AES_set_[en|de]crypt_key for s390x.
This commit is contained in:
Andy Polyakov
parent
281cfff026
commit
76c828c627
3 changed files with 455 additions and 22 deletions
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@ -124,7 +124,7 @@ my $x86_64_asm="x86_64cpuid.o:x86_64-gcc.o x86_64-mont.o::aes-x86_64.o::md5-x86_
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my $ia64_asm="ia64cpuid.o:bn-ia64.o::aes_core.o aes_cbc.o aes-ia64.o::md5-ia64.o:sha1-ia64.o sha256-ia64.o sha512-ia64.o::rc4-ia64.o rc4_skey.o:::";
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my $ia64_asm="ia64cpuid.o:bn-ia64.o::aes_core.o aes_cbc.o aes-ia64.o::md5-ia64.o:sha1-ia64.o sha256-ia64.o sha512-ia64.o::rc4-ia64.o rc4_skey.o:::";
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my $sparcv9_asm="sparcv9cap.o sparccpuid.o:bn-sparcv9.o sparcv9-mont.o sparcv9a-mont.o:des_enc-sparc.o fcrypt_b.o:aes_core.o aes_cbc.o aes-sparcv9.o:::sha1-sparcv9.o sha256-sparcv9.o sha512-sparcv9.o:::::";
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my $sparcv9_asm="sparcv9cap.o sparccpuid.o:bn-sparcv9.o sparcv9-mont.o sparcv9a-mont.o:des_enc-sparc.o fcrypt_b.o:aes_core.o aes_cbc.o aes-sparcv9.o:::sha1-sparcv9.o sha256-sparcv9.o sha512-sparcv9.o:::::";
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my $alpha_asm="alphacpuid.o:bn_asm.o alpha-mont.o::::::::::";
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my $alpha_asm="alphacpuid.o:bn_asm.o alpha-mont.o::::::::::";
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my $s390x_asm=":bn_asm.o s390x-mont.o::aes_core.o aes_cbc.o aes-s390x.o:::sha1-s390x.o sha256-s390x.o sha512-s390x.o:::::";
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my $s390x_asm=":bn_asm.o s390x-mont.o::aes_cbc.o aes-s390x.o:::sha1-s390x.o sha256-s390x.o sha512-s390x.o:::::";
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my $no_asm=":::::::::::";
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my $no_asm=":::::::::::";
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# As for $BSDthreads. Idea is to maintain "collective" set of flags,
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# As for $BSDthreads. Idea is to maintain "collective" set of flags,
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2
TABLE
2
TABLE
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@ -3091,7 +3091,7 @@ $bn_ops = SIXTY_FOUR_BIT_LONG RC4_CHAR RC4_CHUNK DES_INT DES_UNROLL
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$cpuid_obj =
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$cpuid_obj =
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$bn_obj = bn_asm.o s390x-mont.o
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$bn_obj = bn_asm.o s390x-mont.o
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$des_obj =
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$des_obj =
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$aes_obj = aes_core.o aes_cbc.o aes-s390x.o
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$aes_obj = aes_cbc.o aes-s390x.o
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$bf_obj =
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$bf_obj =
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$md5_obj =
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$md5_obj =
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$sha1_obj = sha1-s390x.o sha256-s390x.o sha512-s390x.o
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$sha1_obj = sha1-s390x.o sha256-s390x.o sha512-s390x.o
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@ -16,7 +16,7 @@
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# You're likely to exclaim "why so slow?" Keep in mind that z-CPUs are
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# You're likely to exclaim "why so slow?" Keep in mind that z-CPUs are
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# *strictly* in-order execution and issued instruction [in this case
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# *strictly* in-order execution and issued instruction [in this case
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# load value from memory is critical] has to complete before execution
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# load value from memory is critical] has to complete before execution
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# flow proceeds. S-boxes are compressed to 2KB.
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# flow proceeds. S-boxes are compressed to 2KB[+256B].
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#
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#
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# As for hardware acceleration support. It's basically a "teaser," as
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# As for hardware acceleration support. It's basically a "teaser," as
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# it can and should be improved in several ways. Most notably support
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# it can and should be improved in several ways. Most notably support
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@ -26,10 +26,15 @@
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# ~2.5x, but can reach >8x [naturally on larger chunks] if proper
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# ~2.5x, but can reach >8x [naturally on larger chunks] if proper
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# support is implemented.
