649 lines
17 KiB
Raku
649 lines
17 KiB
Raku
#!/usr/bin/env perl
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# ====================================================================
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# Written by Andy Polyakov <appro@fy.chalmers.se> 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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# AES for s390x.
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# April 2007.
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#
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# Software performance improvement over gcc-generated code is ~70% and
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# in absolute terms is ~73 cycles per byte processed with 128-bit key.
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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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# 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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#
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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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# for CBC is not utilized, nor multiple blocks are ever processed.
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# Then software key schedule can be postponed till hardware support
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# detection... Performance improvement over assembler is reportedly
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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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$t1="%r0";
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$t2="%r1";
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$t3="%r2"; $inp="%r2";
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$out="%r3"; $mask="%r3";
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$key="%r4";
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$i1="%r5";
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$i2="%r6";
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$i3="%r7";
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$s0="%r8";
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$s1="%r9";
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$s2="%r10";
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$s3="%r11";
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$tbl="%r12";
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$rounds="%r13";
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$ra="%r14";
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$sp="%r15";
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sub _data_word()
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{ my $i;
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while(defined($i=shift)) { $code.=sprintf".long\t0x%08x,0x%08x\n",$i,$i; }
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}
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$code=<<___;
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.text
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.type AES_Te,\@object
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.align 64
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AES_Te:
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___
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&_data_word(
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0xc66363a5, 0xf87c7c84, 0xee777799, 0xf67b7b8d,
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0xfff2f20d, 0xd66b6bbd, 0xde6f6fb1, 0x91c5c554,
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0x60303050, 0x02010103, 0xce6767a9, 0x562b2b7d,
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0xe7fefe19, 0xb5d7d762, 0x4dababe6, 0xec76769a,
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0x8fcaca45, 0x1f82829d, 0x89c9c940, 0xfa7d7d87,
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0xeffafa15, 0xb25959eb, 0x8e4747c9, 0xfbf0f00b,
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0x41adadec, 0xb3d4d467, 0x5fa2a2fd, 0x45afafea,
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0x239c9cbf, 0x53a4a4f7, 0xe4727296, 0x9bc0c05b,
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0x75b7b7c2, 0xe1fdfd1c, 0x3d9393ae, 0x4c26266a,
