aes_core.c 61 KB

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  1. /*
  2. * Copyright 2002-2016 The OpenSSL Project Authors. All Rights Reserved.
  3. *
  4. * Licensed under the Apache License 2.0 (the "License"). You may not use
  5. * this file except in compliance with the License. You can obtain a copy
  6. * in the file LICENSE in the source distribution or at
  7. * https://www.openssl.org/source/license.html
  8. */
  9. /**
  10. * rijndael-alg-fst.c
  11. *
  12. * @version 3.0 (December 2000)
  13. *
  14. * Optimised ANSI C code for the Rijndael cipher (now AES)
  15. *
  16. * @author Vincent Rijmen
  17. * @author Antoon Bosselaers
  18. * @author Paulo Barreto
  19. *
  20. * This code is hereby placed in the public domain.
  21. *
  22. * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
  23. * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  24. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  25. * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
  26. * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  27. * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  28. * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  29. * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  30. * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
  31. * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
  32. * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  33. */
  34. /* Note: rewritten a little bit to provide error control and an OpenSSL-
  35. compatible API */
  36. #include <assert.h>
  37. #include <stdlib.h>
  38. #include <openssl/crypto.h>
  39. #include <openssl/aes.h>
  40. #include "aes_locl.h"
  41. #ifndef AES_ASM
  42. /*-
  43. Te0[x] = S [x].[02, 01, 01, 03];
  44. Te1[x] = S [x].[03, 02, 01, 01];
  45. Te2[x] = S [x].[01, 03, 02, 01];
  46. Te3[x] = S [x].[01, 01, 03, 02];
  47. Td0[x] = Si[x].[0e, 09, 0d, 0b];
  48. Td1[x] = Si[x].[0b, 0e, 09, 0d];
  49. Td2[x] = Si[x].[0d, 0b, 0e, 09];
  50. Td3[x] = Si[x].[09, 0d, 0b, 0e];
  51. Td4[x] = Si[x].[01];
  52. */
  53. static const u32 Te0[256] = {
  54. 0xc66363a5U, 0xf87c7c84U, 0xee777799U, 0xf67b7b8dU,
  55. 0xfff2f20dU, 0xd66b6bbdU, 0xde6f6fb1U, 0x91c5c554U,
  56. 0x60303050U, 0x02010103U, 0xce6767a9U, 0x562b2b7dU,
  57. 0xe7fefe19U, 0xb5d7d762U, 0x4dababe6U, 0xec76769aU,
  58. 0x8fcaca45U, 0x1f82829dU, 0x89c9c940U, 0xfa7d7d87U,
  59. 0xeffafa15U, 0xb25959ebU, 0x8e4747c9U, 0xfbf0f00bU,
  60. 0x41adadecU, 0xb3d4d467U, 0x5fa2a2fdU, 0x45afafeaU,
  61. 0x239c9cbfU, 0x53a4a4f7U, 0xe4727296U, 0x9bc0c05bU,
  62. 0x75b7b7c2U, 0xe1fdfd1cU, 0x3d9393aeU, 0x4c26266aU,
  63. 0x6c36365aU, 0x7e3f3f41U, 0xf5f7f702U, 0x83cccc4fU,
  64. 0x6834345cU, 0x51a5a5f4U, 0xd1e5e534U, 0xf9f1f108U,
  65. 0xe2717193U, 0xabd8d873U, 0x62313153U, 0x2a15153fU,
  66. 0x0804040cU, 0x95c7c752U, 0x46232365U, 0x9dc3c35eU,
  67. 0x30181828U, 0x379696a1U, 0x0a05050fU, 0x2f9a9ab5U,
  68. 0x0e070709U, 0x24121236U, 0x1b80809bU, 0xdfe2e23dU,
  69. 0xcdebeb26U, 0x4e272769U, 0x7fb2b2cdU, 0xea75759fU,
  70. 0x1209091bU, 0x1d83839eU, 0x582c2c74U, 0x341a1a2eU,
  71. 0x361b1b2dU, 0xdc6e6eb2U, 0xb45a5aeeU, 0x5ba0a0fbU,
  72. 0xa45252f6U, 0x763b3b4dU, 0xb7d6d661U, 0x7db3b3ceU,
  73. 0x5229297bU, 0xdde3e33eU, 0x5e2f2f71U, 0x13848497U,
  74. 0xa65353f5U, 0xb9d1d168U, 0x00000000U, 0xc1eded2cU,
  75. 0x40202060U, 0xe3fcfc1fU, 0x79b1b1c8U, 0xb65b5bedU,
  76. 0xd46a6abeU, 0x8dcbcb46U, 0x67bebed9U, 0x7239394bU,
  77. 0x944a4adeU, 0x984c4cd4U, 0xb05858e8U, 0x85cfcf4aU,
  78. 0xbbd0d06bU, 0xc5efef2aU, 0x4faaaae5U, 0xedfbfb16U,
  79. 0x864343c5U, 0x9a4d4dd7U, 0x66333355U, 0x11858594U,
  80. 0x8a4545cfU, 0xe9f9f910U, 0x04020206U, 0xfe7f7f81U,
  81. 0xa05050f0U, 0x783c3c44U, 0x259f9fbaU, 0x4ba8a8e3U,
  82. 0xa25151f3U, 0x5da3a3feU, 0x804040c0U, 0x058f8f8aU,
  83. 0x3f9292adU, 0x219d9dbcU, 0x70383848U, 0xf1f5f504U,
  84. 0x63bcbcdfU, 0x77b6b6c1U, 0xafdada75U, 0x42212163U,
  85. 0x20101030U, 0xe5ffff1aU, 0xfdf3f30eU, 0xbfd2d26dU,
  86. 0x81cdcd4cU, 0x180c0c14U, 0x26131335U, 0xc3ecec2fU,
  87. 0xbe5f5fe1U, 0x359797a2U, 0x884444ccU, 0x2e171739U,
  88. 0x93c4c457U, 0x55a7a7f2U, 0xfc7e7e82U, 0x7a3d3d47U,
  89. 0xc86464acU, 0xba5d5de7U, 0x3219192bU, 0xe6737395U,
  90. 0xc06060a0U, 0x19818198U, 0x9e4f4fd1U, 0xa3dcdc7fU,
  91. 0x44222266U, 0x542a2a7eU, 0x3b9090abU, 0x0b888883U,
  92. 0x8c4646caU, 0xc7eeee29U, 0x6bb8b8d3U, 0x2814143cU,
  93. 0xa7dede79U, 0xbc5e5ee2U, 0x160b0b1dU, 0xaddbdb76U,
  94. 0xdbe0e03bU, 0x64323256U, 0x743a3a4eU, 0x140a0a1eU,
  95. 0x924949dbU, 0x0c06060aU, 0x4824246cU, 0xb85c5ce4U,
  96. 0x9fc2c25dU, 0xbdd3d36eU, 0x43acacefU, 0xc46262a6U,
  97. 0x399191a8U, 0x319595a4U, 0xd3e4e437U, 0xf279798bU,
  98. 0xd5e7e732U, 0x8bc8c843U, 0x6e373759U, 0xda6d6db7U,
  99. 0x018d8d8cU, 0xb1d5d564U, 0x9c4e4ed2U, 0x49a9a9e0U,
  100. 0xd86c6cb4U, 0xac5656faU, 0xf3f4f407U, 0xcfeaea25U,
  101. 0xca6565afU, 0xf47a7a8eU, 0x47aeaee9U, 0x10080818U,
  102. 0x6fbabad5U, 0xf0787888U, 0x4a25256fU, 0x5c2e2e72U,
  103. 0x381c1c24U, 0x57a6a6f1U, 0x73b4b4c7U, 0x97c6c651U,
  104. 0xcbe8e823U, 0xa1dddd7cU, 0xe874749cU, 0x3e1f1f21U,
  105. 0x964b4bddU, 0x61bdbddcU, 0x0d8b8b86U, 0x0f8a8a85U,
  106. 0xe0707090U, 0x7c3e3e42U, 0x71b5b5c4U, 0xcc6666aaU,
  107. 0x904848d8U, 0x06030305U, 0xf7f6f601U, 0x1c0e0e12U,
  108. 0xc26161a3U, 0x6a35355fU, 0xae5757f9U, 0x69b9b9d0U,
  109. 0x17868691U, 0x99c1c158U, 0x3a1d1d27U, 0x279e9eb9U,
  110. 0xd9e1e138U, 0xebf8f813U, 0x2b9898b3U, 0x22111133U,
  111. 0xd26969bbU, 0xa9d9d970U, 0x078e8e89U, 0x339494a7U,
  112. 0x2d9b9bb6U, 0x3c1e1e22U, 0x15878792U, 0xc9e9e920U,
  113. 0x87cece49U, 0xaa5555ffU, 0x50282878U, 0xa5dfdf7aU,
  114. 0x038c8c8fU, 0x59a1a1f8U, 0x09898980U, 0x1a0d0d17U,
  115. 0x65bfbfdaU, 0xd7e6e631U, 0x844242c6U, 0xd06868b8U,
  116. 0x824141c3U, 0x299999b0U, 0x5a2d2d77U, 0x1e0f0f11U,
  117. 0x7bb0b0cbU, 0xa85454fcU, 0x6dbbbbd6U, 0x2c16163aU,
  118. };
  119. static const u32 Te1[256] = {
  120. 0xa5c66363U, 0x84f87c7cU, 0x99ee7777U, 0x8df67b7bU,
  121. 0x0dfff2f2U, 0xbdd66b6bU, 0xb1de6f6fU, 0x5491c5c5U,
  122. 0x50603030U, 0x03020101U, 0xa9ce6767U, 0x7d562b2bU,
  123. 0x19e7fefeU, 0x62b5d7d7U, 0xe64dababU, 0x9aec7676U,
  124. 0x458fcacaU, 0x9d1f8282U, 0x4089c9c9U, 0x87fa7d7dU,
  125. 0x15effafaU, 0xebb25959U, 0xc98e4747U, 0x0bfbf0f0U,
  126. 0xec41adadU, 0x67b3d4d4U, 0xfd5fa2a2U, 0xea45afafU,
  127. 0xbf239c9cU, 0xf753a4a4U, 0x96e47272U, 0x5b9bc0c0U,
  128. 0xc275b7b7U, 0x1ce1fdfdU, 0xae3d9393U, 0x6a4c2626U,
  129. 0x5a6c3636U, 0x417e3f3fU, 0x02f5f7f7U, 0x4f83ccccU,
  130. 0x5c683434U, 0xf451a5a5U, 0x34d1e5e5U, 0x08f9f1f1U,
  131. 0x93e27171U, 0x73abd8d8U, 0x53623131U, 0x3f2a1515U,
  132. 0x0c080404U, 0x5295c7c7U, 0x65462323U, 0x5e9dc3c3U,
  133. 0x28301818U, 0xa1379696U, 0x0f0a0505U, 0xb52f9a9aU,
  134. 0x090e0707U, 0x36241212U, 0x9b1b8080U, 0x3ddfe2e2U,
  135. 0x26cdebebU, 0x694e2727U, 0xcd7fb2b2U, 0x9fea7575U,
  136. 0x1b120909U, 0x9e1d8383U, 0x74582c2cU, 0x2e341a1aU,
  137. 0x2d361b1bU, 0xb2dc6e6eU, 0xeeb45a5aU, 0xfb5ba0a0U,
  138. 0xf6a45252U, 0x4d763b3bU, 0x61b7d6d6U, 0xce7db3b3U,
