NVbit : Accessing Bitlocker volumes from linux.
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  1. /*
  2. * FIPS-197 compliant AES implementation
  3. *
  4. * Copyright (C) 2006-2007 Christophe Devine
  5. *
  6. * This library is free software; you can redistribute it and/or
  7. * modify it under the terms of the GNU Lesser General Public
  8. * License, version 2.1 as published by the Free Software Foundation.
  9. *
  10. * This library is distributed in the hope that it will be useful,
  11. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  13. * Lesser General Public License for more details.
  14. *
  15. * You should have received a copy of the GNU Lesser General Public
  16. * License along with this library; if not, write to the Free Software
  17. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  18. * MA 02110-1301 USA
  19. */
  20. /*
  21. * The AES block cipher was designed by Vincent Rijmen and Joan Daemen.
  22. *
  23. * http://csrc.nist.gov/encryption/aes/rijndael/Rijndael.pdf
  24. * http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf
  25. */
  26. #include "aes_config.h"
  27. #if defined(XYSSL_AES_C)
  28. #include "aes.h"
  29. #include "padlock.h"
  30. #include <string.h>
  31. #define XYSSL_SELF_TEST
  32. /*XYSSL_SELF_TEST
  33. * 32-bit integer manipulation macros (little endian)
  34. */
  35. #ifndef GET_ULONG_LE
  36. #define GET_ULONG_LE(n,b,i) \
  37. { \
  38. (n) = ( (unsigned long) (b)[(i) ] ) \
  39. | ( (unsigned long) (b)[(i) + 1] << 8 ) \
  40. | ( (unsigned long) (b)[(i) + 2] << 16 ) \
  41. | ( (unsigned long) (b)[(i) + 3] << 24 ); \
  42. }
  43. #endif
  44. #ifndef PUT_ULONG_LE
  45. #define PUT_ULONG_LE(n,b,i) \
  46. { \
  47. (b)[(i) ] = (unsigned char) ( (n) ); \
  48. (b)[(i) + 1] = (unsigned char) ( (n) >> 8 ); \
  49. (b)[(i) + 2] = (unsigned char) ( (n) >> 16 ); \
  50. (b)[(i) + 3] = (unsigned char) ( (n) >> 24 ); \
  51. }
  52. #endif
  53. #if defined(XYSSL_AES_ROM_TABLES)
  54. /*
  55. * Forward S-box
  56. */
  57. static const unsigned char FSb[256] =
  58. {
  59. 0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5,
  60. 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76,
  61. 0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0,
  62. 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0,
  63. 0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC,
  64. 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15,
  65. 0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A,
  66. 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75,
  67. 0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0,
  68. 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84,
  69. 0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B,
  70. 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF,
  71. 0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85,
  72. 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8,
  73. 0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5,
  74. 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2,
  75. 0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17,
  76. 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73,
  77. 0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88,
  78. 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB,
  79. 0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C,
  80. 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79,
  81. 0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9,
  82. 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08,
  83. 0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6,
  84. 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A,
  85. 0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E,
  86. 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E,
  87. 0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94,
  88. 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF,
  89. 0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68,
  90. 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16
  91. };
  92. /*
  93. * Forward tables
  94. */
  95. #define FT \
  96. \
  97. V(A5,63,63,C6), V(84,7C,7C,F8), V(99,77,77,EE), V(8D,7B,7B,F6), \
  98. V(0D,F2,F2,FF), V(BD,6B,6B,D6), V(B1,6F,6F,DE), V(54,C5,C5,91), \
  99. V(50,30,30,60), V(03,01,01,02), V(A9,67,67,CE), V(7D,2B,2B,56), \
  100. V(19,FE,FE,E7), V(62,D7,D7,B5), V(E6,AB,AB,4D), V(9A,76,76,EC), \
  101. V(45,CA,CA,8F), V(9D,82,82,1F), V(40,C9,C9,89), V(87,7D,7D,FA), \