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0x6c36365a, 0x7e3f3f41, 0xf5f7f702, 0x83cccc4f,
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0x6834345c, 0x51a5a5f4, 0xd1e5e534, 0xf9f1f108,
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0xe2717193, 0xabd8d873, 0x62313153, 0x2a15153f,
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0x0804040c, 0x95c7c752, 0x46232365, 0x9dc3c35e,
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0x30181828, 0x379696a1, 0x0a05050f, 0x2f9a9ab5,
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0x0e070709, 0x24121236, 0x1b80809b, 0xdfe2e23d,
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0xcdebeb26, 0x4e272769, 0x7fb2b2cd, 0xea75759f,
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0x1209091b, 0x1d83839e, 0x582c2c74, 0x341a1a2e,
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0x361b1b2d, 0xdc6e6eb2, 0xb45a5aee, 0x5ba0a0fb,
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0xa45252f6, 0x763b3b4d, 0xb7d6d661, 0x7db3b3ce,
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0x5229297b, 0xdde3e33e, 0x5e2f2f71, 0x13848497,
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0xa65353f5, 0xb9d1d168, 0x00000000, 0xc1eded2c,
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0x40202060, 0xe3fcfc1f, 0x79b1b1c8, 0xb65b5bed,
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0xd46a6abe, 0x8dcbcb46, 0x67bebed9, 0x7239394b,
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0x944a4ade, 0x984c4cd4, 0xb05858e8, 0x85cfcf4a,
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0xbbd0d06b, 0xc5efef2a, 0x4faaaae5, 0xedfbfb16,
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0x864343c5, 0x9a4d4dd7, 0x66333355, 0x11858594,
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0x8a4545cf, 0xe9f9f910, 0x04020206, 0xfe7f7f81,
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0xa05050f0, 0x783c3c44, 0x259f9fba, 0x4ba8a8e3,
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0xa25151f3, 0x5da3a3fe, 0x804040c0, 0x058f8f8a,
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0x3f9292ad, 0x219d9dbc, 0x70383848, 0xf1f5f504,
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0x63bcbcdf, 0x77b6b6c1, 0xafdada75, 0x42212163,
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0x20101030, 0xe5ffff1a, 0xfdf3f30e, 0xbfd2d26d,
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0x81cdcd4c, 0x180c0c14, 0x26131335, 0xc3ecec2f,
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0xbe5f5fe1, 0x359797a2, 0x884444cc, 0x2e171739,
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0x93c4c457, 0x55a7a7f2, 0xfc7e7e82, 0x7a3d3d47,
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0xc86464ac, 0xba5d5de7, 0x3219192b, 0xe6737395,
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0xc06060a0, 0x19818198, 0x9e4f4fd1, 0xa3dcdc7f,
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0x44222266, 0x542a2a7e, 0x3b9090ab, 0x0b888883,
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0x8c4646ca, 0xc7eeee29, 0x6bb8b8d3, 0x2814143c,
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0xa7dede79, 0xbc5e5ee2, 0x160b0b1d, 0xaddbdb76,
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0xdbe0e03b, 0x64323256, 0x743a3a4e, 0x140a0a1e,
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0x924949db, 0x0c06060a, 0x4824246c, 0xb85c5ce4,
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0x9fc2c25d, 0xbdd3d36e, 0x43acacef, 0xc46262a6,
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0x399191a8, 0x319595a4, 0xd3e4e437, 0xf279798b,
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0xd5e7e732, 0x8bc8c843, 0x6e373759, 0xda6d6db7,
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0x018d8d8c, 0xb1d5d564, 0x9c4e4ed2, 0x49a9a9e0,
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0xd86c6cb4, 0xac5656fa, 0xf3f4f407, 0xcfeaea25,
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0xca6565af, 0xf47a7a8e, 0x47aeaee9, 0x10080818,
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0x6fbabad5, 0xf0787888, 0x4a25256f, 0x5c2e2e72,
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0x381c1c24, 0x57a6a6f1, 0x73b4b4c7, 0x97c6c651,
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0xcbe8e823, 0xa1dddd7c, 0xe874749c, 0x3e1f1f21,
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0x964b4bdd, 0x61bdbddc, 0x0d8b8b86, 0x0f8a8a85,
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0xe0707090, 0x7c3e3e42, 0x71b5b5c4, 0xcc6666aa,
