2 // Copyright (c) 2001, Dr Brian Gladman <brg@gladman.uk.net>, Worcester, UK.
3 // All rights reserved.
7 // Redistribution and use in source and binary forms, with or without
8 // modification, are permitted subject to the following conditions:
10 // 1. Redistributions of source code must retain the above copyright
11 // notice, this list of conditions and the following disclaimer.
13 // 2. Redistributions in binary form must reproduce the above copyright
14 // notice, this list of conditions and the following disclaimer in the
15 // documentation and/or other materials provided with the distribution.
17 // 3. The copyright holder's name must not be used to endorse or promote
18 // any products derived from this software without his specific prior
19 // written permission.
21 // This software is provided 'as is' with no express or implied warranties
22 // of correctness or fitness for purpose.
24 // Modified by Jari Ruusu, December 24 2001
25 // - Converted syntax to GNU CPP/assembler syntax
26 // - C programming interface converted back to "old" API
27 // - Minor portability cleanups and speed optimizations
29 // An AES (Rijndael) implementation for the Pentium. This version only
30 // implements the standard AES block length (128 bits, 16 bytes). This code
31 // does not preserve the eax, ecx or edx registers or the artihmetic status
32 // flags. However, the ebx, esi, edi, and ebp registers are preserved across
35 // void aes_set_key(aes_context *cx, const unsigned char key[], const int key_len, const int f)
36 // void aes_encrypt(const aes_context *cx, const unsigned char in_blk[], unsigned char out_blk[])
37 // void aes_decrypt(const aes_context *cx, const unsigned char in_blk[], unsigned char out_blk[])
39 #if defined(USE_UNDERLINE)
40 # define aes_set_key _aes_set_key
41 # define aes_encrypt _aes_encrypt
42 # define aes_decrypt _aes_decrypt
44 #if !defined(ALIGN32BYTES)
45 # define ALIGN32BYTES 32
53 #define tlen 1024 // length of each of 4 'xor' arrays (256 32-bit words)
55 // offsets to parameters with one register pushed onto stack
57 #define ctx 8 // AES context structure
58 #define in_blk 12 // input byte array address parameter
59 #define out_blk 16 // output byte array address parameter
61 // offsets in context structure
63 #define nkey 0 // key length, size 4
64 #define nrnd 4 // number of rounds, size 4
65 #define ekey 8 // encryption key schedule base address, size 256
66 #define dkey 264 // decryption key schedule base address, size 256
68 // This macro performs a forward encryption cycle. It is entered with
69 // the first previous round column values in %eax, %ebx, %esi and %edi and
70 // exits with the final values in the same registers.
72 #define fwd_rnd(p1,p2) \
78 mov p2+12(%ebp),%edi ;\
79 xor p1(,%edx,4),%eax ;\
82 mov p2+4(%ebp),%ebx ;\
83 xor p1+tlen(,%edx,4),%edi ;\
86 xor p1+3*tlen(,%ecx,4),%ebx ;\
88 mov p1+2*tlen(,%edx,4),%esi ;\
90 xor p1(,%edx,4),%esi ;\
93 xor p1+tlen(,%edx,4),%ebx ;\
96 xor p1+2*tlen(,%edx,4),%eax ;\
98 xor p1+3*tlen(,%ecx,4),%edi ;\
100 xor p2+8(%ebp),%esi ;\
101 xor p1(,%ecx,4),%ebx ;\
104 xor p1+tlen(,%ecx,4),%eax ;\
107 xor p1+2*tlen(,%ecx,4),%edi ;\
109 xor p1+3*tlen(,%edx,4),%esi ;\
111 xor p1(,%edx,4),%edi ;\
114 xor p1+tlen(,%edx,4),%esi ;\
117 xor p1+2*tlen(,%edx,4),%ebx ;\
118 xor p1+3*tlen(,%ecx,4),%eax
120 // This macro performs an inverse encryption cycle. It is entered with
121 // the first previous round column values in %eax, %ebx, %esi and %edi and
122 // exits with the final values in the same registers.