  139. 0x7b522929U, 0x3edde3e3U, 0x715e2f2fU, 0x97138484U,
  140. 0xf5a65353U, 0x68b9d1d1U, 0x00000000U, 0x2cc1ededU,
  141. 0x60402020U, 0x1fe3fcfcU, 0xc879b1b1U, 0xedb65b5bU,
  142. 0xbed46a6aU, 0x468dcbcbU, 0xd967bebeU, 0x4b723939U,
  143. 0xde944a4aU, 0xd4984c4cU, 0xe8b05858U, 0x4a85cfcfU,
  144. 0x6bbbd0d0U, 0x2ac5efefU, 0xe54faaaaU, 0x16edfbfbU,
  145. 0xc5864343U, 0xd79a4d4dU, 0x55663333U, 0x94118585U,
  146. 0xcf8a4545U, 0x10e9f9f9U, 0x06040202U, 0x81fe7f7fU,
  147. 0xf0a05050U, 0x44783c3cU, 0xba259f9fU, 0xe34ba8a8U,
  148. 0xf3a25151U, 0xfe5da3a3U, 0xc0804040U, 0x8a058f8fU,
  149. 0xad3f9292U, 0xbc219d9dU, 0x48703838U, 0x04f1f5f5U,
  150. 0xdf63bcbcU, 0xc177b6b6U, 0x75afdadaU, 0x63422121U,
  151. 0x30201010U, 0x1ae5ffffU, 0x0efdf3f3U, 0x6dbfd2d2U,
  152. 0x4c81cdcdU, 0x14180c0cU, 0x35261313U, 0x2fc3ececU,
  153. 0xe1be5f5fU, 0xa2359797U, 0xcc884444U, 0x392e1717U,
  154. 0x5793c4c4U, 0xf255a7a7U, 0x82fc7e7eU, 0x477a3d3dU,
  155. 0xacc86464U, 0xe7ba5d5dU, 0x2b321919U, 0x95e67373U,
  156. 0xa0c06060U, 0x98198181U, 0xd19e4f4fU, 0x7fa3dcdcU,
  157. 0x66442222U, 0x7e542a2aU, 0xab3b9090U, 0x830b8888U,
  158. 0xca8c4646U, 0x29c7eeeeU, 0xd36bb8b8U, 0x3c281414U,
  159. 0x79a7dedeU, 0xe2bc5e5eU, 0x1d160b0bU, 0x76addbdbU,
  160. 0x3bdbe0e0U, 0x56643232U, 0x4e743a3aU, 0x1e140a0aU,
  161. 0xdb924949U, 0x0a0c0606U, 0x6c482424U, 0xe4b85c5cU,
  162. 0x5d9fc2c2U, 0x6ebdd3d3U, 0xef43acacU, 0xa6c46262U,
  163. 0xa8399191U, 0xa4319595U, 0x37d3e4e4U, 0x8bf27979U,
  164. 0x32d5e7e7U, 0x438bc8c8U, 0x596e3737U, 0xb7da6d6dU,
  165. 0x8c018d8dU, 0x64b1d5d5U, 0xd29c4e4eU, 0xe049a9a9U,
  166. 0xb4d86c6cU, 0xfaac5656U, 0x07f3f4f4U, 0x25cfeaeaU,
  167. 0xafca6565U, 0x8ef47a7aU, 0xe947aeaeU, 0x18100808U,
  168. 0xd56fbabaU, 0x88f07878U, 0x6f4a2525U, 0x725c2e2eU,
  169. 0x24381c1cU, 0xf157a6a6U, 0xc773b4b4U, 0x5197c6c6U,
  170. 0x23cbe8e8U, 0x7ca1ddddU, 0x9ce87474U, 0x213e1f1fU,
  171. 0xdd964b4bU, 0xdc61bdbdU, 0x860d8b8bU, 0x850f8a8aU,
  172. 0x90e07070U, 0x427c3e3eU, 0xc471b5b5U, 0xaacc6666U,
  173. 0xd8904848U, 0x05060303U, 0x01f7f6f6U, 0x121c0e0eU,
  174. 0xa3c26161U, 0x5f6a3535U, 0xf9ae5757U, 0xd069b9b9U,
  175. 0x91178686U, 0x5899c1c1U, 0x273a1d1dU, 0xb9279e9eU,
  176. 0x38d9e1e1U, 0x13ebf8f8U, 0xb32b9898U, 0x33221111U,
  177. 0xbbd26969U, 0x70a9d9d9U, 0x89078e8eU, 0xa7339494U,
  178. 0xb62d9b9bU, 0x223c1e1eU, 0x92158787U, 0x20c9e9e9U,
  179. 0x4987ceceU, 0xffaa5555U, 0x78502828U, 0x7aa5dfdfU,
  180. 0x8f038c8cU, 0xf859a1a1U, 0x80098989U, 0x171a0d0dU,
  181. 0xda65bfbfU, 0x31d7e6e6U, 0xc6844242U, 0xb8d06868U,
  182. 0xc3824141U, 0xb0299999U, 0x775a2d2dU, 0x111e0f0fU,
  183. 0xcb7bb0b0U, 0xfca85454U, 0xd66dbbbbU, 0x3a2c1616U,
  184. };
  185. static const u32 Te2[256] = {
  186. 0x63a5c663U, 0x7c84f87cU, 0x7799ee77U, 0x7b8df67bU,
  187. 0xf20dfff2U, 0x6bbdd66bU, 0x6fb1de6fU, 0xc55491c5U,
  188. 0x30506030U, 0x01030201U, 0x67a9ce67U, 0x2b7d562bU,
  189. 0xfe19e7feU, 0xd762b5d7U, 0xabe64dabU, 0x769aec76U,
  190. 0xca458fcaU, 0x829d1f82U, 0xc94089c9U, 0x7d87fa7dU,
  191. 0xfa15effaU, 0x59ebb259U, 0x47c98e47U, 0xf00bfbf0U,
  192. 0xadec41adU, 0xd467b3d4U, 0xa2fd5fa2U, 0xafea45afU,
  193. 0x9cbf239cU, 0xa4f753a4U, 0x7296e472U, 0xc05b9bc0U,
  194. 0xb7c275b7U, 0xfd1ce1fdU, 0x93ae3d93U, 0x266a4c26U,
  195. 0x365a6c36U, 0x3f417e3fU, 0xf702f5f7U, 0xcc4f83ccU,
  196. 0x345c6834U, 0xa5f451a5U, 0xe534d1e5U, 0xf108f9f1U,
  197. 0x7193e271U, 0xd873abd8U, 0x31536231U, 0x153f2a15U,
  198. 0x040c0804U, 0xc75295c7U, 0x23654623U, 0xc35e9dc3U,
  199. 0x18283018U, 0x96a13796U, 0x050f0a05U, 0x9ab52f9aU,
  200. 0x07090e07U, 0x12362412U, 0x809b1b80U, 0xe23ddfe2U,
  201. 0xeb26cdebU, 0x27694e27U, 0xb2cd7fb2U, 0x759fea75U,
  202. 0x091b1209U, 0x839e1d83U, 0x2c74582cU, 0x1a2e341aU,
  203. 0x1b2d361bU, 0x6eb2dc6eU, 0x5aeeb45aU, 0xa0fb5ba0U,
  204. 0x52f6a452U, 0x3b4d763bU, 0xd661b7d6U, 0xb3ce7db3U,
  205. 0x297b5229U, 0xe33edde3U, 0x2f715e2fU, 0x84971384U,
  206. 0x53f5a653U, 0xd168b9d1U, 0x00000000U, 0xed2cc1edU,
  207. 0x20604020U, 0xfc1fe3fcU, 0xb1c879b1U, 0x5bedb65bU,
  208. 0x6abed46aU, 0xcb468dcbU, 0xbed967beU, 0x394b7239U,
  209. 0x4ade944aU, 0x4cd4984cU, 0x58e8b058U, 0xcf4a85cfU,
  210. 0xd06bbbd0U, 0xef2ac5efU, 0xaae54faaU, 0xfb16edfbU,
  211. 0x43c58643U, 0x4dd79a4dU, 0x33556633U, 0x85941185U,
  212. 0x45cf8a45U, 0xf910e9f9U, 0x02060402U, 0x7f81fe7fU,
  213. 0x50f0a050U, 0x3c44783cU, 0x9fba259fU, 0xa8e34ba8U,
  214. 0x51f3a251U, 0xa3fe5da3U, 0x40c08040U, 0x8f8a058fU,
  215. 0x92ad3f92U, 0x9dbc219dU, 0x38487038U, 0xf504f1f5U,
  216. 0xbcdf63bcU, 0xb6c177b6U, 0xda75afdaU, 0x21634221U,
  217. 0x10302010U, 0xff1ae5ffU, 0xf30efdf3U, 0xd26dbfd2U,
  218. 0xcd4c81cdU, 0x0c14180cU, 0x13352613U, 0xec2fc3ecU,
  219. 0x5fe1be5fU, 0x97a23597U, 0x44cc8844U, 0x17392e17U,
  220. 0xc45793c4U, 0xa7f255a7U, 0x7e82fc7eU, 0x3d477a3dU,
  221. 0x64acc864U, 0x5de7ba5dU, 0x192b3219U, 0x7395e673U,
  222. 0x60a0c060U, 0x81981981U, 0x4fd19e4fU, 0xdc7fa3dcU,
  223. 0x22664422U, 0x2a7e542aU, 0x90ab3b90U, 0x88830b88U,
  224. 0x46ca8c46U, 0xee29c7eeU, 0xb8d36bb8U, 0x143c2814U,
  225. 0xde79a7deU, 0x5ee2bc5eU, 0x0b1d160bU, 0xdb76addbU,
  226. 0xe03bdbe0U, 0x32566432U, 0x3a4e743aU, 0x0a1e140aU,
  227. 0x49db9249U, 0x060a0c06U, 0x246c4824U, 0x5ce4b85cU,
  228. 0xc25d9fc2U, 0xd36ebdd3U, 0xacef43acU, 0x62a6c462U,
  229. 0x91a83991U, 0x95a43195U, 0xe437d3e4U, 0x798bf279U,
  230. 0xe732d5e7U, 0xc8438bc8U, 0x37596e37U, 0x6db7da6dU,
  231. 0x8d8c018dU, 0xd564b1d5U, 0x4ed29c4eU, 0xa9e049a9U,
  232. 0x6cb4d86cU, 0x56faac56U, 0xf407f3f4U, 0xea25cfeaU,
  233. 0x65afca65U, 0x7a8ef47aU, 0xaee947aeU, 0x08181008U,
  234. 0xbad56fbaU, 0x7888f078U, 0x256f4a25U, 0x2e725c2eU,
  235. 0x1c24381cU, 0xa6f157a6U, 0xb4c773b4U, 0xc65197c6U,
  236. 0xe823cbe8U, 0xdd7ca1ddU, 0x749ce874U, 0x1f213e1fU,
  237. 0x4bdd964bU, 0xbddc61bdU, 0x8b860d8bU, 0x8a850f8aU,
  238. 0x7090e070U, 0x3e427c3eU, 0xb5c471b5U, 0x66aacc66U,
  239. 0x48d89048U, 0x03050603U, 0xf601f7f6U, 0x0e121c0eU,
  240. 0x61a3c261U, 0x355f6a35U, 0x57f9ae57U, 0xb9d069b9U,
  241. 0x86911786U, 0xc15899c1U, 0x1d273a1dU, 0x9eb9279eU,
  242. 0xe138d9e1U, 0xf813ebf8U, 0x98b32b98U, 0x11332211U,
  243. 0x69bbd269U, 0xd970a9d9U, 0x8e89078eU, 0x94a73394U,
  244. 0x9bb62d9bU, 0x1e223c1eU, 0x87921587U, 0xe920c9e9U,
  245. 0xce4987ceU, 0x55ffaa55U, 0x28785028U, 0xdf7aa5dfU,
  246. 0x8c8f038cU, 0xa1f859a1U, 0x89800989U, 0x0d171a0dU,
  247. 0xbfda65bfU, 0xe631d7e6U, 0x42c68442U, 0x68b8d068U,
  248. 0x41c38241U, 0x99b02999U, 0x2d775a2dU, 0x0f111e0fU,
  249. 0xb0cb7bb0U, 0x54fca854U, 0xbbd66dbbU, 0x163a2c16U,
  250. };
  251. static const u32 Te3[256] = {
  252. 0x6363a5c6U, 0x7c7c84f8U, 0x777799eeU, 0x7b7b8df6U,
  253. 0xf2f20dffU, 0x6b6bbdd6U, 0x6f6fb1deU, 0xc5c55491U,
  254. 0x30305060U, 0x01010302U, 0x6767a9ceU, 0x2b2b7d56U,
  255. 0xfefe19e7U, 0xd7d762b5U, 0xababe64dU, 0x76769aecU,
  256. 0xcaca458fU, 0x82829d1fU, 0xc9c94089U, 0x7d7d87faU,
  257. 0xfafa15efU, 0x5959ebb2U, 0x4747c98eU, 0xf0f00bfbU,
  258. 0xadadec41U, 0xd4d467b3U, 0xa2a2fd5fU, 0xafafea45U,
  259. 0x9c9cbf23U, 0xa4a4f753U, 0x727296e4U, 0xc0c05b9bU,