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0x904848d8, 0x06030305, 0xf7f6f601, 0x1c0e0e12,
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0xc26161a3, 0x6a35355f, 0xae5757f9, 0x69b9b9d0,
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0x17868691, 0x99c1c158, 0x3a1d1d27, 0x279e9eb9,
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0xd9e1e138, 0xebf8f813, 0x2b9898b3, 0x22111133,
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0xd26969bb, 0xa9d9d970, 0x078e8e89, 0x339494a7,
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0x2d9b9bb6, 0x3c1e1e22, 0x15878792, 0xc9e9e920,
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0x87cece49, 0xaa5555ff, 0x50282878, 0xa5dfdf7a,
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0x038c8c8f, 0x59a1a1f8, 0x09898980, 0x1a0d0d17,
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0x65bfbfda, 0xd7e6e631, 0x844242c6, 0xd06868b8,
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0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11,
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0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a);
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$code.=<<___;
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.size AES_Te,.-AES_Te
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# void AES_encrypt(const unsigned char *in, unsigned char *out,
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# const AES_KEY *key) {
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.globl AES_encrypt
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.type AES_encrypt,\@function
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AES_encrypt:
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lghi %r0,10
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c %r0,240($key)
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jne .Lesoft
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lghi %r0,0 # query capability vector
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la %r1,16($sp)
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.long 0xb92e0042 # km %r4,%r2
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lg %r0,16($sp)
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tmhl %r0,`0x8000>>2`
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jz .Lesoft
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lghi %r0,`0x00|0x12` # encrypt AES-128
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la %r1,0($key)
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#la %r2,0($inp)
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la %r4,0($out)
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lghi %r3,16 # single block length
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.long 0xb92e0042 # km %r4,%r2
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bcr 8,%r14
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la $out,0(%r4) # restore arguments
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la $key,0(%r1)
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.Lesoft:
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stmg %r3,%r15,24($sp)
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bras $tbl,.Lepic
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.Lepic: aghi $tbl,AES_Te-.Lepic
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llgf $s0,0($inp)
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llgf $s1,4($inp)
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llgf $s2,8($inp)
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llgf $s3,12($inp)
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llill $mask,`0xff<<3`
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bras $ra,_s390x_AES_encrypt
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lg $out,24($sp)
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st $s0,0($out)
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st $s1,4($out)
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st $s2,8($out)
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st $s3,12($out)
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lmg %r6,%r15,48($sp)
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br %r14
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.size AES_encrypt,.-AES_encrypt
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.type _s390x_AES_encrypt,\@function
