2017-06-17 11:46:29 +00:00
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#!/usr/bin/env perl
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2018-05-29 12:07:08 +00:00
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# Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
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2017-06-17 11:46:29 +00:00
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#
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# Licensed under the OpenSSL license (the "License"). You may not use
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# this file except in compliance with the License. You can obtain a copy
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# in the file LICENSE in the source distribution or at
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# https://www.openssl.org/source/license.html
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#
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# ====================================================================
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# Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
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# project. The module is, however, dual licensed under OpenSSL and
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# CRYPTOGAMS licenses depending on where you obtain it. For further
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# details see http://www.openssl.org/~appro/cryptogams/.
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# ====================================================================
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#
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# Keccak-1600 for PowerISA 2.07.
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#
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# June 2017.
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#
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# This is straightforward KECCAK_1X_ALT SIMD implementation, but with
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# disjoint Rho and Pi. The module is ABI-bitness- and endian-neutral.
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# POWER8 processor spends 9.8 cycles to process byte out of large
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# buffer for r=1088, which matches SHA3-256. This is 17% better than
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# scalar PPC64 code. It probably should be noted that if POWER8's
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# successor can achieve higher scalar instruction issue rate, then
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2018-05-09 10:24:05 +00:00
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# this module will loose... And it does on POWER9 with 8.8 vs. 7.2.
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2017-06-17 11:46:29 +00:00
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$flavour = shift;
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if ($flavour =~ /64/) {
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$SIZE_T =8;
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$LRSAVE =2*$SIZE_T;
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$UCMP ="cmpld";
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$STU ="stdu";
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$POP ="ld";
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$PUSH ="std";
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} elsif ($flavour =~ /32/) {
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$SIZE_T =4;
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$LRSAVE =$SIZE_T;
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$STU ="stwu";
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$POP ="lwz";
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$PUSH ="stw";
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$UCMP ="cmplw";
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} else { die "nonsense $flavour"; }
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$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
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( $xlate="${dir}ppc-xlate.pl" and -f $xlate ) or
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( $xlate="${dir}../../perlasm/ppc-xlate.pl" and -f $xlate) or
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die "can't locate ppc-xlate.pl";
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open STDOUT,"| $^X $xlate $flavour ".shift || die "can't call $xlate: $!";
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$FRAME=6*$SIZE_T+13*16; # 13*16 is for v20-v31 offload
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my $sp ="r1";
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my $iotas = "r12";
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########################################################################
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# Register layout:
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#
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# v0 A[0][0] A[1][0]
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# v1 A[0][1] A[1][1]
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# v2 A[0][2] A[1][2]
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# v3 A[0][3] A[1][3]
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# v4 A[0][4] A[1][4]
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#
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# v5 A[2][0] A[3][0]
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# v6 A[2][1] A[3][1]
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# v7 A[2][2] A[3][2]
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# v8 A[2][3] A[3][3]
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# v9 A[2][4] A[3][4]
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#
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# v10 A[4][0] A[4][1]
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# v11 A[4][2] A[4][3]
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# v12 A[4][4] A[4][4]
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#
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# v13..25 rhotates[][]
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# v26..31 volatile
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#
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$code.=<<___;
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.machine "any"
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.text
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.type KeccakF1600_int,\@function
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.align 5
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KeccakF1600_int:
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li r0,24
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mtctr r0
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li r0,0
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b .Loop
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.align 4
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.Loop:
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; Theta
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vxor v26,v0, v5 ; A[0..1][0]^A[2..3][0]
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vxor v27,v1, v6 ; A[0..1][1]^A[2..3][1]
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vxor v28,v2, v7 ; A[0..1][2]^A[2..3][2]
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vxor v29,v3, v8 ; A[0..1][3]^A[2..3][3]
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vxor v30,v4, v9 ; A[0..1][4]^A[2..3][4]
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vpermdi v31,v26,v27,0b00 ; A[0][0..1]^A[2][0..1]
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vpermdi v26,v26,v27,0b11 ; A[1][0..1]^A[3][0..1]
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vpermdi v27,v28,v29,0b00 ; A[0][2..3]^A[2][2..3]
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vpermdi v28,v28,v29,0b11 ; A[1][2..3]^A[3][2..3]
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vpermdi v29,v30,v30,0b10 ; A[1..0][4]^A[3..2][4]
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vxor v26,v26,v31 ; C[0..1]
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vxor v27,v27,v28 ; C[2..3]
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vxor v28,v29,v30 ; C[4..4]
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vspltisb v31,1
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vxor v26,v26,v10 ; C[0..1] ^= A[4][0..1]
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vxor v27,v27,v11 ; C[2..3] ^= A[4][2..3]
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vxor v28,v28,v12 ; C[4..4] ^= A[4][4..4], low!