  102. V(15,FA,FA,EF), V(EB,59,59,B2), V(C9,47,47,8E), V(0B,F0,F0,FB), \
  103. V(EC,AD,AD,41), V(67,D4,D4,B3), V(FD,A2,A2,5F), V(EA,AF,AF,45), \
  104. V(BF,9C,9C,23), V(F7,A4,A4,53), V(96,72,72,E4), V(5B,C0,C0,9B), \
  105. V(C2,B7,B7,75), V(1C,FD,FD,E1), V(AE,93,93,3D), V(6A,26,26,4C), \
  106. V(5A,36,36,6C), V(41,3F,3F,7E), V(02,F7,F7,F5), V(4F,CC,CC,83), \
  107. V(5C,34,34,68), V(F4,A5,A5,51), V(34,E5,E5,D1), V(08,F1,F1,F9), \
  108. V(93,71,71,E2), V(73,D8,D8,AB), V(53,31,31,62), V(3F,15,15,2A), \
  109. V(0C,04,04,08), V(52,C7,C7,95), V(65,23,23,46), V(5E,C3,C3,9D), \
  110. V(28,18,18,30), V(A1,96,96,37), V(0F,05,05,0A), V(B5,9A,9A,2F), \
  111. V(09,07,07,0E), V(36,12,12,24), V(9B,80,80,1B), V(3D,E2,E2,DF), \
  112. V(26,EB,EB,CD), V(69,27,27,4E), V(CD,B2,B2,7F), V(9F,75,75,EA), \
  113. V(1B,09,09,12), V(9E,83,83,1D), V(74,2C,2C,58), V(2E,1A,1A,34), \
  114. V(2D,1B,1B,36), V(B2,6E,6E,DC), V(EE,5A,5A,B4), V(FB,A0,A0,5B), \
  115. V(F6,52,52,A4), V(4D,3B,3B,76), V(61,D6,D6,B7), V(CE,B3,B3,7D), \
  116. V(7B,29,29,52), V(3E,E3,E3,DD), V(71,2F,2F,5E), V(97,84,84,13), \
  117. V(F5,53,53,A6), V(68,D1,D1,B9), V(00,00,00,00), V(2C,ED,ED,C1), \
  118. V(60,20,20,40), V(1F,FC,FC,E3), V(C8,B1,B1,79), V(ED,5B,5B,B6), \
  119. V(BE,6A,6A,D4), V(46,CB,CB,8D), V(D9,BE,BE,67), V(4B,39,39,72), \
  120. V(DE,4A,4A,94), V(D4,4C,4C,98), V(E8,58,58,B0), V(4A,CF,CF,85), \
  121. V(6B,D0,D0,BB), V(2A,EF,EF,C5), V(E5,AA,AA,4F), V(16,FB,FB,ED), \
  122. V(C5,43,43,86), V(D7,4D,4D,9A), V(55,33,33,66), V(94,85,85,11), \
  123. V(CF,45,45,8A), V(10,F9,F9,E9), V(06,02,02,04), V(81,7F,7F,FE), \
  124. V(F0,50,50,A0), V(44,3C,3C,78), V(BA,9F,9F,25), V(E3,A8,A8,4B), \
  125. V(F3,51,51,A2), V(FE,A3,A3,5D), V(C0,40,40,80), V(8A,8F,8F,05), \
  126. V(AD,92,92,3F), V(BC,9D,9D,21), V(48,38,38,70), V(04,F5,F5,F1), \
  127. V(DF,BC,BC,63), V(C1,B6,B6,77), V(75,DA,DA,AF), V(63,21,21,42), \
  128. V(30,10,10,20), V(1A,FF,FF,E5), V(0E,F3,F3,FD), V(6D,D2,D2,BF), \
  129. V(4C,CD,CD,81), V(14,0C,0C,18), V(35,13,13,26), V(2F,EC,EC,C3), \
  130. V(E1,5F,5F,BE), V(A2,97,97,35), V(CC,44,44,88), V(39,17,17,2E), \
  131. V(57,C4,C4,93), V(F2,A7,A7,55), V(82,7E,7E,FC), V(47,3D,3D,7A), \
  132. V(AC,64,64,C8), V(E7,5D,5D,BA), V(2B,19,19,32), V(95,73,73,E6), \
  133. V(A0,60,60,C0), V(98,81,81,19), V(D1,4F,4F,9E), V(7F,DC,DC,A3), \
  134. V(66,22,22,44), V(7E,2A,2A,54), V(AB,90,90,3B), V(83,88,88,0B), \
  135. V(CA,46,46,8C), V(29,EE,EE,C7), V(D3,B8,B8,6B), V(3C,14,14,28), \
  136. V(79,DE,DE,A7), V(E2,5E,5E,BC), V(1D,0B,0B,16), V(76,DB,DB,AD), \
  137. V(3B,E0,E0,DB), V(56,32,32,64), V(4E,3A,3A,74), V(1E,0A,0A,14), \
  138. V(DB,49,49,92), V(0A,06,06,0C), V(6C,24,24,48), V(E4,5C,5C,B8), \
  139. V(5D,C2,C2,9F), V(6E,D3,D3,BD), V(EF,AC,AC,43), V(A6,62,62,C4), \
  140. V(A8,91,91,39), V(A4,95,95,31), V(37,E4,E4,D3), V(8B,79,79,F2), \
  141. V(32,E7,E7,D5), V(43,C8,C8,8B), V(59,37,37,6E), V(B7,6D,6D,DA), \
  142. V(8C,8D,8D,01), V(64,D5,D5,B1), V(D2,4E,4E,9C), V(E0,A9,A9,49), \
  143. V(B4,6C,6C,D8), V(FA,56,56,AC), V(07,F4,F4,F3), V(25,EA,EA,CF), \
  144. V(AF,65,65,CA), V(8E,7A,7A,F4), V(E9,AE,AE,47), V(18,08,08,10), \
  145. V(D5,BA,BA,6F), V(88,78,78,F0), V(6F,25,25,4A), V(72,2E,2E,5C), \
  146. V(24,1C,1C,38), V(F1,A6,A6,57), V(C7,B4,B4,73), V(51,C6,C6,97), \
  147. V(23,E8,E8,CB), V(7C,DD,DD,A1), V(9C,74,74,E8), V(21,1F,1F,3E), \
  148. V(DD,4B,4B,96), V(DC,BD,BD,61), V(86,8B,8B,0D), V(85,8A,8A,0F), \
  149. V(90,70,70,E0), V(42,3E,3E,7C), V(C4,B5,B5,71), V(AA,66,66,CC), \
  150. V(D8,48,48,90), V(05,03,03,06), V(01,F6,F6,F7), V(12,0E,0E,1C), \
  151. V(A3,61,61,C2), V(5F,35,35,6A), V(F9,57,57,AE), V(D0,B9,B9,69), \
  152. V(91,86,86,17), V(58,C1,C1,99), V(27,1D,1D,3A), V(B9,9E,9E,27), \
  153. V(38,E1,E1,D9), V(13,F8,F8,EB), V(B3,98,98,2B), V(33,11,11,22), \
  154. V(BB,69,69,D2), V(70,D9,D9,A9), V(89,8E,8E,07), V(A7,94,94,33), \
  155. V(B6,9B,9B,2D), V(22,1E,1E,3C), V(92,87,87,15), V(20,E9,E9,C9), \
  156. V(49,CE,CE,87), V(FF,55,55,AA), V(78,28,28,50), V(7A,DF,DF,A5), \
  157. V(8F,8C,8C,03), V(F8,A1,A1,59), V(80,89,89,09), V(17,0D,0D,1A), \
  158. V(DA,BF,BF,65), V(31,E6,E6,D7), V(C6,42,42,84), V(B8,68,68,D0), \
  159. V(C3,41,41,82), V(B0,99,99,29), V(77,2D,2D,5A), V(11,0F,0F,1E), \
  160. V(CB,B0,B0,7B), V(FC,54,54,A8), V(D6,BB,BB,6D), V(3A,16,16,2C)
  161. #define V(a,b,c,d) 0x##a##b##c##d
  162. static const unsigned long FT0[256] = { FT };
  163. #undef V
  164. #define V(a,b,c,d) 0x##b##c##d##a
  165. static const unsigned long FT1[256] = { FT };
  166. #undef V
  167. #define V(a,b,c,d) 0x##c##d##a##b