124 #define inv_rnd(p1,p2) \
130 mov p2+4(%ebp),%ebx ;\
131 xor p1(,%edx,4),%eax ;\
134 mov p2+12(%ebp),%edi ;\
135 xor p1+tlen(,%edx,4),%ebx ;\
138 xor p1+3*tlen(,%ecx,4),%edi ;\
140 mov p1+2*tlen(,%edx,4),%esi ;\
142 xor p1(,%edx,4),%esi ;\
145 xor p1+tlen(,%edx,4),%edi ;\
148 xor p1+2*tlen(,%edx,4),%eax ;\
150 xor p1+3*tlen(,%ecx,4),%ebx ;\
152 xor p2+8(%ebp),%esi ;\
153 xor p1(,%ecx,4),%ebx ;\
156 xor p1+tlen(,%ecx,4),%esi ;\
159 xor p1+2*tlen(,%ecx,4),%edi ;\
161 xor p1+3*tlen(,%edx,4),%eax ;\
163 xor p1(,%edx,4),%edi ;\
166 xor p1+tlen(,%edx,4),%eax ;\
169 xor p1+2*tlen(,%edx,4),%ebx ;\
170 xor p1+3*tlen(,%ecx,4),%esi
172 // AES (Rijndael) Encryption Subroutine
178 mov ctx(%esp),%ebp // pointer to context
179 mov in_blk(%esp),%ecx
183 mov nrnd(%ebp),%edx // number of rounds
184 lea ekey+16(%ebp),%ebp // key pointer
186 // input four columns and xor in first round key
197 sub $8,%esp // space for register saves on stack
206 fwd_rnd(aes_ft_tab,-64) // 14 rounds for 256-bit key
207 fwd_rnd(aes_ft_tab,-48)
208 aes_13: fwd_rnd(aes_ft_tab,-32) // 12 rounds for 192-bit key
209 fwd_rnd(aes_ft_tab,-16)
210 aes_15: fwd_rnd(aes_ft_tab,0) // 10 rounds for 128-bit key
211 fwd_rnd(aes_ft_tab,16)
212 fwd_rnd(aes_ft_tab,32)
213 fwd_rnd(aes_ft_tab,48)
214 fwd_rnd(aes_ft_tab,64)
215 fwd_rnd(aes_ft_tab,80)
216 fwd_rnd(aes_ft_tab,96)
217 fwd_rnd(aes_ft_tab,112)
218 fwd_rnd(aes_ft_tab,128)
219 fwd_rnd(aes_fl_tab,144) // last round uses a different table
221 // move final values to the output array.
223 mov out_blk+20(%esp),%ebp
236 // AES (Rijndael) Decryption Subroutine
241 mov ctx(%esp),%ebp // pointer to context
242 mov in_blk(%esp),%ecx
246 mov nrnd(%ebp),%edx // number of rounds
247 lea dkey+16(%ebp),%ebp // key pointer
249 // input four columns and xor in first round key
260 sub $8,%esp // space for register saves on stack
269 inv_rnd(aes_it_tab,-64) // 14 rounds for 256-bit key
270 inv_rnd(aes_it_tab,-48)
271 aes_23: inv_rnd(aes_it_tab,-32) // 12 rounds for 192-bit key
272 inv_rnd(aes_it_tab,-16)
273 aes_25: inv_rnd(aes_it_tab,0) // 10 rounds for 128-bit key
274 inv_rnd(aes_it_tab,16)
275 inv_rnd(aes_it_tab,32)
276 inv_rnd(aes_it_tab,48)
277 inv_rnd(aes_it_tab,64)
278 inv_rnd(aes_it_tab,80)
279 inv_rnd(aes_it_tab,96)
280 inv_rnd(aes_it_tab,112)
281 inv_rnd(aes_it_tab,128)
282 inv_rnd(aes_il_tab,144) // last round uses a different table
284 // move final values to the output array.