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vrld v29,v26,v31 ; ROL64(C[0..1],1)
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vrld v30,v27,v31 ; ROL64(C[2..3],1)
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vrld v31,v28,v31 ; ROL64(C[4..4],1)
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vpermdi v31,v31,v29,0b10
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vxor v26,v26,v30 ; C[0..1] ^= ROL64(C[2..3],1)
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vxor v27,v27,v31 ; C[2..3] ^= ROL64(C[4..0],1)
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vxor v28,v28,v29 ; C[4..4] ^= ROL64(C[0..1],1), low!
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vpermdi v29,v26,v26,0b00 ; C[0..0]
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vpermdi v30,v28,v26,0b10 ; C[4..0]
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vpermdi v31,v28,v28,0b11 ; C[4..4]
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vxor v1, v1, v29 ; A[0..1][1] ^= C[0..0]
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vxor v6, v6, v29 ; A[2..3][1] ^= C[0..0]
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vxor v10,v10,v30 ; A[4][0..1] ^= C[4..0]
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vxor v0, v0, v31 ; A[0..1][0] ^= C[4..4]
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vxor v5, v5, v31 ; A[2..3][0] ^= C[4..4]
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vpermdi v29,v27,v27,0b00 ; C[2..2]
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vpermdi v30,v26,v26,0b11 ; C[1..1]
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vpermdi v31,v26,v27,0b10 ; C[1..2]
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vxor v3, v3, v29 ; A[0..1][3] ^= C[2..2]
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vxor v8, v8, v29 ; A[2..3][3] ^= C[2..2]
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vxor v2, v2, v30 ; A[0..1][2] ^= C[1..1]
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vxor v7, v7, v30 ; A[2..3][2] ^= C[1..1]
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vxor v11,v11,v31 ; A[4][2..3] ^= C[1..2]
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vpermdi v29,v27,v27,0b11 ; C[3..3]
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vxor v4, v4, v29 ; A[0..1][4] ^= C[3..3]
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vxor v9, v9, v29 ; A[2..3][4] ^= C[3..3]
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vxor v12,v12,v29 ; A[4..4][4] ^= C[3..3]
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; Rho
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vrld v26,v0, v13 ; v0
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vrld v1, v1, v14
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vrld v27,v2, v15 ; v2
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vrld v28,v3, v16 ; v3
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vrld v4, v4, v17
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vrld v5, v5, v18
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vrld v6, v6, v19
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vrld v29,v7, v20 ; v7
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vrld v8, v8, v21
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vrld v9, v9, v22
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vrld v10,v10,v23
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vrld v30,v11,v24 ; v11
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vrld v12,v12,v25
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; Pi
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vpermdi v0, v26,v28,0b00 ; [0][0] [1][0] < [0][0] [0][3]
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vpermdi v2, v29,v5, 0b00 ; [0][2] [1][2] < [2][2] [2][0]
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vpermdi v11,v9, v5, 0b01 ; [4][2] [4][3] < [2][4] [3][0]
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vpermdi v5, v1, v4, 0b00 ; [2][0] [3][0] < [0][1] [0][4]
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vpermdi v1, v1, v4, 0b11 ; [0][1] [1][1] < [1][1] [1][4]
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vpermdi v3, v8, v6, 0b11 ; [0][3] [1][3] < [3][3] [3][1]
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vpermdi v4, v12,v30,0b10 ; [0][4] [1][4] < [4][4] [4][2]
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vpermdi v7, v8, v6, 0b00 ; [2][2] [3][2] < [2][3] [2][1]
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vpermdi v6, v27,v26,0b11 ; [2][1] [3][1] < [1][2] [1][0]