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# support is implemented.
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# May 2007.
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#
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# Implement AES_set_[en|de]crypt_key. Key schedule setup is avoided
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# for 128-bit keys, if hardware support is detected.
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$t1="%r0";
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$t1="%r0";
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$t2="%r1";
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$t2="%r1";
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$t3="%r2"; $inp="%r2";
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$t3="%r2"; $inp="%r2";
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$out="%r3"; $mask="%r3";
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$out="%r3"; $mask="%r3"; $bits="%r3";
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$key="%r4";
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$key="%r4";
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$i1="%r5";
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$i1="%r5";
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$i2="%r6";
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$i2="%r6";
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@ -52,7 +57,7 @@ $code=<<___;
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.text
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.text
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.type AES_Te,\@object
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.type AES_Te,\@object
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.align 64
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.align 128
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AES_Te:
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AES_Te:
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___
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___
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&_data_word(
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&_data_word(
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@ -121,13 +126,51 @@ ___
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0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11,
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0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11,
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0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a);
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0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a);
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$code.=<<___;
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$code.=<<___;
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# Te4[256]
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.byte 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5
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.byte 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76
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.byte 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0
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.byte 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0
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.byte 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc
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.byte 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15
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.byte 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a
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.byte 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75
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.byte 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0
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.byte 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84
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.byte 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b
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.byte 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf
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.byte 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85
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.byte 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8
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.byte 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5
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.byte 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2
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.byte 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17
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.byte 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73
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.byte 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88
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.byte 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb
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.byte 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c
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.byte 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79
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.byte 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9
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.byte 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08
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.byte 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6
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.byte 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a
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.byte 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e
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.byte 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e
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.byte 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94
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.byte 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf
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.byte 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68
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.byte 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
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# rcon[]
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.long 0x01000000, 0x02000000, 0x04000000, 0x08000000
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.long 0x10000000, 0x20000000, 0x40000000, 0x80000000
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.long 0x1B000000, 0x36000000, 0, 0, 0, 0, 0, 0
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.size AES_Te,.-AES_Te
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.size AES_Te,.-AES_Te
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# void AES_encrypt(const unsigned char *in, unsigned char *out,
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# void AES_encrypt(const unsigned char *inp, unsigned char *out,
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# const AES_KEY *key) {
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# const AES_KEY *key) {
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.globl AES_encrypt
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.globl AES_encrypt
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.type AES_encrypt,\@function
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.type AES_encrypt,\@function
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AES_encrypt:
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AES_encrypt:
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stg $ra,112($sp)
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lghi %r0,10
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lghi %r0,10
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c %r0,240($key)
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c %r0,240($key)
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jne .Lesoft
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jne .Lesoft
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@ -136,21 +179,30 @@ AES_encrypt:
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.long 0xb92e0042 # km %r4,%r2
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.long 0xb92e0042 # km %r4,%r2
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lg %r0,16($sp)
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lg %r0,16($sp)
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tmhl %r0,`0x8000>>2`
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tmhl %r0,`0x8000>>2`
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jz .Lesoft
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jz .Lesoft128
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lghi %r0,`0x00|0x12` # encrypt AES-128
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lghi %r0,`0x00|0x12` # encrypt AES-128
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la %r1,0($key)
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la %r1,0($key)
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#la %r2,0($inp)
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#la %r2,0($inp)
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la %r4,0($out)
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la %r4,0($out)
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lghi %r3,16 # single block length
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lghi %r3,16 # single block length
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.long 0xb92e0042 # km %r4,%r2
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.long 0xb92e0042 # km %r4,%r2
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bcr 8,%r14
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bcr 8,%r14 # return if done
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la $out,0(%r4) # restore arguments
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la $out,0(%r4) # restore arguments
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la $key,0(%r1)
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la $key,0(%r1)
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.Lesoft128:
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lghi %r0,0
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c %r0,236($key)
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je .Lesoft
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stmg $inp,$key,16($sp)
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la $inp,0($key)
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lghi $bits,128
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bras $ra,.Lekey_internal # postponed key schedule setup
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lmg $inp,$key,16($sp)
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.Lesoft:
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.Lesoft:
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stmg %r3,%r15,24($sp)
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stmg %r3,%r13,24($sp)
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bras $tbl,.Lepic
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bras $tbl,1f
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.Lepic: aghi $tbl,AES_Te-.Lepic
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1: aghi $tbl,AES_Te-.