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.align 16
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_s390x_AES_encrypt:
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x $s0,0($key)
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x $s1,4($key)
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x $s2,8($key)
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x $s3,12($key)
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l $rounds,240($key)
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aghi $rounds,-1
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.Lenc_loop:
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sllg $i1,$s0,`0+3`
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srlg $i2,$s0,`8-3`
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srlg $i3,$s0,`16-3`
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srl $s0,`24-3`
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nr $s0,$mask
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ngr $i1,$mask
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nr $i2,$mask
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nr $i3,$mask
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l $s0,0($s0,$tbl) # Te0[s0>>24]
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l $t1,1($i1,$tbl) # Te3[s0>>0]
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l $t2,2($i2,$tbl) # Te2[s0>>8]
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l $t3,3($i3,$tbl) # Te1[s0>>16]
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srlg $i1,$s1,`16-3` # i0
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sllg $i2,$s1,`0+3`
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srlg $i3,$s1,`8-3`
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srl $s1,`24-3`
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nr $i1,$mask
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nr $s1,$mask
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ngr $i2,$mask
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nr $i3,$mask
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x $s0,3($i1,$tbl) # Te1[s1>>16]
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l $s1,0($s1,$tbl) # Te0[s1>>24]
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x $t2,1($i2,$tbl) # Te3[s1>>0]
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x $t3,2($i3,$tbl) # Te2[s1>>8]
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xr $s1,$t1
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srlg $i1,$s2,`8-3` # i0
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srlg $i2,$s2,`16-3` # i1
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sllg $i3,$s2,`0+3`
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srl $s2,`24-3`
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nr $i1,$mask
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nr $i2,$mask
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nr $s2,$mask
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ngr $i3,$mask
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x $s0,2($i1,$tbl) # Te2[s2>>8]
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x $s1,3($i2,$tbl) # Te1[s2>>16]
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l $s2,0($s2,$tbl) # Te0[s2>>24]
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x $t3,1($i3,$tbl) # Te3[s2>>0]
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xr $s2,$t2
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sllg $i1,$s3,`0+3` # i0
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srlg $i2,$s3,`8-3` # i1
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srlg $i3,$s3,`16-3` # i2
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srl $s3,`24-3`
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ngr $i1,$mask
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nr $i2,$mask
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nr $i3,$mask
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nr $s3,$mask
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x $s0,1($i1,$tbl) # Te3[s3>>0]
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x $s1,2($i2,$tbl) # Te2[s3>>8]
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x $s2,3($i3,$tbl) # Te1[s3>>16]
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l $s3,0($s3,$tbl) # Te0[s3>>24]
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xr $s3,$t3
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la $key,16($key)
