3 # ====================================================================
4 # Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL
5 # project. The module is, however, dual licensed under OpenSSL and
6 # CRYPTOGAMS licenses depending on where you obtain it. For further
7 # details see http://www.openssl.org/~appro/cryptogams/.
8 # ====================================================================
14 # Software performance improvement over gcc-generated code is ~70% and
15 # in absolute terms is ~73 cycles per byte processed with 128-bit key.
16 # You're likely to exclaim "why so slow?" Keep in mind that z-CPUs are
17 # *strictly* in-order execution and issued instruction [in this case
18 # load value from memory is critical] has to complete before execution
19 # flow proceeds. S-boxes are compressed to 2KB[+256B].
21 # As for hardware acceleration support. It's basically a "teaser," as
22 # it can and should be improved in several ways. Most notably support
23 # for CBC is not utilized, nor multiple blocks are ever processed.
24 # Then software key schedule can be postponed till hardware support
25 # detection... Performance improvement over assembler is reportedly
26 # ~2.5x, but can reach >8x [naturally on larger chunks] if proper
27 # support is implemented.
31 # Implement AES_set_[en|de]crypt_key. Key schedule setup is avoided
32 # for 128-bit keys, if hardware support is detected.
36 # Add support for hardware AES192/256 and reschedule instructions to
37 # minimize/avoid Address Generation Interlock hazard and to favour
38 # dual-issue z10 pipeline. This gave ~25% improvement on z10. The gain
39 # should be larger on earlier CPUs, because being dual-issue z10 makes
40 # it improssible to eliminate the interlock condition, critial path is
41 # not long enough. Yet z10 spends ~24 cycles per byte processed with
44 # Unlike previous version hardware support detection takes place only
45 # at the moment of key schedule setup, which is denoted in key->rounds.
46 # This is done, because deferred key setup can't be made MT-safe, not
47 # for key lengthes longer than 128 bits.
49 # Add AES_cbc_encrypt, which gives incredible performance improvement,
50 # it was measured to be ~6.6x. It's less than previously mentioned 8x,
51 # because software implementation was optimized.
53 $softonly=0; # allow hardware support
55 $t0="%r0"; $mask="%r0";
57 $t2="%r2"; $inp="%r2";
58 $t3="%r3"; $out="%r3"; $bits="%r3";
74 while(defined($i=shift)) { $code.=sprintf".long\t0x%08x,0x%08x\n",$i,$i; }
85 0xc66363a5, 0xf87c7c84, 0xee777799, 0xf67b7b8d,
86 0xfff2f20d, 0xd66b6bbd, 0xde6f6fb1, 0x91c5c554,
87 0x60303050, 0x02010103, 0xce6767a9, 0x562b2b7d,
88 0xe7fefe19, 0xb5d7d762, 0x4dababe6, 0xec76769a,
89 0x8fcaca45, 0x1f82829d, 0x89c9c940, 0xfa7d7d87,
90 0xeffafa15, 0xb25959eb, 0x8e4747c9, 0xfbf0f00b,
91 0x41adadec, 0xb3d4d467, 0x5fa2a2fd, 0x45afafea,
92 0x239c9cbf, 0x53a4a4f7, 0xe4727296, 0x9bc0c05b,
93 0x75b7b7c2, 0xe1fdfd1c, 0x3d9393ae, 0x4c26266a,
94 0x6c36365a, 0x7e3f3f41, 0xf5f7f702, 0x83cccc4f,
95 0x6834345c, 0x51a5a5f4, 0xd1e5e534, 0xf9f1f108,
96 0xe2717193, 0xabd8d873, 0x62313153, 0x2a15153f,
97 0x0804040c, 0x95c7c752, 0x46232365, 0x9dc3c35e,