  260. 0xb7b7c275U, 0xfdfd1ce1U, 0x9393ae3dU, 0x26266a4cU,
  261. 0x36365a6cU, 0x3f3f417eU, 0xf7f702f5U, 0xcccc4f83U,
  262. 0x34345c68U, 0xa5a5f451U, 0xe5e534d1U, 0xf1f108f9U,
  263. 0x717193e2U, 0xd8d873abU, 0x31315362U, 0x15153f2aU,
  264. 0x04040c08U, 0xc7c75295U, 0x23236546U, 0xc3c35e9dU,
  265. 0x18182830U, 0x9696a137U, 0x05050f0aU, 0x9a9ab52fU,
  266. 0x0707090eU, 0x12123624U, 0x80809b1bU, 0xe2e23ddfU,
  267. 0xebeb26cdU, 0x2727694eU, 0xb2b2cd7fU, 0x75759feaU,
  268. 0x09091b12U, 0x83839e1dU, 0x2c2c7458U, 0x1a1a2e34U,
  269. 0x1b1b2d36U, 0x6e6eb2dcU, 0x5a5aeeb4U, 0xa0a0fb5bU,
  270. 0x5252f6a4U, 0x3b3b4d76U, 0xd6d661b7U, 0xb3b3ce7dU,
  271. 0x29297b52U, 0xe3e33eddU, 0x2f2f715eU, 0x84849713U,
  272. 0x5353f5a6U, 0xd1d168b9U, 0x00000000U, 0xeded2cc1U,
  273. 0x20206040U, 0xfcfc1fe3U, 0xb1b1c879U, 0x5b5bedb6U,
  274. 0x6a6abed4U, 0xcbcb468dU, 0xbebed967U, 0x39394b72U,
  275. 0x4a4ade94U, 0x4c4cd498U, 0x5858e8b0U, 0xcfcf4a85U,
  276. 0xd0d06bbbU, 0xefef2ac5U, 0xaaaae54fU, 0xfbfb16edU,
  277. 0x4343c586U, 0x4d4dd79aU, 0x33335566U, 0x85859411U,
  278. 0x4545cf8aU, 0xf9f910e9U, 0x02020604U, 0x7f7f81feU,
  279. 0x5050f0a0U, 0x3c3c4478U, 0x9f9fba25U, 0xa8a8e34bU,
  280. 0x5151f3a2U, 0xa3a3fe5dU, 0x4040c080U, 0x8f8f8a05U,
  281. 0x9292ad3fU, 0x9d9dbc21U, 0x38384870U, 0xf5f504f1U,
  282. 0xbcbcdf63U, 0xb6b6c177U, 0xdada75afU, 0x21216342U,
  283. 0x10103020U, 0xffff1ae5U, 0xf3f30efdU, 0xd2d26dbfU,
  284. 0xcdcd4c81U, 0x0c0c1418U, 0x13133526U, 0xecec2fc3U,
  285. 0x5f5fe1beU, 0x9797a235U, 0x4444cc88U, 0x1717392eU,
  286. 0xc4c45793U, 0xa7a7f255U, 0x7e7e82fcU, 0x3d3d477aU,
  287. 0x6464acc8U, 0x5d5de7baU, 0x19192b32U, 0x737395e6U,
  288. 0x6060a0c0U, 0x81819819U, 0x4f4fd19eU, 0xdcdc7fa3U,
  289. 0x22226644U, 0x2a2a7e54U, 0x9090ab3bU, 0x8888830bU,
  290. 0x4646ca8cU, 0xeeee29c7U, 0xb8b8d36bU, 0x14143c28U,
  291. 0xdede79a7U, 0x5e5ee2bcU, 0x0b0b1d16U, 0xdbdb76adU,
  292. 0xe0e03bdbU, 0x32325664U, 0x3a3a4e74U, 0x0a0a1e14U,
  293. 0x4949db92U, 0x06060a0cU, 0x24246c48U, 0x5c5ce4b8U,
  294. 0xc2c25d9fU, 0xd3d36ebdU, 0xacacef43U, 0x6262a6c4U,
  295. 0x9191a839U, 0x9595a431U, 0xe4e437d3U, 0x79798bf2U,
  296. 0xe7e732d5U, 0xc8c8438bU, 0x3737596eU, 0x6d6db7daU,
  297. 0x8d8d8c01U, 0xd5d564b1U, 0x4e4ed29cU, 0xa9a9e049U,
  298. 0x6c6cb4d8U, 0x5656faacU, 0xf4f407f3U, 0xeaea25cfU,
  299. 0x6565afcaU, 0x7a7a8ef4U, 0xaeaee947U, 0x08081810U,
  300. 0xbabad56fU, 0x787888f0U, 0x25256f4aU, 0x2e2e725cU,
  301. 0x1c1c2438U, 0xa6a6f157U, 0xb4b4c773U, 0xc6c65197U,
  302. 0xe8e823cbU, 0xdddd7ca1U, 0x74749ce8U, 0x1f1f213eU,
  303. 0x4b4bdd96U, 0xbdbddc61U, 0x8b8b860dU, 0x8a8a850fU,
  304. 0x707090e0U, 0x3e3e427cU, 0xb5b5c471U, 0x6666aaccU,
  305. 0x4848d890U, 0x03030506U, 0xf6f601f7U, 0x0e0e121cU,
  306. 0x6161a3c2U, 0x35355f6aU, 0x5757f9aeU, 0xb9b9d069U,
  307. 0x86869117U, 0xc1c15899U, 0x1d1d273aU, 0x9e9eb927U,
  308. 0xe1e138d9U, 0xf8f813ebU, 0x9898b32bU, 0x11113322U,
  309. 0x6969bbd2U, 0xd9d970a9U, 0x8e8e8907U, 0x9494a733U,
  310. 0x9b9bb62dU, 0x1e1e223cU, 0x87879215U, 0xe9e920c9U,
  311. 0xcece4987U, 0x5555ffaaU, 0x28287850U, 0xdfdf7aa5U,
  312. 0x8c8c8f03U, 0xa1a1f859U, 0x89898009U, 0x0d0d171aU,
  313. 0xbfbfda65U, 0xe6e631d7U, 0x4242c684U, 0x6868b8d0U,
  314. 0x4141c382U, 0x9999b029U, 0x2d2d775aU, 0x0f0f111eU,
  315. 0xb0b0cb7bU, 0x5454fca8U, 0xbbbbd66dU, 0x16163a2cU,
  316. };
  317. static const u32 Td0[256] = {
  318. 0x51f4a750U, 0x7e416553U, 0x1a17a4c3U, 0x3a275e96U,
  319. 0x3bab6bcbU, 0x1f9d45f1U, 0xacfa58abU, 0x4be30393U,
  320. 0x2030fa55U, 0xad766df6U, 0x88cc7691U, 0xf5024c25U,
  321. 0x4fe5d7fcU, 0xc52acbd7U, 0x26354480U, 0xb562a38fU,
  322. 0xdeb15a49U, 0x25ba1b67U, 0x45ea0e98U, 0x5dfec0e1U,
  323. 0xc32f7502U, 0x814cf012U, 0x8d4697a3U, 0x6bd3f9c6U,
  324. 0x038f5fe7U, 0x15929c95U, 0xbf6d7aebU, 0x955259daU,
  325. 0xd4be832dU, 0x587421d3U, 0x49e06929U, 0x8ec9c844U,
  326. 0x75c2896aU, 0xf48e7978U, 0x99583e6bU, 0x27b971ddU,
  327. 0xbee14fb6U, 0xf088ad17U, 0xc920ac66U, 0x7dce3ab4U,
  328. 0x63df4a18U, 0xe51a3182U, 0x97513360U, 0x62537f45U,
  329. 0xb16477e0U, 0xbb6bae84U, 0xfe81a01cU, 0xf9082b94U,
  330. 0x70486858U, 0x8f45fd19U, 0x94de6c87U, 0x527bf8b7U,
  331. 0xab73d323U, 0x724b02e2U, 0xe31f8f57U, 0x6655ab2aU,
  332. 0xb2eb2807U, 0x2fb5c203U, 0x86c57b9aU, 0xd33708a5U,
  333. 0x302887f2U, 0x23bfa5b2U, 0x02036abaU, 0xed16825cU,
  334. 0x8acf1c2bU, 0xa779b492U, 0xf307f2f0U, 0x4e69e2a1U,
  335. 0x65daf4cdU, 0x0605bed5U, 0xd134621fU, 0xc4a6fe8aU,
  336. 0x342e539dU, 0xa2f355a0U, 0x058ae132U, 0xa4f6eb75U,
  337. 0x0b83ec39U, 0x4060efaaU, 0x5e719f06U, 0xbd6e1051U,
  338. 0x3e218af9U, 0x96dd063dU, 0xdd3e05aeU, 0x4de6bd46U,
  339. 0x91548db5U, 0x71c45d05U, 0x0406d46fU, 0x605015ffU,
  340. 0x1998fb24U, 0xd6bde997U, 0x894043ccU, 0x67d99e77U,
  341. 0xb0e842bdU, 0x07898b88U, 0xe7195b38U, 0x79c8eedbU,
  342. 0xa17c0a47U, 0x7c420fe9U, 0xf8841ec9U, 0x00000000U,
  343. 0x09808683U, 0x322bed48U, 0x1e1170acU, 0x6c5a724eU,
  344. 0xfd0efffbU, 0x0f853856U, 0x3daed51eU, 0x362d3927U,
  345. 0x0a0fd964U, 0x685ca621U, 0x9b5b54d1U, 0x24362e3aU,
  346. 0x0c0a67b1U, 0x9357e70fU, 0xb4ee96d2U, 0x1b9b919eU,
  347. 0x80c0c54fU, 0x61dc20a2U, 0x5a774b69U, 0x1c121a16U,
  348. 0xe293ba0aU, 0xc0a02ae5U, 0x3c22e043U, 0x121b171dU,
  349. 0x0e090d0bU, 0xf28bc7adU, 0x2db6a8b9U, 0x141ea9c8U,
  350. 0x57f11985U, 0xaf75074cU, 0xee99ddbbU, 0xa37f60fdU,
  351. 0xf701269fU, 0x5c72f5bcU, 0x44663bc5U, 0x5bfb7e34U,
  352. 0x8b432976U, 0xcb23c6dcU, 0xb6edfc68U, 0xb8e4f163U,
  353. 0xd731dccaU, 0x42638510U, 0x13972240U, 0x84c61120U,
  354. 0x854a247dU, 0xd2bb3df8U, 0xaef93211U, 0xc729a16dU,
  355. 0x1d9e2f4bU, 0xdcb230f3U, 0x0d8652ecU, 0x77c1e3d0U,
  356. 0x2bb3166cU, 0xa970b999U, 0x119448faU, 0x47e96422U,
  357. 0xa8fc8cc4U, 0xa0f03f1aU, 0x567d2cd8U, 0x223390efU,
  358. 0x87494ec7U, 0xd938d1c1U, 0x8ccaa2feU, 0x98d40b36U,
  359. 0xa6f581cfU, 0xa57ade28U, 0xdab78e26U, 0x3fadbfa4U,
  360. 0x2c3a9de4U, 0x5078920dU, 0x6a5fcc9bU, 0x547e4662U,
  361. 0xf68d13c2U, 0x90d8b8e8U, 0x2e39f75eU, 0x82c3aff5U,
  362. 0x9f5d80beU, 0x69d0937cU, 0x6fd52da9U, 0xcf2512b3U,
  363. 0xc8ac993bU, 0x10187da7U, 0xe89c636eU, 0xdb3bbb7bU,
  364. 0xcd267809U, 0x6e5918f4U, 0xec9ab701U, 0x834f9aa8U,
  365. 0xe6956e65U, 0xaaffe67eU, 0x21bccf08U, 0xef15e8e6U,
  366. 0xbae79bd9U, 0x4a6f36ceU, 0xea9f09d4U, 0x29b07cd6U,
  367. 0x31a4b2afU, 0x2a3f2331U, 0xc6a59430U, 0x35a266c0U,
  368. 0x744ebc37U, 0xfc82caa6U, 0xe090d0b0U, 0x33a7d815U,
  369. 0xf104984aU, 0x41ecdaf7U, 0x7fcd500eU, 0x1791f62fU,
  370. 0x764dd68dU, 0x43efb04dU, 0xccaa4d54U, 0xe49604dfU,
  371. 0x9ed1b5e3U, 0x4c6a881bU, 0xc12c1fb8U, 0x4665517fU,
  372. 0x9d5eea04U, 0x018c355dU, 0xfa877473U, 0xfb0b412eU,
  373. 0xb3671d5aU, 0x92dbd252U, 0xe9105633U, 0x6dd64713U,
  374. 0x9ad7618cU, 0x37a10c7aU, 0x59f8148eU, 0xeb133c89U,
  375. 0xcea927eeU, 0xb761c935U, 0xe11ce5edU, 0x7a47b13cU,
  376. 0x9cd2df59U, 0x55f2733fU, 0x1814ce79U, 0x73c737bfU,
  377. 0x53f7cdeaU, 0x5ffdaa5bU, 0xdf3d6f14U, 0x7844db86U,
  378. 0xcaaff381U, 0xb968c43eU, 0x3824342cU, 0xc2a3405fU,