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x $s0,0($key)
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x $s1,4($key)
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x $s2,8($key)
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x $s3,12($key)
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brct $rounds,.Lenc_loop
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sllg $i1,$s0,`0+3`
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srlg $i2,$s0,`8-3`
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srlg $i3,$s0,`16-3`
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srl $s0,`24-3`
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nr $s0,$mask
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ngr $i1,$mask
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nr $i2,$mask
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nr $i3,$mask
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llgc $s0,2($s0,$tbl) # Te4[s0>>24]
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llgc $t1,2($i1,$tbl) # Te4[s0>>0]
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llgc $t2,2($i2,$tbl) # Te4[s0>>8]
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llgc $t3,2($i3,$tbl) # Te4[s0>>16]
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sll $s0,24
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sll $t2,8
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sll $t3,16
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srlg $i1,$s1,`16-3` # i0
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sllg $i2,$s1,`0+3`
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srlg $i3,$s1,`8-3`
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srl $s1,`24-3`
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nr $i1,$mask
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nr $s1,$mask
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ngr $i2,$mask
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nr $i3,$mask
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llgc $i1,2($i1,$tbl) # Te4[s1>>16]
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llgc $s1,2($s1,$tbl) # Te4[s1>>24]
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llgc $i2,2($i2,$tbl) # Te4[s1>>0]
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llgc $i3,2($i3,$tbl) # Te4[s1>>8]
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sll $i1,16
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sll $s1,24
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sll $i3,8
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or $s0,$i1
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or $s1,$t1
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or $t2,$i2
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or $t3,$i3
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srlg $i1,$s2,`8-3` # i0
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srlg $i2,$s2,`16-3` # i1
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sllg $i3,$s2,`0+3`
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srl $s2,`24-3`
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nr $i1,$mask
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nr $i2,$mask
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nr $s2,$mask
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ngr $i3,$mask
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llgc $i1,2($i1,$tbl) # Te4[s2>>8]
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llgc $i2,2($i2,$tbl) # Te4[s2>>16]
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llgc $s2,2($s2,$tbl) # Te4[s2>>24]
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llgc $i3,2($i3,$tbl) # Te4[s2>>0]
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sll $i1,8
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sll $i2,16
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sll $s2,24
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or $s0,$i1
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or $s1,$i2
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or $s2,$t2
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or $t3,$i3
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sllg $i1,$s3,`0+3` # i0
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srlg $i2,$s3,`8-3` # i1
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srlg $i3,$s3,`16-3` # i2