286 mov out_blk+20(%esp),%ebp
298 // AES (Rijndael) Key Schedule Subroutine
300 // input/output parameters
302 #define aes_cx 12 // AES context
303 #define in_key 16 // key input array address
304 #define key_ln 20 // key length, bytes (16,24,32) or bits (128,192,256)
305 #define ed_flg 24 // 0=create both encr/decr keys, 1=create encr key only
307 // offsets for locals
313 // This macro performs a column mixing operation on an input 32-bit
314 // word to give a 32-bit result. It uses each of the 4 bytes in the
315 // the input column to index 4 different tables of 256 32-bit words
316 // that are xored together to form the output value.
318 #define mix_col(p1) \
320 mov p1(,%ecx,4),%eax ;\
323 xor p1+tlen(,%ecx,4),%eax ;\
325 xor p1+2*tlen(,%ecx,4),%eax ;\
327 xor p1+3*tlen(,%ecx,4),%eax
329 // Key Schedule Macros
333 mix_col(aes_fl_tab) ;\
335 xor 4*p1+aes_rcon_tab,%eax ;\
338 mov %esi,16*p1(%edi) ;\
339 mov %ebp,16*p1+4(%edi) ;\
342 mov %edx,16*p1+8(%edi) ;\
343 mov %ebx,16*p1+12(%edi)
347 mix_col(aes_fl_tab) ;\
349 xor 4*p1+aes_rcon_tab,%eax ;\
350 xor 24*p1-24(%edi),%eax ;\
351 mov %eax,24*p1(%edi) ;\
352 xor 24*p1-20(%edi),%eax ;\
353 mov %eax,24*p1+4(%edi) ;\
356 mov %esi,24*p1+8(%edi) ;\
357 mov %ebp,24*p1+12(%edi) ;\
360 mov %edx,24*p1+16(%edi) ;\
361 mov %ebx,24*p1+20(%edi)
365 mix_col(aes_fl_tab) ;\
367 xor 4*p1+aes_rcon_tab,%eax ;\
368 xor 32*p1-32(%edi),%eax ;\
369 mov %eax,32*p1(%edi) ;\
370 xor 32*p1-28(%edi),%eax ;\
371 mov %eax,32*p1+4(%edi) ;\
372 xor 32*p1-24(%edi),%eax ;\
373 mov %eax,32*p1+8(%edi) ;\
374 xor 32*p1-20(%edi),%eax ;\
375 mov %eax,32*p1+12(%edi) ;\
378 mix_col(aes_fl_tab) ;\
382 mov %esi,32*p1+16(%edi) ;\
383 mov %ebp,32*p1+20(%edi) ;\
386 mov %edx,32*p1+24(%edi) ;\
387 mov %ebx,32*p1+28(%edi)
399 mov aes_cx(%ebp),%edx // edx -> AES context
401 mov key_ln(%ebp),%ecx // key length
405 aes_30: cmpl $32,%ecx
413 lea 6(%ecx),%eax // 10/12/14 for 4/6/8 32-bit key length
416 mov in_key(%ebp),%esi // key input array
417 lea ekey(%edx),%edi // key position in AES context
420 mov %ecx,%eax // save key length in eax
421 rep ; movsl // words in the key schedule
422 mov -4(%esi),%ebx // put some values in registers
423 mov -8(%esi),%edx // to allow faster code