98 0x30181828, 0x379696a1, 0x0a05050f, 0x2f9a9ab5,
99 0x0e070709, 0x24121236, 0x1b80809b, 0xdfe2e23d,
100 0xcdebeb26, 0x4e272769, 0x7fb2b2cd, 0xea75759f,
101 0x1209091b, 0x1d83839e, 0x582c2c74, 0x341a1a2e,
102 0x361b1b2d, 0xdc6e6eb2, 0xb45a5aee, 0x5ba0a0fb,
103 0xa45252f6, 0x763b3b4d, 0xb7d6d661, 0x7db3b3ce,
104 0x5229297b, 0xdde3e33e, 0x5e2f2f71, 0x13848497,
105 0xa65353f5, 0xb9d1d168, 0x00000000, 0xc1eded2c,
106 0x40202060, 0xe3fcfc1f, 0x79b1b1c8, 0xb65b5bed,
107 0xd46a6abe, 0x8dcbcb46, 0x67bebed9, 0x7239394b,
108 0x944a4ade, 0x984c4cd4, 0xb05858e8, 0x85cfcf4a,
109 0xbbd0d06b, 0xc5efef2a, 0x4faaaae5, 0xedfbfb16,
110 0x864343c5, 0x9a4d4dd7, 0x66333355, 0x11858594,
111 0x8a4545cf, 0xe9f9f910, 0x04020206, 0xfe7f7f81,
112 0xa05050f0, 0x783c3c44, 0x259f9fba, 0x4ba8a8e3,
113 0xa25151f3, 0x5da3a3fe, 0x804040c0, 0x058f8f8a,
114 0x3f9292ad, 0x219d9dbc, 0x70383848, 0xf1f5f504,
115 0x63bcbcdf, 0x77b6b6c1, 0xafdada75, 0x42212163,
116 0x20101030, 0xe5ffff1a, 0xfdf3f30e, 0xbfd2d26d,
117 0x81cdcd4c, 0x180c0c14, 0x26131335, 0xc3ecec2f,
118 0xbe5f5fe1, 0x359797a2, 0x884444cc, 0x2e171739,
119 0x93c4c457, 0x55a7a7f2, 0xfc7e7e82, 0x7a3d3d47,
120 0xc86464ac, 0xba5d5de7, 0x3219192b, 0xe6737395,
121 0xc06060a0, 0x19818198, 0x9e4f4fd1, 0xa3dcdc7f,
122 0x44222266, 0x542a2a7e, 0x3b9090ab, 0x0b888883,
123 0x8c4646ca, 0xc7eeee29, 0x6bb8b8d3, 0x2814143c,
124 0xa7dede79, 0xbc5e5ee2, 0x160b0b1d, 0xaddbdb76,
125 0xdbe0e03b, 0x64323256, 0x743a3a4e, 0x140a0a1e,
126 0x924949db, 0x0c06060a, 0x4824246c, 0xb85c5ce4,
127 0x9fc2c25d, 0xbdd3d36e, 0x43acacef, 0xc46262a6,
128 0x399191a8, 0x319595a4, 0xd3e4e437, 0xf279798b,
129 0xd5e7e732, 0x8bc8c843, 0x6e373759, 0xda6d6db7,
130 0x018d8d8c, 0xb1d5d564, 0x9c4e4ed2, 0x49a9a9e0,
131 0xd86c6cb4, 0xac5656fa, 0xf3f4f407, 0xcfeaea25,
132 0xca6565af, 0xf47a7a8e, 0x47aeaee9, 0x10080818,
133 0x6fbabad5, 0xf0787888, 0x4a25256f, 0x5c2e2e72,
134 0x381c1c24, 0x57a6a6f1, 0x73b4b4c7, 0x97c6c651,
135 0xcbe8e823, 0xa1dddd7c, 0xe874749c, 0x3e1f1f21,
136 0x964b4bdd, 0x61bdbddc, 0x0d8b8b86, 0x0f8a8a85,
137 0xe0707090, 0x7c3e3e42, 0x71b5b5c4, 0xcc6666aa,
138 0x904848d8, 0x06030305, 0xf7f6f601, 0x1c0e0e12,
139 0xc26161a3, 0x6a35355f, 0xae5757f9, 0x69b9b9d0,
140 0x17868691, 0x99c1c158, 0x3a1d1d27, 0x279e9eb9,
141 0xd9e1e138, 0xebf8f813, 0x2b9898b3, 0x22111133,
142 0xd26969bb, 0xa9d9d970, 0x078e8e89, 0x339494a7,
143 0x2d9b9bb6, 0x3c1e1e22, 0x15878792, 0xc9e9e920,
144 0x87cece49, 0xaa5555ff, 0x50282878, 0xa5dfdf7a,
145 0x038c8c8f, 0x59a1a1f8, 0x09898980, 0x1a0d0d17,
146 0x65bfbfda, 0xd7e6e631, 0x844242c6, 0xd06868b8,
147 0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11,
148 0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a);
151 .byte 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5
152 .byte 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76
153 .byte 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0
154 .byte 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0
155 .byte 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc
156 .byte 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15
157 .byte 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a
158 .byte 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75