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srl $s3,`24-3`
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ngr $i1,$mask
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nr $i2,$mask
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nr $i3,$mask
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nr $s3,$mask
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llgc $i1,2($i1,$tbl) # Te4[s3>>0]
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llgc $i2,2($i2,$tbl) # Te4[s3>>8]
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llgc $i3,2($i3,$tbl) # Te4[s3>>16]
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llgc $s3,2($s3,$tbl) # Te4[s3>>24]
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sll $i2,8
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sll $i3,16
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sll $s3,24
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or $s0,$i1
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or $s1,$i2
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or $s2,$i3
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or $s3,$t3
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x $s0,16($key)
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x $s1,20($key)
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x $s2,24($key)
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x $s3,28($key)
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br $ra
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.size _s390x_AES_encrypt,.-_s390x_AES_encrypt
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___
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$code.=<<___;
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.type AES_Td,\@object
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.align 64
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AES_Td:
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___
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&_data_word(
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0x51f4a750, 0x7e416553, 0x1a17a4c3, 0x3a275e96,
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0x3bab6bcb, 0x1f9d45f1, 0xacfa58ab, 0x4be30393,
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0x2030fa55, 0xad766df6, 0x88cc7691, 0xf5024c25,
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0x4fe5d7fc, 0xc52acbd7, 0x26354480, 0xb562a38f,
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0xdeb15a49, 0x25ba1b67, 0x45ea0e98, 0x5dfec0e1,
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0xc32f7502, 0x814cf012, 0x8d4697a3, 0x6bd3f9c6,
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0x038f5fe7, 0x15929c95, 0xbf6d7aeb, 0x955259da,
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0xd4be832d, 0x587421d3, 0x49e06929, 0x8ec9c844,
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0x75c2896a, 0xf48e7978, 0x99583e6b, 0x27b971dd,
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0xbee14fb6, 0xf088ad17, 0xc920ac66, 0x7dce3ab4,
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0x63df4a18, 0xe51a3182, 0x97513360, 0x62537f45,
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0xb16477e0, 0xbb6bae84, 0xfe81a01c, 0xf9082b94,
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0x70486858, 0x8f45fd19, 0x94de6c87, 0x527bf8b7,
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0xab73d323, 0x724b02e2, 0xe31f8f57, 0x6655ab2a,
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0xb2eb2807, 0x2fb5c203, 0x86c57b9a, 0xd33708a5,
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0x302887f2, 0x23bfa5b2, 0x02036aba, 0xed16825c,
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0x8acf1c2b, 0xa779b492, 0xf307f2f0, 0x4e69e2a1,
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0x65daf4cd, 0x0605bed5, 0xd134621f, 0xc4a6fe8a,
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0x342e539d, 0xa2f355a0, 0x058ae132, 0xa4f6eb75,
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0x0b83ec39, 0x4060efaa, 0x5e719f06, 0xbd6e1051,
|
|
0x3e218af9, 0x96dd063d, 0xdd3e05ae, 0x4de6bd46,
|
|
0x91548db5, 0x71c45d05, 0x0406d46f, 0x605015ff,
|
|
0x1998fb24, 0xd6bde997, 0x894043cc, 0x67d99e77,
|
|
0xb0e842bd, 0x07898b88, 0xe7195b38, 0x79c8eedb,
|
|
0xa17c0a47, 0x7c420fe9, 0xf8841ec9, 0x00000000,
|
|
0x09808683, 0x322bed48, 0x1e1170ac, 0x6c5a724e,
|
|
0xfd0efffb, 0x0f853856, 0x3daed51e, 0x362d3927,
|
|