427 cmpl $4,%eax // jump on key size
460 mov aes_cx(%ebp),%edx // edx -> AES context
464 // compile decryption key schedule from encryption schedule - reverse
465 // order and do mix_column operation on round keys except first and last
467 mov nrnd(%edx),%eax // kt = cx->d_key + nc * cx->Nrnd
469 lea dkey(%edx,%eax,4),%edi
470 lea ekey(%edx),%esi // kf = cx->e_key
472 movsl // copy first round key (unmodified)
478 aes_38: // do mix column on each column of
479 lodsl // each round key
502 movsl // copy last round key (unmodified)
515 // finite field multiplies by {02}, {04} and {08}
517 #define f2(x) ((x<<1)^(((x>>7)&1)*0x11b))
518 #define f4(x) ((x<<2)^(((x>>6)&1)*0x11b)^(((x>>6)&2)*0x11b))
519 #define f8(x) ((x<<3)^(((x>>5)&1)*0x11b)^(((x>>5)&2)*0x11b)^(((x>>5)&4)*0x11b))
521 // finite field multiplies required in table generation
523 #define f3(x) (f2(x) ^ x)
524 #define f9(x) (f8(x) ^ x)
525 #define fb(x) (f8(x) ^ f2(x) ^ x)
526 #define fd(x) (f8(x) ^ f4(x) ^ x)
527 #define fe(x) (f8(x) ^ f4(x) ^ f2(x))
529 // These defines generate the forward table entries
531 #define u0(x) ((f3(x) << 24) | (x << 16) | (x << 8) | f2(x))
532 #define u1(x) ((x << 24) | (x << 16) | (f2(x) << 8) | f3(x))
533 #define u2(x) ((x << 24) | (f2(x) << 16) | (f3(x) << 8) | x)
534 #define u3(x) ((f2(x) << 24) | (f3(x) << 16) | (x << 8) | x)
536 // These defines generate the inverse table entries
538 #define v0(x) ((fb(x) << 24) | (fd(x) << 16) | (f9(x) << 8) | fe(x))
539 #define v1(x) ((fd(x) << 24) | (f9(x) << 16) | (fe(x) << 8) | fb(x))
540 #define v2(x) ((f9(x) << 24) | (fe(x) << 16) | (fb(x) << 8) | fd(x))
541 #define v3(x) ((fe(x) << 24) | (fb(x) << 16) | (fd(x) << 8) | f9(x))
543 // These defines generate entries for the last round tables
546 #define w1(x) (x << 8)
547 #define w2(x) (x << 16)
548 #define w3(x) (x << 24)
550 // macro to generate inverse mix column tables (needed for the key schedule)
552 #define im_data0(p1) \
553 .long p1(0x00),p1(0x01),p1(0x02),p1(0x03),p1(0x04),p1(0x05),p1(0x06),p1(0x07) ;\
554 .long p1(0x08),p1(0x09),p1(0x0a),p1(0x0b),p1(0x0c),p1(0x0d),p1(0x0e),p1(0x0f) ;\
555 .long p1(0x10),p1(0x11),p1(0x12),p1(0x13),p1(0x14),p1(0x15),p1(0x16),p1(0x17) ;\
556 .long p1(0x18),p1(0x19),p1(0x1a),p1(0x1b),p1(0x1c),p1(0x1d),p1(0x1e),p1(0x1f)