159 .byte 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0
160 .byte 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84
161 .byte 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b
162 .byte 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf
163 .byte 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85
164 .byte 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8
165 .byte 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5
166 .byte 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2
167 .byte 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17
168 .byte 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73
169 .byte 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88
170 .byte 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb
171 .byte 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c
172 .byte 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79
173 .byte 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9
174 .byte 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08
175 .byte 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6
176 .byte 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a
177 .byte 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e
178 .byte 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e
179 .byte 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94
180 .byte 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf
181 .byte 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68
182 .byte 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
184 .long 0x01000000, 0x02000000, 0x04000000, 0x08000000
185 .long 0x10000000, 0x20000000, 0x40000000, 0x80000000
186 .long 0x1B000000, 0x36000000, 0, 0, 0, 0, 0, 0
188 .size AES_Te,.-AES_Te
190 # void AES_encrypt(const unsigned char *inp, unsigned char *out,
191 # const AES_KEY *key) {
193 .type AES_encrypt,\@function
196 $code.=<<___ if (!$softonly);
205 lghi %r3,16 # single block length
206 .long 0xb92e0042 # km %r4,%r2
207 brc 1,.-4 # can this happen?
221 bras $ra,_s390x_AES_encrypt
231 .size AES_encrypt,.-AES_encrypt
233 .type _s390x_AES_encrypt,\@function
242 llill $mask,`0xff<<3`
256 srlg $i1,$s1,`16-3` # i0
265 l $s0,0($s0,$tbl) # Te0[s0>>24]
266 l $t1,1($t1,$tbl) # Te3[s0>>0]
267 l $t2,2($t2,$tbl) # Te2[s0>>8]
268 l $t3,3($t3,$tbl) # Te1[s0>>16]
270 x $s0,3($i1,$tbl) # Te1[s1>>16]
271 l $s1,0($s1,$tbl) # Te0[s1>>24]
272 x $t2,1($i2,$tbl) # Te3[s1>>0]
273 x $t3,2($i3,$tbl) # Te2[s1>>8]
275 srlg $i1,$s2,`8-3` # i0
276 srlg $i2,$s2,`16-3` # i1
285 srlg $ra,$s3,`8-3` # i1
286 sllg $t1,$s3,`0+3` # i0
291 x $s0,2($i1,$tbl) # Te2[s2>>8]
292 x $s1,3($i2,$tbl) # Te1[s2>>16]
293 l $s2,0($s2,$tbl) # Te0[s2>>24]
294 x $t3,1($i3,$tbl) # Te3[s2>>0]
296 srlg $i3,$s3,`16-3` # i2
307 x $s0,1($t1,$tbl) # Te3[s3>>0]
308 x $s1,2($ra,$tbl) # Te2[s3>>8]
309 x $s2,3($i3,$tbl) # Te1[s3>>16]
310 l $s3,0($s3,$tbl) # Te0[s3>>24]
313 brct $rounds,.Lenc_loop
325 srlg $i1,$s1,`16-3` # i0
334 llgc $s0,2($s0,$tbl) # Te4[s0>>24]
335 llgc $t1,2($t1,$tbl) # Te4[s0>>0]
337 llgc $t2,2($t2,$tbl) # Te4[s0>>8]
338 llgc $t3,2($t3,$tbl) # Te4[s0>>16]
342 llgc $i1,2($i1,$tbl) # Te4[s1>>16]