0x0a0fd964, 0x685ca621, 0x9b5b54d1, 0x24362e3a,
|
|
0x0c0a67b1, 0x9357e70f, 0xb4ee96d2, 0x1b9b919e,
|
|
0x80c0c54f, 0x61dc20a2, 0x5a774b69, 0x1c121a16,
|
|
0xe293ba0a, 0xc0a02ae5, 0x3c22e043, 0x121b171d,
|
|
0x0e090d0b, 0xf28bc7ad, 0x2db6a8b9, 0x141ea9c8,
|
|
0x57f11985, 0xaf75074c, 0xee99ddbb, 0xa37f60fd,
|
|
0xf701269f, 0x5c72f5bc, 0x44663bc5, 0x5bfb7e34,
|
|
0x8b432976, 0xcb23c6dc, 0xb6edfc68, 0xb8e4f163,
|
|
0xd731dcca, 0x42638510, 0x13972240, 0x84c61120,
|
|
0x854a247d, 0xd2bb3df8, 0xaef93211, 0xc729a16d,
|
|
0x1d9e2f4b, 0xdcb230f3, 0x0d8652ec, 0x77c1e3d0,
|
|
0x2bb3166c, 0xa970b999, 0x119448fa, 0x47e96422,
|
|
0xa8fc8cc4, 0xa0f03f1a, 0x567d2cd8, 0x223390ef,
|
|
0x87494ec7, 0xd938d1c1, 0x8ccaa2fe, 0x98d40b36,
|
|
0xa6f581cf, 0xa57ade28, 0xdab78e26, 0x3fadbfa4,
|
|
0x2c3a9de4, 0x5078920d, 0x6a5fcc9b, 0x547e4662,
|
|
0xf68d13c2, 0x90d8b8e8, 0x2e39f75e, 0x82c3aff5,
|
|
0x9f5d80be, 0x69d0937c, 0x6fd52da9, 0xcf2512b3,
|
|
0xc8ac993b, 0x10187da7, 0xe89c636e, 0xdb3bbb7b,
|
|
0xcd267809, 0x6e5918f4, 0xec9ab701, 0x834f9aa8,
|
|
0xe6956e65, 0xaaffe67e, 0x21bccf08, 0xef15e8e6,
|
|
0xbae79bd9, 0x4a6f36ce, 0xea9f09d4, 0x29b07cd6,
|
|
0x31a4b2af, 0x2a3f2331, 0xc6a59430, 0x35a266c0,
|
|
0x744ebc37, 0xfc82caa6, 0xe090d0b0, 0x33a7d815,
|
|
0xf104984a, 0x41ecdaf7, 0x7fcd500e, 0x1791f62f,
|
|
0x764dd68d, 0x43efb04d, 0xccaa4d54, 0xe49604df,
|
|
0x9ed1b5e3, 0x4c6a881b, 0xc12c1fb8, 0x4665517f,
|
|
0x9d5eea04, 0x018c355d, 0xfa877473, 0xfb0b412e,
|
|
0xb3671d5a, 0x92dbd252, 0xe9105633, 0x6dd64713,
|
|
0x9ad7618c, 0x37a10c7a, 0x59f8148e, 0xeb133c89,
|
|
0xcea927ee, 0xb761c935, 0xe11ce5ed, 0x7a47b13c,
|
|
0x9cd2df59, 0x55f2733f, 0x1814ce79, 0x73c737bf,
|
|
0x53f7cdea, 0x5ffdaa5b, 0xdf3d6f14, 0x7844db86,
|
|
0xcaaff381, 0xb968c43e, 0x3824342c, 0xc2a3405f,
|
|
0x161dc372, 0xbce2250c, 0x283c498b, 0xff0d9541,
|
|
0x39a80171, 0x080cb3de, 0xd8b4e49c, 0x6456c190,
|
|
0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742);
|
|
$code.=<<___;
|
|
.byte 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38
|
|
.byte 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb
|
|
.byte 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87
|
|
.byte 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb
|
|
.byte 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d
|
|
.byte 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e
|
|
.byte 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2
|
|
.byte 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25
|
|
.byte 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16
|
|
.byte 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92
|
|
.byte 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda
|
|
.byte 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84
|
|
.byte 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a
|
|
.byte 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06
|
|
.byte 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02
|
|
.byte 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b
|
|
.byte 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea
|
|
.byte 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73
|
|
.byte 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85
|
|
.byte 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e
|
|
.byte 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89
|
|
.byte 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b
|
|
.byte 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20
|
|
.byte 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4
|
|
.byte 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31
|
|
.byte 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f
|
|
.byte 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d
|
|
.byte 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef
|
|
.byte 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0
|
|
.byte 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61
|
|
.byte 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26
|
|
.byte 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d
|
|
.size AES_Td,.-AES_Td
|
|
|
|
# void AES_decrypt(const unsigned char *in, unsigned char *out,
|
|
# const AES_KEY *key) {
|
|
.globl AES_decrypt
|
|
.type AES_decrypt,\@function
|
|
AES_decrypt:
|
|
lghi %r0,10
|
|
c %r0,240($key)
|
|
jne .Ldsoft
|
|
lghi %r0,0 # query capability vector
|
|
la %r1,16($sp)
|
|
.long 0xb92e0042 # km %r4,%r2
|
|
lg %r0,16($sp)
|
|
tmhl %r0,`0x8000>>2`