557 #define im_data1(p1) \
558 .long p1(0x20),p1(0x21),p1(0x22),p1(0x23),p1(0x24),p1(0x25),p1(0x26),p1(0x27) ;\
559 .long p1(0x28),p1(0x29),p1(0x2a),p1(0x2b),p1(0x2c),p1(0x2d),p1(0x2e),p1(0x2f) ;\
560 .long p1(0x30),p1(0x31),p1(0x32),p1(0x33),p1(0x34),p1(0x35),p1(0x36),p1(0x37) ;\
561 .long p1(0x38),p1(0x39),p1(0x3a),p1(0x3b),p1(0x3c),p1(0x3d),p1(0x3e),p1(0x3f)
562 #define im_data2(p1) \
563 .long p1(0x40),p1(0x41),p1(0x42),p1(0x43),p1(0x44),p1(0x45),p1(0x46),p1(0x47) ;\
564 .long p1(0x48),p1(0x49),p1(0x4a),p1(0x4b),p1(0x4c),p1(0x4d),p1(0x4e),p1(0x4f) ;\
565 .long p1(0x50),p1(0x51),p1(0x52),p1(0x53),p1(0x54),p1(0x55),p1(0x56),p1(0x57) ;\
566 .long p1(0x58),p1(0x59),p1(0x5a),p1(0x5b),p1(0x5c),p1(0x5d),p1(0x5e),p1(0x5f)
567 #define im_data3(p1) \
568 .long p1(0x60),p1(0x61),p1(0x62),p1(0x63),p1(0x64),p1(0x65),p1(0x66),p1(0x67) ;\
569 .long p1(0x68),p1(0x69),p1(0x6a),p1(0x6b),p1(0x6c),p1(0x6d),p1(0x6e),p1(0x6f) ;\
570 .long p1(0x70),p1(0x71),p1(0x72),p1(0x73),p1(0x74),p1(0x75),p1(0x76),p1(0x77) ;\
571 .long p1(0x78),p1(0x79),p1(0x7a),p1(0x7b),p1(0x7c),p1(0x7d),p1(0x7e),p1(0x7f)
572 #define im_data4(p1) \
573 .long p1(0x80),p1(0x81),p1(0x82),p1(0x83),p1(0x84),p1(0x85),p1(0x86),p1(0x87) ;\
574 .long p1(0x88),p1(0x89),p1(0x8a),p1(0x8b),p1(0x8c),p1(0x8d),p1(0x8e),p1(0x8f) ;\
575 .long p1(0x90),p1(0x91),p1(0x92),p1(0x93),p1(0x94),p1(0x95),p1(0x96),p1(0x97) ;\
576 .long p1(0x98),p1(0x99),p1(0x9a),p1(0x9b),p1(0x9c),p1(0x9d),p1(0x9e),p1(0x9f)
577 #define im_data5(p1) \
578 .long p1(0xa0),p1(0xa1),p1(0xa2),p1(0xa3),p1(0xa4),p1(0xa5),p1(0xa6),p1(0xa7) ;\
579 .long p1(0xa8),p1(0xa9),p1(0xaa),p1(0xab),p1(0xac),p1(0xad),p1(0xae),p1(0xaf) ;\
580 .long p1(0xb0),p1(0xb1),p1(0xb2),p1(0xb3),p1(0xb4),p1(0xb5),p1(0xb6),p1(0xb7) ;\
581 .long p1(0xb8),p1(0xb9),p1(0xba),p1(0xbb),p1(0xbc),p1(0xbd),p1(0xbe),p1(0xbf)
582 #define im_data6(p1) \
583 .long p1(0xc0),p1(0xc1),p1(0xc2),p1(0xc3),p1(0xc4),p1(0xc5),p1(0xc6),p1(0xc7) ;\
584 .long p1(0xc8),p1(0xc9),p1(0xca),p1(0xcb),p1(0xcc),p1(0xcd),p1(0xce),p1(0xcf) ;\
585 .long p1(0xd0),p1(0xd1),p1(0xd2),p1(0xd3),p1(0xd4),p1(0xd5),p1(0xd6),p1(0xd7) ;\
586 .long p1(0xd8),p1(0xd9),p1(0xda),p1(0xdb),p1(0xdc),p1(0xdd),p1(0xde),p1(0xdf)
587 #define im_data7(p1) \