  379. 0x161dc372U, 0xbce2250cU, 0x283c498bU, 0xff0d9541U,
  380. 0x39a80171U, 0x080cb3deU, 0xd8b4e49cU, 0x6456c190U,
  381. 0x7bcb8461U, 0xd532b670U, 0x486c5c74U, 0xd0b85742U,
  382. };
  383. static const u32 Td1[256] = {
  384. 0x5051f4a7U, 0x537e4165U, 0xc31a17a4U, 0x963a275eU,
  385. 0xcb3bab6bU, 0xf11f9d45U, 0xabacfa58U, 0x934be303U,
  386. 0x552030faU, 0xf6ad766dU, 0x9188cc76U, 0x25f5024cU,
  387. 0xfc4fe5d7U, 0xd7c52acbU, 0x80263544U, 0x8fb562a3U,
  388. 0x49deb15aU, 0x6725ba1bU, 0x9845ea0eU, 0xe15dfec0U,
  389. 0x02c32f75U, 0x12814cf0U, 0xa38d4697U, 0xc66bd3f9U,
  390. 0xe7038f5fU, 0x9515929cU, 0xebbf6d7aU, 0xda955259U,
  391. 0x2dd4be83U, 0xd3587421U, 0x2949e069U, 0x448ec9c8U,
  392. 0x6a75c289U, 0x78f48e79U, 0x6b99583eU, 0xdd27b971U,
  393. 0xb6bee14fU, 0x17f088adU, 0x66c920acU, 0xb47dce3aU,
  394. 0x1863df4aU, 0x82e51a31U, 0x60975133U, 0x4562537fU,
  395. 0xe0b16477U, 0x84bb6baeU, 0x1cfe81a0U, 0x94f9082bU,
  396. 0x58704868U, 0x198f45fdU, 0x8794de6cU, 0xb7527bf8U,
  397. 0x23ab73d3U, 0xe2724b02U, 0x57e31f8fU, 0x2a6655abU,
  398. 0x07b2eb28U, 0x032fb5c2U, 0x9a86c57bU, 0xa5d33708U,
  399. 0xf2302887U, 0xb223bfa5U, 0xba02036aU, 0x5ced1682U,
  400. 0x2b8acf1cU, 0x92a779b4U, 0xf0f307f2U, 0xa14e69e2U,
  401. 0xcd65daf4U, 0xd50605beU, 0x1fd13462U, 0x8ac4a6feU,
  402. 0x9d342e53U, 0xa0a2f355U, 0x32058ae1U, 0x75a4f6ebU,
  403. 0x390b83ecU, 0xaa4060efU, 0x065e719fU, 0x51bd6e10U,
  404. 0xf93e218aU, 0x3d96dd06U, 0xaedd3e05U, 0x464de6bdU,
  405. 0xb591548dU, 0x0571c45dU, 0x6f0406d4U, 0xff605015U,
  406. 0x241998fbU, 0x97d6bde9U, 0xcc894043U, 0x7767d99eU,
  407. 0xbdb0e842U, 0x8807898bU, 0x38e7195bU, 0xdb79c8eeU,
  408. 0x47a17c0aU, 0xe97c420fU, 0xc9f8841eU, 0x00000000U,
  409. 0x83098086U, 0x48322bedU, 0xac1e1170U, 0x4e6c5a72U,
  410. 0xfbfd0effU, 0x560f8538U, 0x1e3daed5U, 0x27362d39U,
  411. 0x640a0fd9U, 0x21685ca6U, 0xd19b5b54U, 0x3a24362eU,
  412. 0xb10c0a67U, 0x0f9357e7U, 0xd2b4ee96U, 0x9e1b9b91U,
  413. 0x4f80c0c5U, 0xa261dc20U, 0x695a774bU, 0x161c121aU,
  414. 0x0ae293baU, 0xe5c0a02aU, 0x433c22e0U, 0x1d121b17U,
  415. 0x0b0e090dU, 0xadf28bc7U, 0xb92db6a8U, 0xc8141ea9U,
  416. 0x8557f119U, 0x4caf7507U, 0xbbee99ddU, 0xfda37f60U,
  417. 0x9ff70126U, 0xbc5c72f5U, 0xc544663bU, 0x345bfb7eU,
  418. 0x768b4329U, 0xdccb23c6U, 0x68b6edfcU, 0x63b8e4f1U,
  419. 0xcad731dcU, 0x10426385U, 0x40139722U, 0x2084c611U,
  420. 0x7d854a24U, 0xf8d2bb3dU, 0x11aef932U, 0x6dc729a1U,
  421. 0x4b1d9e2fU, 0xf3dcb230U, 0xec0d8652U, 0xd077c1e3U,
  422. 0x6c2bb316U, 0x99a970b9U, 0xfa119448U, 0x2247e964U,
  423. 0xc4a8fc8cU, 0x1aa0f03fU, 0xd8567d2cU, 0xef223390U,
  424. 0xc787494eU, 0xc1d938d1U, 0xfe8ccaa2U, 0x3698d40bU,
  425. 0xcfa6f581U, 0x28a57adeU, 0x26dab78eU, 0xa43fadbfU,
  426. 0xe42c3a9dU, 0x0d507892U, 0x9b6a5fccU, 0x62547e46U,
  427. 0xc2f68d13U, 0xe890d8b8U, 0x5e2e39f7U, 0xf582c3afU,
  428. 0xbe9f5d80U, 0x7c69d093U, 0xa96fd52dU, 0xb3cf2512U,
  429. 0x3bc8ac99U, 0xa710187dU, 0x6ee89c63U, 0x7bdb3bbbU,
  430. 0x09cd2678U, 0xf46e5918U, 0x01ec9ab7U, 0xa8834f9aU,
  431. 0x65e6956eU, 0x7eaaffe6U, 0x0821bccfU, 0xe6ef15e8U,
  432. 0xd9bae79bU, 0xce4a6f36U, 0xd4ea9f09U, 0xd629b07cU,
  433. 0xaf31a4b2U, 0x312a3f23U, 0x30c6a594U, 0xc035a266U,
  434. 0x37744ebcU, 0xa6fc82caU, 0xb0e090d0U, 0x1533a7d8U,
  435. 0x4af10498U, 0xf741ecdaU, 0x0e7fcd50U, 0x2f1791f6U,
  436. 0x8d764dd6U, 0x4d43efb0U, 0x54ccaa4dU, 0xdfe49604U,
  437. 0xe39ed1b5U, 0x1b4c6a88U, 0xb8c12c1fU, 0x7f466551U,
  438. 0x049d5eeaU, 0x5d018c35U, 0x73fa8774U, 0x2efb0b41U,
  439. 0x5ab3671dU, 0x5292dbd2U, 0x33e91056U, 0x136dd647U,
  440. 0x8c9ad761U, 0x7a37a10cU, 0x8e59f814U, 0x89eb133cU,
  441. 0xeecea927U, 0x35b761c9U, 0xede11ce5U, 0x3c7a47b1U,
  442. 0x599cd2dfU, 0x3f55f273U, 0x791814ceU, 0xbf73c737U,
  443. 0xea53f7cdU, 0x5b5ffdaaU, 0x14df3d6fU, 0x867844dbU,
  444. 0x81caaff3U, 0x3eb968c4U, 0x2c382434U, 0x5fc2a340U,
  445. 0x72161dc3U, 0x0cbce225U, 0x8b283c49U, 0x41ff0d95U,
  446. 0x7139a801U, 0xde080cb3U, 0x9cd8b4e4U, 0x906456c1U,
  447. 0x617bcb84U, 0x70d532b6U, 0x74486c5cU, 0x42d0b857U,
  448. };
  449. static const u32 Td2[256] = {
  450. 0xa75051f4U, 0x65537e41U, 0xa4c31a17U, 0x5e963a27U,
  451. 0x6bcb3babU, 0x45f11f9dU, 0x58abacfaU, 0x03934be3U,
  452. 0xfa552030U, 0x6df6ad76U, 0x769188ccU, 0x4c25f502U,
  453. 0xd7fc4fe5U, 0xcbd7c52aU, 0x44802635U, 0xa38fb562U,
  454. 0x5a49deb1U, 0x1b6725baU, 0x0e9845eaU, 0xc0e15dfeU,
  455. 0x7502c32fU, 0xf012814cU, 0x97a38d46U, 0xf9c66bd3U,
  456. 0x5fe7038fU, 0x9c951592U, 0x7aebbf6dU, 0x59da9552U,
  457. 0x832dd4beU, 0x21d35874U, 0x692949e0U, 0xc8448ec9U,
  458. 0x896a75c2U, 0x7978f48eU, 0x3e6b9958U, 0x71dd27b9U,
  459. 0x4fb6bee1U, 0xad17f088U, 0xac66c920U, 0x3ab47dceU,
  460. 0x4a1863dfU, 0x3182e51aU, 0x33609751U, 0x7f456253U,
  461. 0x77e0b164U, 0xae84bb6bU, 0xa01cfe81U, 0x2b94f908U,
  462. 0x68587048U, 0xfd198f45U, 0x6c8794deU, 0xf8b7527bU,
  463. 0xd323ab73U, 0x02e2724bU, 0x8f57e31fU, 0xab2a6655U,
  464. 0x2807b2ebU, 0xc2032fb5U, 0x7b9a86c5U, 0x08a5d337U,
  465. 0x87f23028U, 0xa5b223bfU, 0x6aba0203U, 0x825ced16U,
  466. 0x1c2b8acfU, 0xb492a779U, 0xf2f0f307U, 0xe2a14e69U,
  467. 0xf4cd65daU, 0xbed50605U, 0x621fd134U, 0xfe8ac4a6U,
  468. 0x539d342eU, 0x55a0a2f3U, 0xe132058aU, 0xeb75a4f6U,
  469. 0xec390b83U, 0xefaa4060U, 0x9f065e71U, 0x1051bd6eU,
  470. 0x8af93e21U, 0x063d96ddU, 0x05aedd3eU, 0xbd464de6U,
  471. 0x8db59154U, 0x5d0571c4U, 0xd46f0406U, 0x15ff6050U,
  472. 0xfb241998U, 0xe997d6bdU, 0x43cc8940U, 0x9e7767d9U,
  473. 0x42bdb0e8U, 0x8b880789U, 0x5b38e719U, 0xeedb79c8U,
  474. 0x0a47a17cU, 0x0fe97c42U, 0x1ec9f884U, 0x00000000U,
  475. 0x86830980U, 0xed48322bU, 0x70ac1e11U, 0x724e6c5aU,
  476. 0xfffbfd0eU, 0x38560f85U, 0xd51e3daeU, 0x3927362dU,
  477. 0xd9640a0fU, 0xa621685cU, 0x54d19b5bU, 0x2e3a2436U,
  478. 0x67b10c0aU, 0xe70f9357U, 0x96d2b4eeU, 0x919e1b9bU,
  479. 0xc54f80c0U, 0x20a261dcU, 0x4b695a77U, 0x1a161c12U,
  480. 0xba0ae293U, 0x2ae5c0a0U, 0xe0433c22U, 0x171d121bU,
  481. 0x0d0b0e09U, 0xc7adf28bU, 0xa8b92db6U, 0xa9c8141eU,
  482. 0x198557f1U, 0x074caf75U, 0xddbbee99U, 0x60fda37fU,
  483. 0x269ff701U, 0xf5bc5c72U, 0x3bc54466U, 0x7e345bfbU,
  484. 0x29768b43U, 0xc6dccb23U, 0xfc68b6edU, 0xf163b8e4U,
  485. 0xdccad731U, 0x85104263U, 0x22401397U, 0x112084c6U,
  486. 0x247d854aU, 0x3df8d2bbU, 0x3211aef9U, 0xa16dc729U,
  487. 0x2f4b1d9eU, 0x30f3dcb2U, 0x52ec0d86U, 0xe3d077c1U,
  488. 0x166c2bb3U, 0xb999a970U, 0x48fa1194U, 0x642247e9U,
  489. 0x8cc4a8fcU, 0x3f1aa0f0U, 0x2cd8567dU, 0x90ef2233U,
  490. 0x4ec78749U, 0xd1c1d938U, 0xa2fe8ccaU, 0x0b3698d4U,
  491. 0x81cfa6f5U, 0xde28a57aU, 0x8e26dab7U, 0xbfa43fadU,
  492. 0x9de42c3aU, 0x920d5078U, 0xcc9b6a5fU, 0x4662547eU,
  493. 0x13c2f68dU, 0xb8e890d8U, 0xf75e2e39U, 0xaff582c3U,
  494. 0x80be9f5dU, 0x937c69d0U, 0x2da96fd5U, 0x12b3cf25U,
  495. 0x993bc8acU, 0x7da71018U, 0x636ee89cU, 0xbb7bdb3bU,
  496. 0x7809cd26U, 0x18f46e59U, 0xb701ec9aU, 0x9aa8834fU,
  497. 0x6e65e695U, 0xe67eaaffU, 0xcf0821bcU, 0xe8e6ef15U,
  498. 0x9bd9bae7U, 0x36ce4a6fU, 0x09d4ea9fU, 0x7cd629b0U,
  499. 0xb2af31a4U, 0x23312a3fU, 0x9430c6a5U, 0x66c035a2U,