  168. static const unsigned long FT2[256] = { FT };
  169. #undef V
  170. #define V(a,b,c,d) 0x##d##a##b##c
  171. static const unsigned long FT3[256] = { FT };
  172. #undef V
  173. #undef FT
  174. /*
  175. * Reverse S-box
  176. */
  177. static const unsigned char RSb[256] =
  178. {
  179. 0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38,
  180. 0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB,
  181. 0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87,
  182. 0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB,
  183. 0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D,
  184. 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E,
  185. 0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2,
  186. 0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25,
  187. 0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16,
  188. 0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92,
  189. 0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA,
  190. 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84,
  191. 0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A,
  192. 0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06,
  193. 0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02,
  194. 0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B,
  195. 0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA,
  196. 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73,
  197. 0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85,
  198. 0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E,
  199. 0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89,
  200. 0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B,
  201. 0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20,
  202. 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4,
  203. 0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31,
  204. 0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F,
  205. 0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D,
  206. 0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF,
  207. 0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0,
  208. 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61,
  209. 0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26,
  210. 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D
  211. };
  212. /*
  213. * Reverse tables
  214. */
  215. #define RT \
  216. \
  217. V(50,A7,F4,51), V(53,65,41,7E), V(C3,A4,17,1A), V(96,5E,27,3A), \
  218. V(CB,6B,AB,3B), V(F1,45,9D,1F), V(AB,58,FA,AC), V(93,03,E3,4B), \
  219. V(55,FA,30,20), V(F6,6D,76,AD), V(91,76,CC,88), V(25,4C,02,F5), \
  220. V(FC,D7,E5,4F), V(D7,CB,2A,C5), V(80,44,35,26), V(8F,A3,62,B5), \
  221. V(49,5A,B1,DE), V(67,1B,BA,25), V(98,0E,EA,45), V(E1,C0,FE,5D), \
  222. V(02,75,2F,C3), V(12,F0,4C,81), V(A3,97,46,8D), V(C6,F9,D3,6B), \
  223. V(E7,5F,8F,03), V(95,9C,92,15), V(EB,7A,6D,BF), V(DA,59,52,95), \
  224. V(2D,83,BE,D4), V(D3,21,74,58), V(29,69,E0,49), V(44,C8,C9,8E), \
  225. V(6A,89,C2,75), V(78,79,8E,F4), V(6B,3E,58,99), V(DD,71,B9,27), \
  226. V(B6,4F,E1,BE), V(17,AD,88,F0), V(66,AC,20,C9), V(B4,3A,CE,7D), \
  227. V(18,4A,DF,63), V(82,31,1A,E5), V(60,33,51,97), V(45,7F,53,62), \
  228. V(E0,77,64,B1), V(84,AE,6B,BB), V(1C,A0,81,FE), V(94,2B,08,F9), \
  229. V(58,68,48,70), V(19,FD,45,8F), V(87,6C,DE,94), V(B7,F8,7B,52), \
  230. V(23,D3,73,AB), V(E2,02,4B,72), V(57,8F,1F,E3), V(2A,AB,55,66), \
  231. V(07,28,EB,B2), V(03,C2,B5,2F), V(9A,7B,C5,86), V(A5,08,37,D3), \
  232. V(F2,87,28,30), V(B2,A5,BF,23), V(BA,6A,03,02), V(5C,82,16,ED), \
  233. V(2B,1C,CF,8A), V(92,B4,79,A7), V(F0,F2,07,F3), V(A1,E2,69,4E), \
  234. V(CD,F4,DA,65), V(D5,BE,05,06), V(1F,62,34,D1), V(8A,FE,A6,C4), \
  235. V(9D,53,2E,34), V(A0,55,F3,A2), V(32,E1,8A,05), V(75,EB,F6,A4), \
  236. V(39,EC,83,0B), V(AA,EF,60,40), V(06,9F,71,5E), V(51,10,6E,BD), \
  237. V(F9,8A,21,3E), V(3D,06,DD,96), V(AE,05,3E,DD), V(46,BD,E6,4D), \
  238. V(B5,8D,54,91), V(05,5D,C4,71), V(6F,D4,06,04), V(FF,15,50,60), \
  239. V(24,FB,98,19), V(97,E9,BD,D6), V(CC,43,40,89), V(77,9E,D9,67), \
  240. V(BD,42,E8,B0), V(88,8B,89,07), V(38,5B,19,E7), V(DB,EE,C8,79), \
  241. V(47,0A,7C,A1), V(E9,0F,42,7C), V(C9,1E,84,F8), V(00,00,00,00), \
  242. V(83,86,80,09), V(48,ED,2B,32), V(AC,70,11,1E), V(4E,72,5A,6C), \
  243. V(FB,FF,0E,FD), V(56,38,85,0F), V(1E,D5,AE,3D), V(27,39,2D,36), \
  244. V(64,D9,0F,0A), V(21,A6,5C,68), V(D1,54,5B,9B), V(3A,2E,36,24), \
  245. V(B1,67,0A,0C), V(0F,E7,57,93), V(D2,96,EE,B4), V(9E,91,9B,1B), \