588 .long p1(0xe0),p1(0xe1),p1(0xe2),p1(0xe3),p1(0xe4),p1(0xe5),p1(0xe6),p1(0xe7) ;\
589 .long p1(0xe8),p1(0xe9),p1(0xea),p1(0xeb),p1(0xec),p1(0xed),p1(0xee),p1(0xef) ;\
590 .long p1(0xf0),p1(0xf1),p1(0xf2),p1(0xf3),p1(0xf4),p1(0xf5),p1(0xf6),p1(0xf7) ;\
591 .long p1(0xf8),p1(0xf9),p1(0xfa),p1(0xfb),p1(0xfc),p1(0xfd),p1(0xfe),p1(0xff)
593 // S-box data - 256 entries
595 #define sb_data0(p1) \
596 .long p1(0x63),p1(0x7c),p1(0x77),p1(0x7b),p1(0xf2),p1(0x6b),p1(0x6f),p1(0xc5) ;\
597 .long p1(0x30),p1(0x01),p1(0x67),p1(0x2b),p1(0xfe),p1(0xd7),p1(0xab),p1(0x76) ;\
598 .long p1(0xca),p1(0x82),p1(0xc9),p1(0x7d),p1(0xfa),p1(0x59),p1(0x47),p1(0xf0) ;\
599 .long p1(0xad),p1(0xd4),p1(0xa2),p1(0xaf),p1(0x9c),p1(0xa4),p1(0x72),p1(0xc0)
600 #define sb_data1(p1) \
601 .long p1(0xb7),p1(0xfd),p1(0x93),p1(0x26),p1(0x36),p1(0x3f),p1(0xf7),p1(0xcc) ;\
602 .long p1(0x34),p1(0xa5),p1(0xe5),p1(0xf1),p1(0x71),p1(0xd8),p1(0x31),p1(0x15) ;\
603 .long p1(0x04),p1(0xc7),p1(0x23),p1(0xc3),p1(0x18),p1(0x96),p1(0x05),p1(0x9a) ;\
604 .long p1(0x07),p1(0x12),p1(0x80),p1(0xe2),p1(0xeb),p1(0x27),p1(0xb2),p1(0x75)
605 #define sb_data2(p1) \
606 .long p1(0x09),p1(0x83),p1(0x2c),p1(0x1a),p1(0x1b),p1(0x6e),p1(0x5a),p1(0xa0) ;\
607 .long p1(0x52),p1(0x3b),p1(0xd6),p1(0xb3),p1(0x29),p1(0xe3),p1(0x2f),p1(0x84) ;\
608 .long p1(0x53),p1(0xd1),p1(0x00),p1(0xed),p1(0x20),p1(0xfc),p1(0xb1),p1(0x5b) ;\
609 .long p1(0x6a),p1(0xcb),p1(0xbe),p1(0x39),p1(0x4a),p1(0x4c),p1(0x58),p1(0xcf)
610 #define sb_data3(p1) \
611 .long p1(0xd0),p1(0xef),p1(0xaa),p1(0xfb),p1(0x43),p1(0x4d),p1(0x33),p1(0x85) ;\
612 .long p1(0x45),p1(0xf9),p1(0x02),p1(0x7f),p1(0x50),p1(0x3c),p1(0x9f),p1(0xa8) ;\
613 .long p1(0x51),p1(0xa3),p1(0x40),p1(0x8f),p1(0x92),p1(0x9d),p1(0x38),p1(0xf5) ;\
614 .long p1(0xbc),p1(0xb6),p1(0xda),p1(0x21),p1(0x10),p1(0xff),p1(0xf3),p1(0xd2)
615 #define sb_data4(p1) \
616 .long p1(0xcd),p1(0x0c),p1(0x13),p1(0xec),p1(0x5f),p1(0x97),p1(0x44),p1(0x17) ;\
617 .long p1(0xc4),p1(0xa7),p1(0x7e),p1(0x3d),p1(0x64),p1(0x5d),p1(0x19),p1(0x73) ;\
618 .long p1(0x60),p1(0x81),p1(0x4f),p1(0xdc),p1(0x22),p1(0x2a),p1(0x90),p1(0x88) ;\
619 .long p1(0x46),p1(0xee),p1(0xb8),p1(0x14),p1(0xde),p1(0x5e),p1(0x0b),p1(0xdb)
620 #define sb_data5(p1) \
