp), %eax + movzb (%rdx), %ecx + lea 1($inp), $inp + mov %al, (%rdx) + mov %cl, 16(%rdx) + lea 1(%rdx), %rdx + sub \$1,%ebx + jnz .Lxts_dec_steal + + movdqu ($out), @XMM[0] + lea 0x20(%rbp), $arg1 + pxor @XMM[6], @XMM[0] + lea 0x20(%rbp), $arg2 + movdqa @XMM[0], 0x20(%rbp) + lea ($key), $arg3 + call asm_AES_decrypt # doesn't touch %xmm + pxor 0x20(%rbp), @XMM[6] + movdqu @XMM[6], ($out) + +.Lxts_dec_ret: + lea (%rsp), %rax + pxor %xmm0, %xmm0 +.Lxts_dec_bzero: # wipe key schedule [if any] + movdqa %xmm0, 0x00(%rax) + movdqa %xmm0, 0x10(%rax) + lea 0x20(%rax), %rax + cmp %rax, %rbp + ja .Lxts_dec_bzero + + lea (%rbp),%rsp # restore %rsp +___ +$code.=<<___ if ($win64); + movaps 0x40(%rbp), %xmm6 + movaps 0x50(%rbp), %xmm7 + movaps 0x60(%rbp), %xmm8 + movaps 0x70(%rbp), %xmm9 + movaps 0x80(%rbp), %xmm10 + movaps 0x90(%rbp), %xmm11 + movaps 0xa0(%rbp), %xmm12 + movaps 0xb0(%rbp), %xmm13 + movaps 0xc0(%rbp), %xmm14 + movaps 0xd0(%rbp), %xmm15 + lea 0xa0(%rbp), %rsp +___ +$code.=<<___; + mov 0x48(%rsp), %r15 + mov 0x50(%rsp), %r14 + mov 0x58(%rsp), %r13 + mov 0x60(%rsp), %r12 + mov 0x68(%rsp), %rbx + mov 0x70(%rsp), %rax + lea 0x78(%rsp), %rsp + mov %rax, %rbp +.Lxts_dec_epilogue: + ret +.size bsaes_xts_decrypt,.-bsaes_xts_decrypt +___ +} +$code.=<<___; +.type _bsaes_const,\@object +.align 64 +_bsaes_const: +.LM0ISR: # InvShiftRows constants + .quad 0x0a0e0206070b0f03, 0x0004080c0d010509 +.LISRM0: + .quad 0x01040b0e0205080f, 0x0306090c00070a0d +.LISR: + .quad 0x0504070602010003, 0x0f0e0d0c080b0a09 +.LBS0: # bit-slice constants + .quad 0x5555555555555555, 0x5555555555555555 +.LBS1: + .quad 0x3333333333333333, 0x3333333333333333 +.LBS2: + .quad 0x0f0f0f0f0f0f0f0f, 0x0f0f0f0f0f0f0f0f +.LSR: # shiftrows constants + .quad 0x0504070600030201, 0x0f0e0d0c0a09080b +.LSRM0: + .quad 0x0304090e00050a0f, 0x01060b0c0207080d +.LM0: + .quad 0x02060a0e03070b0f, 0x0004080c0105090d +.LM0SR: + .quad 0x0a0e02060f03070b, 0x0004080c05090d01 +.LNOT: # magic constants + .quad 0xffffffffffffffff, 0xffffffffffffffff +.L63: + .quad 0x6363636363636363, 0x6363636363636363 +.LSWPUP: # byte-swap upper dword + .quad 0x0706050403020100, 0x0c0d0e0f0b0a0908 +.LSWPUPM0SR: + .quad 0x0a0d02060c03070b, 0x0004080f05090e01 +.LADD1: # counter increment constants + .quad 0x0000000000000000, 0x0000000100000000 +.LADD2: + .quad 0x0000000000000000, 0x0000000200000000 +.LADD3: + .quad 0x0000000000000000, 0x0000000300000000 +.LADD4: + .quad 0x0000000000000000, 0x0000000400000000 +.LADD5: + .quad 0x0000000000000000, 0x0000000500000000 +.LADD6: + .quad 0x0000000000000000, 0x0000000600000000 +.LADD7: + .quad 0x0000000000000000, 0x0000000700000000 +.LADD8: + .quad 0x0000000000000000, 0x0000000800000000 +.Lxts_magic: + .long 0x87,0,1,0 +.asciz "Bit-sliced AES for x86_64/SSSE3, Emilia Käsper, Peter Schwabe, Andy Polyakov" +.align 64 +.size _bsaes_const,.-_bsaes_const +___ + +# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame, +# CONTEXT *context,DISPATCHER_CONTEXT *disp) +if ($win64) { +$rec="%rcx"; +$frame="%rdx"; +$context="%r8"; +$disp="%r9"; + +$code.=<<___; +.extern __imp_RtlVirtualUnwind +.type se_handler,\@abi-omnipotent +.align 16 +se_handler: + push %rsi + push %rdi + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + push %r15 + pushfq + sub \$64,%rsp + + mov 120($context),%rax # pull context->Rax + mov 248($context),%rbx # pull context->Rip + + mov 8($disp),%rsi # disp->ImageBase + mov 56($disp),%r11 # disp->HandlerData + + mov 0(%r11),%r10d # HandlerData[0] + lea (%rsi,%r10),%r10 # prologue label + cmp %r10,%rbx # context->RipRsp + + mov 4(%r11),%r10d # HandlerData[1] + lea (%rsi,%r10),%r10 # epilogue label + cmp %r10,%rbx # context->Rip>=epilogue label + jae .Lin_prologue + + mov 160($context),%rax # pull context->Rbp + + lea 0x40(%rax),%rsi # %xmm save area + lea 512($context),%rdi # &context.Xmm6 + mov \$20,%ecx # 10*sizeof(%xmm0)/sizeof(%rax) + .long 0xa548f3fc # cld; rep movsq + lea 0xa0(%rax),%rax # adjust stack pointer + + mov 0x70(%rax),%rbp + mov 0x68(%rax),%rbx + mov 0x60(%rax),%r12 + mov 0x58(%rax),%r13 + mov 0x50(%rax),%r14 + mov 0x48(%rax),%r15 + lea 0x78(%rax),%rax # adjust stack pointer + mov %rbx,144($context) # restore context->Rbx + mov %rbp,160($context) # restore context->Rbp + mov %r12,216($context) # restore context->R12 + mov %r13,224($context) # restore context->R13 + mov %r14,232($context) # restore context->R14 + mov %r15,240($context) # restore context->R15 + +.Lin_prologue: + mov %rax,152($context) # restore context->Rsp + + mov 40($disp),%rdi # disp->ContextRecord + mov $context,%rsi # context + mov \$`1232/8`,%ecx # sizeof(CONTEXT) + .long 0xa548f3fc # cld; rep movsq + + mov $disp,%rsi + xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER + mov 8(%rsi),%rdx # arg2, disp->ImageBase + mov 0(%rsi),%r8 # arg3, disp->ControlPc + mov 16(%rsi),%r9 # arg4, disp->FunctionEntry + mov 40(%rsi),%r10 # disp->ContextRecord + lea 56(%rsi),%r11 # &disp->HandlerData + lea 24(%rsi),%r12 # &disp->EstablisherFrame + mov %r10,32(%rsp) # arg5 + mov %r11,40(%rsp) # arg6 + mov %r12,48(%rsp) # arg7 + mov %rcx,56(%rsp) # arg8, (NULL) + call *__imp_RtlVirtualUnwind(%rip) + + mov \$1,%eax # ExceptionContinueSearch + add \$64,%rsp + popfq + pop %r15 + pop %r14 + pop %r13 + pop %r12 + pop %rbp + pop %rbx + pop %rdi + pop %rsi + ret +.size se_handler,.-se_handler + +.section .pdata +.align 4 +___ +$code.=<<___ if ($ecb); + .rva .Lecb_enc_prologue + .rva .Lecb_enc_epilogue + .rva .Lecb_enc_info + + .rva .Lecb_dec_prologue + .rva .Lecb_dec_epilogue + .rva .Lecb_dec_info +___ +$code.=<<___; + .rva .Lcbc_dec_prologue + .rva .Lcbc_dec_epilogue + .rva .Lcbc_dec_info + + .rva .Lctr_enc_prologue + .rva .Lctr_enc_epilogue + .rva .Lctr_enc_info + + .rva .Lxts_enc_prologue + .rva .Lxts_enc_epilogue + .rva .Lxts_enc_info + + .rva .Lxts_dec_prologue + .rva .Lxts_dec_epilogue + .rva .Lxts_dec_info + +.section .xdata +.align 8 +___ +$code.=<<___ if ($ecb); +.Lecb_enc_info: + .byte 9,0,0,0 + .rva se_handler + .rva .Lecb_enc_body,.Lecb_enc_epilogue # HandlerData[] +.Lecb_dec_info: + .byte 9,0,0,0 + .rva se_handler + .rva .Lecb_dec_body,.Lecb_dec_epilogue # HandlerData[] +___ +$code.=<<___; +.Lcbc_dec_info: + .byte 9,0,0,0 + .rva se_handler + .rva .Lcbc_dec_body,.Lcbc_dec_epilogue # HandlerData[] +.Lctr_enc_info: + .byte 9,0,0,0 + .rva se_handler + .rva .Lctr_enc_body,.Lctr_enc_epilogue # HandlerData[] +.Lxts_enc_info: + .byte 9,0,0,0 + .rva se_handler + .rva .Lxts_enc_body,.Lxts_enc_epilogue # HandlerData[] +.Lxts_dec_info: + .byte 9,0,0,0 + .rva se_handler + .rva .Lxts_dec_body,.Lxts_dec_epilogue # HandlerData[] +___ +} + +$code =~ s/\`([^\`]*)\`/eval($1)/gem; + +print $code; + +close STDOUT; diff --git a/crypto/aes/asm/vpaes-x86_64.pl b/crypto/aes/asm/vpaes-x86_64.pl new file mode 100644 index 0000000000..0254702230 --- /dev/null +++ b/crypto/aes/asm/vpaes-x86_64.pl @@ -0,0 +1,1204 @@ +#!/usr/bin/env perl + +###################################################################### +## Constant-time SSSE3 AES core implementation. +## version 0.1 +## +## By Mike Hamburg (Stanford University), 2009 +## Public domain. +## +## For details see http://shiftleft.org/papers/vector_aes/ and +## http://crypto.stanford.edu/vpaes/. + +###################################################################### +# September 2011. +# +# Interface to OpenSSL as "almost" drop-in replacement for +# aes-x86_64.pl. "Almost" refers to the fact that AES_cbc_encrypt +# doesn't handle partial vectors (doesn't have to if called from +# EVP only). "Drop-in" implies that this module doesn't share key +# schedule structure with the original nor does it make assumption +# about its alignment... +# +# Performance summary. aes-x86_64.pl column lists large-block CBC +# encrypt/decrypt/with-hyper-threading-off(*) results in cycles per +# byte processed with 128-bit key, and vpaes-x86_64.pl column - +# [also large-block CBC] encrypt/decrypt. +# +# aes-x86_64.pl vpaes-x86_64.pl +# +# Core 2(**) 30.5/43.7/14.3 21.8/25.7(***) +# Nehalem 30.5/42.2/14.6 9.8/11.8 +# Atom 63.9/79.0/32.1 64.0/84.8(***) +# +# (*) "Hyper-threading" in the context refers rather to cache shared +# among multiple cores, than to specifically Intel HTT. As vast +# majority of contemporary cores share cache, slower code path +# is common place. In other words "with-hyper-threading-off" +# results are presented mostly for reference purposes. +# +# (**) "Core 2" refers to initial 65nm design, a.k.a. Conroe. +# +# (***) Less impressive improvement on Core 2 and Atom is due to slow +# pshufb, yet it's respectable +40%/78% improvement on Core 2 +# (as implied, over "hyper-threading-safe" code path). +# +# + +$flavour = shift; +$output = shift; +if ($flavour =~ /\./) { $output = $flavour; undef $flavour; } + +$win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/); + +$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; +( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or +( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or +die "can't locate x86_64-xlate.pl"; + +open STDOUT,"| $^X $xlate $flavour $output"; + +$PREFIX="vpaes"; + +$code.=<<___; +.text + +## +## _aes_encrypt_core +## +## AES-encrypt %xmm0. +## +## Inputs: +## %xmm0 = input +## %xmm9-%xmm15 as in _vpaes_preheat +## (%rdx) = scheduled keys +## +## Output in %xmm0 +## Clobbers %xmm1-%xmm5, %r9, %r10, %r11, %rax +## Preserves %xmm6 - %xmm8 so you get some local vectors +## +## +.type _vpaes_encrypt_core,\@abi-omnipotent +.align 16 +_vpaes_encrypt_core: + mov %rdx, %r9 + mov \$16, %r11 + mov 240(%rdx),%eax + movdqa %xmm9, %xmm1 + movdqa .Lk_ipt(%rip), %xmm2 # iptlo + pandn %xmm0, %xmm1 + movdqu (%r9), %xmm5 # round0 key + psrld \$4, %xmm1 + pand %xmm9, %xmm0 + pshufb %xmm0, %xmm2 + movdqa .Lk_ipt+16(%rip), %xmm0 # ipthi + pshufb %xmm1, %xmm0 + pxor %xmm5, %xmm2 + pxor %xmm2, %xmm0 + add \$16, %r9 + lea .Lk_mc_backward(%rip),%r10 + jmp .Lenc_entry + +.align 16 +.Lenc_loop: + # middle of middle round + movdqa %xmm13, %xmm4 # 4 : sb1u + pshufb %xmm2, %xmm4 # 4 = sb1u + pxor %xmm5, %xmm4 # 4 = sb1u + k + movdqa %xmm12, %xmm0 # 0 : sb1t + pshufb %xmm3, %xmm0 # 0 = sb1t + pxor %xmm4, %xmm0 # 0 = A + movdqa %xmm15, %xmm5 # 4 : sb2u + pshufb %xmm2, %xmm5 # 4 = sb2u + movdqa -0x40(%r11,%r10), %xmm1 # .Lk_mc_forward[] + movdqa %xmm14, %xmm2 # 2 : sb2t + pshufb %xmm3, %xmm2 # 2 = sb2t + pxor %xmm5, %xmm2 # 2 = 2A + movdqa (%r11,%r10), %xmm4 # .Lk_mc_backward[] + movdqa %xmm0, %xmm3 # 3 = A + pshufb %xmm1, %xmm0 # 0 = B + add \$16, %r9 # next key + pxor %xmm2, %xmm0 # 0 = 2A+B + pshufb %xmm4, %xmm3 # 3 = D + add \$16, %r11 # next mc + pxor %xmm0, %xmm3 # 3 = 2A+B+D + pshufb %xmm1, %xmm0 # 0 = 2B+C + and \$0x30, %r11 # ... mod 4 + pxor %xmm3, %xmm0 # 0 = 2A+3B+C+D + sub \$1,%rax # nr-- + +.Lenc_entry: + # top of round + movdqa %xmm9, %xmm1 # 1 : i + pandn %xmm0, %xmm1 # 1 = i<<4 + psrld \$4, %xmm1 # 1 = i + pand %xmm9, %xmm0 # 0 = k + movdqa %xmm11, %xmm5 # 2 : a/k + pshufb %xmm0, %xmm5 # 2 = a/k + pxor %xmm1, %xmm0 # 0 = j + movdqa %xmm10, %xmm3 # 3 : 1/i + pshufb %xmm1, %xmm3 # 3 = 1/i + pxor %xmm5, %xmm3 # 3 = iak = 1/i + a/k + movdqa %xmm10, %xmm4 # 4 : 1/j + pshufb %xmm0, %xmm4 # 4 = 1/j + pxor %xmm5, %xmm4 # 4 = jak = 1/j + a/k + movdqa %xmm10, %xmm2 # 2 : 1/iak + pshufb %xmm3, %xmm2 # 2 = 1/iak + pxor %xmm0, %xmm2 # 2 = io + movdqa %xmm10, %xmm3 # 3 : 1/jak + movdqu (%r9), %xmm5 + pshufb %xmm4, %xmm3 # 3 = 1/jak + pxor %xmm1, %xmm3 # 3 = jo + jnz .Lenc_loop + + # middle of last round + movdqa -0x60(%r10), %xmm4 # 3 : sbou .Lk_sbo + movdqa -0x50(%r10), %xmm0 # 0 : sbot .Lk_sbo+16 + pshufb %xmm2, %xmm4 # 4 = sbou + pxor %xmm5, %xmm4 # 4 = sb1u + k + pshufb %xmm3, %xmm0 # 0 = sb1t + movdqa 0x40(%r11,%r10), %xmm1 # .Lk_sr[] + pxor %xmm4, %xmm0 # 0 = A + pshufb %xmm1, %xmm0 + ret +.size _vpaes_encrypt_core,.-_vpaes_encrypt_core + +## +## Decryption core +## +## Same API as encryption core. +## +.type _vpaes_decrypt_core,\@abi-omnipotent +.align 16 +_vpaes_decrypt_core: + mov %rdx, %r9 # load key + mov 240(%rdx),%eax + movdqa %xmm9, %xmm1 + movdqa .Lk_dipt(%rip), %xmm2 # iptlo + pandn %xmm0, %xmm1 + mov %rax, %r11 + psrld \$4, %xmm1 + movdqu (%r9), %xmm5 # round0 key + shl \$4, %r11 + pand %xmm9, %xmm0 + pshufb %xmm0, %xmm2 + movdqa .Lk_dipt+16(%rip), %xmm0 # ipthi + xor \$0x30, %r11 + lea .Lk_dsbd(%rip),%r10 + pshufb %xmm1, %xmm0 + and \$0x30, %r11 + pxor %xmm5, %xmm2 + movdqa .Lk_mc_forward+48(%rip), %xmm5 + pxor %xmm2, %xmm0 + add \$16, %r9 + add %r10, %r11 + jmp .Ldec_entry + +.align 16 +.Ldec_loop: +## +## Inverse mix columns +## + movdqa -0x20(%r10),%xmm4 # 4 : sb9u + pshufb %xmm2, %xmm4 # 4 = sb9u + pxor %xmm0, %xmm4 + movdqa -0x10(%r10),%xmm0 # 0 : sb9t + pshufb %xmm3, %xmm0 # 0 = sb9t + pxor %xmm4, %xmm0 # 0 = ch + add \$16, %r9 # next round key + + pshufb %xmm5, %xmm0 # MC ch + movdqa 0x00(%r10),%xmm4 # 4 : sbdu + pshufb %xmm2, %xmm4 # 4 = sbdu + pxor %xmm0, %xmm4 # 4 = ch + movdqa 0x10(%r10),%xmm0 # 0 : sbdt + pshufb %xmm3, %xmm0 # 0 = sbdt + pxor %xmm4, %xmm0 # 0 = ch + sub \$1,%rax # nr-- + + pshufb %xmm5, %xmm0 # MC ch + movdqa 0x20(%r10),%xmm4 # 4 : sbbu + pshufb %xmm2, %xmm4 # 4 = sbbu + pxor %xmm0, %xmm4 # 4 = ch + movdqa 0x30(%r10),%xmm0 # 0 : sbbt + pshufb %xmm3, %xmm0 # 0 = sbbt + pxor %xmm4, %xmm0 # 0 = ch + + pshufb %xmm5, %xmm0 # MC ch + movdqa 0x40(%r10),%xmm4 # 4 : sbeu + pshufb %xmm2, %xmm4 # 4 = sbeu + pxor %xmm0, %xmm4 # 4 = ch + movdqa 0x50(%r10),%xmm0 # 0 : sbet + pshufb %xmm3, %xmm0 # 0 = sbet + pxor %xmm4, %xmm0 # 0 = ch + + palignr \$12, %xmm5, %xmm5 + +.Ldec_entry: + # top of round + movdqa %xmm9, %xmm1 # 1 : i + pandn %xmm0, %xmm1 # 1 = i<<4 + psrld \$4, %xmm1 # 1 = i + pand %xmm9, %xmm0 # 0 = k + movdqa %xmm11, %xmm2 # 2 : a/k + pshufb %xmm0, %xmm2 # 2 = a/k + pxor %xmm1, %xmm0 # 0 = j + movdqa %xmm10, %xmm3 # 3 : 1/i + pshufb %xmm1, %xmm3 # 3 = 1/i + pxor %xmm2, %xmm3 # 3 = iak = 1/i + a/k + movdqa %xmm10, %xmm4 # 4 : 1/j + pshufb %xmm0, %xmm4 # 4 = 1/j + pxor %xmm2, %xmm4 # 4 = jak = 1/j + a/k + movdqa %xmm10, %xmm2 # 2 : 1/iak + pshufb %xmm3, %xmm2 # 2 = 1/iak + pxor %xmm0, %xmm2 # 2 = io + movdqa %xmm10, %xmm3 # 3 : 1/jak + pshufb %xmm4, %xmm3 # 3 = 1/jak + pxor %xmm1, %xmm3 # 3 = jo + movdqu (%r9), %xmm0 + jnz .Ldec_loop + + # middle of last round + movdqa 0x60(%r10), %xmm4 # 3 : sbou + pshufb %xmm2, %xmm4 # 4 = sbou + pxor %xmm0, %xmm4 # 4 = sb1u + k + movdqa 0x70(%r10), %xmm0 # 0 : sbot + movdqa .Lk_sr-.Lk_dsbd(%r11), %xmm2 + pshufb %xmm3, %xmm0 # 0 = sb1t + pxor %xmm4, %xmm0 # 0 = A + pshufb %xmm2, %xmm0 + ret +.size _vpaes_decrypt_core,.