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llgf $s0,0($inp)
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llgf $s0,0($inp)
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llgf $s1,4($inp)
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llgf $s1,4($inp)
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@ -166,8 +218,8 @@ AES_encrypt:
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st $s2,8($out)
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st $s2,8($out)
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st $s3,12($out)
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st $s3,12($out)
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lmg %r6,%r15,48($sp)
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lmg %r6,$ra,48($sp)
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br %r14
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br $ra
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.size AES_encrypt,.-AES_encrypt
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.size AES_encrypt,.-AES_encrypt
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.type _s390x_AES_encrypt,\@function
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.type _s390x_AES_encrypt,\@function
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@ -331,7 +383,7 @@ ___
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$code.=<<___;
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$code.=<<___;
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.type AES_Td,\@object
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.type AES_Td,\@object
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.align 64
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.align 128
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AES_Td:
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AES_Td:
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___
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___
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&_data_word(
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&_data_word(
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@ -400,6 +452,7 @@ ___
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0x39a80171, 0x080cb3de, 0xd8b4e49c, 0x6456c190,
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0x39a80171, 0x080cb3de, 0xd8b4e49c, 0x6456c190,
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0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742);
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0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742);
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$code.=<<___;
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$code.=<<___;
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# Td4[256]
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.byte 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38
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.byte 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38
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.byte 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb
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.byte 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb
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.byte 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87
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.byte 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87
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@ -434,11 +487,12 @@ $code.=<<___;
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.byte 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d
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.byte 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d
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.size AES_Td,.-AES_Td
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.size AES_Td,.-AES_Td
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# void AES_decrypt(const unsigned char *in, unsigned char *out,
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# void AES_decrypt(const unsigned char *inp, unsigned char *out,
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# const AES_KEY *key) {
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# const AES_KEY *key) {
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.globl AES_decrypt
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.globl AES_decrypt
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.type AES_decrypt,\@function
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.type AES_decrypt,\@function
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AES_decrypt:
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AES_decrypt:
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stg $ra,112($sp)
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lghi %r0,10
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lghi %r0,10
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c %r0,240($key)
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c %r0,240($key)
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jne .Ldsoft
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jne .Ldsoft
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@ -447,22 +501,31 @@ AES_decrypt:
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.long 0xb92e0042 # km %r4,%r2
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.long 0xb92e0042 # km %r4,%r2
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lg %r0,16($sp)
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lg %r0,16($sp)
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tmhl %r0,`0x8000>>2`
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tmhl %r0,`0x8000>>2`
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jz .Ldsoft
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jz .Ldsoft128
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lghi %r0,`0x80|0x12` # decrypt AES-128
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lghi %r0,`0x80|0x12` # decrypt AES-128
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la %r1,160($key)
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la %r1,160($key)
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#la %r2,0($inp)
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#la %r2,0($inp)
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la %r4,0($out)
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la %r4,0($out)
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lghi %r3,16 # single block length
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lghi %r3,16 # single block length
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.long 0xb92e0042 # km %r4,%r2
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.long 0xb92e0042 # km %r4,%r2
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bcr 8,%r14
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bcr 8,%r14 # return if done
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la $out,0(%r4) # restore arguments
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la $out,0(%r4) # restore arguments
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lghi $key,-160
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lghi $key,-160
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la $key,0($key,%r1)
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la $key,0($key,%r1)
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.Ldsoft128:
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lghi %r0,0
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c %r0,236($key)
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je .Ldsoft
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stmg $inp,$key,16($sp)
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la $inp,160($key)
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lghi $bits,128
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bras $ra,.Ldkey_internal # postponed key schedule setup
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lmg $inp,$key,16($sp)
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.Ldsoft:
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.Ldsoft:
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stmg %r3,%r15,24($sp)
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stmg %r3,%r13,24($sp)
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bras $tbl,.Ldpic
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bras $tbl,1f
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.Ldpic: aghi $tbl,AES_Td-.Ldpic
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1: aghi $tbl,AES_Td-.