343 llgc $s1,2($s1,$tbl) # Te4[s1>>24]
344 llgc $i2,2($i2,$tbl) # Te4[s1>>0]
345 llgc $i3,2($i3,$tbl) # Te4[s1>>8]
354 srlg $i1,$s2,`8-3` # i0
355 srlg $i2,$s2,`16-3` # i1
363 sllg $t1,$s3,`0+3` # i0
364 srlg $ra,$s3,`8-3` # i1
367 llgc $i1,2($i1,$tbl) # Te4[s2>>8]
368 llgc $i2,2($i2,$tbl) # Te4[s2>>16]
370 llgc $s2,2($s2,$tbl) # Te4[s2>>24]
371 llgc $i3,2($i3,$tbl) # Te4[s2>>0]
380 srlg $i3,$s3,`16-3` # i2
388 llgc $i1,2($t1,$tbl) # Te4[s3>>0]
389 llgc $i2,2($ra,$tbl) # Te4[s3>>8]
390 llgc $i3,2($i3,$tbl) # Te4[s3>>16]
391 llgc $s3,2($s3,$tbl) # Te4[s3>>24]
407 .size _s390x_AES_encrypt,.-_s390x_AES_encrypt
411 .type AES_Td,\@object
416 0x51f4a750, 0x7e416553, 0x1a17a4c3, 0x3a275e96,
417 0x3bab6bcb, 0x1f9d45f1, 0xacfa58ab, 0x4be30393,
418 0x2030fa55, 0xad766df6, 0x88cc7691, 0xf5024c25,
419 0x4fe5d7fc, 0xc52acbd7, 0x26354480, 0xb562a38f,
420 0xdeb15a49, 0x25ba1b67, 0x45ea0e98, 0x5dfec0e1,
421 0xc32f7502, 0x814cf012, 0x8d4697a3, 0x6bd3f9c6,
422 0x038f5fe7, 0x15929c95, 0xbf6d7aeb, 0x955259da,
423 0xd4be832d, 0x587421d3, 0x49e06929, 0x8ec9c844,
424 0x75c2896a, 0xf48e7978, 0x99583e6b, 0x27b971dd,
425 0xbee14fb6, 0xf088ad17, 0xc920ac66, 0x7dce3ab4,
426 0x63df4a18, 0xe51a3182, 0x97513360, 0x62537f45,
427 0xb16477e0, 0xbb6bae84, 0xfe81a01c, 0xf9082b94,
428 0x70486858, 0x8f45fd19, 0x94de6c87, 0x527bf8b7,
429 0xab73d323, 0x724b02e2, 0xe31f8f57, 0x6655ab2a,
430 0xb2eb2807, 0x2fb5c203, 0x86c57b9a, 0xd33708a5,
431 0x302887f2, 0x23bfa5b2, 0x02036aba, 0xed16825c,
432 0x8acf1c2b, 0xa779b492, 0xf307f2f0, 0x4e69e2a1,
433 0x65daf4cd, 0x0605bed5, 0xd134621f, 0xc4a6fe8a,
434 0x342e539d, 0xa2f355a0, 0x058ae132, 0xa4f6eb75,
435 0x0b83ec39, 0x4060efaa, 0x5e719f06, 0xbd6e1051,
436 0x3e218af9, 0x96dd063d, 0xdd3e05ae, 0x4de6bd46,
437 0x91548db5, 0x71c45d05, 0x0406d46f, 0x605015ff,
438 0x1998fb24, 0xd6bde997, 0x894043cc, 0x67d99e77,
439 0xb0e842bd, 0x07898b88, 0xe7195b38, 0x79c8eedb,
440 0xa17c0a47, 0x7c420fe9, 0xf8841ec9, 0x00000000,
441 0x09808683, 0x322bed48, 0x1e1170ac, 0x6c5a724e,
442 0xfd0efffb, 0x0f853856, 0x3daed51e, 0x362d3927,
443 0x0a0fd964, 0x685ca621, 0x9b5b54d1, 0x24362e3a,
444 0x0c0a67b1, 0x9357e70f, 0xb4ee96d2, 0x1b9b919e,
445 0x80c0c54f, 0x61dc20a2, 0x5a774b69, 0x1c121a16,
446 0xe293ba0a, 0xc0a02ae5, 0x3c22e043, 0x121b171d,
447 0x0e090d0b, 0xf28bc7ad, 0x2db6a8b9, 0x141ea9c8,
448 0x57f11985, 0xaf75074c, 0xee99ddbb, 0xa37f60fd,
449 0xf701269f, 0x5c72f5bc, 0x44663bc5, 0x5bfb7e34,
450 0x8b432976, 0xcb23c6dc, 0xb6edfc68, 0xb8e4f163,
451 0xd731dcca, 0x42638510, 0x13972240, 0x84c61120,
452 0x854a247d, 0xd2bb3df8, 0xaef93211, 0xc729a16d,
453 0x1d9e2f4b, 0xdcb230f3, 0x0d8652ec, 0x77c1e3d0,
454 0x2bb3166c, 0xa970b999, 0x119448fa, 0x47e96422,
455 0xa8fc8cc4, 0xa0f03f1a, 0x567d2cd8, 0x223390ef,
456 0x87494ec7, 0xd938d1c1, 0x8ccaa2fe, 0x98d40b36,
457 0xa6f581cf, 0xa57ade28, 0xdab78e26, 0x3fadbfa4,
458 0x2c3a9de4, 0x5078920d, 0x6a5fcc9b, 0x547e4662,
459 0xf68d13c2, 0x90d8b8e8, 0x2e39f75e, 0x82c3aff5,
460 0x9f5d80be, 0x69d0937c, 0x6fd52da9, 0xcf2512b3,
461 0xc8ac993b, 0x10187da7, 0xe89c636e, 0xdb3bbb7b,
462 0xcd267809, 0x6e5918f4, 0xec9ab701, 0x834f9aa8,
463 0xe6956e65, 0xaaffe67e, 0x21bccf08, 0xef15e8e6,
464 0xbae79bd9, 0x4a6f36ce, 0xea9f09d4, 0x29b07cd6,