-_vpaes_decrypt_core + +######################################################## +## ## +## AES key schedule ## +## ## +######################################################## +.type _vpaes_schedule_core,\@abi-omnipotent +.align 16 +_vpaes_schedule_core: + # rdi = key + # rsi = size in bits + # rdx = buffer + # rcx = direction. 0=encrypt, 1=decrypt + + call _vpaes_preheat # load the tables + movdqa .Lk_rcon(%rip), %xmm8 # load rcon + movdqu (%rdi), %xmm0 # load key (unaligned) + + # input transform + movdqa %xmm0, %xmm3 + lea .Lk_ipt(%rip), %r11 + call _vpaes_schedule_transform + movdqa %xmm0, %xmm7 + + lea .Lk_sr(%rip),%r10 + test %rcx, %rcx + jnz .Lschedule_am_decrypting + + # encrypting, output zeroth round key after transform + movdqu %xmm0, (%rdx) + jmp .Lschedule_go + +.Lschedule_am_decrypting: + # decrypting, output zeroth round key after shiftrows + movdqa (%r8,%r10),%xmm1 + pshufb %xmm1, %xmm3 + movdqu %xmm3, (%rdx) + xor \$0x30, %r8 + +.Lschedule_go: + cmp \$192, %esi + ja .Lschedule_256 + je .Lschedule_192 + # 128: fall though + +## +## .schedule_128 +## +## 128-bit specific part of key schedule. +## +## This schedule is really simple, because all its parts +## are accomplished by the subroutines. +## +.Lschedule_128: + mov \$10, %esi + +.Loop_schedule_128: + call _vpaes_schedule_round + dec %rsi + jz .Lschedule_mangle_last + call _vpaes_schedule_mangle # write output + jmp .Loop_schedule_128 + +## +## .aes_schedule_192 +## +## 192-bit specific part of key schedule. +## +## The main body of this schedule is the same as the 128-bit +## schedule, but with more smearing. The long, high side is +## stored in %xmm7 as before, and the short, low side is in +## the high bits of %xmm6. +## +## This schedule is somewhat nastier, however, because each +## round produces 192 bits of key material, or 1.5 round keys. +## Therefore, on each cycle we do 2 rounds and produce 3 round +## keys. +## +.align 16 +.Lschedule_192: + movdqu 8(%rdi),%xmm0 # load key part 2 (very unaligned) + call _vpaes_schedule_transform # input transform + movdqa %xmm0, %xmm6 # save short part + pxor %xmm4, %xmm4 # clear 4 + movhlps %xmm4, %xmm6 # clobber low side with zeros + mov \$4, %esi + +.Loop_schedule_192: + call _vpaes_schedule_round + palignr \$8,%xmm6,%xmm0 + call _vpaes_schedule_mangle # save key n + call _vpaes_schedule_192_smear + call _vpaes_schedule_mangle # save key n+1 + call _vpaes_schedule_round + dec %rsi + jz .Lschedule_mangle_last + call _vpaes_schedule_mangle # save key n+2 + call _vpaes_schedule_192_smear + jmp .Loop_schedule_192 + +## +## .aes_schedule_256 +## +## 256-bit specific part of key schedule. +## +## The structure here is very similar to the 128-bit +## schedule, but with an additional "low side" in +## %xmm6. The low side's rounds are the same as the +## high side's, except no rcon and no rotation. +## +.align 16 +.Lschedule_256: + movdqu 16(%rdi),%xmm0 # load key part 2 (unaligned) + call _vpaes_schedule_transform # input transform + mov \$7, %esi + +.Loop_schedule_256: + call _vpaes_schedule_mangle # output low result + movdqa %xmm0, %xmm6 # save cur_lo in xmm6 + + # high round + call _vpaes_schedule_round + dec %rsi + jz .Lschedule_mangle_last + call _vpaes_schedule_mangle + + # low round. swap xmm7 and xmm6 + pshufd \$0xFF, %xmm0, %xmm0 + movdqa %xmm7, %xmm5 + movdqa %xmm6, %xmm7 + call _vpaes_schedule_low_round + movdqa %xmm5, %xmm7 + + jmp .Loop_schedule_256 + + +## +## .aes_schedule_mangle_last +## +## Mangler for last round of key schedule +## Mangles %xmm0 +## when encrypting, outputs out(%xmm0) ^ 63 +## when decrypting, outputs unskew(%xmm0) +## +## Always called right before return... jumps to cleanup and exits +## +.align 16 +.Lschedule_mangle_last: + # schedule last round key from xmm0 + lea .Lk_deskew(%rip),%r11 # prepare to deskew + test %rcx, %rcx + jnz .Lschedule_mangle_last_dec + + # encrypting + movdqa (%r8,%r10),%xmm1 + pshufb %xmm1, %xmm0 # output permute + lea .Lk_opt(%rip), %r11 # prepare to output transform + add \$32, %rdx + +.Lschedule_mangle_last_dec: + add \$-16, %rdx + pxor .Lk_s63(%rip), %xmm0 + call _vpaes_schedule_transform # output transform + movdqu %xmm0, (%rdx) # save last key + + # cleanup + pxor %xmm0, %xmm0 + pxor %xmm1, %xmm1 + pxor %xmm2, %xmm2 + pxor %xmm3, %xmm3 + pxor %xmm4, %xmm4 + pxor %xmm5, %xmm5 + pxor %xmm6, %xmm6 + pxor %xmm7, %xmm7 + ret +.size _vpaes_schedule_core,.-_vpaes_schedule_core + +## +## .aes_schedule_192_smear +## +## Smear the short, low side in the 192-bit key schedule. +## +## Inputs: +## %xmm7: high side, b a x y +## %xmm6: low side, d c 0 0 +## %xmm13: 0 +## +## Outputs: +## %xmm6: b+c+d b+c 0 0 +## %xmm0: b+c+d b+c b a +## +.type _vpaes_schedule_192_smear,\@abi-omnipotent +.align 16 +_vpaes_schedule_192_smear: + pshufd \$0x80, %xmm6, %xmm0 # d c 0 0 -> c 0 0 0 + pxor %xmm0, %xmm6 # -> c+d c 0 0 + pshufd \$0xFE, %xmm7, %xmm0 # b a _ _ -> b b b a + pxor %xmm0, %xmm6 # -> b+c+d b+c b a + movdqa %xmm6, %xmm0 + pxor %xmm1, %xmm1 + movhlps %xmm1, %xmm6 # clobber low side with zeros + ret +.size _vpaes_schedule_192_smear,.-_vpaes_schedule_192_smear + +## +## .aes_schedule_round +## +## Runs one main round of the key schedule on %xmm0, %xmm7 +## +## Specifically, runs subbytes on the high dword of %xmm0 +## then rotates it by one byte and xors into the low dword of +## %xmm7. +## +## Adds rcon from low byte of %xmm8, then rotates %xmm8 for +## next rcon. +## +## Smears the dwords of %xmm7 by xoring the low into the +## second low, result into third, result into highest. +## +## Returns results in %xmm7 = %xmm0. +## Clobbers %xmm1-%xmm4, %r11. +## +.type _vpaes_schedule_round,\@abi-omnipotent +.align 16 +_vpaes_schedule_round: + # extract rcon from xmm8 + pxor %xmm1, %xmm1 + palignr \$15, %xmm8, %xmm1 + palignr \$15, %xmm8, %xmm8 + pxor %xmm1, %xmm7 + + # rotate + pshufd \$0xFF, %xmm0, %xmm0 + palignr \$1, %xmm0, %xmm0 + + # fall through... + + # low round: same as high round, but no rotation and no rcon. +_vpaes_schedule_low_round: + # smear xmm7 + movdqa %xmm7, %xmm1 + pslldq \$4, %xmm7 + pxor %xmm1, %xmm7 + movdqa %xmm7, %xmm1 + pslldq \$8, %xmm7 + pxor %xmm1, %xmm7 + pxor .Lk_s63(%rip), %xmm7 + + # subbytes + movdqa %xmm9, %xmm1 + pandn %xmm0, %xmm1 + psrld \$4, %xmm1 # 1 = i + pand %xmm9, %xmm0 # 0 = k + movdqa %xmm11, %xmm2 # 2 : a/k + pshufb %xmm0, %xmm2 # 2 = a/k + pxor %xmm1, %xmm0 # 0 = j + movdqa %xmm10, %xmm3 # 3 : 1/i + pshufb %xmm1, %xmm3 # 3 = 1/i + pxor %xmm2, %xmm3 # 3 = iak = 1/i + a/k + movdqa %xmm10, %xmm4 # 4 : 1/j + pshufb %xmm0, %xmm4 # 4 = 1/j + pxor %xmm2, %xmm4 # 4 = jak = 1/j + a/k + movdqa %xmm10, %xmm2 # 2 : 1/iak + pshufb %xmm3, %xmm2 # 2 = 1/iak + pxor %xmm0, %xmm2 # 2 = io + movdqa %xmm10, %xmm3 # 3 : 1/jak + pshufb %xmm4, %xmm3 # 3 = 1/jak + pxor %xmm1, %xmm3 # 3 = jo + movdqa %xmm13, %xmm4 # 4 : sbou + pshufb %xmm2, %xmm4 # 4 = sbou + movdqa %xmm12, %xmm0 # 0 : sbot + pshufb %xmm3, %xmm0 # 0 = sb1t + pxor %xmm4, %xmm0 # 0 = sbox output + + # add in smeared stuff + pxor %xmm7, %xmm0 + movdqa %xmm0, %xmm7 + ret +.size _vpaes_schedule_round,.-_vpaes_schedule_round + +## +## .aes_schedule_transform +## +## Linear-transform %xmm0 according to tables at (%r11) +## +## Requires that %xmm9 = 0x0F0F... as in preheat +## Output in %xmm0 +## Clobbers %xmm1, %xmm2 +## +.type _vpaes_schedule_transform,\@abi-omnipotent +.align 16 +_vpaes_schedule_transform: + movdqa %xmm9, %xmm1 + pandn %xmm0, %xmm1 + psrld \$4, %xmm1 + pand %xmm9, %xmm0 + movdqa (%r11), %xmm2 # lo + pshufb %xmm0, %xmm2 + movdqa 16(%r11), %xmm0 # hi + pshufb %xmm1, %xmm0 + pxor %xmm2, %xmm0 + ret +.size _vpaes_schedule_transform,.-_vpaes_schedule_transform + +## +## .aes_schedule_mangle +## +## Mangle xmm0 from (basis-transformed) standard version +## to our version. +## +## On encrypt, +## xor with 0x63 +## multiply by circulant 0,1,1,1 +## apply shiftrows transform +## +## On decrypt, +## xor with 0x63 +## multiply by "inverse mixcolumns" circulant E,B,D,9 +## deskew +## apply shiftrows transform +## +## +## Writes out to (%rdx), and increments or decrements it +## Keeps track of round number mod 4 in %r8 +## Preserves xmm0 +## Clobbers xmm1-xmm5 +## +.type _vpaes_schedule_mangle,\@abi-omnipotent +.align 16 +_vpaes_schedule_mangle: + movdqa %xmm0, %xmm4 # save xmm0 for later + movdqa .Lk_mc_forward(%rip),%xmm5 + test %rcx, %rcx + jnz .Lschedule_mangle_dec + + # encrypting + add \$16, %rdx + pxor .Lk_s63(%rip),%xmm4 + pshufb %xmm5, %xmm4 + movdqa %xmm4, %xmm3 + pshufb %xmm5, %xmm4 + pxor %xmm4, %xmm3 + pshufb %xmm5, %xmm4 + pxor %xmm4, %xmm3 + + jmp .Lschedule_mangle_both +.align 16 +.Lschedule_mangle_dec: + # inverse mix columns + lea .Lk_dksd(%rip),%r11 + movdqa %xmm9, %xmm1 + pandn %xmm4, %xmm1 + psrld \$4, %xmm1 # 1 = hi + pand %xmm9, %xmm4 # 4 = lo + + movdqa 0x00(%r11), %xmm2 + pshufb %xmm4, %xmm2 + movdqa 0x10(%r11), %xmm3 + pshufb %xmm1, %xmm3 + pxor %xmm2, %xmm3 + pshufb %xmm5, %xmm3 + + movdqa 0x20(%r11), %xmm2 + pshufb %xmm4, %xmm2 + pxor %xmm3, %xmm2 + movdqa 0x30(%r11), %xmm3 + pshufb %xmm1, %xmm3 + pxor %xmm2, %xmm3 + pshufb %xmm5, %xmm3 + + movdqa 0x40(%r11), %xmm2 + pshufb %xmm4, %xmm2 + pxor %xmm3, %xmm2 + movdqa 0x50(%r11), %xmm3 + pshufb %xmm1, %xmm3 + pxor %xmm2, %xmm3 + pshufb %xmm5, %xmm3 + + movdqa 0x60(%r11), %xmm2 + pshufb %xmm4, %xmm2 + pxor %xmm3, %xmm2 + movdqa 0x70(%r11), %xmm3 + pshufb %xmm1, %xmm3 + pxor %xmm2, %xmm3 + + add \$-16, %rdx + +.Lschedule_mangle_both: + movdqa (%r8,%r10),%xmm1 + pshufb %xmm1,%xmm3 + add \$-16, %r8 + and \$0x30, %r8 + movdqu %xmm3, (%rdx) + ret +.size _vpaes_schedule_mangle,.-_vpaes_schedule_mangle + +# +# Interface to OpenSSL +# +.globl ${PREFIX}_set_encrypt_key +.type ${PREFIX}_set_encrypt_key,\@function,3 +.align 16 +${PREFIX}_set_encrypt_key: +___ +$code.=<<___ if ($win64); + lea -0xb8(%rsp),%rsp + movaps %xmm6,0x10(%rsp) + movaps %xmm7,0x20(%rsp) + movaps %xmm8,0x30(%rsp) + movaps %xmm9,0x40(%rsp) + movaps %xmm10,0x50(%rsp) + movaps %xmm11,0x60(%rsp) + movaps %xmm12,0x70(%rsp) + movaps %xmm13,0x80(%rsp) + movaps %xmm14,0x90(%rsp) + movaps %xmm15,0xa0(%rsp) +.Lenc_key_body: +___ +$code.=<<___; + mov %esi,%eax + shr \$5,%eax + add \$5,%eax + mov %eax,240(%rdx) # AES_KEY->rounds = nbits/32+5; + + mov \$0,%ecx + mov \$0x30,%r8d + call _vpaes_schedule_core +___ +$code.=<<___ if ($win64); + movaps 0x10(%rsp),%xmm6 + movaps 0x20(%rsp),%xmm7 + movaps 0x30(%rsp),%xmm8 + movaps 0x40(%rsp),%xmm9 + movaps 0x50(%rsp),%xmm10 + movaps 0x60(%rsp),%xmm11 + movaps 0x70(%rsp),%xmm12 + movaps 0x80(%rsp),%xmm13 + movaps 0x90(%rsp),%xmm14 + movaps 0xa0(%rsp),%xmm15 + lea 0xb8(%rsp),%rsp +.Lenc_key_epilogue: +___ +$code.=<<___; + xor %eax,%eax + ret +.size ${PREFIX}_set_encrypt_key,.-${PREFIX}_set_encrypt_key + +.globl ${PREFIX}_set_decrypt_key +.type ${PREFIX}_set_decrypt_key,\@function,3 +.align 16 +${PREFIX}_set_decrypt_key: +___ +$code.=<<___ if ($win64); + lea -0xb8(%rsp),%rsp + movaps %xmm6,0x10(%rsp) + movaps %xmm7,0x20(%rsp) + movaps %xmm8,0x30(%rsp) + movaps %xmm9,0x40(%rsp) + movaps %xmm10,0x50(%rsp) + movaps %xmm11,0x60(%rsp) + movaps %xmm12,0x70(%rsp) + movaps %xmm13,0x80(%rsp) + movaps %xmm14,0x90(%rsp) + movaps %xmm15,0xa0(%rsp) +.Ldec_key_body: +___ +$code.=<<___; + mov %esi,%eax + shr \$5,%eax + add \$5,%eax + mov %eax,240(%rdx) # AES_KEY->rounds = nbits/32+5; + shl \$4,%eax + lea 16(%rdx,%rax),%rdx + + mov \$1,%ecx + mov %esi,%r8d + shr \$1,%r8d + and \$32,%r8d + xor \$32,%r8d # nbits==192?0:32 + call _vpaes_schedule_core +___ +$code.=<<___ if ($win64); + movaps 0x10(%rsp),%xmm6 + movaps 0x20(%rsp),%xmm7 + movaps 0x30(%rsp),%xmm8 + movaps 0x40(%rsp),%xmm9 + movaps 0x50(%rsp),%xmm10 + movaps 0x60(%rsp),%xmm11 + movaps 0x70(%rsp),%xmm12 + movaps 0x80(%rsp),%xmm13 + movaps 0x90(%rsp),%xmm14 + movaps 0xa0(%rsp),%xmm15 + lea 0xb8(%rsp),%rsp +.Ldec_key_epilogue: +___ +$code.=<<___; + xor %eax,%eax + ret +.size ${PREFIX}_set_decrypt_key,.-${PREFIX}_set_decrypt_key + +.globl ${PREFIX}_encrypt +.type ${PREFIX}_encrypt,\@function,3 +.align 16 +${PREFIX}_encrypt: +___ +$code.=<<___ if ($win64); + lea -0xb8(%rsp),%rsp + movaps %xmm6,0x10(%rsp) + movaps %xmm7,0x20(%rsp) + movaps %xmm8,0x30(%rsp) + movaps %xmm9,0x40(%rsp) + movaps %xmm10,0x50(%rsp) + movaps %xmm11,0x60(%rsp) + movaps %xmm12,0x70(%rsp) + movaps %xmm13,0x80(%rsp) + movaps %xmm14,0x90(%rsp) + movaps %xmm15,0xa0(%rsp) +.Lenc_body: +___ +$code.=<<___; + movdqu (%rdi),%xmm0 + call _vpaes_preheat + call _vpaes_encrypt_core + movdqu %xmm0,(%rsi) +___ +$code.=<<___ if ($win64); + movaps 0x10(%rsp),%xmm6 + movaps 0x20(%rsp),%xmm7 + movaps 0x30(%rsp),%xmm8 + movaps 0x40(%rsp),%xmm9 + movaps 0x50(%rsp),%xmm10 + movaps 0x60(%rsp),%xmm11 + movaps 0x70(%rsp),%xmm12 + movaps 0x80(%rsp),%xmm13 + movaps 0x90(%rsp),%xmm14 + movaps 0xa0(%rsp),%xmm15 + lea 0xb8(%rsp),%rsp +.Lenc_epilogue: +___ +$code.=<<___; + ret +.size ${PREFIX}_encrypt,.-${PREFIX}_encrypt + +.globl ${PREFIX}_decrypt +.type ${PREFIX}_decrypt,\@function,3 +.align 16 +${PREFIX}_decrypt: +___ +$code.