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llgf $s0,0($inp)
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llgf $s0,0($inp)
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llgf $s1,4($inp)
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llgf $s1,4($inp)
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@ -478,8 +541,8 @@ AES_decrypt:
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st $s2,8($out)
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st $s2,8($out)
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st $s3,12($out)
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st $s3,12($out)
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lmg %r6,%r15,48($sp)
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lmg %r6,$ra,48($sp)
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br %r14
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br $ra
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.size AES_decrypt,.-AES_decrypt
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.size AES_decrypt,.-AES_decrypt
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.type _s390x_AES_decrypt,\@function
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.type _s390x_AES_decrypt,\@function
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@ -641,6 +704,376 @@ _s390x_AES_decrypt:
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br $ra
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br $ra
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.size _s390x_AES_decrypt,.-_s390x_AES_decrypt
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.size _s390x_AES_decrypt,.-_s390x_AES_decrypt
|
||||||
|
|
||||||
|
# void AES_set_encrypt_key(const unsigned char *in, int bits,
|
||||||
|
# AES_KEY *key) {
|
||||||
|
.globl AES_set_encrypt_key
|
||||||
|
.type AES_set_encrypt_key,\@function
|
||||||
|
.align 16
|
||||||
|
AES_set_encrypt_key:
|
||||||
|
lghi $t1,0
|
||||||
|
clgr $inp,$t1
|
||||||
|
je .Lminus1
|
||||||
|
clgr $key,$t1
|
||||||
|
je .Lminus1
|
||||||
|
|
||||||
|
lghi $t1,128
|
||||||
|
clr $bits,$t1
|
||||||
|
je .Lproceed128
|
||||||
|
lghi $t1,192
|
||||||
|
clr $bits,$t1
|
||||||
|
je .Lekey_internal
|
||||||
|
lghi $t1,256
|
||||||
|
clr $bits,$t1
|
||||||
|
je .Lekey_internal
|
||||||
|
lghi %r2,-2
|
||||||
|
br %r14
|
||||||
|
|
||||||
|
.align 4
|
||||||
|
.Lproceed128:
|
||||||
|
lghi %r0,0 # query capability vector
|
||||||
|
la %r1,16($sp)
|
||||||
|
.long 0xb92e0042 # km %r4,%r2
|
||||||
|
lg %r0,16($sp)
|
||||||
|
tmhl %r0,`0x8000>>2`
|
||||||
|
jz .Lekey_internal
|
||||||
|
|
||||||
|
l $t1,0($inp) # just copy 128 bits...
|
||||||
|
l $t2,4($inp)
|
||||||
|
l $bits,8($inp)
|
||||||
|
l $inp,12($inp)
|
||||||
|
st $t1,0($key)
|
||||||
|
st $t2,4($key)
|
||||||
|
st $bits,8($key)
|
||||||
|
st $inp,12($key)
|
||||||
|
lghi $t1,10
|
||||||
|
st $t1,236($key) # ... postpone key setup
|
||||||
|
st $t1,240($key)
|
||||||
|
lghi %r2,0
|
||||||
|
br %r14
|
||||||
|
|
||||||
|
.align 16
|
||||||
|
.Lekey_internal:
|
||||||
|
stmg %r6,%r13,48($sp) # all volatile regs, but $ra!
|
||||||
|
|
||||||
|
bras $tbl,1f
|
||||||
|
1: aghi $tbl,AES_Te+2048-.