  500. 0xbc37744eU, 0xcaa6fc82U, 0xd0b0e090U, 0xd81533a7U,
  501. 0x984af104U, 0xdaf741ecU, 0x500e7fcdU, 0xf62f1791U,
  502. 0xd68d764dU, 0xb04d43efU, 0x4d54ccaaU, 0x04dfe496U,
  503. 0xb5e39ed1U, 0x881b4c6aU, 0x1fb8c12cU, 0x517f4665U,
  504. 0xea049d5eU, 0x355d018cU, 0x7473fa87U, 0x412efb0bU,
  505. 0x1d5ab367U, 0xd25292dbU, 0x5633e910U, 0x47136dd6U,
  506. 0x618c9ad7U, 0x0c7a37a1U, 0x148e59f8U, 0x3c89eb13U,
  507. 0x27eecea9U, 0xc935b761U, 0xe5ede11cU, 0xb13c7a47U,
  508. 0xdf599cd2U, 0x733f55f2U, 0xce791814U, 0x37bf73c7U,
  509. 0xcdea53f7U, 0xaa5b5ffdU, 0x6f14df3dU, 0xdb867844U,
  510. 0xf381caafU, 0xc43eb968U, 0x342c3824U, 0x405fc2a3U,
  511. 0xc372161dU, 0x250cbce2U, 0x498b283cU, 0x9541ff0dU,
  512. 0x017139a8U, 0xb3de080cU, 0xe49cd8b4U, 0xc1906456U,
  513. 0x84617bcbU, 0xb670d532U, 0x5c74486cU, 0x5742d0b8U,
  514. };
  515. static const u32 Td3[256] = {
  516. 0xf4a75051U, 0x4165537eU, 0x17a4c31aU, 0x275e963aU,
  517. 0xab6bcb3bU, 0x9d45f11fU, 0xfa58abacU, 0xe303934bU,
  518. 0x30fa5520U, 0x766df6adU, 0xcc769188U, 0x024c25f5U,
  519. 0xe5d7fc4fU, 0x2acbd7c5U, 0x35448026U, 0x62a38fb5U,
  520. 0xb15a49deU, 0xba1b6725U, 0xea0e9845U, 0xfec0e15dU,
  521. 0x2f7502c3U, 0x4cf01281U, 0x4697a38dU, 0xd3f9c66bU,
  522. 0x8f5fe703U, 0x929c9515U, 0x6d7aebbfU, 0x5259da95U,
  523. 0xbe832dd4U, 0x7421d358U, 0xe0692949U, 0xc9c8448eU,
  524. 0xc2896a75U, 0x8e7978f4U, 0x583e6b99U, 0xb971dd27U,
  525. 0xe14fb6beU, 0x88ad17f0U, 0x20ac66c9U, 0xce3ab47dU,
  526. 0xdf4a1863U, 0x1a3182e5U, 0x51336097U, 0x537f4562U,
  527. 0x6477e0b1U, 0x6bae84bbU, 0x81a01cfeU, 0x082b94f9U,
  528. 0x48685870U, 0x45fd198fU, 0xde6c8794U, 0x7bf8b752U,
  529. 0x73d323abU, 0x4b02e272U, 0x1f8f57e3U, 0x55ab2a66U,
  530. 0xeb2807b2U, 0xb5c2032fU, 0xc57b9a86U, 0x3708a5d3U,
  531. 0x2887f230U, 0xbfa5b223U, 0x036aba02U, 0x16825cedU,
  532. 0xcf1c2b8aU, 0x79b492a7U, 0x07f2f0f3U, 0x69e2a14eU,
  533. 0xdaf4cd65U, 0x05bed506U, 0x34621fd1U, 0xa6fe8ac4U,
  534. 0x2e539d34U, 0xf355a0a2U, 0x8ae13205U, 0xf6eb75a4U,
  535. 0x83ec390bU, 0x60efaa40U, 0x719f065eU, 0x6e1051bdU,
  536. 0x218af93eU, 0xdd063d96U, 0x3e05aeddU, 0xe6bd464dU,
  537. 0x548db591U, 0xc45d0571U, 0x06d46f04U, 0x5015ff60U,
  538. 0x98fb2419U, 0xbde997d6U, 0x4043cc89U, 0xd99e7767U,
  539. 0xe842bdb0U, 0x898b8807U, 0x195b38e7U, 0xc8eedb79U,
  540. 0x7c0a47a1U, 0x420fe97cU, 0x841ec9f8U, 0x00000000U,
  541. 0x80868309U, 0x2bed4832U, 0x1170ac1eU, 0x5a724e6cU,
  542. 0x0efffbfdU, 0x8538560fU, 0xaed51e3dU, 0x2d392736U,
  543. 0x0fd9640aU, 0x5ca62168U, 0x5b54d19bU, 0x362e3a24U,
  544. 0x0a67b10cU, 0x57e70f93U, 0xee96d2b4U, 0x9b919e1bU,
  545. 0xc0c54f80U, 0xdc20a261U, 0x774b695aU, 0x121a161cU,
  546. 0x93ba0ae2U, 0xa02ae5c0U, 0x22e0433cU, 0x1b171d12U,
  547. 0x090d0b0eU, 0x8bc7adf2U, 0xb6a8b92dU, 0x1ea9c814U,
  548. 0xf1198557U, 0x75074cafU, 0x99ddbbeeU, 0x7f60fda3U,
  549. 0x01269ff7U, 0x72f5bc5cU, 0x663bc544U, 0xfb7e345bU,
  550. 0x4329768bU, 0x23c6dccbU, 0xedfc68b6U, 0xe4f163b8U,
  551. 0x31dccad7U, 0x63851042U, 0x97224013U, 0xc6112084U,
  552. 0x4a247d85U, 0xbb3df8d2U, 0xf93211aeU, 0x29a16dc7U,
  553. 0x9e2f4b1dU, 0xb230f3dcU, 0x8652ec0dU, 0xc1e3d077U,
  554. 0xb3166c2bU, 0x70b999a9U, 0x9448fa11U, 0xe9642247U,
  555. 0xfc8cc4a8U, 0xf03f1aa0U, 0x7d2cd856U, 0x3390ef22U,
  556. 0x494ec787U, 0x38d1c1d9U, 0xcaa2fe8cU, 0xd40b3698U,
  557. 0xf581cfa6U, 0x7ade28a5U, 0xb78e26daU, 0xadbfa43fU,
  558. 0x3a9de42cU, 0x78920d50U, 0x5fcc9b6aU, 0x7e466254U,
  559. 0x8d13c2f6U, 0xd8b8e890U, 0x39f75e2eU, 0xc3aff582U,
  560. 0x5d80be9fU, 0xd0937c69U, 0xd52da96fU, 0x2512b3cfU,
  561. 0xac993bc8U, 0x187da710U, 0x9c636ee8U, 0x3bbb7bdbU,
  562. 0x267809cdU, 0x5918f46eU, 0x9ab701ecU, 0x4f9aa883U,
  563. 0x956e65e6U, 0xffe67eaaU, 0xbccf0821U, 0x15e8e6efU,
  564. 0xe79bd9baU, 0x6f36ce4aU, 0x9f09d4eaU, 0xb07cd629U,
  565. 0xa4b2af31U, 0x3f23312aU, 0xa59430c6U, 0xa266c035U,
  566. 0x4ebc3774U, 0x82caa6fcU, 0x90d0b0e0U, 0xa7d81533U,
  567. 0x04984af1U, 0xecdaf741U, 0xcd500e7fU, 0x91f62f17U,
  568. 0x4dd68d76U, 0xefb04d43U, 0xaa4d54ccU, 0x9604dfe4U,
  569. 0xd1b5e39eU, 0x6a881b4cU, 0x2c1fb8c1U, 0x65517f46U,
  570. 0x5eea049dU, 0x8c355d01U, 0x877473faU, 0x0b412efbU,
  571. 0x671d5ab3U, 0xdbd25292U, 0x105633e9U, 0xd647136dU,
  572. 0xd7618c9aU, 0xa10c7a37U, 0xf8148e59U, 0x133c89ebU,
  573. 0xa927eeceU, 0x61c935b7U, 0x1ce5ede1U, 0x47b13c7aU,
  574. 0xd2df599cU, 0xf2733f55U, 0x14ce7918U, 0xc737bf73U,
  575. 0xf7cdea53U, 0xfdaa5b5fU, 0x3d6f14dfU, 0x44db8678U,
  576. 0xaff381caU, 0x68c43eb9U, 0x24342c38U, 0xa3405fc2U,
  577. 0x1dc37216U, 0xe2250cbcU, 0x3c498b28U, 0x0d9541ffU,
  578. 0xa8017139U, 0x0cb3de08U, 0xb4e49cd8U, 0x56c19064U,
  579. 0xcb84617bU, 0x32b670d5U, 0x6c5c7448U, 0xb85742d0U,
  580. };
  581. static const u8 Td4[256] = {
  582. 0x52U, 0x09U, 0x6aU, 0xd5U, 0x30U, 0x36U, 0xa5U, 0x38U,
  583. 0xbfU, 0x40U, 0xa3U, 0x9eU, 0x81U, 0xf3U, 0xd7U, 0xfbU,
  584. 0x7cU, 0xe3U, 0x39U, 0x82U, 0x9bU, 0x2fU, 0xffU, 0x87U,
  585. 0x34U, 0x8eU, 0x43U, 0x44U, 0xc4U, 0xdeU, 0xe9U, 0xcbU,
  586. 0x54U, 0x7bU, 0x94U, 0x32U, 0xa6U, 0xc2U, 0x23U, 0x3dU,
  587. 0xeeU, 0x4cU, 0x95U, 0x0bU, 0x42U, 0xfaU, 0xc3U, 0x4eU,
  588. 0x08U, 0x2eU, 0xa1U, 0x66U, 0x28U, 0xd9U, 0x24U, 0xb2U,
  589. 0x76U, 0x5bU, 0xa2U, 0x49U, 0x6dU, 0x8bU, 0xd1U, 0x25U,
  590. 0x72U, 0xf8U, 0xf6U, 0x64U, 0x86U, 0x68U, 0x98U, 0x16U,
  591. 0xd4U, 0xa4U, 0x5cU, 0xccU, 0x5dU, 0x65U, 0xb6U, 0x92U,
  592. 0x6cU, 0x70U, 0x48U, 0x50U, 0xfdU, 0xedU, 0xb9U, 0xdaU,
  593. 0x5eU, 0x15U, 0x46U, 0x57U, 0xa7U, 0x8dU, 0x9dU, 0x84U,
  594. 0x90U, 0xd8U, 0xabU, 0x00U, 0x8cU, 0xbcU, 0xd3U, 0x0aU,
  595. 0xf7U, 0xe4U, 0x58U, 0x05U, 0xb8U, 0xb3U, 0x45U, 0x06U,
  596. 0xd0U, 0x2cU, 0x1eU, 0x8fU, 0xcaU, 0x3fU, 0x0fU, 0x02U,
  597. 0xc1U, 0xafU, 0xbdU, 0x03U, 0x01U, 0x13U, 0x8aU, 0x6bU,
  598. 0x3aU, 0x91U, 0x11U, 0x41U, 0x4fU, 0x67U, 0xdcU, 0xeaU,
  599. 0x97U, 0xf2U, 0xcfU, 0xceU, 0xf0U, 0xb4U, 0xe6U, 0x73U,
  600. 0x96U, 0xacU, 0x74U, 0x22U, 0xe7U, 0xadU, 0x35U, 0x85U,
  601. 0xe2U, 0xf9U, 0x37U, 0xe8U, 0x1cU, 0x75U, 0xdfU, 0x6eU,
  602. 0x47U, 0xf1U, 0x1aU, 0x71U, 0x1dU, 0x29U, 0xc5U, 0x89U,
  603. 0x6fU, 0xb7U, 0x62U, 0x0eU, 0xaaU, 0x18U, 0xbeU, 0x1bU,
  604. 0xfcU, 0x56U, 0x3eU, 0x4bU, 0xc6U, 0xd2U, 0x79U, 0x20U,
  605. 0x9aU, 0xdbU, 0xc0U, 0xfeU, 0x78U, 0xcdU, 0x5aU, 0xf4U,
  606. 0x1fU, 0xddU, 0xa8U, 0x33U, 0x88U, 0x07U, 0xc7U, 0x31U,
  607. 0xb1U, 0x12U, 0x10U, 0x59U, 0x27U, 0x80U, 0xecU, 0x5fU,
  608. 0x60U, 0x51U, 0x7fU, 0xa9U, 0x19U, 0xb5U, 0x4aU, 0x0dU,
  609. 0x2dU, 0xe5U, 0x7aU, 0x9fU, 0x93U, 0xc9U, 0x9cU, 0xefU,
  610. 0xa0U, 0xe0U, 0x3bU, 0x4dU, 0xaeU, 0x2aU, 0xf5U, 0xb0U,
  611. 0xc8U, 0xebU, 0xbbU, 0x3cU, 0x83U, 0x53U, 0x99U, 0x61U,
  612. 0x17U, 0x2bU, 0x04U, 0x7eU, 0xbaU, 0x77U, 0xd6U, 0x26U,
  613. 0xe1U, 0x69U, 0x14U, 0x63U, 0x55U, 0x21U, 0x0cU, 0x7dU,
  614. };
  615. static const u32 rcon[] = {
  616. 0x01000000, 0x02000000, 0x04000000, 0x08000000,
  617. 0x10000000, 0x20000000, 0x40000000, 0x80000000,
  618. 0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
  619. };
  620. /**
  621. * Expand the cipher key into the encryption key schedule.