=<<___ if ($win64); + lea -0xb8(%rsp),%rsp + movaps %xmm6,0x10(%rsp) + movaps %xmm7,0x20(%rsp) + movaps %xmm8,0x30(%rsp) + movaps %xmm9,0x40(%rsp) + movaps %xmm10,0x50(%rsp) + movaps %xmm11,0x60(%rsp) + movaps %xmm12,0x70(%rsp) + movaps %xmm13,0x80(%rsp) + movaps %xmm14,0x90(%rsp) + movaps %xmm15,0xa0(%rsp) +.Ldec_body: +___ +$code.=<<___; + movdqu (%rdi),%xmm0 + call _vpaes_preheat + call _vpaes_decrypt_core + movdqu %xmm0,(%rsi) +___ +$code.=<<___ if ($win64); + movaps 0x10(%rsp),%xmm6 + movaps 0x20(%rsp),%xmm7 + movaps 0x30(%rsp),%xmm8 + movaps 0x40(%rsp),%xmm9 + movaps 0x50(%rsp),%xmm10 + movaps 0x60(%rsp),%xmm11 + movaps 0x70(%rsp),%xmm12 + movaps 0x80(%rsp),%xmm13 + movaps 0x90(%rsp),%xmm14 + movaps 0xa0(%rsp),%xmm15 + lea 0xb8(%rsp),%rsp +.Ldec_epilogue: +___ +$code.=<<___; + ret +.size ${PREFIX}_decrypt,.-${PREFIX}_decrypt +___ +{ +my ($inp,$out,$len,$key,$ivp,$enc)=("%rdi","%rsi","%rdx","%rcx","%r8","%r9"); +# void AES_cbc_encrypt (const void char *inp, unsigned char *out, +# size_t length, const AES_KEY *key, +# unsigned char *ivp,const int enc); +$code.=<<___; +.globl ${PREFIX}_cbc_encrypt +.type ${PREFIX}_cbc_encrypt,\@function,6 +.align 16 +${PREFIX}_cbc_encrypt: + xchg $key,$len +___ +($len,$key)=($key,$len); +$code.=<<___; +___ +$code.=<<___ if ($win64); + lea -0xb8(%rsp),%rsp + movaps %xmm6,0x10(%rsp) + movaps %xmm7,0x20(%rsp) + movaps %xmm8,0x30(%rsp) + movaps %xmm9,0x40(%rsp) + movaps %xmm10,0x50(%rsp) + movaps %xmm11,0x60(%rsp) + movaps %xmm12,0x70(%rsp) + movaps %xmm13,0x80(%rsp) + movaps %xmm14,0x90(%rsp) + movaps %xmm15,0xa0(%rsp) +.Lcbc_body: +___ +$code.=<<___; + movdqu ($ivp),%xmm6 # load IV + sub $inp,$out + sub \$16,$len + call _vpaes_preheat + cmp \$0,${enc}d + je .Lcbc_dec_loop + jmp .Lcbc_enc_loop +.align 16 +.Lcbc_enc_loop: + movdqu ($inp),%xmm0 + pxor %xmm6,%xmm0 + call _vpaes_encrypt_core + movdqa %xmm0,%xmm6 + movdqu %xmm0,($out,$inp) + lea 16($inp),$inp + sub \$16,$len + jnc .Lcbc_enc_loop + jmp .Lcbc_done +.align 16 +.Lcbc_dec_loop: + movdqu ($inp),%xmm0 + movdqa %xmm0,%xmm7 + call _vpaes_decrypt_core + pxor %xmm6,%xmm0 + movdqa %xmm7,%xmm6 + movdqu %xmm0,($out,$inp) + lea 16($inp),$inp + sub \$16,$len + jnc .Lcbc_dec_loop +.Lcbc_done: + movdqu %xmm6,($ivp) # save IV +___ +$code.=<<___ if ($win64); + movaps 0x10(%rsp),%xmm6 + movaps 0x20(%rsp),%xmm7 + movaps 0x30(%rsp),%xmm8 + movaps 0x40(%rsp),%xmm9 + movaps 0x50(%rsp),%xmm10 + movaps 0x60(%rsp),%xmm11 + movaps 0x70(%rsp),%xmm12 + movaps 0x80(%rsp),%xmm13 + movaps 0x90(%rsp),%xmm14 + movaps 0xa0(%rsp),%xmm15 + lea 0xb8(%rsp),%rsp +.Lcbc_epilogue: +___ +$code.=<<___; + ret +.size ${PREFIX}_cbc_encrypt,.-${PREFIX}_cbc_encrypt +___ +} +$code.=<<___; +## +## _aes_preheat +## +## Fills register %r10 -> .aes_consts (so you can -fPIC) +## and %xmm9-%xmm15 as specified below. +## +.type _vpaes_preheat,\@abi-omnipotent +.align 16 +_vpaes_preheat: + lea .Lk_s0F(%rip), %r10 + movdqa -0x20(%r10), %xmm10 # .Lk_inv + movdqa -0x10(%r10), %xmm11 # .Lk_inv+16 + movdqa 0x00(%r10), %xmm9 # .Lk_s0F + movdqa 0x30(%r10), %xmm13 # .Lk_sb1 + movdqa 0x40(%r10), %xmm12 # .Lk_sb1+16 + movdqa 0x50(%r10), %xmm15 # .Lk_sb2 + movdqa 0x60(%r10), %xmm14 # .Lk_sb2+16 + ret +.size _vpaes_preheat,.-_vpaes_preheat +######################################################## +## ## +## Constants ## +## ## +######################################################## +.type _vpaes_consts,\@object +.align 64 +_vpaes_consts: +.Lk_inv: # inv, inva + .quad 0x0E05060F0D080180, 0x040703090A0B0C02 + .quad 0x01040A060F0B0780, 0x030D0E0C02050809 + +.Lk_s0F: # s0F + .quad 0x0F0F0F0F0F0F0F0F, 0x0F0F0F0F0F0F0F0F + +.Lk_ipt: # input transform (lo, hi) + .quad 0xC2B2E8985A2A7000, 0xCABAE09052227808 + .quad 0x4C01307D317C4D00, 0xCD80B1FCB0FDCC81 + +.Lk_sb1: # sb1u, sb1t + .quad 0xB19BE18FCB503E00, 0xA5DF7A6E142AF544 + .quad 0x3618D415FAE22300, 0x3BF7CCC10D2ED9EF +.Lk_sb2: # sb2u, sb2t + .quad 0xE27A93C60B712400, 0x5EB7E955BC982FCD + .quad 0x69EB88400AE12900, 0xC2A163C8AB82234A +.Lk_sbo: # sbou, sbot + .quad 0xD0D26D176FBDC700, 0x15AABF7AC502A878 + .quad 0xCFE474A55FBB6A00, 0x8E1E90D1412B35FA + +.Lk_mc_forward: # mc_forward + .quad 0x0407060500030201, 0x0C0F0E0D080B0A09 + .quad 0x080B0A0904070605, 0x000302010C0F0E0D + .quad 0x0C0F0E0D080B0A09, 0x0407060500030201 + .quad 0x000302010C0F0E0D, 0x080B0A0904070605 + +.Lk_mc_backward:# mc_backward + .quad 0x0605040702010003, 0x0E0D0C0F0A09080B + .quad 0x020100030E0D0C0F, 0x0A09080B06050407 + .quad 0x0E0D0C0F0A09080B, 0x0605040702010003 + .quad 0x0A09080B06050407, 0x020100030E0D0C0F + +.Lk_sr: # sr + .quad 0x0706050403020100, 0x0F0E0D0C0B0A0908 + .quad 0x030E09040F0A0500, 0x0B06010C07020D08 + .quad 0x0F060D040B020900, 0x070E050C030A0108 + .quad 0x0B0E0104070A0D00, 0x0306090C0F020508 + +.Lk_rcon: # rcon + .quad 0x1F8391B9AF9DEEB6, 0x702A98084D7C7D81 + +.Lk_s63: # s63: all equal to 0x63 transformed + .quad 0x5B5B5B5B5B5B5B5B, 0x5B5B5B5B5B5B5B5B + +.Lk_opt: # output transform + .quad 0xFF9F4929D6B66000, 0xF7974121DEBE6808 + .quad 0x01EDBD5150BCEC00, 0xE10D5DB1B05C0CE0 + +.Lk_deskew: # deskew tables: inverts the sbox's "skew" + .quad 0x07E4A34047A4E300, 0x1DFEB95A5DBEF91A + .quad 0x5F36B5DC83EA6900, 0x2841C2ABF49D1E77 + +## +## Decryption stuff +## Key schedule constants +## +.Lk_dksd: # decryption key schedule: invskew x*D + .quad 0xFEB91A5DA3E44700, 0x0740E3A45A1DBEF9 + .quad 0x41C277F4B5368300, 0x5FDC69EAAB289D1E +.Lk_dksb: # decryption key schedule: invskew x*B + .quad 0x9A4FCA1F8550D500, 0x03D653861CC94C99 + .quad 0x115BEDA7B6FC4A00, 0xD993256F7E3482C8 +.Lk_dkse: # decryption key schedule: invskew x*E + 0x63 + .quad 0xD5031CCA1FC9D600, 0x53859A4C994F5086 + .quad 0xA23196054FDC7BE8, 0xCD5EF96A20B31487 +.Lk_dks9: # decryption key schedule: invskew x*9 + .quad 0xB6116FC87ED9A700, 0x4AED933482255BFC + .quad 0x4576516227143300, 0x8BB89FACE9DAFDCE + +## +## Decryption stuff +## Round function constants +## +.Lk_dipt: # decryption input transform + .quad 0x0F505B040B545F00, 0x154A411E114E451A + .quad 0x86E383E660056500, 0x12771772F491F194 + +.Lk_dsb9: # decryption sbox output *9*u, *9*t + .quad 0x851C03539A86D600, 0xCAD51F504F994CC9 + .quad 0xC03B1789ECD74900, 0x725E2C9EB2FBA565 +.Lk_dsbd: # decryption sbox output *D*u, *D*t + .quad 0x7D57CCDFE6B1A200, 0xF56E9B13882A4439 + .quad 0x3CE2FAF724C6CB00, 0x2931180D15DEEFD3 +.Lk_dsbb: # decryption sbox output *B*u, *B*t + .quad 0xD022649296B44200, 0x602646F6B0F2D404 + .quad 0xC19498A6CD596700, 0xF3FF0C3E3255AA6B +.Lk_dsbe: # decryption sbox output *E*u, *E*t + .quad 0x46F2929626D4D000, 0x2242600464B4F6B0 + .quad 0x0C55A6CDFFAAC100, 0x9467F36B98593E32 +.Lk_dsbo: # decryption sbox final output + .quad 0x1387EA537EF94000, 0xC7AA6DB9D4943E2D + .quad 0x12D7560F93441D00, 0xCA4B8159D8C58E9C +.asciz "Vector Permutaion AES for x86_64/SSSE3, Mike Hamburg (Stanford University)" +.align 64 +.size _vpaes_consts,.-_vpaes_consts +___ + +if ($win64) { +# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame, +# CONTEXT *context,DISPATCHER_CONTEXT *disp) +$rec="%rcx"; +$frame="%rdx"; +$context="%r8"; +$disp="%r9"; + +$code.=<<___; +.extern __imp_RtlVirtualUnwind +.type se_handler,\@abi-omnipotent +.align 16 +se_handler: + push %rsi + push %rdi + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + push %r15 + pushfq + sub \$64,%rsp + + mov 120($context),%rax # pull context->Rax + mov 248($context),%rbx # pull context->Rip + + mov 8($disp),%rsi # disp->ImageBase + mov 56($disp),%r11 # disp->HandlerData + + mov 0(%r11),%r10d # HandlerData[0] + lea (%rsi,%r10),%r10 # prologue label + cmp %r10,%rbx # context->RipRsp + + mov 4(%r11),%r10d # HandlerData[1] + lea (%rsi,%r10),%r10 # epilogue label + cmp %r10,%rbx # context->Rip>=epilogue label + jae .Lin_prologue + + lea 16(%rax),%rsi # %xmm save area + lea 512($context),%rdi # &context.Xmm6 + mov \$20,%ecx # 10*sizeof(%xmm0)/sizeof(%rax) + .long 0xa548f3fc # cld; rep movsq + lea 0xb8(%rax),%rax # adjust stack pointer + +.Lin_prologue: + mov 8(%rax),%rdi + mov 16(%rax),%rsi + mov %rax,152($context) # restore context->Rsp + mov %rsi,168($context) # restore context->Rsi + mov %rdi,176($context) # restore context->Rdi + + mov 40($disp),%rdi # disp->ContextRecord + mov $context,%rsi # context + mov \$`1232/8`,%ecx # sizeof(CONTEXT) + .long 0xa548f3fc # cld; rep movsq + + mov $disp,%rsi + xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER + mov 8(%rsi),%rdx # arg2, disp->ImageBase + mov 0(%rsi),%r8 # arg3, disp->ControlPc + mov 16(%rsi),%r9 # arg4, disp->FunctionEntry + mov 40(%rsi),%r10 # disp->ContextRecord + lea 56(%rsi),%r11 # &disp->HandlerData + lea 24(%rsi),%r12 # &disp->EstablisherFrame + mov %r10,32(%rsp) # arg5 + mov %r11,40(%rsp) # arg6 + mov %r12,48(%rsp) # arg7 + mov %rcx,56(%rsp) # arg8, (NULL) + call *__imp_RtlVirtualUnwind(%rip) + + mov \$1,%eax # ExceptionContinueSearch + add \$64,%rsp + popfq + pop %r15 + pop %r14 + pop %r13 + pop %r12 + pop %rbp + pop %rbx + pop %rdi + pop %rsi + ret +.size se_handler,.-se_handler + +.section .pdata +.align 4 + .rva .LSEH_begin_${PREFIX}_set_encrypt_key + .rva .LSEH_end_${PREFIX}_set_encrypt_key + .rva .LSEH_info_${PREFIX}_set_encrypt_key + + .rva .LSEH_begin_${PREFIX}_set_decrypt_key + .rva .LSEH_end_${PREFIX}_set_decrypt_key + .rva .LSEH_info_${PREFIX}_set_decrypt_key + + .rva .LSEH_begin_${PREFIX}_encrypt + .rva .LSEH_end_${PREFIX}_encrypt + .rva .LSEH_info_${PREFIX}_encrypt + + .rva .LSEH_begin_${PREFIX}_decrypt + .rva .LSEH_end_${PREFIX}_decrypt + .rva .LSEH_info_${PREFIX}_decrypt + + .rva .LSEH_begin_${PREFIX}_cbc_encrypt + .rva .LSEH_end_${PREFIX}_cbc_encrypt + .rva .LSEH_info_${PREFIX}_cbc_encrypt + +.section .xdata +.align 8 +.LSEH_info_${PREFIX}_set_encrypt_key: + .byte 9,0,0,0 + .rva se_handler + .rva .Lenc_key_body,.Lenc_key_epilogue # HandlerData[] +.LSEH_info_${PREFIX}_set_decrypt_key: + .byte 9,0,0,0 + .rva se_handler + .rva .Ldec_key_body,.Ldec_key_epilogue # HandlerData[] +.LSEH_info_${PREFIX}_encrypt: + .byte 9,0,0,0 + .rva se_handler + .rva .Lenc_body,.Lenc_epilogue # HandlerData[] +.LSEH_info_${PREFIX}_decrypt: + .byte 9,0,0,0 + .rva se_handler + .rva .Ldec_body,.Ldec_epilogue # HandlerData[] +.LSEH_info_${PREFIX}_cbc_encrypt: + .byte 9,0,0,0 + .rva se_handler + .rva .Lcbc_body,.Lcbc_epilogue # HandlerData[] +___ +} + +$code =~ s/\`([^\`]*)\`/eval($1)/gem; + +print $code; + +close STDOUT; diff --git a/crypto/bn/asm/x86_64-gf2m.pl b/crypto/bn/asm/x86_64-gf2m.pl new file mode 100644 index 0000000000..1658acbbdd --- /dev/null +++ b/crypto/bn/asm/x86_64-gf2m.pl @@ -0,0 +1,389 @@ +#!/usr/bin/env perl +# +# ==================================================================== +# Written by Andy Polyakov for the OpenSSL +# project. The module is, however, dual licensed under OpenSSL and +# CRYPTOGAMS licenses depending on where you obtain it. For further +# details see http://www.openssl.org/~appro/cryptogams/. +# ==================================================================== +# +# May 2011 +# +# The module implements bn_GF2m_mul_2x2 polynomial multiplication used +# in bn_gf2m.c. It's kind of low-hanging mechanical port from C for +# the time being... Except that it has two code paths: code suitable +# for any x86_64 CPU and PCLMULQDQ one suitable for Westmere and +# later. Improvement varies from one benchmark and µ-arch to another. +# Vanilla code path is at most 20% faster than compiler-generated code +# [not very impressive], while PCLMULQDQ - whole 85%-160% better on +# 163- and 571-bit ECDH benchmarks on Intel CPUs. Keep in mind that +# these coefficients are not ones for bn_GF2m_mul_2x2 itself, as not +# all CPU time is burnt in it... + +$flavour = shift; +$output = shift; +if ($flavour =~ /\./) { $output = $flavour; undef $flavour; } + +$win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/); + +$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; +( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or +( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or +die "can't locate x86_64-xlate.pl"; + +open STDOUT,"| $^X $xlate $flavour $output"; + +($lo,$hi)=("%rax","%rdx"); $a=$lo; +($i0,$i1)=("%rsi","%rdi"); +($t0,$t1)=("%rbx","%rcx"); +($b,$mask)=("%rbp","%r8"); +($a1,$a2,$a4,$a8,$a12,$a48)=map("%r$_",(9..15)); +($R,$Tx)=("%xmm0","%xmm1"); + +$code.=<<___; +.text + +.type _mul_1x1,\@abi-omnipotent +.align 16 +_mul_1x1: + sub \$128+8,%rsp + mov \$-1,$a1 + lea ($a,$a),$i0 + shr \$3,$a1 + lea (,$a,4),$i1 + and $a,$a1 # a1=a&0x1fffffffffffffff + lea (,$a,8),$a8 + sar \$63,$a # broadcast 63rd bit + lea ($a1,$a1),$a2 + sar \$63,$i0 # broadcast 62nd bit + lea (,$a1,4),$a4 + and $b,$a + sar \$63,$i1 # boardcast 61st bit + mov $a,$hi # $a is $lo + shl \$63,$lo + and $b,$i0 + shr \$1,$hi + mov $i0,$t1 + shl \$62,$i0 + and $b,$i1 + shr \$2,$t1 + xor $i0,$lo + mov $i1,$t0 + shl \$61,$i1 + xor $t1,$hi + shr \$3,$t0 + xor $i1,$lo + xor $t0,$hi + + mov $a1,$a12 + movq \$0,0(%rsp) # tab[0]=0 + xor $a2,$a12 # a1^a2 + mov $a1,8(%rsp) # tab[1]=a1 + mov $a4,$a48 + mov $a2,16(%rsp) # tab[2]=a2 + xor $a8,$a48 # a4^a8 + mov $a12,24(%rsp) # tab[3]=a1^a2 + + xor $a4,$a1 + mov $a4,32(%rsp) # tab[4]=a4 + xor $a4,$a2 + mov $a1,40(%rsp) # tab[5]=a1^a4 + xor $a4,$a12 + mov $a2,48(%rsp) # tab[6]=a2^a4 + xor $a48,$a1 # a1^a4^a4^a8=a1^a8 + mov $a12,56(%rsp) # tab[7]=a1^a2^a4 + xor $a48,$a2 # a2^a4^a4^a8=a1^a8 + + mov $a8,64(%rsp) # tab[8]=a8 + xor $a48,$a12 # a1^a2^a4^a4^a8=a1^a2^a8 + mov $a1,72(%rsp) # tab[9]=a1^a8 + xor $a4,$a1 # a1^a8^a4 + mov $a2,80(%rsp) # tab[10]=a2^a8 + xor $a4,$a2 # a2^a8^a4 + mov $a12,88(%rsp) # tab[11]=a1^a2^a8 + + xor $a4,$a12 # a1^a2^a8^a4 + mov $a48,96(%rsp) # tab[12]=a4^a8 + mov $mask,$i0 + mov $a1,104(%rsp) # tab[13]=a1^a4^a8 + and $b,$i0 + mov $a2,112(%rsp) # tab[14]=a2^a4^a8 + shr \$4,$b + mov $a12,120(%rsp) # tab[15]=a1^a2^a4^a8 + mov $mask,$i1 + and $b,$i1 + shr \$4,$b + + movq (%rsp,$i0,8),$R # half of calculations is done in SSE2 + mov $mask,$i0 + and $b,$i0 + shr \$4,$b +___ + for ($n=1;$n<8;$n++) { + $code.