|
||||||
|
|
||||||
|
llgf $s0,0($inp)
|
||||||
|
llgf $s1,4($inp)
|
||||||
|
llgf $s2,8($inp)
|
||||||
|
llgf $s3,12($inp)
|
||||||
|
st $s0,0($key)
|
||||||
|
st $s1,4($key)
|
||||||
|
st $s2,8($key)
|
||||||
|
st $s3,12($key)
|
||||||
|
lghi $t1,128
|
||||||
|
cr $bits,$t1
|
||||||
|
jne .Lnot128
|
||||||
|
|
||||||
|
llill $mask,0xff
|
||||||
|
lghi $t3,0 # i=0
|
||||||
|
lghi $rounds,10
|
||||||
|
st $t3,236($key) # mark as set up
|
||||||
|
st $rounds,240($key)
|
||||||
|
|
||||||
|
.align 8
|
||||||
|
.L128_loop:
|
||||||
|
llgfr $t2,$s3 # temp=rk[3]
|
||||||
|
srlg $i1,$s3,8
|
||||||
|
srlg $i2,$s3,16
|
||||||
|
srlg $i3,$s3,24
|
||||||
|
nr $t2,$mask
|
||||||
|
nr $i1,$mask
|
||||||
|
nr $i2,$mask
|
||||||
|
la $t2,0($t2,$tbl)
|
||||||
|
la $i1,0($i1,$tbl)
|
||||||
|
la $i2,0($i2,$tbl)
|
||||||
|
la $i3,0($i3,$tbl)
|
||||||
|
icm $t2,2,0($t2) # Te4[rk[3]>>0]<<8
|
||||||
|
icm $t2,4,0($i1) # Te4[rk[3]>>8]<<16
|
||||||
|
icm $t2,8,0($i2) # Te4[rk[3]>>16]<<24
|
||||||
|
icm $t2,1,0($i3) # Te4[rk[3]>>24]
|
||||||
|
x $t2,256($t3,$tbl) # rcon[i]
|
||||||
|
xr $s0,$t2 # rk[4]=rk[0]^...
|
||||||
|
xr $s1,$s0 # rk[5]=rk[1]^rk[4]
|
||||||
|
xr $s2,$s1 # rk[6]=rk[2]^rk[5]
|
||||||
|
xr $s3,$s2 # rk[7]=rk[3]^rk[6]
|
||||||
|
st $s0,16($key)
|
||||||
|
st $s1,20($key)
|
||||||
|
st $s2,24($key)
|
||||||
|
st $s3,28($key)
|
||||||
|
la $key,16($key) # key+=4
|
||||||
|
la $t3,4($t3) # i++
|
||||||
|
brct $rounds,.L128_loop
|
||||||
|
lghi %r2,0
|
||||||
|
lmg %r6,%r13,48($sp)
|
||||||
|
br $ra
|
||||||
|
|
||||||
|
.align 4
|
||||||
|
.Lnot128:
|
||||||
|
llgf $t1,16($inp)
|
||||||
|
llgf $t2,20($inp)
|
||||||
|
st $t1,16($key)
|
||||||
|
st $t2,20($key)
|
||||||
|
lghi $t1,192
|
||||||
|
cr $bits,$t1
|
||||||
|
jne .Lnot192
|
||||||
|
|
||||||
|
llill $mask,0xff
|
||||||
|
lghi $t3,0 # i=0
|
||||||
|
lghi $rounds,12
|
||||||
|
st $rounds,240($key)
|
||||||
|
lghi $rounds,8
|
||||||
|
|
||||||
|
.align 8
|
||||||
|
.L192_loop:
|
||||||
|
srlg $i1,$t2,8
|
||||||
|
srlg $i2,$t2,16
|
||||||
|
srlg $i3,$t2,24
|
||||||
|
nr $t2,$mask
|
||||||
|
nr $i1,$mask
|
||||||
|
nr $i2,$mask
|
||||||
|
la $t2,0($t2,$tbl)
|
||||||
|
la $i1,0($i1,$tbl)
|
||||||
|
la $i2,0($i2,$tbl)
|
||||||
|
la $i3,0($i3,$tbl)
|
||||||
|
icm $t2,2,0($t2) # Te4[rk[5]>>0]<<8
|
||||||
|
icm $t2,4,0($i1) # Te4[rk[5]>>8]<<16
|
||||||
|
icm $t2,8,0($i2) # Te4[rk[5]>>16]<<24
|
||||||
|
icm $t2,1,0($i3) # Te4[rk[5]>>24]
|
||||||
|
x $t2,256($t3,$tbl) # rcon[i]
|
||||||
|
xr $s0,$t2 # rk[6]=rk[0]^...