  622. */
  623. int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
  624. AES_KEY *key)
  625. {
  626. u32 *rk;
  627. int i = 0;
  628. u32 temp;
  629. if (!userKey || !key)
  630. return -1;
  631. if (bits != 128 && bits != 192 && bits != 256)
  632. return -2;
  633. rk = key->rd_key;
  634. if (bits == 128)
  635. key->rounds = 10;
  636. else if (bits == 192)
  637. key->rounds = 12;
  638. else
  639. key->rounds = 14;
  640. rk[0] = GETU32(userKey );
  641. rk[1] = GETU32(userKey + 4);
  642. rk[2] = GETU32(userKey + 8);
  643. rk[3] = GETU32(userKey + 12);
  644. if (bits == 128) {
  645. while (1) {
  646. temp = rk[3];
  647. rk[4] = rk[0] ^
  648. (Te2[(temp >> 16) & 0xff] & 0xff000000) ^
  649. (Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^
  650. (Te0[(temp ) & 0xff] & 0x0000ff00) ^
  651. (Te1[(temp >> 24) ] & 0x000000ff) ^
  652. rcon[i];
  653. rk[5] = rk[1] ^ rk[4];
  654. rk[6] = rk[2] ^ rk[5];
  655. rk[7] = rk[3] ^ rk[6];
  656. if (++i == 10) {
  657. return 0;
  658. }
  659. rk += 4;
  660. }
  661. }
  662. rk[4] = GETU32(userKey + 16);
  663. rk[5] = GETU32(userKey + 20);
  664. if (bits == 192) {
  665. while (1) {
  666. temp = rk[ 5];
  667. rk[ 6] = rk[ 0] ^
  668. (Te2[(temp >> 16) & 0xff] & 0xff000000) ^
  669. (Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^
  670. (Te0[(temp ) & 0xff] & 0x0000ff00) ^
  671. (Te1[(temp >> 24) ] & 0x000000ff) ^
  672. rcon[i];
  673. rk[ 7] = rk[ 1] ^ rk[ 6];
  674. rk[ 8] = rk[ 2] ^ rk[ 7];
  675. rk[ 9] = rk[ 3] ^ rk[ 8];
  676. if (++i == 8) {
  677. return 0;
  678. }
  679. rk[10] = rk[ 4] ^ rk[ 9];
  680. rk[11] = rk[ 5] ^ rk[10];
  681. rk += 6;
  682. }
  683. }
  684. rk[6] = GETU32(userKey + 24);
  685. rk[7] = GETU32(userKey + 28);
  686. if (bits == 256) {
  687. while (1) {
  688. temp = rk[ 7];
  689. rk[ 8] = rk[ 0] ^
  690. (Te2[(temp >> 16) & 0xff] & 0xff000000) ^
  691. (Te3[(temp >> 8) & 0xff] & 0x00ff0000) ^
  692. (Te0[(temp ) & 0xff] & 0x0000ff00) ^
  693. (Te1[(temp >> 24) ] & 0x000000ff) ^
  694. rcon[i];
  695. rk[ 9] = rk[ 1] ^ rk[ 8];
  696. rk[10] = rk[ 2] ^ rk[ 9];
  697. rk[11] = rk[ 3] ^ rk[10];
  698. if (++i == 7) {
  699. return 0;
  700. }
  701. temp = rk[11];
  702. rk[12] = rk[ 4] ^
  703. (Te2[(temp >> 24) ] & 0xff000000) ^
  704. (Te3[(temp >> 16) & 0xff] & 0x00ff0000) ^
  705. (Te0[(temp >> 8) & 0xff] & 0x0000ff00) ^
  706. (Te1[(temp ) & 0xff] & 0x000000ff);
  707. rk[13] = rk[ 5] ^ rk[12];
  708. rk[14] = rk[ 6] ^ rk[13];
  709. rk[15] = rk[ 7] ^ rk[14];
  710. rk += 8;
  711. }
  712. }
  713. return 0;
  714. }
  715. /**
  716. * Expand the cipher key into the decryption key schedule.
  717. */
  718. int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
  719. AES_KEY *key)
  720. {
  721. u32 *rk;
  722. int i, j, status;
  723. u32 temp;
  724. /* first, start with an encryption schedule */
  725. status = AES_set_encrypt_key(userKey, bits, key);
  726. if (status < 0)
  727. return status;
  728. rk = key->rd_key;
  729. /* invert the order of the round keys: */
  730. for (i = 0, j = 4*(key->rounds); i < j; i += 4, j -= 4) {
  731. temp = rk[i ]; rk[i ] = rk[j ]; rk[j ] = temp;
  732. temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp;
  733. temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp;
  734. temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp;
  735. }
  736. /* apply the inverse MixColumn transform to all round keys but the first and the last: */
  737. for (i = 1; i < (key->rounds); i++) {
  738. rk += 4;
  739. rk[0] =
  740. Td0[Te1[(rk[0] >> 24) ] & 0xff] ^
  741. Td1[Te1[(rk[0] >> 16) & 0xff] & 0xff] ^
  742. Td2[Te1[(rk[0] >> 8) & 0xff] & 0xff] ^
  743. Td3[Te1[(rk[0] ) & 0xff] & 0xff];
  744. rk[1] =
  745. Td0[Te1[(rk[1] >> 24) ] & 0xff] ^
  746. Td1[Te1[(rk[1] >> 16) & 0xff] & 0xff] ^
  747. Td2[Te1[(rk[1] >> 8) & 0xff] & 0xff] ^
  748. Td3[Te1[(rk[1] ) & 0xff] & 0xff];
  749. rk[2] =
  750. Td0[Te1[(rk[2] >> 24) ] & 0xff] ^
  751. Td1[Te1[(rk[2] >> 16) & 0xff] & 0xff] ^
  752. Td2[Te1[(rk[2] >> 8) & 0xff] & 0xff] ^
  753. Td3[Te1[(rk[2] ) & 0xff] & 0xff];
  754. rk[3] =
  755. Td0[Te1[(rk[3] >> 24) ] & 0xff] ^
  756. Td1[Te1[(rk[3] >> 16) & 0xff] & 0xff] ^
  757. Td2[Te1[(rk[3] >> 8) & 0xff] & 0xff] ^
  758. Td3[Te1[(rk[3] ) & 0xff] & 0xff];
  759. }
  760. return 0;
  761. }
  762. /*
  763. * Encrypt a single block
  764. * in and out can overlap
  765. */
  766. void AES_encrypt(const unsigned char *in, unsigned char *out,
  767. const AES_KEY *key) {
  768. const u32 *rk;
  769. u32 s0, s1, s2, s3, t0, t1, t2, t3;
  770. #ifndef FULL_UNROLL
  771. int r;
  772. #endif /* ?FULL_UNROLL */
  773. assert(in && out && key);
  774. rk = key->rd_key;
  775. /*
  776. * map byte array block to cipher state
  777. * and add initial round key:
  778. */
  779. s0 = GETU32(in ) ^ rk[0];
  780. s1 = GETU32(in + 4) ^ rk[1];
  781. s2 = GETU32(in + 8) ^ rk[2];
  782. s3 = GETU32(in + 12) ^ rk[3];
  783. #ifdef FULL_UNROLL
  784. /* round 1: */
  785. t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[ 4];
  786. t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[ 5];
  787. t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[ 6];
  788. t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[ 7];
  789. /* round 2: */
  790. s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[ 8];
  791. s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[ 9];
  792. s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[10];
  793. s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[11];
  794. /* round 3: */
  795. t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[12];
  796. t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[13];
  797. t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[14];
  798. t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[15];
  799. /* round 4: */
  800. s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[16];
  801. s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[17];
  802. s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[18];
  803. s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[19];
  804. /* round 5: */
  805. t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[20];
  806. t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[21];
  807. t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[22];
  808. t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[23];
  809. /* round 6: */
  810. s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[24];
  811. s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[25];
  812. s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[26];
  813. s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[27];
  814. /* round 7: */
  815. t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[28];
  816. t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[29];
  817. t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[30];
  818. t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[31];
  819. /* round 8: */
  820. s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[32];
  821. s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[33];
  822. s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[34];
  823. s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[35];
  824. /* round 9: */
  825. t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[36];
  826. t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[37];
  827. t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[38];
  828. t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[39];
  829. if (key->rounds > 10) {
  830. /* round 10: */
  831. s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[40];
  832. s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[41];
  833. s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[42];
  834. s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[43];
  835. /* round 11: */
  836. t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[44];
  837. t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[45];
  838. t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[46];
  839. t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[47];
  840. if (key->rounds > 12) {
  841. /* round 12: */
  842. s0 = Te0[t0 >> 24] ^ Te1[(t1 >> 16) & 0xff] ^ Te2[(t2 >> 8) & 0xff] ^ Te3[t3 & 0xff] ^ rk[48];
  843. s1 = Te0[t1 >> 24] ^ Te1[(t2 >> 16) & 0xff] ^ Te2[(t3 >> 8) & 0xff] ^ Te3[t0 & 0xff] ^ rk[49];
  844. s2 = Te0[t2 >> 24] ^ Te1[(t3 >> 16) & 0xff] ^ Te2[(t0 >> 8) & 0xff] ^ Te3[t1 & 0xff] ^ rk[50];