=<<___; + mov (%rsp,$i1,8),$t1 + mov $mask,$i1 + mov $t1,$t0 + shl \$`8*$n-4`,$t1 + and $b,$i1 + movq (%rsp,$i0,8),$Tx + shr \$`64-(8*$n-4)`,$t0 + xor $t1,$lo + pslldq \$$n,$Tx + mov $mask,$i0 + shr \$4,$b + xor $t0,$hi + and $b,$i0 + shr \$4,$b + pxor $Tx,$R +___ + } +$code.=<<___; + mov (%rsp,$i1,8),$t1 + mov $t1,$t0 + shl \$`8*$n-4`,$t1 + movq $R,$i0 + shr \$`64-(8*$n-4)`,$t0 + xor $t1,$lo + psrldq \$8,$R + xor $t0,$hi + movq $R,$i1 + xor $i0,$lo + xor $i1,$hi + + add \$128+8,%rsp + ret +.Lend_mul_1x1: +.size _mul_1x1,.-_mul_1x1 +___ + +($rp,$a1,$a0,$b1,$b0) = $win64? ("%rcx","%rdx","%r8", "%r9","%r10") : # Win64 order + ("%rdi","%rsi","%rdx","%rcx","%r8"); # Unix order + +$code.=<<___; +.extern OPENSSL_ia32cap_P +.globl bn_GF2m_mul_2x2 +.type bn_GF2m_mul_2x2,\@abi-omnipotent +.align 16 +bn_GF2m_mul_2x2: + mov OPENSSL_ia32cap_P(%rip),%rax + bt \$33,%rax + jnc .Lvanilla_mul_2x2 + + movq $a1,%xmm0 + movq $b1,%xmm1 + movq $a0,%xmm2 +___ +$code.=<<___ if ($win64); + movq 40(%rsp),%xmm3 +___ +$code.=<<___ if (!$win64); + movq $b0,%xmm3 +___ +$code.=<<___; + movdqa %xmm0,%xmm4 + movdqa %xmm1,%xmm5 + pclmulqdq \$0,%xmm1,%xmm0 # a1·b1 + pxor %xmm2,%xmm4 + pxor %xmm3,%xmm5 + pclmulqdq \$0,%xmm3,%xmm2 # a0·b0 + pclmulqdq \$0,%xmm5,%xmm4 # (a0+a1)·(b0+b1) + xorps %xmm0,%xmm4 + xorps %xmm2,%xmm4 # (a0+a1)·(b0+b1)-a0·b0-a1·b1 + movdqa %xmm4,%xmm5 + pslldq \$8,%xmm4 + psrldq \$8,%xmm5 + pxor %xmm4,%xmm2 + pxor %xmm5,%xmm0 + movdqu %xmm2,0($rp) + movdqu %xmm0,16($rp) + ret + +.align 16 +.Lvanilla_mul_2x2: + lea -8*17(%rsp),%rsp +___ +$code.=<<___ if ($win64); + mov `8*17+40`(%rsp),$b0 + mov %rdi,8*15(%rsp) + mov %rsi,8*16(%rsp) +___ +$code.=<<___; + mov %r14,8*10(%rsp) + mov %r13,8*11(%rsp) + mov %r12,8*12(%rsp) + mov %rbp,8*13(%rsp) + mov %rbx,8*14(%rsp) +.Lbody_mul_2x2: + mov $rp,32(%rsp) # save the arguments + mov $a1,40(%rsp) + mov $a0,48(%rsp) + mov $b1,56(%rsp) + mov $b0,64(%rsp) + + mov \$0xf,$mask + mov $a1,$a + mov $b1,$b + call _mul_1x1 # a1·b1 + mov $lo,16(%rsp) + mov $hi,24(%rsp) + + mov 48(%rsp),$a + mov 64(%rsp),$b + call _mul_1x1 # a0·b0 + mov $lo,0(%rsp) + mov $hi,8(%rsp) + + mov 40(%rsp),$a + mov 56(%rsp),$b + xor 48(%rsp),$a + xor 64(%rsp),$b + call _mul_1x1 # (a0+a1)·(b0+b1) +___ + @r=("%rbx","%rcx","%rdi","%rsi"); +$code.=<<___; + mov 0(%rsp),@r[0] + mov 8(%rsp),@r[1] + mov 16(%rsp),@r[2] + mov 24(%rsp),@r[3] + mov 32(%rsp),%rbp + + xor $hi,$lo + xor @r[1],$hi + xor @r[0],$lo + mov @r[0],0(%rbp) + xor @r[2],$hi + mov @r[3],24(%rbp) + xor @r[3],$lo + xor @r[3],$hi + xor $hi,$lo + mov $hi,16(%rbp) + mov $lo,8(%rbp) + + mov 8*10(%rsp),%r14 + mov 8*11(%rsp),%r13 + mov 8*12(%rsp),%r12 + mov 8*13(%rsp),%rbp + mov 8*14(%rsp),%rbx +___ +$code.=<<___ if ($win64); + mov 8*15(%rsp),%rdi + mov 8*16(%rsp),%rsi +___ +$code.=<<___; + lea 8*17(%rsp),%rsp + ret +.Lend_mul_2x2: +.size bn_GF2m_mul_2x2,.-bn_GF2m_mul_2x2 +.asciz "GF(2^m) Multiplication for x86_64, CRYPTOGAMS by " +.align 16 +___ + +# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame, +# CONTEXT *context,DISPATCHER_CONTEXT *disp) +if ($win64) { +$rec="%rcx"; +$frame="%rdx"; +$context="%r8"; +$disp="%r9"; + +$code.=<<___; +.extern __imp_RtlVirtualUnwind + +.type se_handler,\@abi-omnipotent +.align 16 +se_handler: + push %rsi + push %rdi + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + push %r15 + pushfq + sub \$64,%rsp + + mov 152($context),%rax # pull context->Rsp + mov 248($context),%rbx # pull context->Rip + + lea .Lbody_mul_2x2(%rip),%r10 + cmp %r10,%rbx # context->Rip<"prologue" label + jb .Lin_prologue + + mov 8*10(%rax),%r14 # mimic epilogue + mov 8*11(%rax),%r13 + mov 8*12(%rax),%r12 + mov 8*13(%rax),%rbp + mov 8*14(%rax),%rbx + mov 8*15(%rax),%rdi + mov 8*16(%rax),%rsi + + mov %rbx,144($context) # restore context->Rbx + mov %rbp,160($context) # restore context->Rbp + mov %rsi,168($context) # restore context->Rsi + mov %rdi,176($context) # restore context->Rdi + mov %r12,216($context) # restore context->R12 + mov %r13,224($context) # restore context->R13 + mov %r14,232($context) # restore context->R14 + +.Lin_prologue: + lea 8*17(%rax),%rax + mov %rax,152($context) # restore context->Rsp + + mov 40($disp),%rdi # disp->ContextRecord + mov $context,%rsi # context + mov \$154,%ecx # sizeof(CONTEXT) + .long 0xa548f3fc # cld; rep movsq + + mov $disp,%rsi + xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER + mov 8(%rsi),%rdx # arg2, disp->ImageBase + mov 0(%rsi),%r8 # arg3, disp->ControlPc + mov 16(%rsi),%r9 # arg4, disp->FunctionEntry + mov 40(%rsi),%r10 # disp->ContextRecord + lea 56(%rsi),%r11 # &disp->HandlerData + lea 24(%rsi),%r12 # &disp->EstablisherFrame + mov %r10,32(%rsp) # arg5 + mov %r11,40(%rsp) # arg6 + mov %r12,48(%rsp) # arg7 + mov %rcx,56(%rsp) # arg8, (NULL) + call *__imp_RtlVirtualUnwind(%rip) + + mov \$1,%eax # ExceptionContinueSearch + add \$64,%rsp + popfq + pop %r15 + pop %r14 + pop %r13 + pop %r12 + pop %rbp + pop %rbx + pop %rdi + pop %rsi + ret +.size se_handler,.-se_handler + +.section .pdata +.align 4 + .rva _mul_1x1 + .rva .Lend_mul_1x1 + .rva .LSEH_info_1x1 + + .rva .Lvanilla_mul_2x2 + .rva .Lend_mul_2x2 + .rva .LSEH_info_2x2 +.section .xdata +.align 8 +.LSEH_info_1x1: + .byte 0x01,0x07,0x02,0x00 + .byte 0x07,0x01,0x11,0x00 # sub rsp,128+8 +.LSEH_info_2x2: + .byte 9,0,0,0 + .rva se_handler +___ +} + +$code =~ s/\`([^\`]*)\`/eval($1)/gem; +print $code; +close STDOUT; diff --git a/crypto/bn/asm/x86_64-mont.pl b/crypto/bn/asm/x86_64-mont.pl index 3b7a6f243f..5d79b35e1c 100755 --- a/crypto/bn/asm/x86_64-mont.pl +++ b/crypto/bn/asm/x86_64-mont.pl @@ -1,7 +1,7 @@ #!/usr/bin/env perl # ==================================================================== -# Written by Andy Polyakov for the OpenSSL +# Written by Andy Polyakov for the OpenSSL # project. The module is, however, dual licensed under OpenSSL and # CRYPTOGAMS licenses depending on where you obtain it. For further # details see http://www.openssl.org/~appro/cryptogams/. @@ -15,6 +15,20 @@ # respectful 50%. It remains to be seen if loop unrolling and # dedicated squaring routine can provide further improvement... +# July 2011. +# +# Add dedicated squaring procedure. Performance improvement varies +# from platform to platform, but in average it's ~5%/15%/25%/33% +# for 512-/1024-/2048-/4096-bit RSA *sign* benchmarks respectively. + +# August 2011. +# +# Unroll and modulo-schedule inner loops in such manner that they +# are "fallen through" for input lengths of 8, which is critical for +# 1024-bit RSA *sign*. Average performance improvement in comparison +# to *initial* version of this module from 2005 is ~0%/30%/40%/45% +# for 512-/1024-/2048-/4096-bit RSA *sign* benchmarks respectively. + $flavour = shift; $output = shift; if ($flavour =~ /\./) { $output = $flavour; undef $flavour; } @@ -37,7 +51,6 @@ $n0="%r8"; # const BN_ULONG *n0, $num="%r9"; # int num); $lo0="%r10"; $hi0="%r11"; -$bp="%r12"; # reassign $bp $hi1="%r13"; $i="%r14"; $j="%r15"; @@ -51,6 +64,16 @@ $code=<<___; .type bn_mul_mont,\@function,6 .align 16 bn_mul_mont: + test \$3,${num}d + jnz .Lmul_enter + cmp \$8,${num}d + jb .Lmul_enter + cmp $ap,$bp + jne .Lmul4x_enter + jmp .Lsqr4x_enter + +.align 16 +.Lmul_enter: push %rbx push %rbp push %r12 @@ -66,48 +89,66 @@ bn_mul_mont: and \$-1024,%rsp # minimize TLB usage mov %r11,8(%rsp,$num,8) # tp[num+1]=%rsp -.Lprologue: - mov %rdx,$bp # $bp reassigned, remember? - +.Lmul_body: + mov $bp,%r12 # reassign $bp +___ + $bp="%r12"; +$code.=<<___; mov ($n0),$n0 # pull n0[0] value + mov ($bp),$m0 # m0=bp[0] + mov ($ap),%rax xor $i,$i # i=0 xor $j,$j # j=0 - mov ($bp),$m0 # m0=bp[0] - mov ($ap),%rax + mov $n0,$m1 mulq $m0 # ap[0]*bp[0] mov %rax,$lo0 + mov ($np),%rax + + imulq $lo0,$m1 # "tp[0]"*n0 mov %rdx,$hi0 - imulq $n0,%rax # "tp[0]"*n0 - mov %rax,$m1 - - mulq ($np) # np[0]*m1 - add $lo0,%rax # discarded + mulq $m1 # np[0]*m1 + add %rax,$lo0 # discarded + mov 8($ap),%rax adc \$0,%rdx mov %rdx,$hi1 lea 1($j),$j # j++ + jmp .L1st_enter + +.align 16 .L1st: + add %rax,$hi1 mov ($ap,$j,8),%rax - mulq $m0 # ap[j]*bp[0] - add $hi0,%rax adc \$0,%rdx - mov %rax,$lo0 + add $hi0,$hi1 # np[j]*m1+ap[j]*bp[0] + mov $lo0,$hi0 + adc \$0,%rdx + mov $hi1,-16(%rsp,$j,8) # tp[j-1] + mov %rdx,$hi1 + +.L1st_enter: + mulq $m0 # ap[j]*bp[0] + add %rax,$hi0 mov ($np,$j,8),%rax - mov %rdx,$hi0 + adc \$0,%rdx + lea 1($j),$j # j++ + mov %rdx,$lo0 mulq $m1 # np[j]*m1 - add $hi1,%rax - lea 1($j),$j # j++ - adc \$0,%rdx - add $lo0,%rax # np[j]*m1+ap[j]*bp[0] - adc \$0,%rdx - mov %rax,-16(%rsp,$j,8) # tp[j-1] cmp $num,$j + jne .L1st + + add %rax,$hi1 + mov ($ap),%rax # ap[0] + adc \$0,%rdx + add $hi0,$hi1 # np[j]*m1+ap[j]*bp[0] + adc \$0,%rdx + mov $hi1,-16(%rsp,$j,8) # tp[j-1] mov %rdx,$hi1 - jl .L1st + mov $lo0,$hi0 xor %rdx,%rdx add $hi0,$hi1 @@ -116,50 +157,64 @@ bn_mul_mont: mov %rdx,(%rsp,$num,8) # store upmost overflow bit lea 1($i),$i # i++ -.align 4 + jmp .Louter +.align 16 .Louter: - xor $j,$j # j=0 - mov ($bp,$i,8),$m0 # m0=bp[i] - mov ($ap),%rax # ap[0] + xor $j,$j # j=0 + mov $n0,$m1 + mov (%rsp),$lo0 mulq $m0 # ap[0]*bp[i] - add (%rsp),%rax # ap[0]*bp[i]+tp[0] + add %rax,$lo0 # ap[0]*bp[i]+tp[0] + mov ($np),%rax adc \$0,%rdx - mov %rax,$lo0 + + imulq $lo0,$m1 # tp[0]*n0 mov %rdx,$hi0 - imulq $n0,%rax # tp[0]*n0 - mov %rax,$m1 - - mulq ($np,$j,8) # np[0]*m1 - add $lo0,%rax # discarded - mov 8(%rsp),$lo0 # tp[1] + mulq $m1 # np[0]*m1 + add %rax,$lo0 # discarded + mov 8($ap),%rax adc \$0,%rdx + mov 8(%rsp),$lo0 # tp[1] mov %rdx,$hi1 lea 1($j),$j # j++ -.align 4 + jmp .Linner_enter + +.align 16 .Linner: + add %rax,$hi1 mov ($ap,$j,8),%rax - mulq $m0 # ap[j]*bp[i] - add $hi0,%rax adc \$0,%rdx - add %rax,$lo0 # ap[j]*bp[i]+tp[j] + add $lo0,$hi1 # np[j]*m1+ap[j]*bp[i]+tp[j] + mov (%rsp,$j,8),$lo0 + adc \$0,%rdx + mov $hi1,-16(%rsp,$j,8) # tp[j-1] + mov %rdx,$hi1 + +.Linner_enter: + mulq $m0 # ap[j]*bp[i] + add %rax,$hi0 mov ($np,$j,8),%rax adc \$0,%rdx + add $hi0,$lo0 # ap[j]*bp[i]+tp[j] mov %rdx,$hi0 + adc \$0,$hi0 + lea 1($j),$j # j++ mulq $m1 # np[j]*m1 - add $hi1,%rax - lea 1($j),$j # j++ - adc \$0,%rdx - add $lo0,%rax # np[j]*m1+ap[j]*bp[i]+tp[j] - adc \$0,%rdx - mov (%rsp,$j,8),$lo0 cmp $num,$j - mov %rax,-16(%rsp,$j,8) # tp[j-1] + jne .Linner + + add %rax,$hi1 + mov ($ap),%rax # ap[0] + adc \$0,%rdx + add $lo0,$hi1 # np[j]*m1+ap[j]*bp[i]+tp[j] + mov (%rsp,$j,8),$lo0 + adc \$0,%rdx + mov $hi1,-16(%rsp,$j,8) # tp[j-1] mov %rdx,$hi1 - jl .Linner xor %rdx,%rdx add $hi0,$hi1 @@ -173,34 +228,35 @@ bn_mul_mont: cmp $num,$i jl .Louter - lea (%rsp),$ap # borrow ap for tp - lea -1($num),$j # j=num-1 - - mov ($ap),%rax # tp[0] xor $i,$i # i=0 and clear CF! + mov (%rsp),%rax # tp[0] + lea (%rsp),$ap # borrow ap for tp + mov $num,$j # j=num jmp .Lsub .align 16 .Lsub: sbb ($np,$i,8),%rax mov %rax,($rp,$i,8) # rp[i]=tp[i]-np[i] - dec $j # doesn't affect CF! mov 8($ap,$i,8),%rax # tp[i+1] lea 1($i),$i # i++ - jge .Lsub + dec $j # doesnn't affect CF! + jnz .Lsub sbb \$0,%rax # handle upmost overflow bit + xor $i,$i and %rax,$ap not %rax mov $rp,$np and %rax,$np - lea -1($num),$j + mov $num,$j # j=num or $np,$ap # ap=borrow?tp:rp .align 16 .Lcopy: # copy or in-place refresh - mov ($ap,$j,8),%rax - mov %rax,($rp,$j,8) # rp[i]=tp[i] - mov $i,(%rsp,$j,8) # zap temporary vector - dec $j - jge .Lcopy + mov ($ap,$i,8),%rax + mov $i,(%rsp,$i,8) # zap temporary vector + mov %rax,($rp,$i,8) # rp[i]=tp[i] + lea 1($i),$i + sub \$1,$j + jnz .Lcopy mov 8(%rsp,$num,8),%rsi # restore %rsp mov \$1,%rax @@ -211,9 +267,1236 @@ bn_mul_mont: mov 32(%rsi),%rbp mov 40(%rsi),%rbx lea 48(%rsi),%rsp -.Lepilogue: +.Lmul_epilogue: ret .size bn_mul_mont,.-bn_mul_mont +___ +{{{ +my @A=("%r10","%r11"); +my @N=("%r13","%rdi"); +$code.=<<___; +.type bn_mul4x_mont,\@function,6 +.align 16 +bn_mul4x_mont: +.Lmul4x_enter: + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + push %r15 + + mov ${num}d,${num}d + lea 4($num),%r10 + mov %rsp,%r11 + neg %r10 + lea (%rsp,%r10,8),%rsp # tp=alloca(8*(num+4)) + and \$-1024,%rsp # minimize TLB usage + + mov %r11,8(%rsp,$num,8) # tp[num+1]=%rsp +.Lmul4x_body: + mov $rp,16(%rsp,$num,8) # tp[num+2]=$rp + mov %rdx,%r12 # reassign $bp +___ + $bp="%r12"; +$code.