|
||||||
|
xr $s1,$s0 # rk[7]=rk[1]^rk[6]
|
||||||
|
xr $s2,$s1 # rk[8]=rk[2]^rk[7]
|
||||||
|
xr $s3,$s2 # rk[9]=rk[3]^rk[8]
|
||||||
|
st $s0,24($key)
|
||||||
|
st $s1,28($key)
|
||||||
|
st $s2,32($key)
|
||||||
|
st $s3,36($key)
|
||||||
|
brct $rounds,.L192_continue
|
||||||
|
lghi %r2,0
|
||||||
|
lmg %r6,%r13,48($sp)
|
||||||
|
br $ra
|
||||||
|
.align 4
|
||||||
|
.L192_continue:
|
||||||
|
lgr $t2,$s3
|
||||||
|
x $t2,16($key) # rk[10]=rk[4]^rk[9]
|
||||||
|
st $t2,40($key)
|
||||||
|
x $t2,20($key) # rk[11]=rk[5]^rk[10]
|
||||||
|
st $t2,44($key)
|
||||||
|
la $key,24($key) # key+=6
|
||||||
|
la $t3,4($t3) # i++
|
||||||
|
j .L192_loop
|
||||||
|
|
||||||
|
.align 4
|
||||||
|
.Lnot192:
|
||||||
|
llgf $t1,24($inp)
|
||||||
|
llgf $t2,28($inp)
|
||||||
|
st $t1,24($key)
|
||||||
|
st $t2,28($key)
|
||||||
|
llill $mask,0xff
|
||||||
|
lghi $t3,0 # i=0
|
||||||
|
lghi $rounds,14
|
||||||
|
st $rounds,240($key)
|
||||||
|
lghi $rounds,7
|
||||||
|
|
||||||
|
.align 8
|
||||||
|
.L256_loop:
|
||||||
|
srlg $i1,$t2,8
|
||||||
|
srlg $i2,$t2,16
|
||||||
|
srlg $i3,$t2,24
|
||||||
|
nr $t2,$mask
|
||||||
|
nr $i1,$mask
|
||||||
|
nr $i2,$mask
|
||||||
|
la $t2,0($t2,$tbl)
|
||||||
|
la $i1,0($i1,$tbl)
|
||||||
|
la $i2,0($i2,$tbl)
|
||||||
|
la $i3,0($i3,$tbl)
|
||||||
|
icm $t2,2,0($t2) # Te4[rk[7]>>0]<<8
|
||||||
|
icm $t2,4,0($i1) # Te4[rk[7]>>8]<<16
|
||||||
|
icm $t2,8,0($i2) # Te4[rk[7]>>16]<<24
|
||||||
|
icm $t2,1,0($i3) # Te4[rk[7]>>24]
|
||||||
|
x $t2,256($t3,$tbl) # rcon[i]
|
||||||
|
xr $s0,$t2 # rk[8]=rk[0]^...
|
||||||
|
xr $s1,$s0 # rk[9]=rk[1]^rk[8]
|
||||||
|
xr $s2,$s1 # rk[10]=rk[2]^rk[9]
|
||||||
|
xr $s3,$s2 # rk[11]=rk[3]^rk[10]
|
||||||
|
st $s0,32($key)
|
||||||
|
st $s1,36($key)
|
||||||
|
st $s2,40($key)
|
||||||
|
st $s3,44($key)
|
||||||
|
brct $rounds,.L256_continue
|
||||||
|
lghi %r2,0
|
||||||
|
lmg %r6,%r13,48($sp)
|
||||||
|
br $ra
|
||||||
|
.align 4
|
||||||
|
.L256_continue:
|
||||||
|
lgr $t2,$s3 # temp=rk[11]
|
||||||
|
srlg $i1,$s3,8
|
||||||
|
srlg $i2,$s3,16
|
||||||
|
srlg $i3,$s3,24
|
||||||
|
nr $t2,$mask
|
||||||
|
nr $i1,$mask
|
||||||
|
nr $i2,$mask
|
||||||
|
la $t2,0($t2,$tbl)
|
||||||
|
la $i1,0($i1,$tbl)
|
||||||
|
la $i2,0($i2,$tbl)
|
||||||
|
la $i3,0($i3,$tbl)
|
||||||
|
icm $t2,1,0($t2) # Te4[rk[11]>>0]
|
||||||
|
icm $t2,2,0($i1) # Te4[rk[11]>>8]<<8
|
||||||
|
icm $t2,4,0($i2) # Te4[rk[11]>>16]<<16
|
||||||
|
icm $t2,8,0($i3) # Te4[rk[11]>>24]<<24
|
||||||
|
x $t2,16($key) # rk[12]=rk[4]^...