  246. V(4F,C5,C0,80), V(A2,20,DC,61), V(69,4B,77,5A), V(16,1A,12,1C), \
  247. V(0A,BA,93,E2), V(E5,2A,A0,C0), V(43,E0,22,3C), V(1D,17,1B,12), \
  248. V(0B,0D,09,0E), V(AD,C7,8B,F2), V(B9,A8,B6,2D), V(C8,A9,1E,14), \
  249. V(85,19,F1,57), V(4C,07,75,AF), V(BB,DD,99,EE), V(FD,60,7F,A3), \
  250. V(9F,26,01,F7), V(BC,F5,72,5C), V(C5,3B,66,44), V(34,7E,FB,5B), \
  251. V(76,29,43,8B), V(DC,C6,23,CB), V(68,FC,ED,B6), V(63,F1,E4,B8), \
  252. V(CA,DC,31,D7), V(10,85,63,42), V(40,22,97,13), V(20,11,C6,84), \
  253. V(7D,24,4A,85), V(F8,3D,BB,D2), V(11,32,F9,AE), V(6D,A1,29,C7), \
  254. V(4B,2F,9E,1D), V(F3,30,B2,DC), V(EC,52,86,0D), V(D0,E3,C1,77), \
  255. V(6C,16,B3,2B), V(99,B9,70,A9), V(FA,48,94,11), V(22,64,E9,47), \
  256. V(C4,8C,FC,A8), V(1A,3F,F0,A0), V(D8,2C,7D,56), V(EF,90,33,22), \
  257. V(C7,4E,49,87), V(C1,D1,38,D9), V(FE,A2,CA,8C), V(36,0B,D4,98), \
  258. V(CF,81,F5,A6), V(28,DE,7A,A5), V(26,8E,B7,DA), V(A4,BF,AD,3F), \
  259. V(E4,9D,3A,2C), V(0D,92,78,50), V(9B,CC,5F,6A), V(62,46,7E,54), \
  260. V(C2,13,8D,F6), V(E8,B8,D8,90), V(5E,F7,39,2E), V(F5,AF,C3,82), \
  261. V(BE,80,5D,9F), V(7C,93,D0,69), V(A9,2D,D5,6F), V(B3,12,25,CF), \
  262. V(3B,99,AC,C8), V(A7,7D,18,10), V(6E,63,9C,E8), V(7B,BB,3B,DB), \
  263. V(09,78,26,CD), V(F4,18,59,6E), V(01,B7,9A,EC), V(A8,9A,4F,83), \
  264. V(65,6E,95,E6), V(7E,E6,FF,AA), V(08,CF,BC,21), V(E6,E8,15,EF), \
  265. V(D9,9B,E7,BA), V(CE,36,6F,4A), V(D4,09,9F,EA), V(D6,7C,B0,29), \
  266. V(AF,B2,A4,31), V(31,23,3F,2A), V(30,94,A5,C6), V(C0,66,A2,35), \
  267. V(37,BC,4E,74), V(A6,CA,82,FC), V(B0,D0,90,E0), V(15,D8,A7,33), \
  268. V(4A,98,04,F1), V(F7,DA,EC,41), V(0E,50,CD,7F), V(2F,F6,91,17), \
  269. V(8D,D6,4D,76), V(4D,B0,EF,43), V(54,4D,AA,CC), V(DF,04,96,E4), \
  270. V(E3,B5,D1,9E), V(1B,88,6A,4C), V(B8,1F,2C,C1), V(7F,51,65,46), \
  271. V(04,EA,5E,9D), V(5D,35,8C,01), V(73,74,87,FA), V(2E,41,0B,FB), \
  272. V(5A,1D,67,B3), V(52,D2,DB,92), V(33,56,10,E9), V(13,47,D6,6D), \
  273. V(8C,61,D7,9A), V(7A,0C,A1,37), V(8E,14,F8,59), V(89,3C,13,EB), \
  274. V(EE,27,A9,CE), V(35,C9,61,B7), V(ED,E5,1C,E1), V(3C,B1,47,7A), \
  275. V(59,DF,D2,9C), V(3F,73,F2,55), V(79,CE,14,18), V(BF,37,C7,73), \
  276. V(EA,CD,F7,53), V(5B,AA,FD,5F), V(14,6F,3D,DF), V(86,DB,44,78), \
  277. V(81,F3,AF,CA), V(3E,C4,68,B9), V(2C,34,24,38), V(5F,40,A3,C2), \
  278. V(72,C3,1D,16), V(0C,25,E2,BC), V(8B,49,3C,28), V(41,95,0D,FF), \
  279. V(71,01,A8,39), V(DE,B3,0C,08), V(9C,E4,B4,D8), V(90,C1,56,64), \
  280. V(61,84,CB,7B), V(70,B6,32,D5), V(74,5C,6C,48), V(42,57,B8,D0)
  281. #define V(a,b,c,d) 0x##a##b##c##d
  282. static const unsigned long RT0[256] = { RT };
  283. #undef V
  284. #define V(a,b,c,d) 0x##b##c##d##a
  285. static const unsigned long RT1[256] = { RT };
  286. #undef V
  287. #define V(a,b,c,d) 0x##c##d##a##b
  288. static const unsigned long RT2[256] = { RT };
  289. #undef V
  290. #define V(a,b,c,d) 0x##d##a##b##c
  291. static const unsigned long RT3[256] = { RT };
  292. #undef V
  293. #undef RT
  294. /*
  295. * Round constants
  296. */
  297. static const unsigned long RCON[10] =
  298. {
  299. 0x00000001, 0x00000002, 0x00000004, 0x00000008,
  300. 0x00000010, 0x00000020, 0x00000040, 0x00000080,
  301. 0x0000001B, 0x00000036
  302. };
  303. #else
  304. /*
  305. * Forward S-box & tables
  306. */
  307. static unsigned char FSb[256];
  308. static unsigned long FT0[256];
  309. static unsigned long FT1[256];
  310. static unsigned long FT2[256];
  311. static unsigned long FT3[256];
  312. /*
  313. * Reverse S-box & tables
  314. */
  315. static unsigned char RSb[256];
  316. static unsigned long RT0[256];
  317. static unsigned long RT1[256];
  318. static unsigned long RT2[256];
  319. static unsigned long RT3[256];
  320. /*
  321. * Round constants
  322. */
  323. static unsigned long RCON[10];
  324. /*
  325. * Tables generation code
  326. */
  327. #define ROTL8(x) ( ( x << 8 ) & 0xFFFFFFFF ) | ( x >> 24 )
  328. #define XTIME(x) ( ( x << 1 ) ^ ( ( x & 0x80 ) ? 0x1B : 0x00 ) )
  329. #define MUL(x,y) ( ( x && y ) ? pow[(log[x]+log[y]) % 255] : 0 )
  330. static int aes_init_done = 0;
  331. static void aes_gen_tables( void )
  332. {
  333. int i, x, y, z;
  334. int pow[256];
  335. int log[256];
  336. /*
  337. * compute pow and log tables over GF(2^8)
  338. */
  339. for( i = 0, x = 1; i < 256; i++ )
  340. {
  341. pow[i] = x;
  342. log[x] = i;
  343. x = ( x ^ XTIME( x ) ) & 0xFF;
  344. }
  345. /*
  346. * calculate the round constants