=<<___; + mov ($n0),$n0 # pull n0[0] value + mov ($bp),$m0 # m0=bp[0] + mov ($ap),%rax + + xor $i,$i # i=0 + xor $j,$j # j=0 + + mov $n0,$m1 + mulq $m0 # ap[0]*bp[0] + mov %rax,$A[0] + mov ($np),%rax + + imulq $A[0],$m1 # "tp[0]"*n0 + mov %rdx,$A[1] + + mulq $m1 # np[0]*m1 + add %rax,$A[0] # discarded + mov 8($ap),%rax + adc \$0,%rdx + mov %rdx,$N[1] + + mulq $m0 + add %rax,$A[1] + mov 8($np),%rax + adc \$0,%rdx + mov %rdx,$A[0] + + mulq $m1 + add %rax,$N[1] + mov 16($ap),%rax + adc \$0,%rdx + add $A[1],$N[1] + lea 4($j),$j # j++ + adc \$0,%rdx + mov $N[1],(%rsp) + mov %rdx,$N[0] + jmp .L1st4x +.align 16 +.L1st4x: + mulq $m0 # ap[j]*bp[0] + add %rax,$A[0] + mov -16($np,$j,8),%rax + adc \$0,%rdx + mov %rdx,$A[1] + + mulq $m1 # np[j]*m1 + add %rax,$N[0] + mov -8($ap,$j,8),%rax + adc \$0,%rdx + add $A[0],$N[0] # np[j]*m1+ap[j]*bp[0] + adc \$0,%rdx + mov $N[0],-24(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[1] + + mulq $m0 # ap[j]*bp[0] + add %rax,$A[1] + mov -8($np,$j,8),%rax + adc \$0,%rdx + mov %rdx,$A[0] + + mulq $m1 # np[j]*m1 + add %rax,$N[1] + mov ($ap,$j,8),%rax + adc \$0,%rdx + add $A[1],$N[1] # np[j]*m1+ap[j]*bp[0] + adc \$0,%rdx + mov $N[1],-16(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[0] + + mulq $m0 # ap[j]*bp[0] + add %rax,$A[0] + mov ($np,$j,8),%rax + adc \$0,%rdx + mov %rdx,$A[1] + + mulq $m1 # np[j]*m1 + add %rax,$N[0] + mov 8($ap,$j,8),%rax + adc \$0,%rdx + add $A[0],$N[0] # np[j]*m1+ap[j]*bp[0] + adc \$0,%rdx + mov $N[0],-8(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[1] + + mulq $m0 # ap[j]*bp[0] + add %rax,$A[1] + mov 8($np,$j,8),%rax + adc \$0,%rdx + lea 4($j),$j # j++ + mov %rdx,$A[0] + + mulq $m1 # np[j]*m1 + add %rax,$N[1] + mov -16($ap,$j,8),%rax + adc \$0,%rdx + add $A[1],$N[1] # np[j]*m1+ap[j]*bp[0] + adc \$0,%rdx + mov $N[1],-32(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[0] + cmp $num,$j + jl .L1st4x + + mulq $m0 # ap[j]*bp[0] + add %rax,$A[0] + mov -16($np,$j,8),%rax + adc \$0,%rdx + mov %rdx,$A[1] + + mulq $m1 # np[j]*m1 + add %rax,$N[0] + mov -8($ap,$j,8),%rax + adc \$0,%rdx + add $A[0],$N[0] # np[j]*m1+ap[j]*bp[0] + adc \$0,%rdx + mov $N[0],-24(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[1] + + mulq $m0 # ap[j]*bp[0] + add %rax,$A[1] + mov -8($np,$j,8),%rax + adc \$0,%rdx + mov %rdx,$A[0] + + mulq $m1 # np[j]*m1 + add %rax,$N[1] + mov ($ap),%rax # ap[0] + adc \$0,%rdx + add $A[1],$N[1] # np[j]*m1+ap[j]*bp[0] + adc \$0,%rdx + mov $N[1],-16(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[0] + + xor $N[1],$N[1] + add $A[0],$N[0] + adc \$0,$N[1] + mov $N[0],-8(%rsp,$j,8) + mov $N[1],(%rsp,$j,8) # store upmost overflow bit + + lea 1($i),$i # i++ +.align 4 +.Louter4x: + mov ($bp,$i,8),$m0 # m0=bp[i] + xor $j,$j # j=0 + mov (%rsp),$A[0] + mov $n0,$m1 + mulq $m0 # ap[0]*bp[i] + add %rax,$A[0] # ap[0]*bp[i]+tp[0] + mov ($np),%rax + adc \$0,%rdx + + imulq $A[0],$m1 # tp[0]*n0 + mov %rdx,$A[1] + + mulq $m1 # np[0]*m1 + add %rax,$A[0] # "$N[0]", discarded + mov 8($ap),%rax + adc \$0,%rdx + mov %rdx,$N[1] + + mulq $m0 # ap[j]*bp[i] + add %rax,$A[1] + mov 8($np),%rax + adc \$0,%rdx + add 8(%rsp),$A[1] # +tp[1] + adc \$0,%rdx + mov %rdx,$A[0] + + mulq $m1 # np[j]*m1 + add %rax,$N[1] + mov 16($ap),%rax + adc \$0,%rdx + add $A[1],$N[1] # np[j]*m1+ap[j]*bp[i]+tp[j] + lea 4($j),$j # j+=2 + adc \$0,%rdx + mov $N[1],(%rsp) # tp[j-1] + mov %rdx,$N[0] + jmp .Linner4x +.align 16 +.Linner4x: + mulq $m0 # ap[j]*bp[i] + add %rax,$A[0] + mov -16($np,$j,8),%rax + adc \$0,%rdx + add -16(%rsp,$j,8),$A[0] # ap[j]*bp[i]+tp[j] + adc \$0,%rdx + mov %rdx,$A[1] + + mulq $m1 # np[j]*m1 + add %rax,$N[0] + mov -8($ap,$j,8),%rax + adc \$0,%rdx + add $A[0],$N[0] + adc \$0,%rdx + mov $N[0],-24(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[1] + + mulq $m0 # ap[j]*bp[i] + add %rax,$A[1] + mov -8($np,$j,8),%rax + adc \$0,%rdx + add -8(%rsp,$j,8),$A[1] + adc \$0,%rdx + mov %rdx,$A[0] + + mulq $m1 # np[j]*m1 + add %rax,$N[1] + mov ($ap,$j,8),%rax + adc \$0,%rdx + add $A[1],$N[1] + adc \$0,%rdx + mov $N[1],-16(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[0] + + mulq $m0 # ap[j]*bp[i] + add %rax,$A[0] + mov ($np,$j,8),%rax + adc \$0,%rdx + add (%rsp,$j,8),$A[0] # ap[j]*bp[i]+tp[j] + adc \$0,%rdx + mov %rdx,$A[1] + + mulq $m1 # np[j]*m1 + add %rax,$N[0] + mov 8($ap,$j,8),%rax + adc \$0,%rdx + add $A[0],$N[0] + adc \$0,%rdx + mov $N[0],-8(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[1] + + mulq $m0 # ap[j]*bp[i] + add %rax,$A[1] + mov 8($np,$j,8),%rax + adc \$0,%rdx + add 8(%rsp,$j,8),$A[1] + adc \$0,%rdx + lea 4($j),$j # j++ + mov %rdx,$A[0] + + mulq $m1 # np[j]*m1 + add %rax,$N[1] + mov -16($ap,$j,8),%rax + adc \$0,%rdx + add $A[1],$N[1] + adc \$0,%rdx + mov $N[1],-32(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[0] + cmp $num,$j + jl .Linner4x + + mulq $m0 # ap[j]*bp[i] + add %rax,$A[0] + mov -16($np,$j,8),%rax + adc \$0,%rdx + add -16(%rsp,$j,8),$A[0] # ap[j]*bp[i]+tp[j] + adc \$0,%rdx + mov %rdx,$A[1] + + mulq $m1 # np[j]*m1 + add %rax,$N[0] + mov -8($ap,$j,8),%rax + adc \$0,%rdx + add $A[0],$N[0] + adc \$0,%rdx + mov $N[0],-24(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[1] + + mulq $m0 # ap[j]*bp[i] + add %rax,$A[1] + mov -8($np,$j,8),%rax + adc \$0,%rdx + add -8(%rsp,$j,8),$A[1] + adc \$0,%rdx + lea 1($i),$i # i++ + mov %rdx,$A[0] + + mulq $m1 # np[j]*m1 + add %rax,$N[1] + mov ($ap),%rax # ap[0] + adc \$0,%rdx + add $A[1],$N[1] + adc \$0,%rdx + mov $N[1],-16(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[0] + + xor $N[1],$N[1] + add $A[0],$N[0] + adc \$0,$N[1] + add (%rsp,$num,8),$N[0] # pull upmost overflow bit + adc \$0,$N[1] + mov $N[0],-8(%rsp,$j,8) + mov $N[1],(%rsp,$j,8) # store upmost overflow bit + + cmp $num,$i + jl .Louter4x +___ +{ +my @ri=("%rax","%rdx",$m0,$m1); +$code.=<<___; + mov 16(%rsp,$num,8),$rp # restore $rp + mov 0(%rsp),@ri[0] # tp[0] + pxor %xmm0,%xmm0 + mov 8(%rsp),@ri[1] # tp[1] + shr \$2,$num # num/=4 + lea (%rsp),$ap # borrow ap for tp + xor $i,$i # i=0 and clear CF! + + sub 0($np),@ri[0] + mov 16($ap),@ri[2] # tp[2] + mov 24($ap),@ri[3] # tp[3] + sbb 8($np),@ri[1] + lea -1($num),$j # j=num/4-1 + jmp .Lsub4x +.align 16 +.Lsub4x: + mov @ri[0],0($rp,$i,8) # rp[i]=tp[i]-np[i] + mov @ri[1],8($rp,$i,8) # rp[i]=tp[i]-np[i] + sbb 16($np,$i,8),@ri[2] + mov 32($ap,$i,8),@ri[0] # tp[i+1] + mov 40($ap,$i,8),@ri[1] + sbb 24($np,$i,8),@ri[3] + mov @ri[2],16($rp,$i,8) # rp[i]=tp[i]-np[i] + mov @ri[3],24($rp,$i,8) # rp[i]=tp[i]-np[i] + sbb 32($np,$i,8),@ri[0] + mov 48($ap,$i,8),@ri[2] + mov 56($ap,$i,8),@ri[3] + sbb 40($np,$i,8),@ri[1] + lea 4($i),$i # i++ + dec $j # doesnn't affect CF! + jnz .Lsub4x + + mov @ri[0],0($rp,$i,8) # rp[i]=tp[i]-np[i] + mov 32($ap,$i,8),@ri[0] # load overflow bit + sbb 16($np,$i,8),@ri[2] + mov @ri[1],8($rp,$i,8) # rp[i]=tp[i]-np[i] + sbb 24($np,$i,8),@ri[3] + mov @ri[2],16($rp,$i,8) # rp[i]=tp[i]-np[i] + + sbb \$0,@ri[0] # handle upmost overflow bit + mov @ri[3],24($rp,$i,8) # rp[i]=tp[i]-np[i] + xor $i,$i # i=0 + and @ri[0],$ap + not @ri[0] + mov $rp,$np + and @ri[0],$np + lea -1($num),$j + or $np,$ap # ap=borrow?tp:rp + + movdqu ($ap),%xmm1 + movdqa %xmm0,(%rsp) + movdqu %xmm1,($rp) + jmp .Lcopy4x +.align 16 +.Lcopy4x: # copy or in-place refresh + movdqu 16($ap,$i),%xmm2 + movdqu 32($ap,$i),%xmm1 + movdqa %xmm0,16(%rsp,$i) + movdqu %xmm2,16($rp,$i) + movdqa %xmm0,32(%rsp,$i) + movdqu %xmm1,32($rp,$i) + lea 32($i),$i + dec $j + jnz .Lcopy4x + + shl \$2,$num + movdqu 16($ap,$i),%xmm2 + movdqa %xmm0,16(%rsp,$i) + movdqu %xmm2,16($rp,$i) +___ +} +$code.=<<___; + mov 8(%rsp,$num,8),%rsi # restore %rsp + mov \$1,%rax + mov (%rsi),%r15 + mov 8(%rsi),%r14 + mov 16(%rsi),%r13 + mov 24(%rsi),%r12 + mov 32(%rsi),%rbp + mov 40(%rsi),%rbx + lea 48(%rsi),%rsp +.Lmul4x_epilogue: + ret +.size bn_mul4x_mont,.-bn_mul4x_mont +___ +}}} + {{{ +###################################################################### +# void bn_sqr4x_mont( +my $rptr="%rdi"; # const BN_ULONG *rptr, +my $aptr="%rsi"; # const BN_ULONG *aptr, +my $bptr="%rdx"; # not used +my $nptr="%rcx"; # const BN_ULONG *nptr, +my $n0 ="%r8"; # const BN_ULONG *n0); +my $num ="%r9"; # int num, has to be divisible by 4 and + # not less than 8 + +my ($i,$j,$tptr)=("%rbp","%rcx",$rptr); +my @A0=("%r10","%r11"); +my @A1=("%r12","%r13"); +my ($a0,$a1,$ai)=("%r14","%r15","%rbx"); + +$code.=<<___; +.type bn_sqr4x_mont,\@function,6 +.align 16 +bn_sqr4x_mont: +.Lsqr4x_enter: + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + push %r15 + + shl \$3,${num}d # convert $num to bytes + xor %r10,%r10 + mov %rsp,%r11 # put aside %rsp + sub $num,%r10 # -$num + mov ($n0),$n0 # *n0 + lea -72(%rsp,%r10,2),%rsp # alloca(frame+2*$num) + and \$-1024,%rsp # minimize TLB usage + ############################################################## + # Stack layout + # + # +0 saved $num, used in reduction section + # +8 &t[2*$num], used in reduction section + # +32 saved $rptr + # +40 saved $nptr + # +48 saved *n0 + # +56 saved %rsp + # +64 t[2*$num] + # + mov $rptr,32(%rsp) # save $rptr + mov $nptr,40(%rsp) + mov $n0, 48(%rsp) + mov %r11, 56(%rsp) # save original %rsp +.Lsqr4x_body: + ############################################################## + # Squaring part: + # + # a) multiply-n-add everything but a[i]*a[i]; + # b) shift result of a) by 1 to the left and accumulate + # a[i]*a[i] products; + # + lea 32(%r10),$i # $i=-($num-32) + lea ($aptr,$num),$aptr # end of a[] buffer, ($aptr,$i)=&ap[2] + + mov $num,$j # $j=$num + + # comments apply to $num==8 case + mov -32($aptr,$i),$a0 # a[0] + lea 64(%rsp,$num,2),$tptr # end of tp[] buffer, &tp[2*$num] + mov -24($aptr,$i),%rax # a[1] + lea -32($tptr,$i),$tptr # end of tp[] window, &tp[2*$num-"$i"] + mov -16($aptr,$i),$ai # a[2] + mov %rax,$a1 + + mul $a0 # a[1]*a[0] + mov %rax,$A0[0] # a[1]*a[0] + mov $ai,%rax # a[2] + mov %rdx,$A0[1] + mov $A0[0],-24($tptr,$i) # t[1] + + xor $A0[0],$A0[0] + mul $a0 # a[2]*a[0] + add %rax,$A0[1] + mov $ai,%rax + adc %rdx,$A0[0] + mov $A0[1],-16($tptr,$i) # t[2] + + lea -16($i),$j # j=-16 + + + mov 8($aptr,$j),$ai # a[3] + mul $a1 # a[2]*a[1] + mov %rax,$A1[0] # a[2]*a[1]+t[3] + mov $ai,%rax + mov %rdx,$A1[1] + + xor $A0[1],$A0[1] + add $A1[0],$A0[0] + lea 16($j),$j + adc \$0,$A0[1] + mul $a0 # a[3]*a[0] + add %rax,$A0[0] # a[3]*a[0]+a[2]*a[1]+t[3] + mov $ai,%rax + adc %rdx,$A0[1] + mov $A0[0],-8($tptr,$j) # t[3] + jmp .Lsqr4x_1st + +.align 16 +.Lsqr4x_1st: + mov ($aptr,$j),$ai # a[4] + xor $A1[0],$A1[0] + mul $a1 # a[3]*a[1] + add %rax,$A1[1] # a[3]*a[1]+t[4] + mov $ai,%rax + adc %rdx,$A1[0] + + xor $A0[0],$A0[0] + add $A1[1],$A0[1] + adc \$0,$A0[0] + mul $a0 # a[4]*a[0] + add %rax,$A0[1] # a[4]*a[0]+a[3]*a[1]+t[4] + mov $ai,%rax # a[3] + adc %rdx,$A0[0] + mov $A0[1],($tptr,$j) # t[4] + + + mov 8($aptr,$j),$ai # a[5] + xor $A1[1],$A1[1] + mul $a1 # a[4]*a[3] + add %rax,$A1[0] # a[4]*a[3]+t[5] + mov $ai,%rax + adc %rdx,$A1[1] + + xor $A0[1],$A0[1] + add $A1[0],$A0[0] + adc \$0,$A0[1] + mul $a0 # a[5]*a[2] + add %rax,$A0[0] # a[5]*a[2]+a[4]*a[3]+t[5] + mov $ai,%rax + adc %rdx,$A0[1] + mov $A0[0],8($tptr,$j) # t[5] + + mov 16($aptr,$j),$ai # a[6] + xor $A1[0],$A1[0] + mul $a1 # a[5]*a[3] + add %rax,$A1[1] # a[5]*a[3]+t[6] + mov $ai,%rax + adc %rdx,$A1[0] + + xor $A0[0],$A0[0] + add $A1[1],$A0[1] + adc \$0,$A0[0] + mul $a0 # a[6]*a[2] + add %rax,$A0[1] # a[6]*a[2]+a[5]*a[3]+t[6] + mov $ai,%rax # a[3] + adc %rdx,$A0[0] + mov $A0[1],16($tptr,$j) # t[6] + + + mov 24($aptr,$j),$ai # a[7] + xor $A1[1],$A1[1] + mul $a1 # a[6]*a[5] + add %rax,$A1[0] # a[6]*a[5]+t[7] + mov $ai,%rax + adc %rdx,$A1[1] + + xor $A0[1],$A0[1] + add $A1[0],$A0[0] + lea 32($j),$j + adc \$0,$A0[1] + mul $a0 # a[7]*a[4] + add %rax,$A0[0] # a[7]*a[4]+a[6]*a[5]+t[6] + mov $ai,%rax + adc %rdx,$A0[1] + mov $A0[0],-8($tptr,$j) # t[7] + + cmp \$0,$j + jne .Lsqr4x_1st + + xor $A1[0],$A1[0] + add $A0[1],$A1[1] + adc \$0,$A1[0] + mul $a1 # a[7]*a[5] + add %rax,$A1[1] + adc %rdx,$A1[0] + + mov $A1[1],($tptr) # t[8] + lea 16($i),$i + mov $A1[0],8($tptr) # t[9] + jmp .Lsqr4x_outer + +.align 16 +.Lsqr4x_outer: # comments apply to $num==6 case + mov -32($aptr,$i),$a0 # a[0] + lea 64(%rsp,$num,2),$tptr # end of tp[] buffer, &tp[2*$num] + mov -24($aptr,$i),%rax # a[1] + lea -32($tptr,$i),$tptr # end of tp[] window, &tp[2*$num-"$i"] + mov -16($aptr,$i),$ai # a[2] + mov %rax,$a1 + + mov -24($tptr,$i),$A0[0] # t[1] + xor $A0[1],$A0[1] + mul $a0 # a[1]*a[0] + add %rax,$A0[0] # a[1]*a[0]+t[1] + mov $ai,%rax # a[2] + adc %rdx,$A0[1] + mov $A0[0],-24($tptr,$i) # t[1] + + xor $A0[0],$A0[0] + add -16($tptr,$i),$A0[1] # a[2]*a[0]+t[2] + adc \$0,$A0[0] + mul $a0 # a[2]*a[0] + add %rax,$A0[1] + mov $ai,%rax + adc %rdx,$A0[0] + mov $A0[1],-16($tptr,$i) # t[2] + + lea -16($i),$j # j=-16 + xor $A1[0],$A1[0] + + + mov 8($aptr,$j),$ai # a[3] + xor $A1[1],$A1[1] + add 8($tptr,$j),$A1[0] + adc \$0,$A1[1] + mul $a1 # a[2]*a[1] + add %rax,$A1[0] # a[2]*a[1]+t[3] + mov $ai,%rax + adc %rdx,$A1[1] + + xor $A0[1],$A0[1] + add $A1[0],$A0[0] + adc \$0,$A0[1] + mul $a0 # a[3]*a[0] + add %rax,$A0[0] # a[3]*a[0]+a[2]*a[1]+t[3] + mov $ai,%rax + adc %rdx,$A0[1] + mov $A0[0],8($tptr,$j) # t[3] + + lea 16($j),$j + jmp .Lsqr4x_inner + +.align 16 +.Lsqr4x_inner: + mov ($aptr,$j),$ai # a[4] + xor $A1[0],$A1[0] + add ($tptr,$j),$A1[1] + adc \$0,$A1[0] + mul $a1 # a[3]*a[1] + add %rax,$A1[1] # a[3]*a[1]+t[4] + mov $ai,%rax + adc %rdx,$A1[0] + + xor $A0[0],$A0[0] + add $A1[1],$A0[1] + adc \$0,$A0[0] + mul $a0 # a[4]*a[0] + add %rax,$A0[1] # a[4]*a[0]+a[3]*a[1]+t[4] + mov $ai,%rax # a[3] + adc %rdx,$A0[0] + mov $A0[1],($tptr,$j) # t[4] + + mov 8($aptr,$j),$ai # a[5] + xor $A1[1],$A1[1] + add 8($tptr,$j),$A1[0] + adc \$0,$A1[1] + mul $a1 # a[4]*a[3] + add %rax,$A1[0] # a[4]*a[3]+t[5] + mov $ai,%rax + adc %rdx,$A1[1] + + xor $A0[1],$A0[1] + add $A1[0],$A0[0] + lea 16($j),$j # j++ + adc \$0,$A0[1] + mul $a0 # a[5]*a[2] + add %rax,$A0[0] # a[5]*a[2]+a[4]*a[3]+t[5] + mov $ai,%rax + adc %rdx,$A0[1] + mov $A0[0],-8($tptr,$j) # t[5], "preloaded t[1]" below + + cmp \$0,$j + jne .Lsqr4x_inner + + xor $A1[0],$A1[0] + add $A0[1],$A1[1] + adc \$0,$A1[0] + mul $a1 # a[5]*a[3] + add %rax,$A1[1] + adc %rdx,$A1[0] + + mov $A1[1],($tptr) # t[6], "preloaded t[2]" below + mov $A1[0],8($tptr) # t[7], "preloaded t[3]" below + + add \$16,$i + jnz .Lsqr4x_outer + + # comments apply to $num==4 case + mov -32($aptr),$a0 # a[0] + lea 64(%rsp,$num,2),$tptr # end of tp[] buffer, &tp[2*$num] + mov -24($aptr),%rax # a[1] + lea -32($tptr,$i),$tptr # end of tp[] window, &tp[2*$num-"$i"] + mov -16($aptr),$ai # a[2] + mov %rax,$a1 + + xor $A0[1],$A0[1] + mul $a0 # a[1]*a[0] + add %rax,$A0[0] # a[1]*a[0]+t[1], preloaded t[1] + mov $ai,%rax # a[2] + adc %rdx,$A0[1] + mov $A0[0],-24($tptr) # t[1] + + xor $A0[0],$A0[0] + add $A1[1],$A0[1] # a[2]*a[0]+t[2], preloaded t[2] + adc \$0,$A0[0] + mul $a0 # a[2]*a[0] + add %rax,$A0[1] + mov $ai,%rax + adc %rdx,$A0[0] + mov $A0[1],-16($tptr) # t[2] + + mov -8($aptr),$ai # a[3] + mul $a1 # a[2]*a[1] + add %rax,$A1[0] # a[2]*a[1]+t[3], preloaded t[3] + mov $ai,%rax + adc \$0,%rdx + + xor $A0[1],$A0[1] + add $A1[0],$A0[0] + mov %rdx,$A1[1] + adc \$0,$A0[1] + mul $a0 # a[3]*a[0] + add %rax,$A0[0] # a[3]*a[0]+a[2]*a[1]+t[3] + mov $ai,%rax + adc %rdx,$A0[1] + mov $A0[0],-8($tptr) # t[3] + + xor $A1[0],$A1[0] + add $A0[1],$A1[1] + adc \$0,$A1[0] + mul $a1 # a[3]*a[1] + add %rax,$A1[1] + mov -16($aptr),%rax # a[2] + adc %rdx,$A1[0] + + mov $A1[1],($tptr) # t[4] + mov $A1[0],8($tptr) # t[5] + + mul $ai # a[2]*a[3] +___ +{ +my ($shift,$carry)=($a0,$a1); +my @S=(@A1,$ai,$n0); +$code.