465 0x31a4b2af, 0x2a3f2331, 0xc6a59430, 0x35a266c0,
466 0x744ebc37, 0xfc82caa6, 0xe090d0b0, 0x33a7d815,
467 0xf104984a, 0x41ecdaf7, 0x7fcd500e, 0x1791f62f,
468 0x764dd68d, 0x43efb04d, 0xccaa4d54, 0xe49604df,
469 0x9ed1b5e3, 0x4c6a881b, 0xc12c1fb8, 0x4665517f,
470 0x9d5eea04, 0x018c355d, 0xfa877473, 0xfb0b412e,
471 0xb3671d5a, 0x92dbd252, 0xe9105633, 0x6dd64713,
472 0x9ad7618c, 0x37a10c7a, 0x59f8148e, 0xeb133c89,
473 0xcea927ee, 0xb761c935, 0xe11ce5ed, 0x7a47b13c,
474 0x9cd2df59, 0x55f2733f, 0x1814ce79, 0x73c737bf,
475 0x53f7cdea, 0x5ffdaa5b, 0xdf3d6f14, 0x7844db86,
476 0xcaaff381, 0xb968c43e, 0x3824342c, 0xc2a3405f,
477 0x161dc372, 0xbce2250c, 0x283c498b, 0xff0d9541,
478 0x39a80171, 0x080cb3de, 0xd8b4e49c, 0x6456c190,
479 0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742);
482 .byte 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38
483 .byte 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb
484 .byte 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87
485 .byte 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb
486 .byte 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d
487 .byte 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e
488 .byte 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2
489 .byte 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25
490 .byte 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16
491 .byte 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92
492 .byte 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda
493 .byte 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84
494 .byte 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a
495 .byte 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06
496 .byte 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02
497 .byte 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b
498 .byte 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea
499 .byte 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73
500 .byte 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85
501 .byte 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e
502 .byte 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89
503 .byte 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b
504 .byte 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20
505 .byte 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4
506 .byte 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31
507 .byte 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f
508 .byte 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d
509 .byte 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef
510 .byte 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0
511 .byte 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61
512 .byte 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26
513 .byte 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d
514 .size AES_Td,.-AES_Td
516 # void AES_decrypt(const unsigned char *inp, unsigned char *out,
517 # const AES_KEY *key) {
519 .type AES_decrypt,\@function
522 $code.=<<___ if (!$softonly);
531 lghi %r3,16 # single block length
532 .long 0xb92e0042 # km %r4,%r2
533 brc 1,.-4 # can this happen?