  347. */
  348. for( i = 0, x = 1; i < 10; i++ )
  349. {
  350. RCON[i] = (unsigned long) x;
  351. x = XTIME( x ) & 0xFF;
  352. }
  353. /*
  354. * generate the forward and reverse S-boxes
  355. */
  356. FSb[0x00] = 0x63;
  357. RSb[0x63] = 0x00;
  358. for( i = 1; i < 256; i++ )
  359. {
  360. x = pow[255 - log[i]];
  361. y = x; y = ( (y << 1) | (y >> 7) ) & 0xFF;
  362. x ^= y; y = ( (y << 1) | (y >> 7) ) & 0xFF;
  363. x ^= y; y = ( (y << 1) | (y >> 7) ) & 0xFF;
  364. x ^= y; y = ( (y << 1) | (y >> 7) ) & 0xFF;
  365. x ^= y ^ 0x63;
  366. FSb[i] = (unsigned char) x;
  367. RSb[x] = (unsigned char) i;
  368. }
  369. /*
  370. * generate the forward and reverse tables
  371. */
  372. for( i = 0; i < 256; i++ )
  373. {
  374. x = FSb[i];
  375. y = XTIME( x ) & 0xFF;
  376. z = ( y ^ x ) & 0xFF;
  377. FT0[i] = ( (unsigned long) y ) ^
  378. ( (unsigned long) x << 8 ) ^
  379. ( (unsigned long) x << 16 ) ^
  380. ( (unsigned long) z << 24 );
  381. FT1[i] = ROTL8( FT0[i] );
  382. FT2[i] = ROTL8( FT1[i] );
  383. FT3[i] = ROTL8( FT2[i] );
  384. x = RSb[i];
  385. RT0[i] = ( (unsigned long) MUL( 0x0E, x ) ) ^
  386. ( (unsigned long) MUL( 0x09, x ) << 8 ) ^
  387. ( (unsigned long) MUL( 0x0D, x ) << 16 ) ^
  388. ( (unsigned long) MUL( 0x0B, x ) << 24 );
  389. RT1[i] = ROTL8( RT0[i] );
  390. RT2[i] = ROTL8( RT1[i] );
  391. RT3[i] = ROTL8( RT2[i] );
  392. }
  393. }
  394. #endif
  395. /*
  396. * AES key schedule (encryption)
  397. */
  398. void aes_setkey_enc( aes_context *ctx, unsigned char *key, int keysize )
  399. {
  400. int i;
  401. unsigned long *RK;
  402. #if !defined(XYSSL_AES_ROM_TABLES)
  403. if( aes_init_done == 0 )
  404. {
  405. aes_gen_tables();
  406. aes_init_done = 1;
  407. }
  408. #endif
  409. switch( keysize )
  410. {
  411. case 128: ctx->nr = 10; break;
  412. case 192: ctx->nr = 12; break;
  413. case 256: ctx->nr = 14; break;
  414. default : return;
  415. }
  416. #if defined(PADLOCK_ALIGN16)
  417. ctx->rk = RK = PADLOCK_ALIGN16( ctx->buf );
  418. #else
  419. ctx->rk = RK = ctx->buf;
  420. #endif
  421. for( i = 0; i < (keysize >> 5); i++ )
  422. {
  423. GET_ULONG_LE( RK[i], key, i << 2 );
  424. }
  425. switch( ctx->nr )
  426. {
  427. case 10:
  428. for( i = 0; i < 10; i++, RK += 4 )
  429. {
  430. RK[4] = RK[0] ^ RCON[i] ^
  431. ( FSb[ ( RK[3] >> 8 ) & 0xFF ] ) ^
  432. ( FSb[ ( RK[3] >> 16 ) & 0xFF ] << 8 ) ^
  433. ( FSb[ ( RK[3] >> 24 ) & 0xFF ] << 16 ) ^
  434. ( FSb[ ( RK[3] ) & 0xFF ] << 24 );
  435. RK[5] = RK[1] ^ RK[4];
  436. RK[6] = RK[2] ^ RK[5];
  437. RK[7] = RK[3] ^ RK[6];
  438. }
  439. break;
  440. case 12:
  441. for( i = 0; i < 8; i++, RK += 6 )
  442. {
  443. RK[6] = RK[0] ^ RCON[i] ^
  444. ( FSb[ ( RK[5] >> 8 ) & 0xFF ] ) ^
  445. ( FSb[ ( RK[5] >> 16 ) & 0xFF ] << 8 ) ^
  446. ( FSb[ ( RK[5] >> 24 ) & 0xFF ] << 16 ) ^
  447. ( FSb[ ( RK[5] ) & 0xFF ] << 24 );
  448. RK[7] = RK[1] ^ RK[6];
  449. RK[8] = RK[2] ^ RK[7];
  450. RK[9] = RK[3] ^ RK[8];
  451. RK[10] = RK[4] ^ RK[9];
  452. RK[11] = RK[5] ^ RK[10];
  453. }
  454. break;
  455. case 14:
  456. for( i = 0; i < 7; i++, RK += 8 )
  457. {
  458. RK[8] = RK[0] ^ RCON[i] ^
  459. ( FSb[ ( RK[7] >> 8 ) & 0xFF ] ) ^
  460. ( FSb[ ( RK[7] >> 16 ) & 0xFF ] << 8 ) ^
  461. ( FSb[ ( RK[7] >> 24 ) & 0xFF ] << 16 ) ^
  462. ( FSb[ ( RK[7] ) & 0xFF ] << 24 );
  463. RK[9] = RK[1] ^ RK[8];
  464. RK[10] = RK[2] ^ RK[9];
  465. RK[11] = RK[3] ^ RK[10];
  466. RK[12] = RK[4] ^
  467. ( FSb[ ( RK[11] ) & 0xFF ] ) ^
  468. ( FSb[ ( RK[11] >> 8 ) & 0xFF ] << 8 ) ^
  469. ( FSb[ ( RK[11] >> 16 ) & 0xFF ] << 16 ) ^
  470. ( FSb[ ( RK[11] >> 24 ) & 0xFF ] << 24 );
  471. RK[13] = RK[5] ^ RK[12];
  472. RK[14] = RK[6] ^ RK[13];
  473. RK[15] = RK[7] ^ RK[14];
  474. }
  475. break;
  476. default:
  477. break;
  478. }
  479. }
  480. /*
  481. * AES key schedule (decryption)
  482. */
  483. void aes_setkey_dec( aes_context *ctx, unsigned char *key, int keysize )
  484. {
  485. int i, j;
  486. aes_context cty;
  487. unsigned long *RK;
  488. unsigned long *SK;
  489. switch( keysize )
  490. {
  491. case 128: ctx->nr = 10; break;
  492. case 192: ctx->nr = 12; break;
  493. case 256: ctx->nr = 14; break;
  494. default : return;
  495. }
  496. #if defined(PADLOCK_ALIGN16)
  497. ctx->rk = RK = PADLOCK_ALIGN16( ctx->buf );
  498. #else
  499. ctx->rk = RK = ctx->buf;
  500. #endif
  501. aes_setkey_enc( &cty, key, keysize );
  502. SK = cty.rk + cty.nr * 4;
  503. *RK++ = *SK++;
  504. *RK++ = *SK++;
  505. *RK++ = *SK++;