621 .long p1(0xe0),p1(0x32),p1(0x3a),p1(0x0a),p1(0x49),p1(0x06),p1(0x24),p1(0x5c) ;\
622 .long p1(0xc2),p1(0xd3),p1(0xac),p1(0x62),p1(0x91),p1(0x95),p1(0xe4),p1(0x79) ;\
623 .long p1(0xe7),p1(0xc8),p1(0x37),p1(0x6d),p1(0x8d),p1(0xd5),p1(0x4e),p1(0xa9) ;\
624 .long p1(0x6c),p1(0x56),p1(0xf4),p1(0xea),p1(0x65),p1(0x7a),p1(0xae),p1(0x08)
625 #define sb_data6(p1) \
626 .long p1(0xba),p1(0x78),p1(0x25),p1(0x2e),p1(0x1c),p1(0xa6),p1(0xb4),p1(0xc6) ;\
627 .long p1(0xe8),p1(0xdd),p1(0x74),p1(0x1f),p1(0x4b),p1(0xbd),p1(0x8b),p1(0x8a) ;\
628 .long p1(0x70),p1(0x3e),p1(0xb5),p1(0x66),p1(0x48),p1(0x03),p1(0xf6),p1(0x0e) ;\
629 .long p1(0x61),p1(0x35),p1(0x57),p1(0xb9),p1(0x86),p1(0xc1),p1(0x1d),p1(0x9e)
630 #define sb_data7(p1) \
631 .long p1(0xe1),p1(0xf8),p1(0x98),p1(0x11),p1(0x69),p1(0xd9),p1(0x8e),p1(0x94) ;\
632 .long p1(0x9b),p1(0x1e),p1(0x87),p1(0xe9),p1(0xce),p1(0x55),p1(0x28),p1(0xdf) ;\
633 .long p1(0x8c),p1(0xa1),p1(0x89),p1(0x0d),p1(0xbf),p1(0xe6),p1(0x42),p1(0x68) ;\
634 .long p1(0x41),p1(0x99),p1(0x2d),p1(0x0f),p1(0xb0),p1(0x54),p1(0xbb),p1(0x16)
636 // Inverse S-box data - 256 entries
638 #define ib_data0(p1) \
639 .long p1(0x52),p1(0x09),p1(0x6a),p1(0xd5),p1(0x30),p1(0x36),p1(0xa5),p1(0x38) ;\
640 .long p1(0xbf),p1(0x40),p1(0xa3),p1(0x9e),p1(0x81),p1(0xf3),p1(0xd7),p1(0xfb) ;\
641 .long p1(0x7c),p1(0xe3),p1(0x39),p1(0x82),p1(0x9b),p1(0x2f),p1(0xff),p1(0x87) ;\
642 .long p1(0x34),p1(0x8e),p1(0x43),p1(0x44),p1(0xc4),p1(0xde),p1(0xe9),p1(0xcb)
643 #define ib_data1(p1) \
644 .long p1(0x54),p1(0x7b),p1(0x94),p1(0x32),p1(0xa6),p1(0xc2),p1(0x23),p1(0x3d) ;\
645 .long p1(0xee),p1(0x4c),p1(0x95),p1(0x0b),p1(0x42),p1(0xfa),p1(0xc3),p1(0x4e) ;\
646 .long p1(0x08),p1(0x2e),p1(0xa1),p1(0x66),p1(0x28),p1(0xd9),p1(0x24),p1(0xb2) ;\
647 .long p1(0x76),p1(0x5b),p1(0xa2),p1(0x49),p1(0x6d),p1(0x8b),p1(0xd1),p1(0x25)
648 #define ib_data2(p1) \
649 .long p1(0x72),p1(0xf8),p1(0xf6),p1(0x64),p1(0x86),p1(0x68),p1(0x98),p1(0x16) ;\
650 .long p1(0xd4),p1(0xa4),p1(0x5c),p1(0xcc),p1(0x5d),p1(0x65),p1(0xb6),p1(0x92) ;\
651 .long p1(0x6c),p1(0x70),p1(0x48),p1(0x50),p1(0xfd),p1(0xed),p1(0xb9),p1(0xda) ;\
652 .long p1(0x5e),p1(0x15),p1(0x46),p1(0x57),p1(0xa7),p1(0x8d),p1(0x9d),p1(0x84)
653 #define ib_data3(p1) \