  845. s3 = Te0[t3 >> 24] ^ Te1[(t0 >> 16) & 0xff] ^ Te2[(t1 >> 8) & 0xff] ^ Te3[t2 & 0xff] ^ rk[51];
  846. /* round 13: */
  847. t0 = Te0[s0 >> 24] ^ Te1[(s1 >> 16) & 0xff] ^ Te2[(s2 >> 8) & 0xff] ^ Te3[s3 & 0xff] ^ rk[52];
  848. t1 = Te0[s1 >> 24] ^ Te1[(s2 >> 16) & 0xff] ^ Te2[(s3 >> 8) & 0xff] ^ Te3[s0 & 0xff] ^ rk[53];
  849. t2 = Te0[s2 >> 24] ^ Te1[(s3 >> 16) & 0xff] ^ Te2[(s0 >> 8) & 0xff] ^ Te3[s1 & 0xff] ^ rk[54];
  850. t3 = Te0[s3 >> 24] ^ Te1[(s0 >> 16) & 0xff] ^ Te2[(s1 >> 8) & 0xff] ^ Te3[s2 & 0xff] ^ rk[55];
  851. }
  852. }
  853. rk += key->rounds << 2;
  854. #else /* !FULL_UNROLL */
  855. /*
  856. * Nr - 1 full rounds:
  857. */
  858. r = key->rounds >> 1;
  859. for (;;) {
  860. t0 =
  861. Te0[(s0 >> 24) ] ^
  862. Te1[(s1 >> 16) & 0xff] ^
  863. Te2[(s2 >> 8) & 0xff] ^
  864. Te3[(s3 ) & 0xff] ^
  865. rk[4];
  866. t1 =
  867. Te0[(s1 >> 24) ] ^
  868. Te1[(s2 >> 16) & 0xff] ^
  869. Te2[(s3 >> 8) & 0xff] ^
  870. Te3[(s0 ) & 0xff] ^
  871. rk[5];
  872. t2 =
  873. Te0[(s2 >> 24) ] ^
  874. Te1[(s3 >> 16) & 0xff] ^
  875. Te2[(s0 >> 8) & 0xff] ^
  876. Te3[(s1 ) & 0xff] ^
  877. rk[6];
  878. t3 =
  879. Te0[(s3 >> 24) ] ^
  880. Te1[(s0 >> 16) & 0xff] ^
  881. Te2[(s1 >> 8) & 0xff] ^
  882. Te3[(s2 ) & 0xff] ^
  883. rk[7];
  884. rk += 8;
  885. if (--r == 0) {
  886. break;
  887. }
  888. s0 =
  889. Te0[(t0 >> 24) ] ^
  890. Te1[(t1 >> 16) & 0xff] ^
  891. Te2[(t2 >> 8) & 0xff] ^
  892. Te3[(t3 ) & 0xff] ^
  893. rk[0];
  894. s1 =
  895. Te0[(t1 >> 24) ] ^
  896. Te1[(t2 >> 16) & 0xff] ^
  897. Te2[(t3 >> 8) & 0xff] ^
  898. Te3[(t0 ) & 0xff] ^
  899. rk[1];
  900. s2 =
  901. Te0[(t2 >> 24) ] ^
  902. Te1[(t3 >> 16) & 0xff] ^
  903. Te2[(t0 >> 8) & 0xff] ^
  904. Te3[(t1 ) & 0xff] ^
  905. rk[2];
  906. s3 =
  907. Te0[(t3 >> 24) ] ^
  908. Te1[(t0 >> 16) & 0xff] ^
  909. Te2[(t1 >> 8) & 0xff] ^
  910. Te3[(t2 ) & 0xff] ^
  911. rk[3];
  912. }
  913. #endif /* ?FULL_UNROLL */
  914. /*
  915. * apply last round and
  916. * map cipher state to byte array block:
  917. */
  918. s0 =
  919. (Te2[(t0 >> 24) ] & 0xff000000) ^
  920. (Te3[(t1 >> 16) & 0xff] & 0x00ff0000) ^
  921. (Te0[(t2 >> 8) & 0xff] & 0x0000ff00) ^
  922. (Te1[(t3 ) & 0xff] & 0x000000ff) ^
  923. rk[0];
  924. PUTU32(out , s0);
  925. s1 =
  926. (Te2[(t1 >> 24) ] & 0xff000000) ^
  927. (Te3[(t2 >> 16) & 0xff] & 0x00ff0000) ^
  928. (Te0[(t3 >> 8) & 0xff] & 0x0000ff00) ^
  929. (Te1[(t0 ) & 0xff] & 0x000000ff) ^
  930. rk[1];
  931. PUTU32(out + 4, s1);
  932. s2 =
  933. (Te2[(t2 >> 24) ] & 0xff000000) ^
  934. (Te3[(t3 >> 16) & 0xff] & 0x00ff0000) ^
  935. (Te0[(t0 >> 8) & 0xff] & 0x0000ff00) ^
  936. (Te1[(t1 ) & 0xff] & 0x000000ff) ^
  937. rk[2];
  938. PUTU32(out + 8, s2);
  939. s3 =
  940. (Te2[(t3 >> 24) ] & 0xff000000) ^
  941. (Te3[(t0 >> 16) & 0xff] & 0x00ff0000) ^
  942. (Te0[(t1 >> 8) & 0xff] & 0x0000ff00) ^
  943. (Te1[(t2 ) & 0xff] & 0x000000ff) ^
  944. rk[3];
  945. PUTU32(out + 12, s3);
  946. }
  947. /*
  948. * Decrypt a single block
  949. * in and out can overlap
  950. */
  951. void AES_decrypt(const unsigned char *in, unsigned char *out,
  952. const AES_KEY *key)
  953. {
  954. const u32 *rk;
  955. u32 s0, s1, s2, s3, t0, t1, t2, t3;
  956. #ifndef FULL_UNROLL
  957. int r;
  958. #endif /* ?FULL_UNROLL */
  959. assert(in && out && key);
  960. rk = key->rd_key;
  961. /*
  962. * map byte array block to cipher state
  963. * and add initial round key:
  964. */
  965. s0 = GETU32(in ) ^ rk[0];
  966. s1 = GETU32(in + 4) ^ rk[1];
  967. s2 = GETU32(in + 8) ^ rk[2];
  968. s3 = GETU32(in + 12) ^ rk[3];
  969. #ifdef FULL_UNROLL
  970. /* round 1: */
  971. t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[ 4];
  972. t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[ 5];
  973. t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[ 6];
  974. t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[ 7];
  975. /* round 2: */
  976. s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[ 8];
  977. s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[ 9];
  978. s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[10];
  979. s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[11];
  980. /* round 3: */
  981. t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[12];
  982. t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[13];
  983. t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[14];
  984. t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[15];
  985. /* round 4: */
  986. s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[16];
  987. s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[17];
  988. s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[18];
  989. s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[19];
  990. /* round 5: */
  991. t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[20];
  992. t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[21];
  993. t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[22];
  994. t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[23];
  995. /* round 6: */
  996. s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[24];
  997. s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[25];
  998. s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[26];
  999. s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[27];
  1000. /* round 7: */
  1001. t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[28];
  1002. t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[29];
  1003. t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[30];
  1004. t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[31];
  1005. /* round 8: */
  1006. s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[32];
  1007. s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[33];
  1008. s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[34];
  1009. s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[35];
  1010. /* round 9: */
  1011. t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[36];
  1012. t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[37];
  1013. t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[38];
  1014. t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[39];
  1015. if (key->rounds > 10) {
  1016. /* round 10: */
  1017. s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[40];
  1018. s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[41];
  1019. s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[42];
  1020. s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[43];
  1021. /* round 11: */
  1022. t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[44];
  1023. t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[45];
  1024. t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[46];
  1025. t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[47];
  1026. if (key->rounds > 12) {
  1027. /* round 12: */
  1028. s0 = Td0[t0 >> 24] ^ Td1[(t3 >> 16) & 0xff] ^ Td2[(t2 >> 8) & 0xff] ^ Td3[t1 & 0xff] ^ rk[48];
  1029. s1 = Td0[t1 >> 24] ^ Td1[(t0 >> 16) & 0xff] ^ Td2[(t3 >> 8) & 0xff] ^ Td3[t2 & 0xff] ^ rk[49];
  1030. s2 = Td0[t2 >> 24] ^ Td1[(t1 >> 16) & 0xff] ^ Td2[(t0 >> 8) & 0xff] ^ Td3[t3 & 0xff] ^ rk[50];
  1031. s3 = Td0[t3 >> 24] ^ Td1[(t2 >> 16) & 0xff] ^ Td2[(t1 >> 8) & 0xff] ^ Td3[t0 & 0xff] ^ rk[51];
  1032. /* round 13: */
  1033. t0 = Td0[s0 >> 24] ^ Td1[(s3 >> 16) & 0xff] ^ Td2[(s2 >> 8) & 0xff] ^ Td3[s1 & 0xff] ^ rk[52];
  1034. t1 = Td0[s1 >> 24] ^ Td1[(s0 >> 16) & 0xff] ^ Td2[(s3 >> 8) & 0xff] ^ Td3[s2 & 0xff] ^ rk[53];
  1035. t2 = Td0[s2 >> 24] ^ Td1[(s1 >> 16) & 0xff] ^ Td2[(s0 >> 8) & 0xff] ^ Td3[s3 & 0xff] ^ rk[54];
  1036. t3 = Td0[s3 >> 24] ^ Td1[(s2 >> 16) & 0xff] ^ Td2[(s1 >> 8) & 0xff] ^ Td3[s0 & 0xff] ^ rk[55];
  1037. }
  1038. }
  1039. rk += key->rounds << 2;
  1040. #else /* !FULL_UNROLL */
  1041. /*
  1042. * Nr - 1 full rounds:
  1043. */
  1044. r = key->rounds >> 1;
  1045. for (;;) {
  1046. t0 =
  1047. Td0[(s0 >> 24) ] ^
  1048. Td1[(s3 >> 16) & 0xff] ^
  1049. Td2[(s2 >> 8) & 0xff] ^
  1050. Td3[(s1 ) & 0xff] ^
  1051. rk[4];
  1052. t1 =
  1053. Td0[(s1 >> 24) ] ^
  1054. Td1[(s0 >> 16) & 0xff] ^
  1055. Td2[(s3 >> 8) & 0xff] ^
  1056. Td3[(s2 ) & 0xff] ^
  1057. rk[5];
  1058. t2 =
  1059. Td0[(s2 >> 24) ] ^
  1060. Td1[(s1 >> 16) & 0xff] ^
  1061. Td2[(s0 >> 8) & 0xff] ^
  1062. Td3[(s3 ) & 0xff] ^
  1063. rk[6];
  1064. t3 =
  1065. Td0[(s3 >> 24) ] ^
  1066. Td1[(s2 >> 16) & 0xff] ^
  1067. Td2[(s1 >> 8) & 0xff] ^
  1068. Td3[(s0 ) & 0xff] ^
  1069. rk[7];
  1070. rk += 8;
  1071. if (--r == 0) {
  1072. break;
  1073. }
  1074. s0 =
  1075. Td0[(t0 >> 24) ] ^
  1076. Td1[(t3 >> 16) & 0xff] ^
  1077. Td2[(t2 >> 8) & 0xff] ^
  1078. Td3[(t1 ) & 0xff] ^
  1079. rk[0];
  1080. s1 =
  1081. Td0[(t1 >> 24) ] ^
  1082. Td1[(t0 >> 16) & 0xff] ^
  1083. Td2[(t3 >> 8) & 0xff] ^
  1084. Td3[(t2 ) & 0xff] ^
  1085. rk[1];
  1086. s2 =
  1087. Td0[(t2 >> 24) ] ^
  1088. Td1[(t1 >> 16) & 0xff] ^
  1089. Td2[(t0 >> 8) & 0xff] ^
  1090. Td3[(t3 ) & 0xff] ^
  1091. rk[2];
  1092. s3 =
  1093. Td0[(t3 >> 24) ] ^
  1094. Td1[(t2 >> 16) & 0xff] ^
  1095. Td2[(t1 >> 8) & 0xff] ^
  1096. Td3[(t0 ) & 0xff] ^
  1097. rk[3];
  1098. }
  1099. #endif /* ?FULL_UNROLL */
  1100. /*
  1101. * apply last round and
  1102. * map cipher state to byte array block:
  1103. */
  1104. s0 =
  1105. ((u32)Td4[(t0 >> 24) ] << 24) ^
  1106. ((u32)Td4[(t3 >> 16) & 0xff] << 16) ^
  1107. ((u32)Td4[(t2 >> 8) & 0xff] << 8) ^
  1108. ((u32)Td4[(t1 ) & 0xff]) ^
  1109. rk[0];
  1110. PUTU32(out , s0);
  1111. s1 =
  1112. ((u32)Td4[(t1 >> 24) ] << 24) ^
  1113. ((u32)Td4[(t0 >> 16) & 0xff] << 16) ^
  1114. ((u32)Td4[(t3 >> 8) & 0xff] << 8) ^
  1115. ((u32)Td4[(t2 ) & 0xff]) ^
  1116. rk[1];
  1117. PUTU32(out + 4, s1);
  1118. s2 =
  1119. ((u32)Td4[(t2 >> 24) ] << 24) ^
  1120. ((u32)Td4[(t1 >> 16) & 0xff] << 16) ^
  1121. ((u32)Td4[(t0 >> 8) & 0xff] << 8) ^
  1122. ((u32)Td4[(t3 ) & 0xff]) ^
  1123. rk[2];
  1124. PUTU32(out + 8, s2);
  1125. s3 =
  1126. ((u32)Td4[(t3 >> 24) ] << 24) ^
  1127. ((u32)Td4[(t2 >> 16) & 0xff] << 16) ^
  1128. ((u32)Td4[(t1 >> 8) & 0xff] << 8) ^
  1129. ((u32)Td4[(t0 ) & 0xff]) ^
  1130. rk[3];
  1131. PUTU32(out + 12, s3);
  1132. }
  1133. #else /* AES_ASM */
  1134. static const u8 Te4[256] = {
  1135. 0x63U, 0x7cU, 0x77U, 0x7bU, 0xf2U, 0x6bU, 0x6fU, 0xc5U,
  1136. 0x30U, 0x01U, 0x67U, 0x2bU, 0xfeU, 0xd7U, 0xabU, 0x76U,
  1137. 0xcaU, 0x82U, 0xc9U, 0x7dU, 0xfaU, 0x59U, 0x47U, 0xf0U,
  1138. 0xadU, 0xd4U, 0xa2U, 0xafU, 0x9cU, 0xa4U, 0x72U, 0xc0U,
  1139. 0xb7U, 0xfdU, 0x93U, 0x26U, 0x36U, 0x3fU, 0xf7U, 0xccU,
  1140. 0x34U, 0xa5U, 0xe5U, 0xf1U, 0x71U, 0xd8U, 0x31U, 0x15U,
  1141. 0x04U, 0xc7U, 0x23U, 0xc3U, 0x18U, 0x96U, 0x05U, 0x9aU,
  1142. 0x07U, 0x12U, 0x80U, 0xe2U, 0xebU, 0x27U, 0xb2U, 0x75U,
  1143. 0x09U, 0x83U, 0x2cU, 0x1aU, 0x1bU, 0x6eU, 0x5aU, 0xa0U,
  1144. 0x52U, 0x3bU, 0xd6U, 0xb3U, 0x29U, 0xe3U, 0x2fU, 0x84U,
  1145. 0x53U, 0xd1U, 0x00U, 0xedU, 0x20U, 0xfcU, 0xb1U, 0x5bU,
  1146. 0x6aU, 0xcbU, 0xbeU, 0x39U, 0x4aU, 0x4cU, 0x58U, 0xcfU,
  1147. 0xd0U, 0xefU, 0xaaU, 0xfbU, 0x43U, 0x4dU, 0x33U, 0x85U,
  1148. 0x45U, 0xf9U, 0x02U, 0x7fU, 0x50U, 0x3cU, 0x9fU, 0xa8U,
  1149. 0x51U, 0xa3U, 0x40U, 0x8fU, 0x92U, 0x9dU, 0x38U, 0xf5U,
  1150. 0xbcU, 0xb6U, 0xdaU, 0x21U, 0x10U, 0xffU, 0xf3U, 0xd2U,
  1151. 0xcdU, 0x0cU, 0x13U, 0xecU, 0x5fU, 0x97U, 0x44U, 0x17U,
  1152. 0xc4U, 0xa7U, 0x7eU, 0x3dU, 0x64U, 0x5dU, 0x19U, 0x73U,
  1153. 0x60U, 0x81U, 0x4fU, 0xdcU, 0x22U, 0x2aU, 0x90U, 0x88U,
  1154. 0x46U, 0xeeU, 0xb8U, 0x14U, 0xdeU, 0x5eU, 0x0bU, 0xdbU,
  1155. 0xe0U, 0x32U, 0x3aU, 0x0aU, 0x49U, 0x06U, 0x24U, 0x5cU,
  1156. 0xc2U, 0xd3U, 0xacU, 0x62U, 0x91U, 0x95U, 0xe4U, 0x79U,
  1157. 0xe7U, 0xc8U, 0x37U, 0x6dU, 0x8dU, 0xd5U, 0x4eU, 0xa9U,
  1158. 0x6cU, 0x56U, 0xf4U, 0xeaU, 0x65U, 0x7aU, 0xaeU, 0x08U,
  1159. 0xbaU, 0x78U, 0x25U, 0x2eU, 0x1cU, 0xa6U, 0xb4U, 0xc6U,
  1160. 0xe8U, 0xddU, 0x74U, 0x1fU, 0x4bU, 0xbdU, 0x8bU, 0x8aU,
  1161. 0x70U, 0x3eU, 0xb5U, 0x66U, 0x48U, 0x03U, 0xf6U, 0x0eU,
  1162. 0x61U, 0x35U, 0x57U, 0xb9U, 0x86U, 0xc1U, 0x1dU, 0x9eU,
  1163. 0xe1U, 0xf8U, 0x98U, 0x11U, 0x69U, 0xd9U, 0x8eU, 0x94U,
  1164. 0x9bU, 0x1eU, 0x87U, 0xe9U, 0xceU, 0x55U, 0x28U, 0xdfU,
  1165. 0x8cU, 0xa1U, 0x89U, 0x0dU, 0xbfU, 0xe6U, 0x42U, 0x68U,
  1166. 0x41U, 0x99U, 0x2dU, 0x0fU, 0xb0U, 0x54U, 0xbbU, 0x16U
  1167. };
  1168. static const u32 rcon[] = {
  1169. 0x01000000, 0x02000000, 0x04000000, 0x08000000,
  1170. 0x10000000, 0x20000000, 0x40000000, 0x80000000,
  1171. 0x1B000000, 0x36000000, /* for 128-bit blocks, Rijndael never uses more than 10 rcon values */
  1172. };
  1173. /**
  1174. * Expand the cipher key into the encryption key schedule.
  1175. */
  1176. int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
  1177. AES_KEY *key)
  1178. {
  1179. u32 *rk;
  1180. int i = 0;
  1181. u32 temp;
  1182. if (!userKey || !key)
  1183. return -1;
  1184. if (bits != 128 && bits != 192 && bits != 256)
  1185. return -2;
  1186. rk = key->rd_key;
  1187. if (bits == 128)
  1188. key->rounds = 10;
  1189. else if (bits == 192)
  1190. key->rounds = 12;
  1191. else
  1192. key->rounds = 14;
  1193. rk[0] = GETU32(userKey );
  1194. rk[1] = GETU32(userKey + 4);
  1195. rk[2] = GETU32(userKey + 8);
  1196. rk[3] = GETU32(userKey + 12);
  1197. if (bits == 128) {
  1198. while (1) {
  1199. temp = rk[3];
  1200. rk[4] = rk[0] ^
  1201. ((u32)Te4[(temp >> 16) & 0xff] << 24) ^
  1202. ((u32)Te4[(temp >> 8) & 0xff] << 16) ^
  1203. ((u32)Te4[(temp ) & 0xff] << 8) ^
  1204. ((u32)Te4[(temp >> 24) ]) ^
  1205. rcon[i];
  1206. rk[5] = rk[1] ^ rk[4];
  1207. rk[6] = rk[2] ^ rk[5];
  1208. rk[7] = rk[3] ^ rk[6];
  1209. if (++i == 10) {
  1210. return 0;
  1211. }
  1212. rk += 4;
  1213. }
  1214. }
  1215. rk[4] = GETU32(userKey + 16);
  1216. rk[5] = GETU32(userKey + 20);
  1217. if (bits == 192) {
  1218. while (1) {
  1219. temp = rk[ 5];
  1220. rk[ 6] = rk[ 0] ^
  1221. ((u32)Te4[(temp >> 16) & 0xff] << 24) ^
  1222. ((u32)Te4[(temp >> 8) & 0xff] << 16) ^
  1223. ((u32)Te4[(temp ) & 0xff] << 8) ^
  1224. ((u32)Te4[(temp >> 24) ]) ^
  1225. rcon[i];
  1226. rk[ 7] = rk[ 1] ^ rk[ 6];
  1227. rk[ 8] = rk[ 2] ^ rk[ 7];
  1228. rk[ 9] = rk[ 3] ^ rk[ 8];
  1229. if (++i == 8) {
  1230. return 0;
  1231. }
  1232. rk[10] = rk[ 4] ^ rk[ 9];
  1233. rk[11] = rk[ 5] ^ rk[10];
  1234. rk += 6;
  1235. }
  1236. }
  1237. rk[6] = GETU32(userKey + 24);
  1238. rk[7] = GETU32(userKey + 28);
  1239. if (bits == 256) {
  1240. while (1) {
  1241. temp = rk[ 7];
  1242. rk[ 8] = rk[ 0] ^
  1243. ((u32)Te4[(temp >> 16) & 0xff] << 24) ^
  1244. ((u32)Te4[(temp >> 8) & 0xff] << 16) ^
  1245. ((u32)Te4[(temp ) & 0xff] << 8) ^
  1246. ((u32)Te4[(temp >> 24) ]) ^
  1247. rcon[i];
  1248. rk[ 9] = rk[ 1] ^ rk[ 8];
  1249. rk[10] = rk[ 2] ^ rk[ 9];
  1250. rk[11] = rk[ 3] ^ rk[10];
  1251. if (++i == 7) {
  1252. return 0;
  1253. }
  1254. temp = rk[11];
  1255. rk[12] = rk[ 4] ^
  1256. ((u32)Te4[(temp >> 24) ] << 24) ^
  1257. ((u32)Te4[(temp >> 16) & 0xff] << 16) ^
  1258. ((u32)Te4[(temp >> 8) & 0xff] << 8) ^
  1259. ((u32)Te4[(temp ) & 0xff]);
  1260. rk[13] = rk[ 5] ^ rk[12];
  1261. rk[14] = rk[ 6] ^ rk[13];
  1262. rk[15] = rk[ 7] ^ rk[14];
  1263. rk += 8;
  1264. }
  1265. }
  1266. return 0;
  1267. }
  1268. /**
  1269. * Expand the cipher key into the decryption key schedule.
  1270. */
  1271. int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
  1272. AES_KEY *key)
  1273. {
  1274. u32 *rk;
  1275. int i, j, status;
  1276. u32 temp;
  1277. /* first, start with an encryption schedule */
  1278. status = AES_set_encrypt_key(userKey, bits, key);
  1279. if (status < 0)
  1280. return status;
  1281. rk = key->rd_key;
  1282. /* invert the order of the round keys: */
  1283. for (i = 0, j = 4*(key->rounds); i < j; i += 4, j -= 4) {
  1284. temp = rk[i ]; rk[i ] = rk[j ]; rk[j ] = temp;
  1285. temp = rk[i + 1]; rk[i + 1] = rk[j + 1]; rk[j + 1] = temp;
  1286. temp = rk[i + 2]; rk[i + 2] = rk[j + 2]; rk[j + 2] = temp;
  1287. temp = rk[i + 3]; rk[i + 3] = rk[j + 3]; rk[j + 3] = temp;
  1288. }
  1289. /* apply the inverse MixColumn transform to all round keys but the first and the last: */
  1290. for (i = 1; i < (key->rounds); i++) {
  1291. rk += 4;
  1292. for (j = 0; j < 4; j++) {
  1293. u32 tp1, tp2, tp4, tp8, tp9, tpb, tpd, tpe, m;
  1294. tp1 = rk[j];
  1295. m = tp1 & 0x80808080;
  1296. tp2 = ((tp1 & 0x7f7f7f7f) << 1) ^
  1297. ((m - (m >> 7)) & 0x1b1b1b1b);
  1298. m = tp2 & 0x80808080;
  1299. tp4 = ((tp2 & 0x7f7f7f7f) << 1) ^
  1300. ((m - (m >> 7)) & 0x1b1b1b1b);
  1301. m = tp4 & 0x80808080;
  1302. tp8 = ((tp4 & 0x7f7f7f7f) << 1) ^
  1303. ((m - (m >> 7)) & 0x1b1b1b1b);
  1304. tp9 = tp8 ^ tp1;
  1305. tpb = tp9 ^ tp2;
  1306. tpd = tp9 ^ tp4;
  1307. tpe = tp8 ^ tp4 ^ tp2;
  1308. #if defined(ROTATE)
  1309. rk[j] = tpe ^ ROTATE(tpd,16) ^
  1310. ROTATE(tp9,24) ^ ROTATE(tpb,8);
  1311. #else
  1312. rk[j] = tpe ^ (tpd >> 16) ^ (tpd << 16) ^
  1313. (tp9 >> 8) ^ (tp9 << 24) ^
  1314. (tpb >> 24) ^ (tpb << 8);
  1315. #endif
  1316. }
  1317. }
  1318. return 0;
  1319. }
  1320. #endif /* AES_ASM */