547 bras $ra,_s390x_AES_decrypt
557 .size AES_decrypt,.-AES_decrypt
559 .type _s390x_AES_decrypt,\@function
568 llill $mask,`0xff<<3`
582 sllg $i1,$s1,`0+3` # i0
591 l $s0,0($s0,$tbl) # Td0[s0>>24]
592 l $t1,3($t1,$tbl) # Td1[s0>>16]
593 l $t2,2($t2,$tbl) # Td2[s0>>8]
594 l $t3,1($t3,$tbl) # Td3[s0>>0]
596 x $s0,1($i1,$tbl) # Td3[s1>>0]
597 l $s1,0($s1,$tbl) # Td0[s1>>24]
598 x $t2,3($i2,$tbl) # Td1[s1>>16]
599 x $t3,2($i3,$tbl) # Td2[s1>>8]
601 srlg $i1,$s2,`8-3` # i0
602 sllg $i2,$s2,`0+3` # i1
611 srlg $ra,$s3,`8-3` # i1
612 srlg $t1,$s3,`16-3` # i0
617 x $s0,2($i1,$tbl) # Td2[s2>>8]
618 x $s1,1($i2,$tbl) # Td3[s2>>0]
619 l $s2,0($s2,$tbl) # Td0[s2>>24]
620 x $t3,3($i3,$tbl) # Td1[s2>>16]
622 sllg $i3,$s3,`0+3` # i2
633 x $s0,3($t1,$tbl) # Td1[s3>>16]
634 x $s1,2($ra,$tbl) # Td2[s3>>8]
635 x $s2,1($i3,$tbl) # Td3[s3>>0]
636 l $s3,0($s3,$tbl) # Td0[s3>>24]
639 brct $rounds,.Ldec_loop
642 l $t1,`2048+0`($tbl) # prefetch Td4
643 l $t2,`2048+64`($tbl)
644 l $t3,`2048+128`($tbl)
645 l $i1,`2048+192`($tbl)
662 llgc $i3,2048($i3,$tbl) # Td4[s0>>24]
663 llgc $t1,2048($t1,$tbl) # Td4[s0>>16]
664 llgc $t2,2048($t2,$tbl) # Td4[s0>>8]
666 llgc $t3,2048($s0,$tbl) # Td4[s0>>0]
670 llgc $s1,2048($s1,$tbl) # Td4[s1>>0]
671 llgc $i1,2048($i1,$tbl) # Td4[s1>>24]
672 llgc $i2,2048($i2,$tbl) # Td4[s1>>16]
674 llgc $i3,2048($ra,$tbl) # Td4[s1>>8]
688 llgc $i1,2048($i1,$tbl) # Td4[s2>>8]
689 llgc $s1,2048($s2,$tbl) # Td4[s2>>0]
690 llgc $i2,2048($i2,$tbl) # Td4[s2>>24]
691 llgc $i3,2048($i3,$tbl) # Td4[s2>>16]
711 llgc $i1,2048($i1,$tbl) # Td4[s3>>16]
712 llgc $i2,2048($i2,$tbl) # Td4[s3>>8]
714 llgc $s2,2048($s3,$tbl) # Td4[s3>>0]
715 llgc $s3,2048($i3,$tbl) # Td4[s3>>24]
729 .size _s390x_AES_decrypt,.-_s390x_AES_decrypt
733 # void AES_set_encrypt_key(const unsigned char *in, int bits,
735 .globl AES_set_encrypt_key
736 .type AES_set_encrypt_key,\@function
760 $code.=<<___ if (!$softonly);
761 # convert bits to km code, [128,192,256]->[18,19,20]
768 lghi %r0,0 # query capability vector
770 .long 0xb92f0042 # kmc %r4,%r2
777 lmg %r0,%r1,0($inp) # just copy 128 bits...