654 .long p1(0x90),p1(0xd8),p1(0xab),p1(0x00),p1(0x8c),p1(0xbc),p1(0xd3),p1(0x0a) ;\
655 .long p1(0xf7),p1(0xe4),p1(0x58),p1(0x05),p1(0xb8),p1(0xb3),p1(0x45),p1(0x06) ;\
656 .long p1(0xd0),p1(0x2c),p1(0x1e),p1(0x8f),p1(0xca),p1(0x3f),p1(0x0f),p1(0x02) ;\
657 .long p1(0xc1),p1(0xaf),p1(0xbd),p1(0x03),p1(0x01),p1(0x13),p1(0x8a),p1(0x6b)
658 #define ib_data4(p1) \
659 .long p1(0x3a),p1(0x91),p1(0x11),p1(0x41),p1(0x4f),p1(0x67),p1(0xdc),p1(0xea) ;\
660 .long p1(0x97),p1(0xf2),p1(0xcf),p1(0xce),p1(0xf0),p1(0xb4),p1(0xe6),p1(0x73) ;\
661 .long p1(0x96),p1(0xac),p1(0x74),p1(0x22),p1(0xe7),p1(0xad),p1(0x35),p1(0x85) ;\
662 .long p1(0xe2),p1(0xf9),p1(0x37),p1(0xe8),p1(0x1c),p1(0x75),p1(0xdf),p1(0x6e)
663 #define ib_data5(p1) \
664 .long p1(0x47),p1(0xf1),p1(0x1a),p1(0x71),p1(0x1d),p1(0x29),p1(0xc5),p1(0x89) ;\
665 .long p1(0x6f),p1(0xb7),p1(0x62),p1(0x0e),p1(0xaa),p1(0x18),p1(0xbe),p1(0x1b) ;\
666 .long p1(0xfc),p1(0x56),p1(0x3e),p1(0x4b),p1(0xc6),p1(0xd2),p1(0x79),p1(0x20) ;\
667 .long p1(0x9a),p1(0xdb),p1(0xc0),p1(0xfe),p1(0x78),p1(0xcd),p1(0x5a),p1(0xf4)
668 #define ib_data6(p1) \
669 .long p1(0x1f),p1(0xdd),p1(0xa8),p1(0x33),p1(0x88),p1(0x07),p1(0xc7),p1(0x31) ;\
670 .long p1(0xb1),p1(0x12),p1(0x10),p1(0x59),p1(0x27),p1(0x80),p1(0xec),p1(0x5f) ;\
671 .long p1(0x60),p1(0x51),p1(0x7f),p1(0xa9),p1(0x19),p1(0xb5),p1(0x4a),p1(0x0d) ;\
672 .long p1(0x2d),p1(0xe5),p1(0x7a),p1(0x9f),p1(0x93),p1(0xc9),p1(0x9c),p1(0xef)
673 #define ib_data7(p1) \
674 .long p1(0xa0),p1(0xe0),p1(0x3b),p1(0x4d),p1(0xae),p1(0x2a),p1(0xf5),p1(0xb0) ;\
675 .long p1(0xc8),p1(0xeb),p1(0xbb),p1(0x3c),p1(0x83),p1(0x53),p1(0x99),p1(0x61) ;\
676 .long p1(0x17),p1(0x2b),p1(0x04),p1(0x7e),p1(0xba),p1(0x77),p1(0xd6),p1(0x26) ;\
677 .long p1(0xe1),p1(0x69),p1(0x14),p1(0x63),p1(0x55),p1(0x21),p1(0x0c),p1(0x7d)
679 // The rcon_table (needed for the key schedule)
681 // Here is original Dr Brian Gladman's source code:
689 // Here is precomputed output (it's more portable this way):
693 .long 0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80
694 .long 0x1b,0x36,0x6c,0xd8,0xab,0x4d,0x9a,0x2f
695 .long 0x5e,0xbc,0x63,0xc6,0x97,0x35,0x6a,0xd4
696 .long 0xb3,0x7d,0xfa,0xef,0xc5
698 // The forward xor tables
776 // The inverse xor tables
854 // The inverse mix column tables