=<<___; + add \$16,$i + xor $shift,$shift + sub $num,$i # $i=16-$num + xor $carry,$carry + + add $A1[0],%rax # t[5] + adc \$0,%rdx + mov %rax,8($tptr) # t[5] + mov %rdx,16($tptr) # t[6] + mov $carry,24($tptr) # t[7] + + mov -16($aptr,$i),%rax # a[0] + lea 64(%rsp,$num,2),$tptr + xor $A0[0],$A0[0] # t[0] + mov -24($tptr,$i,2),$A0[1] # t[1] + + lea ($shift,$A0[0],2),$S[0] # t[2*i]<<1 | shift + shr \$63,$A0[0] + lea ($j,$A0[1],2),$S[1] # t[2*i+1]<<1 | + shr \$63,$A0[1] + or $A0[0],$S[1] # | t[2*i]>>63 + mov -16($tptr,$i,2),$A0[0] # t[2*i+2] # prefetch + mov $A0[1],$shift # shift=t[2*i+1]>>63 + mul %rax # a[i]*a[i] + neg $carry # mov $carry,cf + mov -8($tptr,$i,2),$A0[1] # t[2*i+2+1] # prefetch + adc %rax,$S[0] + mov -8($aptr,$i),%rax # a[i+1] # prefetch + mov $S[0],-32($tptr,$i,2) + adc %rdx,$S[1] + + lea ($shift,$A0[0],2),$S[2] # t[2*i]<<1 | shift + mov $S[1],-24($tptr,$i,2) + sbb $carry,$carry # mov cf,$carry + shr \$63,$A0[0] + lea ($j,$A0[1],2),$S[3] # t[2*i+1]<<1 | + shr \$63,$A0[1] + or $A0[0],$S[3] # | t[2*i]>>63 + mov 0($tptr,$i,2),$A0[0] # t[2*i+2] # prefetch + mov $A0[1],$shift # shift=t[2*i+1]>>63 + mul %rax # a[i]*a[i] + neg $carry # mov $carry,cf + mov 8($tptr,$i,2),$A0[1] # t[2*i+2+1] # prefetch + adc %rax,$S[2] + mov 0($aptr,$i),%rax # a[i+1] # prefetch + mov $S[2],-16($tptr,$i,2) + adc %rdx,$S[3] + lea 16($i),$i + mov $S[3],-40($tptr,$i,2) + sbb $carry,$carry # mov cf,$carry + jmp .Lsqr4x_shift_n_add + +.align 16 +.Lsqr4x_shift_n_add: + lea ($shift,$A0[0],2),$S[0] # t[2*i]<<1 | shift + shr \$63,$A0[0] + lea ($j,$A0[1],2),$S[1] # t[2*i+1]<<1 | + shr \$63,$A0[1] + or $A0[0],$S[1] # | t[2*i]>>63 + mov -16($tptr,$i,2),$A0[0] # t[2*i+2] # prefetch + mov $A0[1],$shift # shift=t[2*i+1]>>63 + mul %rax # a[i]*a[i] + neg $carry # mov $carry,cf + mov -8($tptr,$i,2),$A0[1] # t[2*i+2+1] # prefetch + adc %rax,$S[0] + mov -8($aptr,$i),%rax # a[i+1] # prefetch + mov $S[0],-32($tptr,$i,2) + adc %rdx,$S[1] + + lea ($shift,$A0[0],2),$S[2] # t[2*i]<<1 | shift + mov $S[1],-24($tptr,$i,2) + sbb $carry,$carry # mov cf,$carry + shr \$63,$A0[0] + lea ($j,$A0[1],2),$S[3] # t[2*i+1]<<1 | + shr \$63,$A0[1] + or $A0[0],$S[3] # | t[2*i]>>63 + mov 0($tptr,$i,2),$A0[0] # t[2*i+2] # prefetch + mov $A0[1],$shift # shift=t[2*i+1]>>63 + mul %rax # a[i]*a[i] + neg $carry # mov $carry,cf + mov 8($tptr,$i,2),$A0[1] # t[2*i+2+1] # prefetch + adc %rax,$S[2] + mov 0($aptr,$i),%rax # a[i+1] # prefetch + mov $S[2],-16($tptr,$i,2) + adc %rdx,$S[3] + + lea ($shift,$A0[0],2),$S[0] # t[2*i]<<1 | shift + mov $S[3],-8($tptr,$i,2) + sbb $carry,$carry # mov cf,$carry + shr \$63,$A0[0] + lea ($j,$A0[1],2),$S[1] # t[2*i+1]<<1 | + shr \$63,$A0[1] + or $A0[0],$S[1] # | t[2*i]>>63 + mov 16($tptr,$i,2),$A0[0] # t[2*i+2] # prefetch + mov $A0[1],$shift # shift=t[2*i+1]>>63 + mul %rax # a[i]*a[i] + neg $carry # mov $carry,cf + mov 24($tptr,$i,2),$A0[1] # t[2*i+2+1] # prefetch + adc %rax,$S[0] + mov 8($aptr,$i),%rax # a[i+1] # prefetch + mov $S[0],0($tptr,$i,2) + adc %rdx,$S[1] + + lea ($shift,$A0[0],2),$S[2] # t[2*i]<<1 | shift + mov $S[1],8($tptr,$i,2) + sbb $carry,$carry # mov cf,$carry + shr \$63,$A0[0] + lea ($j,$A0[1],2),$S[3] # t[2*i+1]<<1 | + shr \$63,$A0[1] + or $A0[0],$S[3] # | t[2*i]>>63 + mov 32($tptr,$i,2),$A0[0] # t[2*i+2] # prefetch + mov $A0[1],$shift # shift=t[2*i+1]>>63 + mul %rax # a[i]*a[i] + neg $carry # mov $carry,cf + mov 40($tptr,$i,2),$A0[1] # t[2*i+2+1] # prefetch + adc %rax,$S[2] + mov 16($aptr,$i),%rax # a[i+1] # prefetch + mov $S[2],16($tptr,$i,2) + adc %rdx,$S[3] + mov $S[3],24($tptr,$i,2) + sbb $carry,$carry # mov cf,$carry + add \$32,$i + jnz .Lsqr4x_shift_n_add + + lea ($shift,$A0[0],2),$S[0] # t[2*i]<<1 | shift + shr \$63,$A0[0] + lea ($j,$A0[1],2),$S[1] # t[2*i+1]<<1 | + shr \$63,$A0[1] + or $A0[0],$S[1] # | t[2*i]>>63 + mov -16($tptr),$A0[0] # t[2*i+2] # prefetch + mov $A0[1],$shift # shift=t[2*i+1]>>63 + mul %rax # a[i]*a[i] + neg $carry # mov $carry,cf + mov -8($tptr),$A0[1] # t[2*i+2+1] # prefetch + adc %rax,$S[0] + mov -8($aptr),%rax # a[i+1] # prefetch + mov $S[0],-32($tptr) + adc %rdx,$S[1] + + lea ($shift,$A0[0],2),$S[2] # t[2*i]<<1|shift + mov $S[1],-24($tptr) + sbb $carry,$carry # mov cf,$carry + shr \$63,$A0[0] + lea ($j,$A0[1],2),$S[3] # t[2*i+1]<<1 | + shr \$63,$A0[1] + or $A0[0],$S[3] # | t[2*i]>>63 + mul %rax # a[i]*a[i] + neg $carry # mov $carry,cf + adc %rax,$S[2] + adc %rdx,$S[3] + mov $S[2],-16($tptr) + mov $S[3],-8($tptr) +___ +} +############################################################## +# Montgomery reduction part, "word-by-word" algorithm. +# +{ +my ($topbit,$nptr)=("%rbp",$aptr); +my ($m0,$m1)=($a0,$a1); +my @Ni=("%rbx","%r9"); +$code.=<<___; + mov 40(%rsp),$nptr # restore $nptr + mov 48(%rsp),$n0 # restore *n0 + xor $j,$j + mov $num,0(%rsp) # save $num + sub $num,$j # $j=-$num + mov 64(%rsp),$A0[0] # t[0] # modsched # + mov $n0,$m0 # # modsched # + lea 64(%rsp,$num,2),%rax # end of t[] buffer + lea 64(%rsp,$num),$tptr # end of t[] window + mov %rax,8(%rsp) # save end of t[] buffer + lea ($nptr,$num),$nptr # end of n[] buffer + xor $topbit,$topbit # $topbit=0 + + mov 0($nptr,$j),%rax # n[0] # modsched # + mov 8($nptr,$j),$Ni[1] # n[1] # modsched # + imulq $A0[0],$m0 # m0=t[0]*n0 # modsched # + mov %rax,$Ni[0] # # modsched # + jmp .Lsqr4x_mont_outer + +.align 16 +.Lsqr4x_mont_outer: + xor $A0[1],$A0[1] + mul $m0 # n[0]*m0 + add %rax,$A0[0] # n[0]*m0+t[0] + mov $Ni[1],%rax + adc %rdx,$A0[1] + mov $n0,$m1 + + xor $A0[0],$A0[0] + add 8($tptr,$j),$A0[1] + adc \$0,$A0[0] + mul $m0 # n[1]*m0 + add %rax,$A0[1] # n[1]*m0+t[1] + mov $Ni[0],%rax + adc %rdx,$A0[0] + + imulq $A0[1],$m1 + + mov 16($nptr,$j),$Ni[0] # n[2] + xor $A1[1],$A1[1] + add $A0[1],$A1[0] + adc \$0,$A1[1] + mul $m1 # n[0]*m1 + add %rax,$A1[0] # n[0]*m1+"t[1]" + mov $Ni[0],%rax + adc %rdx,$A1[1] + mov $A1[0],8($tptr,$j) # "t[1]" + + xor $A0[1],$A0[1] + add 16($tptr,$j),$A0[0] + adc \$0,$A0[1] + mul $m0 # n[2]*m0 + add %rax,$A0[0] # n[2]*m0+t[2] + mov $Ni[1],%rax + adc %rdx,$A0[1] + + mov 24($nptr,$j),$Ni[1] # n[3] + xor $A1[0],$A1[0] + add $A0[0],$A1[1] + adc \$0,$A1[0] + mul $m1 # n[1]*m1 + add %rax,$A1[1] # n[1]*m1+"t[2]" + mov $Ni[1],%rax + adc %rdx,$A1[0] + mov $A1[1],16($tptr,$j) # "t[2]" + + xor $A0[0],$A0[0] + add 24($tptr,$j),$A0[1] + lea 32($j),$j + adc \$0,$A0[0] + mul $m0 # n[3]*m0 + add %rax,$A0[1] # n[3]*m0+t[3] + mov $Ni[0],%rax + adc %rdx,$A0[0] + jmp .Lsqr4x_mont_inner + +.align 16 +.Lsqr4x_mont_inner: + mov ($nptr,$j),$Ni[0] # n[4] + xor $A1[1],$A1[1] + add $A0[1],$A1[0] + adc \$0,$A1[1] + mul $m1 # n[2]*m1 + add %rax,$A1[0] # n[2]*m1+"t[3]" + mov $Ni[0],%rax + adc %rdx,$A1[1] + mov $A1[0],-8($tptr,$j) # "t[3]" + + xor $A0[1],$A0[1] + add ($tptr,$j),$A0[0] + adc \$0,$A0[1] + mul $m0 # n[4]*m0 + add %rax,$A0[0] # n[4]*m0+t[4] + mov $Ni[1],%rax + adc %rdx,$A0[1] + + mov 8($nptr,$j),$Ni[1] # n[5] + xor $A1[0],$A1[0] + add $A0[0],$A1[1] + adc \$0,$A1[0] + mul $m1 # n[3]*m1 + add %rax,$A1[1] # n[3]*m1+"t[4]" + mov $Ni[1],%rax + adc %rdx,$A1[0] + mov $A1[1],($tptr,$j) # "t[4]" + + xor $A0[0],$A0[0] + add 8($tptr,$j),$A0[1] + adc \$0,$A0[0] + mul $m0 # n[5]*m0 + add %rax,$A0[1] # n[5]*m0+t[5] + mov $Ni[0],%rax + adc %rdx,$A0[0] + + + mov 16($nptr,$j),$Ni[0] # n[6] + xor $A1[1],$A1[1] + add $A0[1],$A1[0] + adc \$0,$A1[1] + mul $m1 # n[4]*m1 + add %rax,$A1[0] # n[4]*m1+"t[5]" + mov $Ni[0],%rax + adc %rdx,$A1[1] + mov $A1[0],8($tptr,$j) # "t[5]" + + xor $A0[1],$A0[1] + add 16($tptr,$j),$A0[0] + adc \$0,$A0[1] + mul $m0 # n[6]*m0 + add %rax,$A0[0] # n[6]*m0+t[6] + mov $Ni[1],%rax + adc %rdx,$A0[1] + + mov 24($nptr,$j),$Ni[1] # n[7] + xor $A1[0],$A1[0] + add $A0[0],$A1[1] + adc \$0,$A1[0] + mul $m1 # n[5]*m1 + add %rax,$A1[1] # n[5]*m1+"t[6]" + mov $Ni[1],%rax + adc %rdx,$A1[0] + mov $A1[1],16($tptr,$j) # "t[6]" + + xor $A0[0],$A0[0] + add 24($tptr,$j),$A0[1] + lea 32($j),$j + adc \$0,$A0[0] + mul $m0 # n[7]*m0 + add %rax,$A0[1] # n[7]*m0+t[7] + mov $Ni[0],%rax + adc %rdx,$A0[0] + cmp \$0,$j + jne .Lsqr4x_mont_inner + + sub 0(%rsp),$j # $j=-$num # modsched # + mov $n0,$m0 # # modsched # + + xor $A1[1],$A1[1] + add $A0[1],$A1[0] + adc \$0,$A1[1] + mul $m1 # n[6]*m1 + add %rax,$A1[0] # n[6]*m1+"t[7]" + mov $Ni[1],%rax + adc %rdx,$A1[1] + mov $A1[0],-8($tptr) # "t[7]" + + xor $A0[1],$A0[1] + add ($tptr),$A0[0] # +t[8] + adc \$0,$A0[1] + mov 0($nptr,$j),$Ni[0] # n[0] # modsched # + add $topbit,$A0[0] + adc \$0,$A0[1] + + imulq 16($tptr,$j),$m0 # m0=t[0]*n0 # modsched # + xor $A1[0],$A1[0] + mov 8($nptr,$j),$Ni[1] # n[1] # modsched # + add $A0[0],$A1[1] + mov 16($tptr,$j),$A0[0] # t[0] # modsched # + adc \$0,$A1[0] + mul $m1 # n[7]*m1 + add %rax,$A1[1] # n[7]*m1+"t[8]" + mov $Ni[0],%rax # # modsched # + adc %rdx,$A1[0] + mov $A1[1],($tptr) # "t[8]" + + xor $topbit,$topbit + add 8($tptr),$A1[0] # +t[9] + adc $topbit,$topbit + add $A0[1],$A1[0] + lea 16($tptr),$tptr # "t[$num]>>128" + adc \$0,$topbit + mov $A1[0],-8($tptr) # "t[9]" + cmp 8(%rsp),$tptr # are we done? + jb .Lsqr4x_mont_outer + + mov 0(%rsp),$num # restore $num + mov $topbit,($tptr) # save $topbit +___ +} +############################################################## +# Post-condition, 4x unrolled copy from bn_mul_mont +# +{ +my ($tptr,$nptr)=("%rbx",$aptr); +my @ri=("%rax","%rdx","%r10","%r11"); +$code.=<<___; + mov 64(%rsp,$num),@ri[0] # tp[0] + lea 64(%rsp,$num),$tptr # upper half of t[2*$num] holds result + mov 40(%rsp),$nptr # restore $nptr + shr \$5,$num # num/4 + mov 8($tptr),@ri[1] # t[1] + xor $i,$i # i=0 and clear CF! + + mov 32(%rsp),$rptr # restore $rptr + sub 0($nptr),@ri[0] + mov 16($tptr),@ri[2] # t[2] + mov 24($tptr),@ri[3] # t[3] + sbb 8($nptr),@ri[1] + lea -1($num),$j # j=num/4-1 + jmp .Lsqr4x_sub +.align 16 +.Lsqr4x_sub: + mov @ri[0],0($rptr,$i,8) # rp[i]=tp[i]-np[i] + mov @ri[1],8($rptr,$i,8) # rp[i]=tp[i]-np[i] + sbb 16($nptr,$i,8),@ri[2] + mov 32($tptr,$i,8),@ri[0] # tp[i+1] + mov 40($tptr,$i,8),@ri[1] + sbb 24($nptr,$i,8),@ri[3] + mov @ri[2],16($rptr,$i,8) # rp[i]=tp[i]-np[i] + mov @ri[3],24($rptr,$i,8) # rp[i]=tp[i]-np[i] + sbb 32($nptr,$i,8),@ri[0] + mov 48($tptr,$i,8),@ri[2] + mov 56($tptr,$i,8),@ri[3] + sbb 40($nptr,$i,8),@ri[1] + lea 4($i),$i # i++ + dec $j # doesn't affect CF! + jnz .Lsqr4x_sub + + mov @ri[0],0($rptr,$i,8) # rp[i]=tp[i]-np[i] + mov 32($tptr,$i,8),@ri[0] # load overflow bit + sbb 16($nptr,$i,8),@ri[2] + mov @ri[1],8($rptr,$i,8) # rp[i]=tp[i]-np[i] + sbb 24($nptr,$i,8),@ri[3] + mov @ri[2],16($rptr,$i,8) # rp[i]=tp[i]-np[i] + + sbb \$0,@ri[0] # handle upmost overflow bit + mov @ri[3],24($rptr,$i,8) # rp[i]=tp[i]-np[i] + xor $i,$i # i=0 + and @ri[0],$tptr + not @ri[0] + mov $rptr,$nptr + and @ri[0],$nptr + lea -1($num),$j + or $nptr,$tptr # tp=borrow?tp:rp + + pxor %xmm0,%xmm0 + lea 64(%rsp,$num,8),$nptr + movdqu ($tptr),%xmm1 + lea ($nptr,$num,8),$nptr + movdqa %xmm0,64(%rsp) # zap lower half of temporary vector + movdqa %xmm0,($nptr) # zap upper half of temporary vector + movdqu %xmm1,($rptr) + jmp .Lsqr4x_copy +.align 16 +.Lsqr4x_copy: # copy or in-place refresh + movdqu 16($tptr,$i),%xmm2 + movdqu 32($tptr,$i),%xmm1 + movdqa %xmm0,80(%rsp,$i) # zap lower half of temporary vector + movdqa %xmm0,96(%rsp,$i) # zap lower half of temporary vector + movdqa %xmm0,16($nptr,$i) # zap upper half of temporary vector + movdqa %xmm0,32($nptr,$i) # zap upper half of temporary vector + movdqu %xmm2,16($rptr,$i) + movdqu %xmm1,32($rptr,$i) + lea 32($i),$i + dec $j + jnz .Lsqr4x_copy + + movdqu 16($tptr,$i),%xmm2 + movdqa %xmm0,80(%rsp,$i) # zap lower half of temporary vector + movdqa %xmm0,16($nptr,$i) # zap upper half of temporary vector + movdqu %xmm2,16($rptr,$i) +___ +} +$code.=<<___; + mov 56(%rsp),%rsi # restore %rsp + mov \$1,%rax + mov 0(%rsi),%r15 + mov 8(%rsi),%r14 + mov 16(%rsi),%r13 + mov 24(%rsi),%r12 + mov 32(%rsi),%rbp + mov 40(%rsi),%rbx + lea 48(%rsi),%rsp +.Lsqr4x_epilogue: + ret +.size bn_sqr4x_mont,.-bn_sqr4x_mont +___ +}}} +$code.=<<___; .asciz "Montgomery Multiplication for x86_64, CRYPTOGAMS by " .align 16 ___ @@ -228,9 +1511,9 @@ $disp="%r9"; $code.=<<___; .extern __imp_RtlVirtualUnwind -.type se_handler,\@abi-omnipotent +.type mul_handler,\@abi-omnipotent .align 16 -se_handler: +mul_handler: push %rsi push %rdi push %rbx @@ -245,15 +1528,20 @@ se_handler: mov 120($context),%rax # pull context->Rax mov 248($context),%rbx # pull context->Rip - lea .Lprologue(%rip),%r10 - cmp %r10,%rbx # context->Rip<.Lprologue - jb .Lin_prologue + mov 8($disp),%rsi # disp->ImageBase + mov 56($disp),%r11 # disp->HandlerData + + mov 0(%r11),%r10d # HandlerData[0] + lea (%rsi,%r10),%r10 # end of prologue label + cmp %r10,%rbx # context->RipRsp - lea .Lepilogue(%rip),%r10 - cmp %r10,%rbx # context->Rip>=.Lepilogue - jae .Lin_prologue + mov 4(%r11),%r10d # HandlerData[1] + lea (%rsi,%r10),%r10 # epilogue label + cmp %r10,%rbx # context->Rip>=epilogue label + jae .Lcommon_seh_tail mov 192($context),%r10 # pull $num mov 8(%rax,%r10,8),%rax # pull saved stack pointer @@ -272,7 +1560,53 @@ se_handler: mov %r14,232($context) # restore context->R14 mov %r15,240($context) # restore context->R15 -.Lin_prologue: + jmp .Lcommon_seh_tail +.size mul_handler,.-mul_handler + +.type sqr_handler,\@abi-omnipotent +.align 16 +sqr_handler: + push %rsi + push %rdi + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + push %r15 + pushfq + sub \$64,%rsp + + mov 120($context),%rax # pull context->Rax + mov 248($context),%rbx # pull context->Rip + + lea .Lsqr4x_body(%rip),%r10 + cmp %r10,%rbx # context->Rip<.Lsqr_body + jb .Lcommon_seh_tail + + mov 152($context),%rax # pull context->Rsp + + lea .Lsqr4x_epilogue(%rip),%r10 + cmp %r10,%rbx # context->Rip>=.Lsqr_epilogue + jae .Lcommon_seh_tail + + mov 56(%rax),%rax # pull saved stack pointer + lea 48(%rax),%rax + + mov -8(%rax),%rbx + mov -16(%rax),%rbp + mov -24(%rax),%r12 + mov -32(%rax),%r13 + mov -40(%rax),%r14 + mov -48(%rax),%r15 + mov %rbx,144($context) # restore context->Rbx + mov %rbp,160($context) # restore context->Rbp + mov %r12,216($context) # restore context->R12 + mov %r13,224($context) # restore context->R13 + mov %r14,232($context) # restore context->R14 + mov %r15,240($context) # restore context->R15 + +.Lcommon_seh_tail: mov 8(%rax),%rdi mov 16(%rax),%rsi mov %rax,152($context) # restore context->Rsp @@ -310,7 +1644,7 @@ se_handler: pop %rdi pop %rsi ret -.size se_handler,.