  506. *RK++ = *SK++;
  507. for( i = ctx->nr, SK -= 8; i > 1; i--, SK -= 8 )
  508. {
  509. for( j = 0; j < 4; j++, SK++ )
  510. {
  511. *RK++ = RT0[ FSb[ ( *SK ) & 0xFF ] ] ^
  512. RT1[ FSb[ ( *SK >> 8 ) & 0xFF ] ] ^
  513. RT2[ FSb[ ( *SK >> 16 ) & 0xFF ] ] ^
  514. RT3[ FSb[ ( *SK >> 24 ) & 0xFF ] ];
  515. }
  516. }
  517. *RK++ = *SK++;
  518. *RK++ = *SK++;
  519. *RK++ = *SK++;
  520. *RK++ = *SK++;
  521. memset( &cty, 0, sizeof( aes_context ) );
  522. }
  523. #define AES_FROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \
  524. { \
  525. X0 = *RK++ ^ FT0[ ( Y0 ) & 0xFF ] ^ \
  526. FT1[ ( Y1 >> 8 ) & 0xFF ] ^ \
  527. FT2[ ( Y2 >> 16 ) & 0xFF ] ^ \
  528. FT3[ ( Y3 >> 24 ) & 0xFF ]; \
  529. \
  530. X1 = *RK++ ^ FT0[ ( Y1 ) & 0xFF ] ^ \
  531. FT1[ ( Y2 >> 8 ) & 0xFF ] ^ \
  532. FT2[ ( Y3 >> 16 ) & 0xFF ] ^ \
  533. FT3[ ( Y0 >> 24 ) & 0xFF ]; \
  534. \
  535. X2 = *RK++ ^ FT0[ ( Y2 ) & 0xFF ] ^ \
  536. FT1[ ( Y3 >> 8 ) & 0xFF ] ^ \
  537. FT2[ ( Y0 >> 16 ) & 0xFF ] ^ \
  538. FT3[ ( Y1 >> 24 ) & 0xFF ]; \
  539. \
  540. X3 = *RK++ ^ FT0[ ( Y3 ) & 0xFF ] ^ \
  541. FT1[ ( Y0 >> 8 ) & 0xFF ] ^ \
  542. FT2[ ( Y1 >> 16 ) & 0xFF ] ^ \
  543. FT3[ ( Y2 >> 24 ) & 0xFF ]; \
  544. }
  545. #define AES_RROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \
  546. { \
  547. X0 = *RK++ ^ RT0[ ( Y0 ) & 0xFF ] ^ \
  548. RT1[ ( Y3 >> 8 ) & 0xFF ] ^ \
  549. RT2[ ( Y2 >> 16 ) & 0xFF ] ^ \
  550. RT3[ ( Y1 >> 24 ) & 0xFF ]; \
  551. \
  552. X1 = *RK++ ^ RT0[ ( Y1 ) & 0xFF ] ^ \
  553. RT1[ ( Y0 >> 8 ) & 0xFF ] ^ \
  554. RT2[ ( Y3 >> 16 ) & 0xFF ] ^ \
  555. RT3[ ( Y2 >> 24 ) & 0xFF ]; \
  556. \
  557. X2 = *RK++ ^ RT0[ ( Y2 ) & 0xFF ] ^ \
  558. RT1[ ( Y1 >> 8 ) & 0xFF ] ^ \
  559. RT2[ ( Y0 >> 16 ) & 0xFF ] ^ \
  560. RT3[ ( Y3 >> 24 ) & 0xFF ]; \
  561. \
  562. X3 = *RK++ ^ RT0[ ( Y3 ) & 0xFF ] ^ \
  563. RT1[ ( Y2 >> 8 ) & 0xFF ] ^ \
  564. RT2[ ( Y1 >> 16 ) & 0xFF ] ^ \
  565. RT3[ ( Y0 >> 24 ) & 0xFF ]; \
  566. }
  567. /*
  568. * AES-ECB block encryption/decryption
  569. */
  570. void aes_crypt_ecb( aes_context *ctx,
  571. int mode,
  572. unsigned char input[16],
  573. unsigned char output[16] )
  574. {
  575. int i;
  576. unsigned long *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3;
  577. #if defined(XYSSL_PADLOCK_C) && defined(XYSSL_HAVE_X86)
  578. if( padlock_supports( PADLOCK_ACE ) )
  579. {
  580. padlock_xcryptecb( ctx, mode, input, output );
  581. return;
  582. }
  583. #endif
  584. RK = ctx->rk;
  585. GET_ULONG_LE( X0, input, 0 ); X0 ^= *RK++;
  586. GET_ULONG_LE( X1, input, 4 ); X1 ^= *RK++;
  587. GET_ULONG_LE( X2, input, 8 ); X2 ^= *RK++;
  588. GET_ULONG_LE( X3, input, 12 ); X3 ^= *RK++;
  589. if( mode == AES_ENCRYPT )
  590. {
  591. for( i = (ctx->nr >> 1); i > 1; i-- )
  592. {
  593. AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
  594. AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 );
  595. }
  596. AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
  597. X0 = *RK++ ^ ( FSb[ ( Y0 ) & 0xFF ] ) ^
  598. ( FSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^
  599. ( FSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^
  600. ( FSb[ ( Y3 >> 24 ) & 0xFF ] << 24 );
  601. X1 = *RK++ ^ ( FSb[ ( Y1 ) & 0xFF ] ) ^
  602. ( FSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^
  603. ( FSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^
  604. ( FSb[ ( Y0 >> 24 ) & 0xFF ] << 24 );
  605. X2 = *RK++ ^ ( FSb[ ( Y2 ) & 0xFF ] ) ^
  606. ( FSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^
  607. ( FSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^
  608. ( FSb[ ( Y1 >> 24 ) & 0xFF ] << 24 );
  609. X3 = *RK++ ^ ( FSb[ ( Y3 ) & 0xFF ] ) ^
  610. ( FSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^
  611. ( FSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^
  612. ( FSb[ ( Y2 >> 24 ) & 0xFF ] << 24 );
  613. }
  614. else /* AES_DECRYPT */
  615. {
  616. for( i = (ctx->nr >> 1); i > 1; i-- )
  617. {
  618. AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
  619. AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 );
  620. }
  621. AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
  622. X0 = *RK++ ^ ( RSb[ ( Y0 ) & 0xFF ] ) ^
  623. ( RSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^
  624. ( RSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^
  625. ( RSb[ ( Y1 >> 24 ) & 0xFF ] << 24 );
  626. X1 = *RK++ ^ ( RSb[ ( Y1 ) & 0xFF ] ) ^
  627. ( RSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^