787 1: st $bits,236($key) # save bits
788 st %r5,240($key) # save km code
795 stmg %r6,%r13,48($sp) # all non-volatile regs
797 larl $tbl,AES_Te+2048
816 llgfr $t2,$s3 # temp=rk[3]
830 icm $t2,2,0($t2) # Te4[rk[3]>>0]<<8
831 icm $t2,4,0($i1) # Te4[rk[3]>>8]<<16
832 icm $t2,8,0($i2) # Te4[rk[3]>>16]<<24
833 icm $t2,1,0($i3) # Te4[rk[3]>>24]
834 x $t2,256($t3,$tbl) # rcon[i]
835 xr $s0,$t2 # rk[4]=rk[0]^...
836 xr $s1,$s0 # rk[5]=rk[1]^rk[4]
837 xr $s2,$s1 # rk[6]=rk[2]^rk[5]
838 xr $s3,$s2 # rk[7]=rk[3]^rk[6]
840 llgfr $t2,$s3 # temp=rk[3]
852 la $key,16($key) # key+=4
854 brct $rounds,.L128_loop
888 icm $t1,2,0($t1) # Te4[rk[5]>>0]<<8
889 icm $t1,4,0($i1) # Te4[rk[5]>>8]<<16
890 icm $t1,8,0($i2) # Te4[rk[5]>>16]<<24
891 icm $t1,1,0($i3) # Te4[rk[5]>>24]
892 x $t1,256($t3,$tbl) # rcon[i]
893 xr $s0,$t1 # rk[6]=rk[0]^...
894 xr $s1,$s0 # rk[7]=rk[1]^rk[6]
895 xr $s2,$s1 # rk[8]=rk[2]^rk[7]
896 xr $s3,$s2 # rk[9]=rk[3]^rk[8]
902 brct $rounds,.L192_continue
910 x $t1,16($key) # rk[10]=rk[4]^rk[9]
912 x $t1,20($key) # rk[11]=rk[5]^rk[10]
922 la $key,24($key) # key+=6
951 icm $t1,2,0($t1) # Te4[rk[7]>>0]<<8
952 icm $t1,4,0($i1) # Te4[rk[7]>>8]<<16
953 icm $t1,8,0($i2) # Te4[rk[7]>>16]<<24
954 icm $t1,1,0($i3) # Te4[rk[7]>>24]
955 x $t1,256($t3,$tbl) # rcon[i]
956 xr $s0,$t1 # rk[8]=rk[0]^...
957 xr $s1,$s0 # rk[9]=rk[1]^rk[8]
958 xr $s2,$s1 # rk[10]=rk[2]^rk[9]
959 xr $s3,$s2 # rk[11]=rk[3]^rk[10]
964 brct $rounds,.L256_continue
971 lgr $t1,$s3 # temp=rk[11]
982 llgc $t1,0($t1) # Te4[rk[11]>>0]
983 icm $t1,2,0($i1) # Te4[rk[11]>>8]<<8
984 icm $t1,4,0($i2) # Te4[rk[11]>>16]<<16
985 icm $t1,8,0($i3) # Te4[rk[11]>>24]<<24
986 x $t1,16($key) # rk[12]=rk[4]^...
988 x $t1,20($key) # rk[13]=rk[5]^rk[12]
990 x $t1,24($key) # rk[14]=rk[6]^rk[13]
992 x $t1,28($key) # rk[15]=rk[7]^rk[14]
1002 la $key,32($key) # key+=8
1009 .size AES_set_encrypt_key,.-AES_set_encrypt_key
1011 # void AES_set_decrypt_key(const unsigned char *in, int bits,
1013 .globl AES_set_decrypt_key
1014 .type AES_set_decrypt_key,\@function
1016 AES_set_decrypt_key:
1017 stg $key,32($sp) # I rely on AES_set_encrypt_key to
1018 stg $ra,112($sp) # save non-volatile registers!