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vpermdi v8, v9, v29,0b11 ; [2][3] [3][3] < [3][4] [3][2]
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vpermdi v12,v10,v10,0b11 ; [4][4] [4][4] < [4][1] [4][1]
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vpermdi v9, v10,v30,0b01 ; [2][4] [3][4] < [4][0] [4][3]
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vpermdi v10,v27,v28,0b01 ; [4][0] [4][1] < [0][2] [1][3]
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; Chi + Iota
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lvx_u v31,$iotas,r0 ; iotas[index]
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addic r0,r0,16 ; index++
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vandc v26,v2, v1 ; (~A[0..1][1] & A[0..1][2])
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vandc v27,v3, v2 ; (~A[0..1][2] & A[0..1][3])
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vandc v28,v4, v3 ; (~A[0..1][3] & A[0..1][4])
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vandc v29,v0, v4 ; (~A[0..1][4] & A[0..1][0])
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vandc v30,v1, v0 ; (~A[0..1][0] & A[0..1][1])
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vxor v0, v0, v26 ; A[0..1][0] ^= (~A[0..1][1] & A[0..1][2])
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vxor v1, v1, v27 ; A[0..1][1] ^= (~A[0..1][2] & A[0..1][3])
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vxor v2, v2, v28 ; A[0..1][2] ^= (~A[0..1][3] & A[0..1][4])
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vxor v3, v3, v29 ; A[0..1][3] ^= (~A[0..1][4] & A[0..1][0])
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vxor v4, v4, v30 ; A[0..1][4] ^= (~A[0..1][0] & A[0..1][1])
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vandc v26,v7, v6 ; (~A[2..3][1] & A[2..3][2])
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vandc v27,v8, v7 ; (~A[2..3][2] & A[2..3][3])
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vandc v28,v9, v8 ; (~A[2..3][3] & A[2..3][4])
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vandc v29,v5, v9 ; (~A[2..3][4] & A[2..3][0])
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vandc v30,v6, v5 ; (~A[2..3][0] & A[2..3][1])
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vxor v5, v5, v26 ; A[2..3][0] ^= (~A[2..3][1] & A[2..3][2])
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vxor v6, v6, v27 ; A[2..3][1] ^= (~A[2..3][2] & A[2..3][3])
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vxor v7, v7, v28 ; A[2..3][2] ^= (~A[2..3][3] & A[2..3][4])
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vxor v8, v8, v29 ; A[2..3][3] ^= (~A[2..3][4] & A[2..3][0])
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vxor v9, v9, v30 ; A[2..3][4] ^= (~A[2..3][0] & A[2..3][1])
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vxor v0, v0, v31 ; A[0][0] ^= iotas[index++]
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vpermdi v26,v10,v11,0b10 ; A[4][1..2]
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vpermdi v27,v12,v10,0b00 ; A[4][4..0]
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vpermdi v28,v11,v12,0b10 ; A[4][3..4]
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vpermdi v29,v10,v10,0b10 ; A[4][1..0]
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vandc v26,v11,v26 ; (~A[4][1..2] & A[4][2..3])
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vandc v27,v27,v28 ; (~A[4][3..4] & A[4][4..0])
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vandc v28,v10,v29 ; (~A[4][1..0] & A[4][0..1])
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vxor v10,v10,v26 ; A[4][0..1] ^= (~A[4][1..2] & A[4][2..3])
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vxor v11,v11,v27 ; A[4][2..3] ^= (~A[4][3..4] & A[4][4..0])
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vxor v12,v12,v28 ; A[4][4..4] ^= (~A[4][0..1] & A[4][1..0])
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bdnz .Loop
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vpermdi v12,v12,v12,0b11 ; broadcast A[4][4]
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blr
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.long 0
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.byte 0,12,0x14,0,0,0,0,0
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.size KeccakF1600_int,.-KeccakF1600_int
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.type KeccakF1600,\@function
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.align 5
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KeccakF1600:
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$STU $sp,-$FRAME($sp)
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li r10,`15+6*$SIZE_T`
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li r11,`31+6*$SIZE_T`
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mflr r8
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mfspr r7, 256 ; save vrsave
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stvx v20,r10,$sp
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addi r10,r10,32
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stvx v21,r11,$sp
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addi r11,r11,32
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stvx v22,r10,$sp
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addi r10,r10,32
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stvx v23,r11,$sp
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addi r11,r11,32
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stvx v24,r10,$sp
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addi r10,r10,32
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stvx v25,r11,$sp
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addi r11,r11,32
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stvx v26,r10,$sp
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addi r10,r10,32
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stvx v27,r11,$sp
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|
|
|
|
addi r11,r11,32
|
|
|
|
|
stvx v28,r10,$sp
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
stvx v29,r11,$sp
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
stvx v30,r10,$sp
|
|
|
|
|
stvx v31,r11,$sp
|
|
|
|
|
stw r7,`$FRAME-4`($sp) ; save vrsave
|
|
|
|
|
li r0, -1
|
|
|
|
|
$PUSH r8,`$FRAME+$LRSAVE`($sp)
|
|
|
|
|
mtspr 256, r0 ; preserve all AltiVec registers
|
|
|
|
|
|
|
|
|
|
li r11,16
|
|
|
|
|
lvx_4w v0,0,r3 ; load A[5][5]
|
|
|
|
|
li r10,32
|
|
|
|
|
lvx_4w v1,r11,r3
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx_4w v2,r10,r3
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx_4w v3,r11,r3
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx_4w v4,r10,r3
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx_4w v5,r11,r3
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx_4w v6,r10,r3
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx_4w v7,r11,r3
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx_4w v8,r10,r3
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx_4w v9,r11,r3
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx_4w v10,r10,r3
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx_4w v11,r11,r3
|
|
|
|
|
lvx_splt v12,r10,r3
|
|
|
|
|
|
|
|
|
|
bl PICmeup
|
|
|
|
|
|
|
|
|
|
li r11,16
|
|
|
|
|
lvx_u v13,0,r12 ; load rhotates
|
|
|
|
|
li r10,32
|
|
|
|
|
lvx_u v14,r11,r12
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx_u v15,r10,r12
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx_u v16,r11,r12
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx_u v17,r10,r12
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx_u v18,r11,r12
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx_u v19,r10,r12
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx_u v20,r11,r12
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx_u v21,r10,r12
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx_u v22,r11,r12
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx_u v23,r10,r12
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx_u v24,r11,r12
|
|
|
|
|
lvx_u v25,r10,r12
|
|
|
|
|
addi r12,r12,`16*16` ; points at iotas
|
|
|
|
|
|
|
|
|
|
bl KeccakF1600_int
|
|
|
|
|
|
|
|
|
|
li r11,16
|
|
|
|
|
stvx_4w v0,0,r3 ; return A[5][5]
|
|
|
|
|
li r10,32
|
|
|
|
|
stvx_4w v1,r11,r3
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
stvx_4w v2,r10,r3
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
stvx_4w v3,r11,r3
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
stvx_4w v4,r10,r3
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
stvx_4w v5,r11,r3
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
stvx_4w v6,r10,r3
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
stvx_4w v7,r11,r3
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
stvx_4w v8,r10,r3
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
stvx_4w v9,r11,r3
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
stvx_4w v10,r10,r3
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
stvx_4w v11,r11,r3
|
|
|
|
|
stvdx_u v12,r10,r3
|
|
|
|
|
|
|
|
|
|
li r10,`15+6*$SIZE_T`
|
|
|
|
|
li r11,`31+6*$SIZE_T`
|
|
|
|
|
mtlr r8
|
|
|
|
|
mtspr 256, r7 ; restore vrsave
|
|
|
|
|
lvx v20,r10,$sp
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx v21,r11,$sp
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx v22,r10,$sp
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx v23,r11,$sp
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx v24,r10,$sp
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx v25,r11,$sp
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx v26,r10,$sp
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx v27,r11,$sp
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx v28,r10,$sp
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx v29,r11,$sp
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx v30,r10,$sp
|
|
|
|
|
lvx v31,r11,$sp
|
|
|
|
|
addi $sp,$sp,$FRAME
|
|
|
|
|
blr
|
|
|
|
|
.long 0
|
|
|
|
|
.byte 0,12,0x04,1,0x80,0,1,0
|
|
|
|
|
.long 0
|
|
|
|
|
.size KeccakF1600,.-KeccakF1600
|
|
|
|
|
___
|
|
|
|
|
{
|
|
|
|
|
my ($A_jagged,$inp,$len,$bsz) = map("r$_",(3..6));
|
|
|
|
|
|
|
|
|
|
$code.=<<___;
|
|
|
|
|
.globl SHA3_absorb
|
|
|
|
|
.type SHA3_absorb,\@function
|
|
|
|
|
.align 5
|
|
|
|
|
SHA3_absorb:
|
|
|
|
|
$STU $sp,-$FRAME($sp)
|
|
|
|
|
li r10,`15+6*$SIZE_T`
|
|
|
|
|
li r11,`31+6*$SIZE_T`
|
|
|
|
|
mflr r8
|
|
|
|
|
mfspr r7, 256 ; save vrsave
|
|
|
|
|
stvx v20,r10,$sp
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
stvx v21,r11,$sp
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
stvx v22,r10,$sp
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
stvx v23,r11,$sp
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
stvx v24,r10,$sp
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
stvx v25,r11,$sp
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
stvx v26,r10,$sp
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
stvx v27,r11,$sp
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
stvx v28,r10,$sp
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
stvx v29,r11,$sp
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
stvx v30,r10,$sp
|
|
|
|
|
stvx v31,r11,$sp
|
|
|
|
|
stw r7,`$FRAME-4`($sp) ; save vrsave
|
|
|
|
|
li r0, -1
|
|
|
|
|
$PUSH r8,`$FRAME+$LRSAVE`($sp)
|
|
|
|
|
mtspr 256, r0 ; preserve all AltiVec registers
|
|
|
|
|
|
|
|
|
|
li r11,16
|
|
|
|
|
lvx_4w v0,0,$A_jagged ; load A[5][5]
|
|
|
|
|
li r10,32
|
|
|
|
|
lvx_4w v1,r11,$A_jagged
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx_4w v2,r10,$A_jagged
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx_4w v3,r11,$A_jagged
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx_4w v4,r10,$A_jagged
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx_4w v5,r11,$A_jagged
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx_4w v6,r10,$A_jagged
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx_4w v7,r11,$A_jagged
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx_4w v8,r10,$A_jagged
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx_4w v9,r11,$A_jagged
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx_4w v10,r10,$A_jagged
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx_4w v11,r11,$A_jagged
|
|
|
|
|
lvx_splt v12,r10,$A_jagged
|
|
|
|
|
|
|
|
|
|
bl PICmeup
|
|
|
|
|
|
|
|
|
|
li r11,16
|
|
|
|
|
lvx_u v13,0,r12 ; load rhotates
|
|
|
|
|
li r10,32
|
|
|
|
|
lvx_u v14,r11,r12
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx_u v15,r10,r12
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx_u v16,r11,r12
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx_u v17,r10,r12
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx_u v18,r11,r12
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx_u v19,r10,r12
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx_u v20,r11,r12
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx_u v21,r10,r12
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx_u v22,r11,r12
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx_u v23,r10,r12
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx_u v24,r11,r12
|
|
|
|
|
lvx_u v25,r10,r12
|
|
|
|
|
li r10,-32
|
|
|
|
|
li r11,-16
|
|
|
|
|
addi r12,r12,`16*16` ; points at iotas
|
|
|
|
|
b .Loop_absorb
|
|
|
|
|
|
|
|
|
|
.align 4
|
|
|
|
|
.Loop_absorb:
|
|
|
|
|
$UCMP $len,$bsz ; len < bsz?
|
|
|
|
|
blt .Labsorbed
|
|
|
|
|
|
|
|
|
|
sub $len,$len,$bsz ; len -= bsz
|
|
|
|
|
srwi r0,$bsz,3
|
|
|
|
|
mtctr r0
|
|
|
|
|
|
|
|
|
|
lvx_u v30,r10,r12 ; permutation masks
|
|
|
|
|
lvx_u v31,r11,r12
|
|
|
|
|
?vspltisb v27,7 ; prepare masks for byte swap
|
|
|
|
|
?vxor v30,v30,v27 ; on big-endian
|
|
|
|
|
?vxor v31,v31,v27
|
|
|
|
|
|
|
|
|
|
vxor v27,v27,v27 ; zero
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v30
|
|
|
|
|
vxor v0, v0, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v30
|
|
|
|
|
vxor v1, v1, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v30
|
|
|
|
|
vxor v2, v2, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v30
|
|
|
|
|
vxor v3, v3, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v30
|
|
|
|
|
vxor v4, v4, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v31
|
|
|
|
|
vxor v0, v0, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v31
|
|
|
|
|
vxor v1, v1, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v31
|
|
|
|
|
vxor v2, v2, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v31
|
|
|
|
|
vxor v3, v3, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v31
|
|
|
|
|
vxor v4, v4, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v30
|
|
|
|
|
vxor v5, v5, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v30
|
|
|
|
|
vxor v6, v6, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v30
|
|
|
|
|
vxor v7, v7, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v30
|
|
|
|
|
vxor v8, v8, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v30
|
|
|
|
|
vxor v9, v9, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v31
|
|
|
|
|
vxor v5, v5, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v31
|
|
|
|
|
vxor v6, v6, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v31
|
|
|
|
|
vxor v7, v7, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v31
|
|
|
|
|
vxor v8, v8, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v31
|
|
|
|
|
vxor v9, v9, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v30
|
|
|
|
|
vxor v10, v10, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v31
|
|
|
|
|
vxor v10, v10, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v30
|
|
|
|
|
vxor v11, v11, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v31
|
|
|
|
|
vxor v11, v11, v26
|
|
|
|
|
bdz .Lprocess_block
|
|
|
|
|
lvdx_u v26,0,$inp
|
|
|
|
|
addi $inp,$inp,8
|
|
|
|
|
vperm v26,v26,v27,v31
|
|
|
|
|
vxor v12, v12, v26
|
|
|
|
|
|
|
|
|
|
.Lprocess_block:
|
|
|
|
|
bl KeccakF1600_int
|
|
|
|
|
|
|
|
|
|
b .Loop_absorb
|
|
|
|
|
|
|
|
|
|
.align 4
|
|
|
|
|
.Labsorbed:
|
|
|
|
|
li r11,16
|
|
|
|
|
stvx_4w v0,0,$A_jagged ; return A[5][5]
|
|
|
|
|
li r10,32
|
|
|
|
|
stvx_4w v1,r11,$A_jagged
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
stvx_4w v2,r10,$A_jagged
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
stvx_4w v3,r11,$A_jagged
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
stvx_4w v4,r10,$A_jagged
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
stvx_4w v5,r11,$A_jagged
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
stvx_4w v6,r10,$A_jagged
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
stvx_4w v7,r11,$A_jagged
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
stvx_4w v8,r10,$A_jagged
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
stvx_4w v9,r11,$A_jagged
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
stvx_4w v10,r10,$A_jagged
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
stvx_4w v11,r11,$A_jagged
|
|
|
|
|
stvdx_u v12,r10,$A_jagged
|
|
|
|
|
|
|
|
|
|
mr r3,$len ; return value
|
|
|
|
|
li r10,`15+6*$SIZE_T`
|
|
|
|
|
li r11,`31+6*$SIZE_T`
|
|
|
|
|
mtlr r8
|
|
|
|
|
mtspr 256, r7 ; restore vrsave
|
|
|
|
|
lvx v20,r10,$sp
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx v21,r11,$sp
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx v22,r10,$sp
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx v23,r11,$sp
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx v24,r10,$sp
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx v25,r11,$sp
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx v26,r10,$sp
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx v27,r11,$sp
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx v28,r10,$sp
|
|
|
|
|
addi r10,r10,32
|
|
|
|
|
lvx v29,r11,$sp
|
|
|
|
|
addi r11,r11,32
|
|
|
|
|
lvx v30,r10,$sp
|
|
|
|
|
lvx v31,r11,$sp
|
|
|
|
|
addi $sp,$sp,$FRAME
|
|
|
|
|
blr
|
|
|
|
|
.long 0
|
|
|
|
|
.byte 0,12,0x04,1,0x80,0,4,0
|
|
|
|
|
.long 0
|
|
|
|
|
.size SHA3_absorb,.-SHA3_absorb
|
|
|
|
|
___
|
|
|
|
|
}
|
|
|
|
|
{
|
|
|
|
|
my ($A_jagged,$out,$len,$bsz) = map("r$_",(3..6));
|
|
|
|
|
|
|
|
|
|
$code.=<<___;
|
|
|
|
|
.globl SHA3_squeeze
|
|
|
|
|
.type SHA3_squeeze,\@function
|
|
|
|
|
.align 5
|
|
|
|
|
SHA3_squeeze:
|
|
|
|
|
mflr r9 ; r9 is not touched by KeccakF1600
|
|
|
|
|
subi $out,$out,1 ; prepare for stbu
|
|
|
|
|
addi r8,$A_jagged,4 ; prepare volatiles
|
|
|
|
|
mr r10,$bsz
|
|
|
|
|
li r11,0
|
|
|
|
|
b .Loop_squeeze
|
|
|
|
|
.align 4
|
|
|
|
|
.Loop_squeeze:
|
|
|
|
|
lwzx r7,r11,r8 ; lo
|
|
|
|
|
lwzx r0,r11,$A_jagged ; hi
|
|
|
|
|
${UCMP}i $len,8
|
|
|
|
|
blt .Lsqueeze_tail
|
|
|
|
|
|
|
|
|
|
stbu r7,1($out) ; write lo
|
|
|
|
|
srwi r7,r7,8
|
|
|
|
|
stbu r7,1($out)
|
|
|
|
|
srwi r7,r7,8
|
|
|
|
|
stbu r7,1($out)
|
|
|
|
|
srwi r7,r7,8
|
|
|
|
|
stbu r7,1($out)
|
|
|
|
|
stbu r0,1($out) ; write hi
|
|
|
|
|
srwi r0,r0,8
|
|
|
|
|
stbu r0,1($out)
|
|
|
|
|
srwi r0,r0,8
|
|
|
|
|
stbu r0,1($out)
|
|
|
|
|
srwi r0,r0,8
|
|
|
|
|
stbu r0,1($out)
|
|
|
|
|
|
|
|
|
|
subic. $len,$len,8
|
|
|
|
|
beqlr ; return if done
|
|
|
|
|
|
|
|
|
|
subic. r10,r10,8
|
|
|
|
|
ble .Loutput_expand
|
|
|
|
|
|
|
|
|
|
addi r11,r11,16 ; calculate jagged index
|
|
|
|
|
cmplwi r11,`16*5`
|
|
|
|
|
blt .Loop_squeeze
|
|
|
|
|
subi r11,r11,72
|
|
|
|
|
beq .Loop_squeeze
|
|
|
|
|
addi r11,r11,72
|
|
|
|
|
cmplwi r11,`16*5+8`
|
|
|
|
|
subi r11,r11,8
|
|
|
|
|
beq .Loop_squeeze
|
|
|
|
|
addi r11,r11,8
|
|
|
|
|
cmplwi r11,`16*10`
|
|
|
|
|
subi r11,r11,72
|
|
|
|
|
beq .Loop_squeeze
|
|
|
|
|
addi r11,r11,72
|
|
|
|
|
blt .Loop_squeeze
|
|
|
|
|
subi r11,r11,8
|
|
|
|
|
b .Loop_squeeze
|
|
|
|
|
|
|
|
|
|
.align 4
|
|
|
|
|
.Loutput_expand:
|
|
|
|
|
bl KeccakF1600
|
|
|
|
|
mtlr r9
|
|
|
|
|
|
|
|
|
|
addi r8,$A_jagged,4 ; restore volatiles
|
|
|
|
|
mr r10,$bsz
|
|
|
|
|
li r11,0
|
|
|
|
|
b .Loop_squeeze
|
|
|
|
|
|
|
|
|
|
.align 4
|
|
|
|
|
.Lsqueeze_tail:
|
|
|
|
|
mtctr $len
|
|
|
|
|
subic. $len,$len,4
|
|
|
|
|
ble .Loop_tail_lo
|
|
|
|
|
li r8,4
|
|
|
|
|
mtctr r8
|
|
|
|
|
.Loop_tail_lo:
|
|
|
|
|
stbu r7,1($out)
|
|
|
|
|
srdi r7,r7,8
|
|
|
|
|
bdnz .Loop_tail_lo
|
|
|
|
|
ble .Lsqueeze_done
|
|
|
|
|
mtctr $len
|
|
|
|
|
.Loop_tail_hi:
|
|
|
|
|
stbu r0,1($out)
|
|
|
|
|
srdi r0,r0,8
|
|
|
|
|
bdnz .Loop_tail_hi
|
|
|
|
|
|
|
|
|
|
.Lsqueeze_done:
|
|
|
|
|
blr
|
|
|
|
|
.long 0
|
|
|
|
|
.byte 0,12,0x14,0,0,0,4,0
|
|
|
|
|
.long 0
|
|
|
|
|
.size SHA3_squeeze,.-SHA3_squeeze
|
|
|
|
|
___
|
|
|
|
|
}
|
|
|
|
|
$code.=<<___;
|
|
|
|
|
.align 6
|
|
|
|
|
PICmeup:
|
|
|
|
|
mflr r0
|
|
|
|
|
bcl 20,31,\$+4
|
|
|
|
|
mflr r12 ; vvvvvv "distance" between . and 1st data entry
|
|
|
|
|
addi r12,r12,`64-8`
|
|
|
|
|
mtlr r0
|
|
|
|
|
blr
|
|
|
|
|
.long 0
|
|
|
|
|
.byte 0,12,0x14,0,0,0,0,0
|
|
|
|
|
.space `64-9*4`
|
|
|
|
|
.type rhotates,\@object
|
|
|
|
|
.align 6
|
|
|
|
|
rhotates:
|
|
|
|
|
.quad 0, 36
|
|
|
|
|
.quad 1, 44
|
|
|
|
|
.quad 62, 6
|
|
|
|
|
.quad 28, 55
|
|
|
|
|
.quad 27, 20
|
|
|
|
|
.quad 3, 41
|
|
|
|
|
.quad 10, 45
|
|
|
|
|
.quad 43, 15
|
|
|
|
|
.quad 25, 21
|
|
|
|
|
.quad 39, 8
|
|
|
|
|
.quad 18, 2
|
|
|
|
|
.quad 61, 56
|
|
|
|
|
.quad 14, 14
|
|
|
|
|
.size rhotates,.-rhotates
|
|
|
|
|
.quad 0,0
|
|
|
|
|
.quad 0x0001020304050607,0x1011121314151617
|
|
|
|
|
.quad 0x1011121314151617,0x0001020304050607
|
|
|
|
|
.type iotas,\@object
|
|
|
|
|
iotas:
|
|
|
|
|
.quad 0x0000000000000001,0
|
|
|
|
|
.quad 0x0000000000008082,0
|
|
|
|
|
.quad 0x800000000000808a,0
|
|
|
|
|
.quad 0x8000000080008000,0
|
|
|
|
|
.quad 0x000000000000808b,0
|
|
|
|
|
.quad 0x0000000080000001,0
|
|
|
|
|
.quad 0x8000000080008081,0
|
|
|
|
|
.quad 0x8000000000008009,0
|
|
|
|
|
.quad 0x000000000000008a,0
|
|
|
|
|
.quad 0x0000000000000088,0
|
|
|
|
|
.quad 0x0000000080008009,0
|
|
|
|
|
.quad 0x000000008000000a,0
|
|
|
|
|
.quad 0x000000008000808b,0
|
|
|
|
|
.quad 0x800000000000008b,0
|
|
|
|
|
.quad 0x8000000000008089,0
|
|
|
|
|
.quad 0x8000000000008003,0
|
|
|
|
|
.quad 0x8000000000008002,0
|
|
|
|
|
.quad 0x8000000000000080,0
|
|
|
|
|
.quad 0x000000000000800a,0
|
|
|
|
|
.quad 0x800000008000000a,0
|
|
|
|
|
.quad 0x8000000080008081,0
|
|
|
|
|
.quad 0x8000000000008080,0
|
|
|
|
|
.quad 0x0000000080000001,0
|
|
|
|
|
.quad 0x8000000080008008,0
|
|
|
|
|
.size iotas,.-iotas
|
|
|
|
|
.asciz "Keccak-1600 absorb and squeeze for PowerISA 2.07, CRYPTOGAMS by <appro\@openssl.org>"
|
|
|
|
|
___
|
|
|
|
|
|
|
|
|
|
foreach (split("\n",$code)) {
|
|
|
|
|
s/\`([^\`]*)\`/eval $1/ge;
|
|
|
|
|
|
|
|
|
|
if ($flavour =~ /le$/) { # little-endian
|
|
|
|
|
s/\?([a-z]+)/;$1/;
|
|
|
|
|
} else { # big-endian
|
|
|
|
|
s/\?([a-z]+)/$1/;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
print $_,"\n";
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
close STDOUT;
|