  628. ( RSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^
  629. ( RSb[ ( Y2 >> 24 ) & 0xFF ] << 24 );
  630. X2 = *RK++ ^ ( RSb[ ( Y2 ) & 0xFF ] ) ^
  631. ( RSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^
  632. ( RSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^
  633. ( RSb[ ( Y3 >> 24 ) & 0xFF ] << 24 );
  634. X3 = *RK++ ^ ( RSb[ ( Y3 ) & 0xFF ] ) ^
  635. ( RSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^
  636. ( RSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^
  637. ( RSb[ ( Y0 >> 24 ) & 0xFF ] << 24 );
  638. }
  639. PUT_ULONG_LE( X0, output, 0 );
  640. PUT_ULONG_LE( X1, output, 4 );
  641. PUT_ULONG_LE( X2, output, 8 );
  642. PUT_ULONG_LE( X3, output, 12 );
  643. }
  644. /*
  645. * AES-CBC buffer encryption/decryption
  646. */
  647. void aes_crypt_cbc( aes_context *ctx,
  648. int mode,
  649. int length,
  650. unsigned char iv[16],
  651. unsigned char *input,
  652. unsigned char *output )
  653. {
  654. int i;
  655. unsigned char temp[16];
  656. #if defined(XYSSL_PADLOCK_C) && defined(XYSSL_HAVE_X86)
  657. if( padlock_supports( PADLOCK_ACE ) )
  658. {
  659. padlock_xcryptcbc( ctx, mode, length, iv, input, output );
  660. return;
  661. }
  662. #endif
  663. if( mode == AES_ENCRYPT )
  664. {
  665. while( length > 0 )
  666. {
  667. for( i = 0; i < 16; i++ )
  668. output[i] = (unsigned char)( input[i] ^ iv[i] );
  669. aes_crypt_ecb( ctx, mode, output, output );
  670. memcpy( iv, output, 16 );
  671. input += 16;
  672. output += 16;
  673. length -= 16;
  674. }
  675. }
  676. else
  677. {
  678. while( length > 0 )
  679. {
  680. memcpy( temp, input, 16 );
  681. aes_crypt_ecb( ctx, mode, input, output );
  682. for( i = 0; i < 16; i++ )
  683. output[i] = (unsigned char)( output[i] ^ iv[i] );
  684. memcpy( iv, temp, 16 );
  685. input += 16;
  686. output += 16;
  687. length -= 16;
  688. }
  689. }
  690. }
  691. /*
  692. * AES-CFB buffer encryption/decryption
  693. */
  694. void aes_crypt_cfb( aes_context *ctx,
  695. int mode,
  696. int length,
  697. int *iv_off,
  698. unsigned char iv[16],
  699. unsigned char *input,
  700. unsigned char *output )
  701. {
  702. int c, n = *iv_off;
  703. if( mode == AES_ENCRYPT )
  704. {
  705. while( length-- )
  706. {
  707. if( n == 0 )
  708. aes_crypt_ecb( ctx, mode, iv, iv );
  709. iv[n] = *output++ = (unsigned char)( iv[n] ^ *input++ );
  710. n = (n + 1) & 0x0F;
  711. }
  712. }
  713. else
  714. {
  715. while( length-- )
  716. {
  717. if( n == 0 )
  718. aes_crypt_ecb( ctx, mode, iv, iv );
  719. c = *input++;
  720. *output++ = (unsigned char)( c ^ iv[n] );
  721. iv[n] = (unsigned char) c;
  722. n = (n + 1) & 0x0F;
  723. }
  724. }
  725. *iv_off = n;
  726. }
  727. #if defined(XYSSL_SELF_TEST)
  728. #include <stdio.h>
  729. /*
  730. * AES-ECB test vectors (source: NIST, rijndael-vals.zip)
  731. */
  732. static const unsigned char aes_enc_test[3][16] =
  733. {
  734. { 0xC3, 0x4C, 0x05, 0x2C, 0xC0, 0xDA, 0x8D, 0x73,
  735. 0x45, 0x1A, 0xFE, 0x5F, 0x03, 0xBE, 0x29, 0x7F },
  736. { 0xF3, 0xF6, 0x75, 0x2A, 0xE8, 0xD7, 0x83, 0x11,
  737. 0x38, 0xF0, 0x41, 0x56, 0x06, 0x31, 0xB1, 0x14 },
  738. { 0x8B, 0x79, 0xEE, 0xCC, 0x93, 0xA0, 0xEE, 0x5D,
  739. 0xFF, 0x30, 0xB4, 0xEA, 0x21, 0x63, 0x6D, 0xA4 }
  740. };
  741. static const unsigned char aes_dec_test[3][16] =
  742. {
  743. { 0x44, 0x41, 0x6A, 0xC2, 0xD1, 0xF5, 0x3C, 0x58,
  744. 0x33, 0x03, 0x91, 0x7E, 0x6B, 0xE9, 0xEB, 0xE0 },
  745. { 0x48, 0xE3, 0x1E, 0x9E, 0x25, 0x67, 0x18, 0xF2,
  746. 0x92, 0x29, 0x31, 0x9C, 0x19, 0xF1, 0x5B, 0xA4 },
  747. { 0x05, 0x8C, 0xCF, 0xFD, 0xBB, 0xCB, 0x38, 0x2D,
  748. 0x1F, 0x6F, 0x56, 0x58, 0x5D, 0x8A, 0x4A, 0xDE }
  749. };
  750. /*
  751. * Checkup routine
  752. */
  753. int aes_self_test( int verbose )
  754. {
  755. int i, j, u, v;
  756. aes_context ctx;
  757. unsigned char buf[32];
  758. // my testing
  759. unsigned char Plaintext[]= { 0x83,0x4E ,0xAD ,0xFC ,0xCA ,0xC7 ,0xE1 ,0xB3 ,0x06 ,0x64 ,0xB1 ,0xAB ,0xA4 ,0x48 ,0x15 ,0xAB };
  760. unsigned char Key[] = { 0x00, 0x01, 0x02, 0x03 ,0x05 ,0x06, 0x07, 0x08 ,0x0A ,0x0B ,0x0C ,0x0D ,0x0F ,0x10 ,0x11 ,0x12,
  761. 0x14, 0x15 ,0x16 ,0x17 ,0x19 ,0x1A ,0x1B ,0x1C ,0x1E ,0x1F ,0x20 ,0x21 ,0x23 ,0x24 ,0x25, 0x26 };
  762. unsigned char Ciphertext[] = { 0x19 ,0x46 ,0xDA ,0xBF ,0x6A ,0x03 ,0xA2 ,0xA2 ,0xC3 ,0xD0 ,0xB0 ,0x50 ,0x80 ,0xAE ,0xD6 ,0xFC };
  763. // TEST encryption
  764. aes_setkey_enc( &ctx, Key, 256 );
  765. aes_crypt_ecb( &ctx,AES_ENCRYPT, Plaintext, buf );