-se_handler +.size sqr_handler,.-sqr_handler .section .pdata .align 4 @@ -318,11 +1652,27 @@ se_handler: .rva .LSEH_end_bn_mul_mont .rva .LSEH_info_bn_mul_mont + .rva .LSEH_begin_bn_mul4x_mont + .rva .LSEH_end_bn_mul4x_mont + .rva .LSEH_info_bn_mul4x_mont + + .rva .LSEH_begin_bn_sqr4x_mont + .rva .LSEH_end_bn_sqr4x_mont + .rva .LSEH_info_bn_sqr4x_mont + .section .xdata .align 8 .LSEH_info_bn_mul_mont: .byte 9,0,0,0 - .rva se_handler + .rva mul_handler + .rva .Lmul_body,.Lmul_epilogue # HandlerData[] +.LSEH_info_bn_mul4x_mont: + .byte 9,0,0,0 + .rva mul_handler + .rva .Lmul4x_body,.Lmul4x_epilogue # HandlerData[] +.LSEH_info_bn_sqr4x_mont: + .byte 9,0,0,0 + .rva sqr_handler ___ } diff --git a/crypto/bn/asm/x86_64-mont5.pl b/crypto/bn/asm/x86_64-mont5.pl new file mode 100755 index 0000000000..057cda28aa --- /dev/null +++ b/crypto/bn/asm/x86_64-mont5.pl @@ -0,0 +1,1070 @@ +#!/usr/bin/env perl + +# ==================================================================== +# Written by Andy Polyakov for the OpenSSL +# project. The module is, however, dual licensed under OpenSSL and +# CRYPTOGAMS licenses depending on where you obtain it. For further +# details see http://www.openssl.org/~appro/cryptogams/. +# ==================================================================== + +# August 2011. +# +# Companion to x86_64-mont.pl that optimizes cache-timing attack +# countermeasures. The subroutines are produced by replacing bp[i] +# references in their x86_64-mont.pl counterparts with cache-neutral +# references to powers table computed in BN_mod_exp_mont_consttime. +# In addition subroutine that scatters elements of the powers table +# is implemented, so that scatter-/gathering can be tuned without +# bn_exp.c modifications. + +$flavour = shift; +$output = shift; +if ($flavour =~ /\./) { $output = $flavour; undef $flavour; } + +$win64=0; $win64=1 if ($flavour =~ /[nm]asm|mingw64/ || $output =~ /\.asm$/); + +$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1; +( $xlate="${dir}x86_64-xlate.pl" and -f $xlate ) or +( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or +die "can't locate x86_64-xlate.pl"; + +open STDOUT,"| $^X $xlate $flavour $output"; + +# int bn_mul_mont_gather5( +$rp="%rdi"; # BN_ULONG *rp, +$ap="%rsi"; # const BN_ULONG *ap, +$bp="%rdx"; # const BN_ULONG *bp, +$np="%rcx"; # const BN_ULONG *np, +$n0="%r8"; # const BN_ULONG *n0, +$num="%r9"; # int num, + # int idx); # 0 to 2^5-1, "index" in $bp holding + # pre-computed powers of a', interlaced + # in such manner that b[0] is $bp[idx], + # b[1] is [2^5+idx], etc. +$lo0="%r10"; +$hi0="%r11"; +$hi1="%r13"; +$i="%r14"; +$j="%r15"; +$m0="%rbx"; +$m1="%rbp"; + +$code=<<___; +.text + +.globl bn_mul_mont_gather5 +.type bn_mul_mont_gather5,\@function,6 +.align 64 +bn_mul_mont_gather5: + test \$3,${num}d + jnz .Lmul_enter + cmp \$8,${num}d + jb .Lmul_enter + jmp .Lmul4x_enter + +.align 16 +.Lmul_enter: + mov ${num}d,${num}d + mov `($win64?56:8)`(%rsp),%r10d # load 7th argument + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + push %r15 +___ +$code.=<<___ if ($win64); + lea -0x28(%rsp),%rsp + movaps %xmm6,(%rsp) + movaps %xmm7,0x10(%rsp) +.Lmul_alloca: +___ +$code.=<<___; + mov %rsp,%rax + lea 2($num),%r11 + neg %r11 + lea (%rsp,%r11,8),%rsp # tp=alloca(8*(num+2)) + and \$-1024,%rsp # minimize TLB usage + + mov %rax,8(%rsp,$num,8) # tp[num+1]=%rsp +.Lmul_body: + mov $bp,%r12 # reassign $bp +___ + $bp="%r12"; + $STRIDE=2**5*8; # 5 is "window size" + $N=$STRIDE/4; # should match cache line size +$code.=<<___; + mov %r10,%r11 + shr \$`log($N/8)/log(2)`,%r10 + and \$`$N/8-1`,%r11 + not %r10 + lea .Lmagic_masks(%rip),%rax + and \$`2**5/($N/8)-1`,%r10 # 5 is "window size" + lea 96($bp,%r11,8),$bp # pointer within 1st cache line + movq 0(%rax,%r10,8),%xmm4 # set of masks denoting which + movq 8(%rax,%r10,8),%xmm5 # cache line contains element + movq 16(%rax,%r10,8),%xmm6 # denoted by 7th argument + movq 24(%rax,%r10,8),%xmm7 + + movq `0*$STRIDE/4-96`($bp),%xmm0 + movq `1*$STRIDE/4-96`($bp),%xmm1 + pand %xmm4,%xmm0 + movq `2*$STRIDE/4-96`($bp),%xmm2 + pand %xmm5,%xmm1 + movq `3*$STRIDE/4-96`($bp),%xmm3 + pand %xmm6,%xmm2 + por %xmm1,%xmm0 + pand %xmm7,%xmm3 + por %xmm2,%xmm0 + lea $STRIDE($bp),$bp + por %xmm3,%xmm0 + + movq %xmm0,$m0 # m0=bp[0] + + mov ($n0),$n0 # pull n0[0] value + mov ($ap),%rax + + xor $i,$i # i=0 + xor $j,$j # j=0 + + movq `0*$STRIDE/4-96`($bp),%xmm0 + movq `1*$STRIDE/4-96`($bp),%xmm1 + pand %xmm4,%xmm0 + movq `2*$STRIDE/4-96`($bp),%xmm2 + pand %xmm5,%xmm1 + + mov $n0,$m1 + mulq $m0 # ap[0]*bp[0] + mov %rax,$lo0 + mov ($np),%rax + + movq `3*$STRIDE/4-96`($bp),%xmm3 + pand %xmm6,%xmm2 + por %xmm1,%xmm0 + pand %xmm7,%xmm3 + + imulq $lo0,$m1 # "tp[0]"*n0 + mov %rdx,$hi0 + + por %xmm2,%xmm0 + lea $STRIDE($bp),$bp + por %xmm3,%xmm0 + + mulq $m1 # np[0]*m1 + add %rax,$lo0 # discarded + mov 8($ap),%rax + adc \$0,%rdx + mov %rdx,$hi1 + + lea 1($j),$j # j++ + jmp .L1st_enter + +.align 16 +.L1st: + add %rax,$hi1 + mov ($ap,$j,8),%rax + adc \$0,%rdx + add $hi0,$hi1 # np[j]*m1+ap[j]*bp[0] + mov $lo0,$hi0 + adc \$0,%rdx + mov $hi1,-16(%rsp,$j,8) # tp[j-1] + mov %rdx,$hi1 + +.L1st_enter: + mulq $m0 # ap[j]*bp[0] + add %rax,$hi0 + mov ($np,$j,8),%rax + adc \$0,%rdx + lea 1($j),$j # j++ + mov %rdx,$lo0 + + mulq $m1 # np[j]*m1 + cmp $num,$j + jne .L1st + + movq %xmm0,$m0 # bp[1] + + add %rax,$hi1 + mov ($ap),%rax # ap[0] + adc \$0,%rdx + add $hi0,$hi1 # np[j]*m1+ap[j]*bp[0] + adc \$0,%rdx + mov $hi1,-16(%rsp,$j,8) # tp[j-1] + mov %rdx,$hi1 + mov $lo0,$hi0 + + xor %rdx,%rdx + add $hi0,$hi1 + adc \$0,%rdx + mov $hi1,-8(%rsp,$num,8) + mov %rdx,(%rsp,$num,8) # store upmost overflow bit + + lea 1($i),$i # i++ + jmp .Louter +.align 16 +.Louter: + xor $j,$j # j=0 + mov $n0,$m1 + mov (%rsp),$lo0 + + movq `0*$STRIDE/4-96`($bp),%xmm0 + movq `1*$STRIDE/4-96`($bp),%xmm1 + pand %xmm4,%xmm0 + movq `2*$STRIDE/4-96`($bp),%xmm2 + pand %xmm5,%xmm1 + + mulq $m0 # ap[0]*bp[i] + add %rax,$lo0 # ap[0]*bp[i]+tp[0] + mov ($np),%rax + adc \$0,%rdx + + movq `3*$STRIDE/4-96`($bp),%xmm3 + pand %xmm6,%xmm2 + por %xmm1,%xmm0 + pand %xmm7,%xmm3 + + imulq $lo0,$m1 # tp[0]*n0 + mov %rdx,$hi0 + + por %xmm2,%xmm0 + lea $STRIDE($bp),$bp + por %xmm3,%xmm0 + + mulq $m1 # np[0]*m1 + add %rax,$lo0 # discarded + mov 8($ap),%rax + adc \$0,%rdx + mov 8(%rsp),$lo0 # tp[1] + mov %rdx,$hi1 + + lea 1($j),$j # j++ + jmp .Linner_enter + +.align 16 +.Linner: + add %rax,$hi1 + mov ($ap,$j,8),%rax + adc \$0,%rdx + add $lo0,$hi1 # np[j]*m1+ap[j]*bp[i]+tp[j] + mov (%rsp,$j,8),$lo0 + adc \$0,%rdx + mov $hi1,-16(%rsp,$j,8) # tp[j-1] + mov %rdx,$hi1 + +.Linner_enter: + mulq $m0 # ap[j]*bp[i] + add %rax,$hi0 + mov ($np,$j,8),%rax + adc \$0,%rdx + add $hi0,$lo0 # ap[j]*bp[i]+tp[j] + mov %rdx,$hi0 + adc \$0,$hi0 + lea 1($j),$j # j++ + + mulq $m1 # np[j]*m1 + cmp $num,$j + jne .Linner + + movq %xmm0,$m0 # bp[i+1] + + add %rax,$hi1 + mov ($ap),%rax # ap[0] + adc \$0,%rdx + add $lo0,$hi1 # np[j]*m1+ap[j]*bp[i]+tp[j] + mov (%rsp,$j,8),$lo0 + adc \$0,%rdx + mov $hi1,-16(%rsp,$j,8) # tp[j-1] + mov %rdx,$hi1 + + xor %rdx,%rdx + add $hi0,$hi1 + adc \$0,%rdx + add $lo0,$hi1 # pull upmost overflow bit + adc \$0,%rdx + mov $hi1,-8(%rsp,$num,8) + mov %rdx,(%rsp,$num,8) # store upmost overflow bit + + lea 1($i),$i # i++ + cmp $num,$i + jl .Louter + + xor $i,$i # i=0 and clear CF! + mov (%rsp),%rax # tp[0] + lea (%rsp),$ap # borrow ap for tp + mov $num,$j # j=num + jmp .Lsub +.align 16 +.Lsub: sbb ($np,$i,8),%rax + mov %rax,($rp,$i,8) # rp[i]=tp[i]-np[i] + mov 8($ap,$i,8),%rax # tp[i+1] + lea 1($i),$i # i++ + dec $j # doesnn't affect CF! + jnz .Lsub + + sbb \$0,%rax # handle upmost overflow bit + xor $i,$i + and %rax,$ap + not %rax + mov $rp,$np + and %rax,$np + mov $num,$j # j=num + or $np,$ap # ap=borrow?tp:rp +.align 16 +.Lcopy: # copy or in-place refresh + mov ($ap,$i,8),%rax + mov $i,(%rsp,$i,8) # zap temporary vector + mov %rax,($rp,$i,8) # rp[i]=tp[i] + lea 1($i),$i + sub \$1,$j + jnz .Lcopy + + mov 8(%rsp,$num,8),%rsi # restore %rsp + mov \$1,%rax +___ +$code.=<<___ if ($win64); + movaps (%rsi),%xmm6 + movaps 0x10(%rsi),%xmm7 + lea 0x28(%rsi),%rsi +___ +$code.=<<___; + mov (%rsi),%r15 + mov 8(%rsi),%r14 + mov 16(%rsi),%r13 + mov 24(%rsi),%r12 + mov 32(%rsi),%rbp + mov 40(%rsi),%rbx + lea 48(%rsi),%rsp +.Lmul_epilogue: + ret +.size bn_mul_mont_gather5,.-bn_mul_mont_gather5 +___ +{{{ +my @A=("%r10","%r11"); +my @N=("%r13","%rdi"); +$code.=<<___; +.type bn_mul4x_mont_gather5,\@function,6 +.align 16 +bn_mul4x_mont_gather5: +.Lmul4x_enter: + mov ${num}d,${num}d + mov `($win64?56:8)`(%rsp),%r10d # load 7th argument + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + push %r15 +___ +$code.=<<___ if ($win64); + lea -0x28(%rsp),%rsp + movaps %xmm6,(%rsp) + movaps %xmm7,0x10(%rsp) +.Lmul4x_alloca: +___ +$code.=<<___; + mov %rsp,%rax + lea 4($num),%r11 + neg %r11 + lea (%rsp,%r11,8),%rsp # tp=alloca(8*(num+4)) + and \$-1024,%rsp # minimize TLB usage + + mov %rax,8(%rsp,$num,8) # tp[num+1]=%rsp +.Lmul4x_body: + mov $rp,16(%rsp,$num,8) # tp[num+2]=$rp + mov %rdx,%r12 # reassign $bp +___ + $bp="%r12"; + $STRIDE=2**5*8; # 5 is "window size" + $N=$STRIDE/4; # should match cache line size +$code.=<<___; + mov %r10,%r11 + shr \$`log($N/8)/log(2)`,%r10 + and \$`$N/8-1`,%r11 + not %r10 + lea .Lmagic_masks(%rip),%rax + and \$`2**5/($N/8)-1`,%r10 # 5 is "window size" + lea 96($bp,%r11,8),$bp # pointer within 1st cache line + movq 0(%rax,%r10,8),%xmm4 # set of masks denoting which + movq 8(%rax,%r10,8),%xmm5 # cache line contains element + movq 16(%rax,%r10,8),%xmm6 # denoted by 7th argument + movq 24(%rax,%r10,8),%xmm7 + + movq `0*$STRIDE/4-96`($bp),%xmm0 + movq `1*$STRIDE/4-96`($bp),%xmm1 + pand %xmm4,%xmm0 + movq `2*$STRIDE/4-96`($bp),%xmm2 + pand %xmm5,%xmm1 + movq `3*$STRIDE/4-96`($bp),%xmm3 + pand %xmm6,%xmm2 + por %xmm1,%xmm0 + pand %xmm7,%xmm3 + por %xmm2,%xmm0 + lea $STRIDE($bp),$bp + por %xmm3,%xmm0 + + movq %xmm0,$m0 # m0=bp[0] + mov ($n0),$n0 # pull n0[0] value + mov ($ap),%rax + + xor $i,$i # i=0 + xor $j,$j # j=0 + + movq `0*$STRIDE/4-96`($bp),%xmm0 + movq `1*$STRIDE/4-96`($bp),%xmm1 + pand %xmm4,%xmm0 + movq `2*$STRIDE/4-96`($bp),%xmm2 + pand %xmm5,%xmm1 + + mov $n0,$m1 + mulq $m0 # ap[0]*bp[0] + mov %rax,$A[0] + mov ($np),%rax + + movq `3*$STRIDE/4-96`($bp),%xmm3 + pand %xmm6,%xmm2 + por %xmm1,%xmm0 + pand %xmm7,%xmm3 + + imulq $A[0],$m1 # "tp[0]"*n0 + mov %rdx,$A[1] + + por %xmm2,%xmm0 + lea $STRIDE($bp),$bp + por %xmm3,%xmm0 + + mulq $m1 # np[0]*m1 + add %rax,$A[0] # discarded + mov 8($ap),%rax + adc \$0,%rdx + mov %rdx,$N[1] + + mulq $m0 + add %rax,$A[1] + mov 8($np),%rax + adc \$0,%rdx + mov %rdx,$A[0] + + mulq $m1 + add %rax,$N[1] + mov 16($ap),%rax + adc \$0,%rdx + add $A[1],$N[1] + lea 4($j),$j # j++ + adc \$0,%rdx + mov $N[1],(%rsp) + mov %rdx,$N[0] + jmp .L1st4x +.align 16 +.L1st4x: + mulq $m0 # ap[j]*bp[0] + add %rax,$A[0] + mov -16($np,$j,8),%rax + adc \$0,%rdx + mov %rdx,$A[1] + + mulq $m1 # np[j]*m1 + add %rax,$N[0] + mov -8($ap,$j,8),%rax + adc \$0,%rdx + add $A[0],$N[0] # np[j]*m1+ap[j]*bp[0] + adc \$0,%rdx + mov $N[0],-24(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[1] + + mulq $m0 # ap[j]*bp[0] + add %rax,$A[1] + mov -8($np,$j,8),%rax + adc \$0,%rdx + mov %rdx,$A[0] + + mulq $m1 # np[j]*m1 + add %rax,$N[1] + mov ($ap,$j,8),%rax + adc \$0,%rdx + add $A[1],$N[1] # np[j]*m1+ap[j]*bp[0] + adc \$0,%rdx + mov $N[1],-16(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[0] + + mulq $m0 # ap[j]*bp[0] + add %rax,$A[0] + mov ($np,$j,8),%rax + adc \$0,%rdx + mov %rdx,$A[1] + + mulq $m1 # np[j]*m1 + add %rax,$N[0] + mov 8($ap,$j,8),%rax + adc \$0,%rdx + add $A[0],$N[0] # np[j]*m1+ap[j]*bp[0] + adc \$0,%rdx + mov $N[0],-8(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[1] + + mulq $m0 # ap[j]*bp[0] + add %rax,$A[1] + mov 8($np,$j,8),%rax + adc \$0,%rdx + lea 4($j),$j # j++ + mov %rdx,$A[0] + + mulq $m1 # np[j]*m1 + add %rax,$N[1] + mov -16($ap,$j,8),%rax + adc \$0,%rdx + add $A[1],$N[1] # np[j]*m1+ap[j]*bp[0] + adc \$0,%rdx + mov $N[1],-32(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[0] + cmp $num,$j + jl .L1st4x + + mulq $m0 # ap[j]*bp[0] + add %rax,$A[0] + mov -16($np,$j,8),%rax + adc \$0,%rdx + mov %rdx,$A[1] + + mulq $m1 # np[j]*m1 + add %rax,$N[0] + mov -8($ap,$j,8),%rax + adc \$0,%rdx + add $A[0],$N[0] # np[j]*m1+ap[j]*bp[0] + adc \$0,%rdx + mov $N[0],-24(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[1] + + mulq $m0 # ap[j]*bp[0] + add %rax,$A[1] + mov -8($np,$j,8),%rax + adc \$0,%rdx + mov %rdx,$A[0] + + mulq $m1 # np[j]*m1 + add %rax,$N[1] + mov ($ap),%rax # ap[0] + adc \$0,%rdx + add $A[1],$N[1] # np[j]*m1+ap[j]*bp[0] + adc \$0,%rdx + mov $N[1],-16(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[0] + + movq %xmm0,$m0 # bp[1] + + xor $N[1],$N[1] + add $A[0],$N[0] + adc \$0,$N[1] + mov $N[0],-8(%rsp,$j,8) + mov $N[1],(%rsp,$j,8) # store upmost overflow bit + + lea 1($i),$i # i++ +.align 4 +.Louter4x: + xor $j,$j # j=0 + movq `0*$STRIDE/4-96`($bp),%xmm0 + movq `1*$STRIDE/4-96`($bp),%xmm1 + pand %xmm4,%xmm0 + movq `2*$STRIDE/4-96`($bp),%xmm2 + pand %xmm5,%xmm1 + + mov (%rsp),$A[0] + mov $n0,$m1 + mulq $m0 # ap[0]*bp[i] + add %rax,$A[0] # ap[0]*bp[i]+tp[0] + mov ($np),%rax + adc \$0,%rdx + + movq `3*$STRIDE/4-96`($bp),%xmm3 + pand %xmm6,%xmm2 + por %xmm1,%xmm0 + pand %xmm7,%xmm3 + + imulq $A[0],$m1 # tp[0]*n0 + mov %rdx,$A[1] + + por %xmm2,%xmm0 + lea $STRIDE($bp),$bp + por %xmm3,%xmm0 + + mulq $m1 # np[0]*m1 + add %rax,$A[0] # "$N[0]", discarded + mov 8($ap),%rax + adc \$0,%rdx + mov %rdx,$N[1] + + mulq $m0 # ap[j]*bp[i] + add %rax,$A[1] + mov 8($np),%rax + adc \$0,%rdx + add 8(%rsp),$A[1] # +tp[1] + adc \$0,%rdx + mov %rdx,$A[0] + + mulq $m1 # np[j]*m1 + add %rax,$N[1] + mov 16($ap),%rax + adc \$0,%rdx + add $A[1],$N[1] # np[j]*m1+ap[j]*bp[i]+tp[j] + lea 4($j),$j # j+=2 + adc \$0,%rdx + mov %rdx,$N[0] + jmp .Linner4x +.align 16 +.Linner4x: + mulq $m0 # ap[j]*bp[i] + add %rax,$A[0] + mov -16($np,$j,8),%rax + adc \$0,%rdx + add -16(%rsp,$j,8),$A[0] # ap[j]*bp[i]+tp[j] + adc \$0,%rdx + mov %rdx,$A[1] + + mulq $m1 # np[j]*m1 + add %rax,$N[0] + mov -8($ap,$j,8),%rax + adc \$0,%rdx + add $A[0],$N[0] + adc \$0,%rdx + mov $N[1],-32(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[1] + + mulq $m0 # ap[j]*bp[i] + add %rax,$A[1] + mov -8($np,$j,8),%rax + adc \$0,%rdx + add -8(%rsp,$j,8),$A[1] + adc \$0,%rdx + mov %rdx,$A[0] + + mulq $m1 # np[j]*m1 + add %rax,$N[1] + mov ($ap,$j,8),%rax + adc \$0,%rdx + add $A[1],$N[1] + adc \$0,%rdx + mov $N[0],-24(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[0] + + mulq $m0 # ap[j]*bp[i] + add %rax,$A[0] + mov ($np,$j,8),%rax + adc \$0,%rdx + add (%rsp,$j,8),$A[0] # ap[j]*bp[i]+tp[j] + adc \$0,%rdx + mov %rdx,$A[1] + + mulq $m1 # np[j]*m1 + add %rax,$N[0] + mov 8($ap,$j,8),%rax + adc \$0,%rdx + add $A[0],$N[0] + adc \$0,%rdx + mov $N[1],-16(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[1] + + mulq $m0 # ap[j]*bp[i] + add %rax,$A[1] + mov 8($np,$j,8),%rax + adc \$0,%rdx + add 8(%rsp,$j,8),$A[1] + adc \$0,%rdx + lea 4($j),$j # j++ + mov %rdx,$A[0] + + mulq $m1 # np[j]*m1 + add %rax,$N[1] + mov -16($ap,$j,8),%rax + adc \$0,%rdx + add $A[1],$N[1] + adc \$0,%rdx + mov $N[0],-40(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[0] + cmp $num,$j + jl .Linner4x + + mulq $m0 # ap[j]*bp[i] + add %rax,$A[0] + mov -16($np,$j,8),%rax + adc \$0,%rdx + add -16(%rsp,$j,8),$A[0] # ap[j]*bp[i]+tp[j] + adc \$0,%rdx + mov %rdx,$A[1] + + mulq $m1 # np[j]*m1 + add %rax,$N[0] + mov -8($ap,$j,8),%rax + adc \$0,%rdx + add $A[0],$N[0] + adc \$0,%rdx + mov $N[1],-32(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[1] + + mulq $m0 # ap[j]*bp[i] + add %rax,$A[1] + mov -8($np,$j,8),%rax + adc \$0,%rdx + add -8(%rsp,$j,8),$A[1] + adc \$0,%rdx + lea 1($i),$i # i++ + mov %rdx,$A[0] + + mulq $m1 # np[j]*m1 + add %rax,$N[1] + mov ($ap),%rax # ap[0] + adc \$0,%rdx + add $A[1],$N[1] + adc \$0,%rdx + mov $N[0],-24(%rsp,$j,8) # tp[j-1] + mov %rdx,$N[0] + + movq %xmm0,$m0 # bp[i+1] + mov $N[1],-16(%rsp,$j,8) # tp[j-1] + + xor $N[1],$N[1] + add $A[0],$N[0] + adc \$0,$N[1] + add (%rsp,$num,8),$N[0] # pull upmost overflow bit + adc \$0,$N[1] + mov $N[0],-8(%rsp,$j,8) + mov $N[1],(%rsp,$j,8) # store upmost overflow bit + + cmp $num,$i + jl .Louter4x +___ +{ +my @ri=("%rax","%rdx",$m0,$m1); +$code.=<<___; + mov 16(%rsp,$num,8),$rp # restore $rp + mov 0(%rsp),@ri[0] # tp[0] + pxor %xmm0,%xmm0 + mov 8(%rsp),@ri[1] # tp[1] + shr \$2,$num # num/=4 + lea (%rsp),$ap # borrow ap for tp + xor $i,$i # i=0 and clear CF! + + sub 0($np),@ri[0] + mov 16($ap),@ri[2] # tp[2] + mov 24($ap),@ri[3] # tp[3] + sbb 8($np),@ri[1] + lea -1($num),$j # j=num/4-1 + jmp .Lsub4x +.align 16 +.Lsub4x: + mov @ri[0],0($rp,$i,8) # rp[i]=tp[i]-np[i] + mov @ri[1],8($rp,$i,8) # rp[i]=tp[i]-np[i] + sbb 16($np,$i,8),@ri[2] + mov 32($ap,$i,8),@ri[0] # tp[i+1] + mov 40($ap,$i,8),@ri[1] + sbb 24($np,$i,8),@ri[3] + mov @ri[2],16($rp,$i,8) # rp[i]=tp[i]-np[i] + mov @ri[3],24($rp,$i,8) # rp[i]=tp[i]-np[i] + sbb 32($np,$i,8),@ri[0] + mov 48($ap,$i,8),@ri[2] + mov 56($ap,$i,8),@ri[3] + sbb 40($np,$i,8),@ri[1] + lea 4($i),$i # i++ + dec $j # doesnn't affect CF! + jnz .Lsub4x + + mov @ri[0],0($rp,$i,8) # rp[i]=tp[i]-np[i] + mov 32($ap,$i,8),@ri[0] # load overflow bit + sbb 16($np,$i,8),@ri[2] + mov @ri[1],8($rp,$i,8) # rp[i]=tp[i]-np[i] + sbb 24($np,$i,8),@ri[3] + mov @ri[2],16($rp,$i,8) # rp[i]=tp[i]-np[i] + + sbb \$0,@ri[0] # handle upmost overflow bit + mov @ri[3],24($rp,$i,8) # rp[i]=tp[i]-np[i] + xor $i,$i # i=0 + and @ri[0],$ap + not @ri[0] + mov $rp,$np + and @ri[0],$np + lea -1($num),$j + or $np,$ap # ap=borrow?tp:rp + + movdqu ($ap),%xmm1 + movdqa %xmm0,(%rsp) + movdqu %xmm1,($rp) + jmp .Lcopy4x +.align 16 +.Lcopy4x: # copy or in-place refresh + movdqu 16($ap,$i),%xmm2 + movdqu 32($ap,$i),%xmm1 + movdqa %xmm0,16(%rsp,$i) + movdqu %xmm2,16($rp,$i) + movdqa %xmm0,32(%rsp,$i) + movdqu %xmm1,32($rp,$i) + lea 32($i),$i + dec $j + jnz .Lcopy4x + + shl \$2,$num + movdqu 16($ap,$i),%xmm2 + movdqa %xmm0,16(%rsp,$i) + movdqu %xmm2,16($rp,$i) +___ +} +$code.=<<___; + mov 8(%rsp,$num,8),%rsi # restore %rsp + mov \$1,%rax +___ +$code.=<<___ if ($win64); + movaps (%rsi),%xmm6 + movaps 0x10(%rsi),%xmm7 + lea 0x28(%rsi),%rsi +___ +$code.=<<___; + mov (%rsi),%r15 + mov 8(%rsi),%r14 + mov 16(%rsi),%r13 + mov 24(%rsi),%r12 + mov 32(%rsi),%rbp + mov 40(%rsi),%rbx + lea 48(%rsi),%rsp +.Lmul4x_epilogue: + ret +.size bn_mul4x_mont_gather5,.-bn_mul4x_mont_gather5 +___ +}}} + +{ +my ($inp,$num,$tbl,$idx)=$win64?("%rcx","%rdx","%r8", "%r9") : # Win64 order + ("%rdi","%rsi","%rdx","%rcx"); # Unix order +my $out=$inp; +my $STRIDE=2**5*8; +my $N=$STRIDE/4; + +$code.=<<___; +.globl bn_scatter5 +.type bn_scatter5,\@abi-omnipotent +.align 16 +bn_scatter5: + cmp \$0, $num + jz .Lscatter_epilogue + lea ($tbl,$idx,8),$tbl +.Lscatter: + mov ($inp),%rax + lea 8($inp),$inp + mov %rax,($tbl) + lea 32*8($tbl),$tbl + sub \$1,$num + jnz .Lscatter +.Lscatter_epilogue: + ret +.size bn_scatter5,.-bn_scatter5 + +.globl bn_gather5 +.type bn_gather5,\@abi-omnipotent +.align 16 +bn_gather5: +___ +$code.=<<___ if ($win64); +.LSEH_begin_bn_gather5: + # I can't trust assembler to use specific encoding:-( + .byte 0x48,0x83,0xec,0x28 #sub \$0x28,%rsp + .byte 0x0f,0x29,0x34,0x24 #movaps %xmm6,(%rsp) + .byte 0x0f,0x29,0x7c,0x24,0x10 #movdqa %xmm7,0x10(%rsp) +___ +$code.=<<___; + mov $idx,%r11 + shr \$`log($N/8)/log(2)`,$idx + and \$`$N/8-1`,%r11 + not $idx + lea .Lmagic_masks(%rip),%rax + and \$`2**5/($N/8)-1`,$idx # 5 is "window size" + lea 96($tbl,%r11,8),$tbl # pointer within 1st cache line + movq 0(%rax,$idx,8),%xmm4 # set of masks denoting which + movq 8(%rax,$idx,8),%xmm5 # cache line contains element + movq 16(%rax,$idx,8),%xmm6 # denoted by 7th argument + movq 24(%rax,$idx,8),%xmm7 + jmp .Lgather +.align 16 +.Lgather: + movq `0*$STRIDE/4-96`($tbl),%xmm0 + movq `1*$STRIDE/4-96`($tbl),%xmm1 + pand %xmm4,%xmm0 + movq `2*$STRIDE/4-96`($tbl),%xmm2 + pand %xmm5,%xmm1 + movq `3*$STRIDE/4-96`($tbl),%xmm3 + pand %xmm6,%xmm2 + por %xmm1,%xmm0 + pand %xmm7,%xmm3 + por %xmm2,%xmm0 + lea $STRIDE($tbl),$tbl + por %xmm3,%xmm0 + + movq %xmm0,($out) # m0=bp[0] + lea 8($out),$out + sub \$1,$num + jnz .Lgather +___ +$code.=<<___ if ($win64); + movaps %xmm6,(%rsp) + movaps %xmm7,0x10(%rsp) + lea 0x28(%rsp),%rsp +___ +$code.=<<___; + ret +.LSEH_end_bn_gather5: +.size bn_gather5,.-bn_gather5 +___ +} +$code.=<<___; +.align 64 +.Lmagic_masks: + .long 0,0, 0,0, 0,0, -1,-1 + .long 0,0, 0,0, 0,0, 0,0 +.asciz "Montgomery Multiplication with scatter/gather for x86_64, CRYPTOGAMS by " +___ + +# EXCEPTION_DISPOSITION handler (EXCEPTION_RECORD *rec,ULONG64 frame, +# CONTEXT *context,DISPATCHER_CONTEXT *disp) +if ($win64) { +$rec="%rcx"; +$frame="%rdx"; +$context="%r8"; +$disp="%r9"; + +$code.=<<___; +.extern __imp_RtlVirtualUnwind +.type mul_handler,\@abi-omnipotent +.align 16 +mul_handler: + push %rsi + push %rdi + push %rbx + push %rbp + push %r12 + push %r13 + push %r14 + push %r15 + pushfq + sub \$64,%rsp + + mov 120($context),%rax # pull context->Rax + mov 248($context),%rbx # pull context->Rip + + mov 8($disp),%rsi # disp->ImageBase + mov 56($disp),%r11 # disp->HandlerData + + mov 0(%r11),%r10d # HandlerData[0] + lea (%rsi,%r10),%r10 # end of prologue label + cmp %r10,%rbx # context->RipRipRsp + + mov 8(%r11),%r10d # HandlerData[2] + lea (%rsi,%r10),%r10 # epilogue label + cmp %r10,%rbx # context->Rip>=epilogue label + jae .Lcommon_seh_tail + + mov 192($context),%r10 # pull $num + mov 8(%rax,%r10,8),%rax # pull saved stack pointer + + movaps (%rax),%xmm0 + movaps 16(%rax),%xmm1 + lea `40+48`(%rax),%rax + + mov -8(%rax),%rbx + mov -16(%rax),%rbp + mov -24(%rax),%r12 + mov -32(%rax),%r13 + mov -40(%rax),%r14 + mov -48(%rax),%r15 + mov %rbx,144($context) # restore context->Rbx + mov %rbp,160($context) # restore context->Rbp + mov %r12,216($context) # restore context->R12 + mov %r13,224($context) # restore context->R13 + mov %r14,232($context) # restore context->R14 + mov %r15,240($context) # restore context->R15 + movups %xmm0,512($context) # restore context->Xmm6 + movups %xmm1,528($context) # restore context->Xmm7 + +.Lcommon_seh_tail: + mov 8(%rax),%rdi + mov 16(%rax),%rsi + mov %rax,152($context) # restore context->Rsp + mov %rsi,168($context) # restore context->Rsi + mov %rdi,176($context) # restore context->Rdi + + mov 40($disp),%rdi # disp->ContextRecord + mov $context,%rsi # context + mov \$154,%ecx # sizeof(CONTEXT) + .long 0xa548f3fc # cld; rep movsq + + mov $disp,%rsi + xor %rcx,%rcx # arg1, UNW_FLAG_NHANDLER + mov 8(%rsi),%rdx # arg2, disp->ImageBase + mov 0(%rsi),%r8 # arg3, disp->ControlPc + mov 16(%rsi),%r9 # arg4, disp->FunctionEntry + mov 40(%rsi),%r10 # disp->ContextRecord + lea 56(%rsi),%r11 # &disp->HandlerData + lea 24(%rsi),%r12 # &disp->EstablisherFrame + mov %r10,32(%rsp) # arg5 + mov %r11,40(%rsp) # arg6 + mov %r12,48(%rsp) # arg7 + mov %rcx,56(%rsp) # arg8, (NULL) + call *__imp_RtlVirtualUnwind(%rip) + + mov \$1,%eax # ExceptionContinueSearch + add \$64,%rsp + popfq + pop %r15 + pop %r14 + pop %r13 + pop %r12 + pop %rbp + pop %rbx + pop %rdi + pop %rsi + ret +.size mul_handler,.-mul_handler + +.section .pdata +.align 4 + .rva .LSEH_begin_bn_mul_mont_gather5 + .rva .LSEH_end_bn_mul_mont_gather5 + .rva .LSEH_info_bn_mul_mont_gather5 + + .rva .LSEH_begin_bn_mul4x_mont_gather5 + .rva .LSEH_end_bn_mul4x_mont_gather5 + .rva .LSEH_info_bn_mul4x_mont_gather5 + + .rva .LSEH_begin_bn_gather5 + .rva .LSEH_end_bn_gather5 + .rva .LSEH_info_bn_gather5 + +.section .xdata +.align 8 +.LSEH_info_bn_mul_mont_gather5: + .byte 9,0,0,0 + .rva mul_handler + .rva .Lmul_alloca,.Lmul_body,.Lmul_epilogue # HandlerData[] +.align 8 +.LSEH_info_bn_mul4x_mont_gather5: + .byte 9,0,0,0 + .rva mul_handler + .rva .Lmul4x_alloca,.Lmul4x_body,.Lmul4x_epilogue # HandlerData[] +.align 8 +.LSEH_info_bn_gather5: + .byte 0x01,0x0d,0x05,0x00 + .byte 0x0d,0x78,0x01,0x00 #movaps 0x10(rsp),xmm7 + .byte 0x08,0x68,0x00,0x00 #movaps (rsp),xmm6 + .byte 0x04,0x42,0x00,0x00 #sub rsp,0x28 +.align 8 +___ +} + +$code =~ s/\`([^\`]*)\`/eval($1)/gem; + +print $code; +close STDOUT; diff --git a/crypto/sha/asm/sha512-x86_64.pl b/crypto/sha/asm/sha512-x86_64.pl index e6643f8cf6..f611a2d898 100755 --- a/crypto/sha/asm/sha512-x86_64.pl +++ b/crypto/sha/asm/sha512-x86_64.pl @@ -95,50 +95,44 @@ sub ROUND_00_15() { my ($i,$a,$b,$c,$d,$e,$f,$g,$h) = @_; $code.=<<___; - mov $e,$a0 - mov $e,$a1 + ror \$`$Sigma1[2]-$Sigma1[1]`,$a0 mov $f,$a2 - - ror \$$Sigma1[0],$a0 - ror \$$Sigma1[1],$a1 - xor $g,$a2 # f^g - - xor $a1,$a0 - ror \$`$Sigma1[2]-$Sigma1[1]`,$a1 - and $e,$a2 # (f^g)&e mov $T1,`$SZ*($i&0xf)`(%rsp) - xor $a1,$a0 # Sigma1(e) - xor $g,$a2 # Ch(e,f,g)=((f^g)&e)^g + ror \$`$Sigma0[2]-$Sigma0[1]`,$a1 + xor $e,$a0 + xor $g,$a2 # f^g + + ror \$`$Sigma1[1]-$Sigma1[0]`,$a0 add $h,$T1 # T1+=h + xor $a,$a1 - mov $a,$h - add $a0,$T1 # T1+=Sigma1(e) - - add $a2,$T1 # T1+=Ch(e,f,g) - mov $a,$a0 - mov $a,$a1 - - ror \$$Sigma0[0],$h - ror \$$Sigma0[1],$a0 - mov $a,$a2 add ($Tbl,$round,$SZ),$T1 # T1+=K[round] + and $e,$a2 # (f^g)&e + mov $b,$h - xor $a0,$h - ror \$`$Sigma0[2]-$Sigma0[1]`,$a0 - or $c,$a1 # a|c + ror \$`$Sigma0[1]-$Sigma0[0]`,$a1 + xor $e,$a0 + xor $g,$a2 # Ch(e,f,g)=((f^g)&e)^g + + xor $c,$h # b^c + xor $a,$a1 + add $a2,$T1 # T1+=Ch(e,f,g) + mov $b,$a2 + + ror \$$Sigma1[0],$a0 # Sigma1(e) + and $a,$h # h=(b^c)&a + and $c,$a2 # b&c + + ror \$$Sigma0[0],$a1 # Sigma0(a) + add $a0,$T1 # T1+=Sigma1(e) + add $a2,$h # h+=b&c (completes +=Maj(a,b,c) - xor $a0,$h # h=Sigma0(a) - and $c,$a2 # a&c add $T1,$d # d+=T1 - - and $b,$a1 # (a|c)&b add $T1,$h # h+=T1 - - or $a2,$a1 # Maj(a,b,c)=((a|c)&b)|(a&c) lea 1($round),$round # round++ + add $a1,$h # h+=Sigma0(a) - add $a1,$h # h+=Maj(a,b,c) ___ } @@ -147,32 +141,30 @@ sub ROUND_16_XX() $code.=<<___; mov `$SZ*(($i+1)&0xf)`(%rsp),$a0 - mov `$SZ*(($i+14)&0xf)`(%rsp),$T1 - - mov $a0,$a2 + mov `$SZ*(($i+14)&0xf)`(%rsp),$a1 + mov $a0,$T1 + mov $a1,$a2 + ror \$`$sigma0[1]-$sigma0[0]`,$T1 + xor $a0,$T1 shr \$$sigma0[2],$a0 - ror \$$sigma0[0],$a2 - xor $a2,$a0 - ror \$`$sigma0[1]-$sigma0[0]`,$a2 + ror \$$sigma0[0],$T1 + xor $T1,$a0 # sigma0(X[(i+1)&0xf]) + mov `$SZ*(($i+9)&0xf)`(%rsp),$T1 - xor $a2,$a0 # sigma0(X[(i+1)&0xf]) - mov $T1,$a1 - - shr \$$sigma1[2],$T1 - ror \$$sigma1[0],$a1 - - xor $a1,$T1 - ror \$`$sigma1[1]-$sigma1[0]`,$a1 - - xor $a1,$T1 # sigma1(X[(i+14)&0xf]) + ror \$`$sigma1[1]-$sigma1[0]`,$a2 + xor $a1,$a2 + shr \$$sigma1[2],$a1 + ror \$$sigma1[0],$a2 add $a0,$T1 - - add `$SZ*(($i+9)&0xf)`(%rsp),$T1 + xor $a2,$a1 # sigma1(X[(i+14)&0xf]) add `$SZ*($i&0xf)`(%rsp),$T1 + mov $e,$a0 + add $a1,$T1 + mov $a,$a1 ___ &ROUND_00_15(@_); } @@ -219,6 +211,8 @@ $func: ___ for($i=0;$i<16;$i++) { $code.=" mov $SZ*$i($inp),$T1\n"; + $code.=" mov @ROT[4],$a0\n"; + $code.=" mov @ROT[0],$a1\n"; $code.=" bswap $T1\n"; &ROUND_00_15($i,@ROT); unshift(@ROT,pop(@ROT)); diff --git a/crypto/x86_64cpuid.pl b/crypto/x86_64cpuid.pl index 9782dd61ac..7b7b93b223 100644 --- a/crypto/x86_64cpuid.pl +++ b/crypto/x86_64cpuid.pl @@ -23,7 +23,7 @@ print<<___; call OPENSSL_cpuid_setup .hidden OPENSSL_ia32cap_P -.comm OPENSSL_ia32cap_P,8 +.comm OPENSSL_ia32cap_P,8,4 .text