|
|
jz .Ldsoft
|
|
lghi %r0,`0x80|0x12` # decrypt AES-128
|
|
la %r1,160($key)
|
|
#la %r2,0($inp)
|
|
la %r4,0($out)
|
|
lghi %r3,16 # single block length
|
|
.long 0xb92e0042 # km %r4,%r2
|
|
bcr 8,%r14
|
|
la $out,0(%r4) # restore arguments
|
|
lghi $key,-160
|
|
la $key,0($key,%r1)
|
|
.Ldsoft:
|
|
stmg %r3,%r15,24($sp)
|
|
|
|
bras $tbl,.Ldpic
|
|
.Ldpic: aghi $tbl,AES_Td-.Ldpic
|
|
|
|
llgf $s0,0($inp)
|
|
llgf $s1,4($inp)
|
|
llgf $s2,8($inp)
|
|
llgf $s3,12($inp)
|
|
|
|
llill $mask,`0xff<<3`
|
|
bras $ra,_s390x_AES_decrypt
|
|
|
|
lg $out,24($sp)
|
|
st $s0,0($out)
|
|
st $s1,4($out)
|
|
st $s2,8($out)
|
|
st $s3,12($out)
|
|
|
|
lmg %r6,%r15,48($sp)
|
|
br %r14
|
|
.size AES_decrypt,.-AES_decrypt
|
|
|
|
.type _s390x_AES_decrypt,\@function
|
|
.align 16
|
|
_s390x_AES_decrypt:
|
|
x $s0,0($key)
|
|
x $s1,4($key)
|
|
x $s2,8($key)
|
|
x $s3,12($key)
|
|
l $rounds,240($key)
|
|
aghi $rounds,-1
|
|
|
|
.Ldec_loop:
|
|
srlg $i1,$s0,`16-3`
|
|
srlg $i2,$s0,`8-3`
|
|
sllg $i3,$s0,`0+3`
|
|
srl $s0,`24-3`
|
|
nr $s0,$mask
|
|
nr $i1,$mask
|
|
nr $i2,$mask
|
|
ngr $i3,$mask
|
|
l $s0,0($s0,$tbl) # Td0[s0>>24]
|
|
l $t1,3($i1,$tbl) # Td1[s0>>16]
|
|
l $t2,2($i2,$tbl) # Td2[s0>>8]
|
|
l $t3,1($i3,$tbl) # Td3[s0>>0]
|
|
|
|
sllg $i1,$s1,`0+3` # i0
|
|
srlg $i2,$s1,`16-3`
|
|
srlg $i3,$s1,`8-3`
|
|
srl $s1,`24-3`
|
|
ngr $i1,$mask
|
|
nr $s1,$mask
|
|
nr $i2,$mask
|
|
nr $i3,$mask
|
|
x $s0,1($i1,$tbl) # Td3[s1>>0]
|
|
l $s1,0($s1,$tbl) # Td0[s1>>24]
|
|
x $t2,3($i2,$tbl) # Td1[s1>>16]
|
|
x $t3,2($i3,$tbl) # Td2[s1>>8]
|
|
xr $s1,$t1
|
|
|
|
srlg $i1,$s2,`8-3` # i0
|
|
sllg $i2,$s2,`0+3` # i1
|
|
srlg $i3,$s2,`16-3`
|
|
srl $s2,`24-3`
|
|
nr $i1,$mask
|
|
ngr $i2,$mask
|
|
nr $s2,$mask
|
|
nr $i3,$mask
|
|
x $s0,2($i1,$tbl) # Td2[s2>>8]
|
|
x $s1,1($i2,$tbl) # Td3[s2>>0]
|
|
l $s2,0($s2,$tbl) # Td0[s2>>24]
|
|
x $t3,3($i3,$tbl) # Td1[s2>>16]
|
|
xr $s2,$t2
|
|
|
|
srlg $i1,$s3,`16-3` # i0
|
|
srlg $i2,$s3,`8-3` # i1
|
|
sllg $i3,$s3,`0+3` # i2
|
|
srl $s3,`24-3`
|
|
nr $i1,$mask
|
|
nr $i2,$mask
|
|
ngr $i3,$mask
|
|
nr $s3,$mask
|
|
x $s0,3($i1,$tbl) # Td1[s3>>16]
|
|
x $s1,2($i2,$tbl) # Td2[s3>>8]
|
|
x $s2,1($i3,$tbl) # Td3[s3>>0]
|
|
l $s3,0($s3,$tbl) # Td0[s3>>24]
|
|
xr $s3,$t3
|
|
|
|
la $key,16($key)
|
|
x $s0,0($key)
|
|
x $s1,4($key)
|
|
x $s2,8($key)
|
|
x $s3,12($key)
|
|
|
|
brct $rounds,.Ldec_loop
|
|
|
|
l $t1,`2048+0`($tbl) # prefetch Td4
|
|
l $t2,`2048+32`($tbl)
|
|
l $t3,`2048+64`($tbl)
|
|
l $i1,`2048+96`($tbl)
|
|
l $i2,`2048+128`($tbl)
|
|
l $i3,`2048+160`($tbl)
|
|
l $t1,`2048+192`($tbl)
|
|
l $t2,`2048+224`($tbl)
|
|
llill $mask,0xff
|
|
|
|
srlg $i3,$s0,24 # i0
|
|
srlg $i1,$s0,16
|
|
srlg $i2,$s0,8
|
|
nr $s0,$mask # i3
|
|
nr $i1,$mask
|
|
nr $i2,$mask
|
|
llgc $i3,2048($i3,$tbl) # Td4[s0>>24]
|
|
llgc $t1,2048($i1,$tbl) # Td4[s0>>16]
|
|
llgc $t2,2048($i2,$tbl) # Td4[s0>>8]
|
|
llgc $t3,2048($s0,$tbl) # Td4[s0>>0]
|
|
sllg $s0,$i3,24
|
|
sll $t1,16
|
|
sll $t2,8
|
|
|
|
srlg $i1,$s1,24
|
|
srlg $i2,$s1,16
|
|
srlg $i3,$s1,8
|
|
nr $s1,$mask # i0
|
|
nr $i2,$mask
|
|
nr $i3,$mask
|
|
llgc $s1,2048($s1,$tbl) # Td4[s1>>0]
|
|
llgc $i1,2048($i1,$tbl) # Td4[s1>>24]
|
|
llgc $i2,2048($i2,$tbl) # Td4[s1>>16]
|
|
llgc $i3,2048($i3,$tbl) # Td4[s1>>8]
|
|
sll $i1,24
|
|
sll $i2,16
|
|
sll $i3,8
|
|
or $s0,$s1
|
|
or $t1,$i1
|
|
or $t2,$i2
|
|
or $t3,$i3
|
|
|
|
srlg $i1,$s2,8 # i0
|
|
srlg $i2,$s2,24
|
|
srlg $i3,$s2,16
|
|
nr $s2,$mask # i1
|
|
nr $i1,$mask
|
|
nr $i3,$mask
|
|
llgc $i1,2048($i1,$tbl) # Td4[s2>>8]
|
|
llgc $s1,2048($s2,$tbl) # Td4[s2>>0]
|
|
llgc $i2,2048($i2,$tbl) # Td4[s2>>24]
|
|
llgc $i3,2048($i3,$tbl) # Td4[s2>>16]
|
|
sll $i1,8
|
|
sll $i2,24
|
|
sll $i3,16
|
|
or $s0,$i1
|
|
or $s1,$t1
|
|
or $t2,$i2
|
|
or $t3,$i3
|
|
|
|
srlg $i1,$s3,16 # i0
|
|
srlg $i2,$s3,8 # i1
|
|
srlg $i3,$s3,24
|
|
nr $s3,$mask # i2
|
|
nr $i1,$mask
|
|
nr $i2,$mask
|
|
llgc $i1,2048($i1,$tbl) # Td4[s3>>16]
|
|
llgc $i2,2048($i2,$tbl) # Td4[s3>>8]
|
|
llgc $s2,2048($s3,$tbl) # Td4[s3>>0]
|
|
llgc $s3,2048($i3,$tbl) # Td4[s3>>24]
|
|
sll $i1,16
|
|
sll $i2,8
|
|
sll $s3,24
|
|
or $s0,$i1
|
|
or $s1,$i2
|
|
or $s2,$t2
|
|
or $s3,$t3
|
|
|
|
x $s0,16($key)
|
|
x $s1,20($key)
|
|
x $s2,24($key)
|
|
x $s3,28($key)
|
|
|
|
br $ra
|
|
.size _s390x_AES_decrypt,.-_s390x_AES_decrypt
|
|
.string "AES for s390x, CRYPTOGAMS by <appro\@openssl.org>"
|
|
___
|
|
|
|
$code =~ s/\`([^\`]*)\`/eval $1/gem;
|
|
print $code;
|