  766. if( memcmp( Ciphertext, buf, 16 ) != 0 )
  767. {
  768. if( verbose != 0 )
  769. printf( "failed\n" );
  770. return( 1 );
  771. }
  772. // TEST decryption
  773. aes_setkey_dec( &ctx, Key, 256 );
  774. aes_crypt_ecb( &ctx,AES_DECRYPT, Ciphertext , buf );
  775. if( memcmp( Plaintext, buf, 16 ) != 0 )
  776. {
  777. if( verbose != 0 )
  778. printf( "failed\n" );
  779. return( 1 );
  780. }
  781. for( i = 0; i < 6; i++ )
  782. {
  783. u = i >> 1;
  784. v = i & 1;
  785. if( verbose != 0 )
  786. printf( " AES-ECB-%3d (%s): ", 128 + u * 64,
  787. ( v == AES_ENCRYPT ) ? "enc" : "dec" );
  788. memset( buf, 0, 32 );
  789. if( v == AES_ENCRYPT )
  790. {
  791. aes_setkey_enc( &ctx, buf, 128 + u * 64 );
  792. for( j = 0; j < 10000; j++ )
  793. aes_crypt_ecb( &ctx, v, buf, buf );
  794. if( memcmp( buf, aes_enc_test[u], 16 ) != 0 )
  795. {
  796. if( verbose != 0 )
  797. printf( "failed\n" );
  798. return( 1 );
  799. }
  800. }
  801. if( v == AES_DECRYPT )
  802. {
  803. aes_setkey_dec( &ctx, buf, 128 + u * 64 );
  804. for( j = 0; j < 10000; j++ )
  805. aes_crypt_ecb( &ctx, v, buf, buf );
  806. if( memcmp( buf, aes_dec_test[u], 16 ) != 0 )
  807. {
  808. if( verbose != 0 )
  809. printf( "failed\n" );
  810. return( 1 );
  811. }
  812. }
  813. if( verbose != 0 )
  814. printf( "passed\n" );
  815. }
  816. if( verbose != 0 )
  817. printf( "\n" );
  818. return( 0 );
  819. }
  820. #endif
  821. #endif
  822. void aes_ccm_decrypt(aes_context *ctxt,
  823. int mode,
  824. unsigned char *iv, unsigned long iv_length,
  825. unsigned char *input, unsigned long input_length,
  826. unsigned char *output);
  827. char datum_data[] = { /*0x5C,0x00,0x00,0x00,0x03,0x00,0x01,0x00,0x00,0x10,0x00,0x00,0x94,0xE9,0xA7,0x51
  828. ,0xC0,0xA8,0xBF,0xFD,0x7E,0xB4,0xEC,0xF3,0xB9,0x70,0x4C,0xA9, */
  829. 0x38,0x00,0x00,0x00
  830. ,0x05,0x00,0x01,0x00,0x40,0x78,0x88,0x8D,0xD0,0x23,0xC8,0x01,0x09,0x00,0x00,0x00
  831. ,0x07,0x41,0xF6,0xC3,0x2C,0xB0,0x65,0x6E,0x18,0xAA,0x33,0xD1,0x80,0xA2,0x82,0xAE
  832. ,0x98,0x94,0x2E,0x0A,0xF3,0xE8,0x46,0xDD,0x3D,0x26,0x26,0xC0,0xCE,0x19,0x7B,0x8D
  833. ,0xF3,0xFA,0x18,0xF3//,0x4C,0x09,0xDF,0x74,0xF7,0x69,0xDE,0x1D
  834. };
  835. unsigned char datum_encrypted[] = { 0x5c,0x00,0x00,0x00,0x05,0x00,0x00,0x00,
  836. 0x40,0x78,0x88,0x8d,0xd0,0x23,0xc8,0x01,
  837. 0x09,0x00,0x00,0x00,0x85,0x68,0x02,0x2c,0xc2,0x47,0x1b,0x9e,0xdf,0x5e,0x4b,0x1d,
  838. 0xca,0x8e,0x2a,0xce,0x14,0x58,0x39,0xd8,0x38,0xbc,0xdd,0xe5,0x9f,0x0e,0x82,0x89,
  839. 0x01,0xbf,0xac,0x5d,0x61,0xfa,0xd0,0x4b,0x2c,0x1e,0x46,0xb9,0xa0,0x35,0x5e,0x6f,
  840. 0x32,0xf3,0x3a,0xa3,0xb7,0xa5,0x48,0x51,0xab,0x22,0xc3,0xc8,0x66,0x4f,0x14,0x6b,
  841. 0x88,0x7d,0x17,0x3d,0xe1,0x5f,0xc5,0x40,0xec,0xfc,0xd3,0x6d
  842. ,0,0,0,0,0,0,0,0
  843. // alignment
  844. };
  845. char datum_password[] = { 0x2C, 0x00, 0x00 ,0x00 ,0x01 ,0x00,0x01,0x00,0x02,0x20,0x00, 0x00,
  846. 0x06, 0x00 , 0x4d , 0xf7 , 0xa8 , 0x28 , 0xfa , 0xcc,
  847. 0xcb , 0xb6 , 0xc5 , 0x0f , 0xf2 , 0x52, 0xe1, 0x9a ,
  848. 0x32 , 0x39 , 0xce , 0x6a , 0x3c , 0xf9 , 0xfb , 0xb9,
  849. 0x2d , 0x7f , 0x8e , 0xd9 , 0x54 , 0x5d , 0x8a , 0xc0};
  850. unsigned char datum_password_testing[] = {
  851. 0x2C,0x00,0x00,0x00,0x01,0x00,0x01,0x00,0x02,0x20,0x00,0x00,0xA8,0x18,0x56,0x08
  852. ,0x9C,0x83,0x82,0x35,0x15,0x75,0x62,0x87,0xD5,0xF7,0xD3,0xCC,0x6C,0xC9,0x90,0x83
  853. ,0x1B,0xB5,0x7E,0x81,0x64,0xF7,0x89,0xFC,0xA3,0x24,0x07,0xFB };
  854. unsigned char datum_encrypted_testing[] = {
  855. 0x5C,0x00,0x00,0x00,0x04,0x00,0x01,0x00,0x02,0x20,0x00,0x00,0x50,0x00,0x00,0x00
  856. ,0x05,0x00,0x01,0x00,0x70,0x5D,0x8B,0x29,0xDA,0x1F,0xC8,0x01,0x03,0x00,0x00,0x00
  857. ,0x1F,0x63,0x25,0x85,0xC5,0xDF,0xCE,0x83,0x28,0x42,0x7F,0x21,0x3C,0x8B,0x7C,0x4A
  858. ,0xCA,0x65,0xA3,0xFD,0xA9,0x16,0xB6,0x73,0x8B,0x6A,0x8B,0x10,0xE2,0xA3,0xBC,0x9C
  859. ,0x77,0x02,0xA8,0x08,0x55,0xCC,0xF3,0xB7,0x91,0x2D,0xC6,0x35,0xA0,0x90,0x23,0xFA
  860. ,0x67,0xE8,0xD4,0x9A,0x19,0xF4,0x11,0xC6,0x00,0x18,0xA8,0xBB
  861. };
  862. unsigned char datum_encrypted_testing2[] = {
  863. 0x50,0x00,0x00,0x00,0x05,0x00,0x01,0x00,0x70,0x5D,0x8B,0x29,0xDA,0x1F,0xC8,0x01
  864. ,0x04,0x00,0x00,0x00,0x9F,0x79,0x5A,0xB8,0x98,0x38,0x4C,0x71,0xA7,0xCA,0x62,0x3A
  865. ,0xDA,0x49,0x31,0x42,0x5D,0x6C,0xB0,0xC8,0xE5,0x56,0x53,0xC4,0x6B,0x7A,0xBD,0xED
  866. ,0xC9,0xBF,0xD4,0x5D,0xFE,0xD9,0x01,0xE4,0x1C,0x36,0x31,0xE3,0x42,0xAA,0xBD,0xDA
  867. ,0x7D,0x10,0xD7,0x9F,0x5F,0x52,0xA1,0xB3,0x20,0xFE,0xBE,0x2C,0xC8,0x41,0xE5,0x00
  868. };