|
||||||
|
st $t2,48($key)
|
||||||
|
x $t2,20($key) # rk[13]=rk[5]^rk[12]
|
||||||
|
st $t2,52($key)
|
||||||
|
x $t2,24($key) # rk[14]=rk[6]^rk[13]
|
||||||
|
st $t2,56($key)
|
||||||
|
x $t2,28($key) # rk[15]=rk[7]^rk[14]
|
||||||
|
st $t2,60($key)
|
||||||
|
|
||||||
|
la $key,32($key) # key+=8
|
||||||
|
la $t3,4($t3) # i++
|
||||||
|
j .L256_loop
|
||||||
|
.align 4
|
||||||
|
.Lminus1:
|
||||||
|
lghi %r2,-1
|
||||||
|
br %r14
|
||||||
|
.size AES_set_encrypt_key,.-AES_set_encrypt_key
|
||||||
|
|
||||||
|
# void AES_set_decrypt_key(const unsigned char *in, int bits,
|
||||||
|
# AES_KEY *key) {
|
||||||
|
.globl AES_set_decrypt_key
|
||||||
|
.type AES_set_decrypt_key,\@function
|
||||||
|
.align 16
|
||||||
|
AES_set_decrypt_key:
|
||||||
|
stg $key,32($sp) # I rely on AES_set_encrypt_key to
|
||||||
|
stg $ra,112($sp) # save [other] volatile registers!
|
||||||
|
bras $ra,AES_set_encrypt_key
|
||||||
|
lg $key,32($sp)
|
||||||
|
lg $ra,112($sp)
|
||||||
|
ltgr %r2,%r2
|
||||||
|
bnzr $ra
|
||||||
|
|
||||||
|
lghi $t1,10
|
||||||
|
c $t1,240($key)
|
||||||
|
jne .Lgo
|
||||||
|
lghi $t1,0
|
||||||
|
c $t1,236($key)
|
||||||
|
je .Lgo
|
||||||
|
|
||||||
|
l $t1,0($key) # just copy 128 bits otherwise
|
||||||
|
l $t2,4($key)
|
||||||
|
l $t3,8($key)
|
||||||
|
l $bits,12($key)
|
||||||
|
st $t1,160($key)
|
||||||
|
st $t2,164($key)
|
||||||
|
st $t3,168($key)
|
||||||
|
st $bits,172($key)
|
||||||
|
lghi %r2,0
|
||||||
|
br $ra
|
||||||
|
|
||||||
|
.align 16
|
||||||
|
.Ldkey_internal:
|
||||||
|
stg $key,32($sp)
|
||||||
|
stg $ra,40($sp)
|
||||||
|
bras $ra,.Lekey_internal
|
||||||
|
lg $key,32($sp)
|
||||||
|
lg $ra,40($sp)
|
||||||
|
|
||||||
|
.Lgo: llgf $rounds,240($key)
|
||||||
|
lghi $i1,0
|
||||||
|
sllg $i2,$rounds,4
|
||||||
|
srl $rounds,1
|
||||||
|
|
||||||
|
.align 8
|
||||||
|
.Linv: l $s0,0($i1,$key)
|
||||||
|
l $s1,4($i1,$key)
|
||||||
|
l $s2,8($i1,$key)
|
||||||
|
l $s3,12($i1,$key)
|
||||||
|
l $t1,0($i2,$key)
|
||||||
|
l $t2,4($i2,$key)
|
||||||
|
l $t3,8($i2,$key)
|
||||||
|
l $i3,12($i2,$key)
|
||||||
|
st $s0,0($i2,$key)
|
||||||
|
st $s1,4($i2,$key)
|
||||||
|
st $s2,8($i2,$key)
|
||||||
|
st $s3,12($i2,$key)
|
||||||
|
st $t1,0($i1,$key)
|
||||||
|
st $t2,4($i1,$key)
|
||||||