1019 bras $ra,AES_set_encrypt_key
1025 $code.=<<___ if (!$softonly);
1030 oill $t0,0x80 # set "decrypt" bit
1038 bras $ra,.Lekey_internal
1044 .Lgo: llgf $rounds,240($key)
1052 .Linv: lmg $s0,$s1,0($i1)
1064 llgf $rounds,240($key)
1066 sll $rounds,2 # (rounds-1)*4
1067 llilh $mask80,0x8080
1068 llilh $mask1b,0x1b1b
1069 llilh $maskfe,0xfefe
1075 .Lmix: l $s0,16($key) # tp1
1103 xr $s1,$s0 # tp2^tp1
1104 xr $s2,$s0 # tp4^tp1
1105 rll $s0,$s0,24 # = ROTATE(tp1,8)
1107 xr $s0,$s1 # ^=tp2^tp1
1108 xr $s1,$s3 # tp2^tp1^tp8
1109 xr $s0,$s2 # ^=tp4^tp1^tp8
1112 xr $s0,$s1 # ^= ROTATE(tp8^tp2^tp1,24)
1114 xr $s0,$s2 # ^= ROTATE(tp8^tp4^tp1,16)
1115 xr $s0,$s3 # ^= ROTATE(tp8,8)
1121 lmg %r6,%r13,48($sp)# as was saved by AES_set_encrypt_key!
1124 .size AES_set_decrypt_key,.-AES_set_decrypt_key
1127 #void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
1128 # size_t length, const AES_KEY *key,
1129 # unsigned char *ivec, const int enc)
1132 my $out="%r4"; # length and out are swapped
1138 .globl AES_cbc_encrypt
1139 .type AES_cbc_encrypt,\@function
1142 xgr %r3,%r4 # flip %r3 and %r4, out and len
1146 $code.=<<___ if (!$softonly);
1151 lg %r0,0($ivp) # copy ivec
1153 stmg %r0,%r1,16($sp)
1154 lmg %r0,%r1,0($key) # copy key, cover 256 bit
1155 stmg %r0,%r1,32($sp)
1156 lmg %r0,%r1,16($key)
1157 stmg %r0,%r1,48($sp)
1158 l %r0,240($key) # load kmc code
1159 lghi $key,15 # res=len%16, len-=res;
1162 la %r1,16($sp) # parameter block - ivec || key
1164 .long 0xb92f0042 # kmc %r4,%r2
1165 brc 1,.-4 # pay attention to "partial completion"
1169 lmg %r0,%r1,16($sp) # copy ivec to caller
1175 ahi $key,-1 # it's the way it's encoded in mvc
1177 jnz .Lkmc_truncated_dec
1182 mvc 128(1,$sp),0($inp)
1184 la %r1,16($sp) # restore parameter block
1187 .long 0xb92f0042 # kmc %r4,%r2
1190 .Lkmc_truncated_dec:
1194 .long 0xb92f0042 # kmc %r4,%r2
1197 mvc 0(1,$out),128($sp)
1204 stmg $key,$ra,40($sp)
1218 brc 4,.Lcbc_enc_tail # if borrow
1220 stmg $inp,$out,16($sp)
1227 bras $ra,_s390x_AES_encrypt
1229 lmg $inp,$key,16($sp)
1241 brc 4,.Lcbc_enc_tail # if borrow
1261 mvc 128(1,$sp),0($inp)
1273 stmg $t0,$t1,128($sp)
1276 stmg $inp,$out,16($sp)
1283 bras $ra,_s390x_AES_decrypt
1285 lmg $inp,$key,16($sp)
1297 brc 4,.Lcbc_dec_tail # if borrow
1298 brc 2,.Lcbc_dec_done # if zero
1301 stmg $t0,$t1,128($sp)
1311 lmg $ivp,$ra,48($sp)
1312 stmg $t0,$t1,0($ivp)
1322 mvc 0(1,$out),128($sp)
1325 .size AES_cbc_encrypt,.-AES_cbc_encrypt
1329 .string "AES for s390x, CRYPTOGAMS by <appro\@openssl.org>"
1332 $code =~ s/\`([^\`]*)\`/eval $1/gem;