|
st $t3,8($i1,$key)
|
||||||
|
st $i3,12($i1,$key)
|
||||||
|
aghi $i1,16
|
||||||
|
aghi $i2,-16
|
||||||
|
brct $rounds,.Linv
|
||||||
|
___
|
||||||
|
$mask80=$i1;
|
||||||
|
$mask1b=$i2;
|
||||||
|
$maskfe=$i3;
|
||||||
|
$code.=<<___;
|
||||||
|
llgf $rounds,240($key)
|
||||||
|
aghi $rounds,-1
|
||||||
|
sll $rounds,2 # (rounds-1)*4
|
||||||
|
llilh $mask80,0x8080
|
||||||
|
oill $mask80,0x8080
|
||||||
|
llilh $mask1b,0x1b1b
|
||||||
|
oill $mask1b,0x1b1b
|
||||||
|
llilh $maskfe,0xfefe
|
||||||
|
oill $maskfe,0xfefe
|
||||||
|
|
||||||
|
.align 8
|
||||||
|
.Lmix: l $s0,16($key) # tp1
|
||||||
|
lr $s1,$s0
|
||||||
|
ngr $s1,$mask80
|
||||||
|
srlg $t1,$s1,7
|
||||||
|
slr $s1,$t1
|
||||||
|
nr $s1,$mask1b
|
||||||
|
sllg $t1,$s0,1
|
||||||
|
nr $t1,$maskfe
|
||||||
|
xr $s1,$t1 # tp2
|
||||||
|
|
||||||
|
lr $s2,$s1
|
||||||
|
ngr $s2,$mask80
|
||||||
|
srlg $t1,$s2,7
|
||||||
|
slr $s2,$t1
|
||||||
|
nr $s2,$mask1b
|
||||||
|
sllg $t1,$s1,1
|
||||||
|
nr $t1,$maskfe
|
||||||
|
xr $s2,$t1 # tp4
|
||||||
|
|
||||||
|
lr $s3,$s2
|
||||||
|
ngr $s3,$mask80
|
||||||
|
srlg $t1,$s3,7
|
||||||
|
slr $s3,$t1
|
||||||
|
nr $s3,$mask1b
|
||||||
|
sllg $t1,$s2,1
|
||||||
|
nr $t1,$maskfe
|
||||||
|
xr $s3,$t1 # tp8
|
||||||
|
|
||||||
|
xr $s1,$s0 # tp2^tp1
|
||||||
|
xr $s2,$s0 # tp4^tp1
|
||||||
|
rll $s0,$s0,24 # = ROTATE(tp1,8)
|
||||||
|
xr $s0,$s1 # ^=tp2^tp1
|
||||||
|
xr $s0,$s2 # ^=tp4^tp1
|
||||||
|
xr $s0,$s3 # ^= tp8[^(tp4^tp1)^(tp2^tp1)=tp4^tp2]
|
||||||
|
xr $s1,$s3 # tp2^tp1^tp8
|
||||||
|
rll $s1,$s1,8
|
||||||
|
xr $s0,$s1 # ^= ROTATE(tp8^tp2^tp1,24)
|
||||||
|
xr $s2,$s3 # tp4^tp1^tp8
|
||||||
|
rll $s2,$s2,16
|
||||||
|
xr $s0,$s2 # ^= ROTATE(tp8^tp4^tp1,16)
|
||||||
|
rll $s3,$s3,24
|
||||||
|
xr $s0,$s3 # ^= ROTATE(tp8,8)
|
||||||
|
|
||||||
|
st $s0,16($key)
|
||||||
|
la $key,4($key)
|
||||||
|
brct $rounds,.Lmix
|
||||||
|
|
||||||
|
lmg %r6,%r13,48($sp)# this was saved by AES_set_encrypt_key!
|
||||||
|
lghi %r2,0
|
||||||
|
br $ra
|
||||||
|
.size AES_set_decrypt_key,.-AES_set_decrypt_key
|
||||||
.string "AES for s390x, CRYPTOGAMS by <appro\@openssl.org>"
|
.string "AES for s390x, CRYPTOGAMS by <appro\@openssl.org>"
|
||||||
___
|
___
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue