camellia.c 59 KB

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  1. /* camellia.c ver 1.2.0
  2. *
  3. * Copyright (c) 2006,2007
  4. * NTT (Nippon Telegraph and Telephone Corporation) . All rights reserved.
  5. *
  6. * Redistribution and use in source and binary forms, with or without
  7. * modification, are permitted provided that the following conditions
  8. * are met:
  9. * 1. Redistributions of source code must retain the above copyright
  10. * notice, this list of conditions and the following disclaimer as
  11. * the first lines of this file unmodified.
  12. * 2. Redistributions in binary form must reproduce the above copyright
  13. * notice, this list of conditions and the following disclaimer in the
  14. * documentation and/or other materials provided with the distribution.
  15. *
  16. * THIS SOFTWARE IS PROVIDED BY NTT ``AS IS'' AND ANY EXPRESS OR
  17. * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18. * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19. * IN NO EVENT SHALL NTT BE LIABLE FOR ANY DIRECT, INDIRECT,
  20. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21. * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22. * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23. * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25. * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26. */
  27. /* camellia.c
  28. *
  29. * Copyright (C) 2006-2020 wolfSSL Inc.
  30. *
  31. * This file is part of wolfSSL.
  32. *
  33. * wolfSSL is free software; you can redistribute it and/or modify
  34. * it under the terms of the GNU General Public License as published by
  35. * the Free Software Foundation; either version 2 of the License, or
  36. * (at your option) any later version.
  37. *
  38. * wolfSSL is distributed in the hope that it will be useful,
  39. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  40. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  41. * GNU General Public License for more details.
  42. *
  43. * You should have received a copy of the GNU General Public License
  44. * along with this program; if not, write to the Free Software
  45. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
  46. */
  47. /*
  48. * Algorithm Specification
  49. * http://info.isl.ntt.co.jp/crypt/eng/camellia/specifications.html
  50. */
  51. #ifdef HAVE_CONFIG_H
  52. #include <config.h>
  53. #endif
  54. #include <wolfssl/wolfcrypt/settings.h>
  55. #ifdef HAVE_CAMELLIA
  56. #include <wolfssl/wolfcrypt/camellia.h>
  57. #include <wolfssl/wolfcrypt/error-crypt.h>
  58. #include <wolfssl/wolfcrypt/logging.h>
  59. #ifdef NO_INLINE
  60. #include <wolfssl/wolfcrypt/misc.h>
  61. #else
  62. #define WOLFSSL_MISC_INCLUDED
  63. #include <wolfcrypt/src/misc.c>
  64. #endif
  65. /* u32 must be 32bit word */
  66. typedef unsigned int u32;
  67. typedef unsigned char u8;
  68. /* key constants */
  69. #define CAMELLIA_SIGMA1L ((u32)0xA09E667FL)
  70. #define CAMELLIA_SIGMA1R ((u32)0x3BCC908BL)
  71. #define CAMELLIA_SIGMA2L ((u32)0xB67AE858L)
  72. #define CAMELLIA_SIGMA2R ((u32)0x4CAA73B2L)
  73. #define CAMELLIA_SIGMA3L ((u32)0xC6EF372FL)
  74. #define CAMELLIA_SIGMA3R ((u32)0xE94F82BEL)
  75. #define CAMELLIA_SIGMA4L ((u32)0x54FF53A5L)
  76. #define CAMELLIA_SIGMA4R ((u32)0xF1D36F1CL)
  77. #define CAMELLIA_SIGMA5L ((u32)0x10E527FAL)
  78. #define CAMELLIA_SIGMA5R ((u32)0xDE682D1DL)
  79. #define CAMELLIA_SIGMA6L ((u32)0xB05688C2L)
  80. #define CAMELLIA_SIGMA6R ((u32)0xB3E6C1FDL)
  81. /*
  82. * macros
  83. */
  84. #if defined(_MSC_VER)
  85. # define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00)
  86. # define GETU32(p) SWAP(*((u32 *)(p)))
  87. # define PUTU32(ct, st) {*((u32 *)(ct)) = SWAP((st));}
  88. #else /* not MS-VC */
  89. # define GETU32(pt) \
  90. (((u32)(pt)[0] << 24) \
  91. ^ ((u32)(pt)[1] << 16) \
  92. ^ ((u32)(pt)[2] << 8) \
  93. ^ ((u32)(pt)[3]))
  94. # define PUTU32(ct, st) { \
  95. (ct)[0] = (u8)((st) >> 24); \
  96. (ct)[1] = (u8)((st) >> 16); \
  97. (ct)[2] = (u8)((st) >> 8); \
  98. (ct)[3] = (u8)(st); }
  99. #endif
  100. #define CamelliaSubkeyL(INDEX) (subkey[(INDEX)*2])
  101. #define CamelliaSubkeyR(INDEX) (subkey[(INDEX)*2 + 1])
  102. /* rotation right shift 1byte */
  103. #define CAMELLIA_RR8(x) (((x) >> 8) + ((x) << 24))
  104. /* rotation left shift 1bit */
  105. #define CAMELLIA_RL1(x) (((x) << 1) + ((x) >> 31))
  106. /* rotation left shift 1byte */
  107. #define CAMELLIA_RL8(x) (((x) << 8) + ((x) >> 24))
  108. #define CAMELLIA_ROLDQ(ll, lr, rl, rr, w0, w1, bits) \
  109. do { \
  110. w0 = ll; \
  111. ll = (ll << bits) + (lr >> (32 - bits)); \
  112. lr = (lr << bits) + (rl >> (32 - bits)); \
  113. rl = (rl << bits) + (rr >> (32 - bits)); \
  114. rr = (rr << bits) + (w0 >> (32 - bits)); \
  115. } while(0)
  116. #define CAMELLIA_ROLDQo32(ll, lr, rl, rr, w0, w1, bits) \
  117. do { \
  118. w0 = ll; \
  119. w1 = lr; \
  120. ll = (lr << (bits - 32)) + (rl >> (64 - bits)); \
  121. lr = (rl << (bits - 32)) + (rr >> (64 - bits)); \
  122. rl = (rr << (bits - 32)) + (w0 >> (64 - bits)); \
  123. rr = (w0 << (bits - 32)) + (w1 >> (64 - bits)); \
  124. } while(0)
  125. #define CAMELLIA_SP1110(INDEX) (camellia_sp1110[(INDEX)])
  126. #define CAMELLIA_SP0222(INDEX) (camellia_sp0222[(INDEX)])
  127. #define CAMELLIA_SP3033(INDEX) (camellia_sp3033[(INDEX)])
  128. #define CAMELLIA_SP4404(INDEX) (camellia_sp4404[(INDEX)])
  129. #define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \
  130. do { \
  131. il = xl ^ kl; \
  132. ir = xr ^ kr; \
  133. t0 = il >> 16; \
  134. t1 = ir >> 16; \
  135. yl = CAMELLIA_SP1110(ir & 0xff) \
  136. ^ CAMELLIA_SP0222((t1 >> 8) & 0xff) \
  137. ^ CAMELLIA_SP3033(t1 & 0xff) \
  138. ^ CAMELLIA_SP4404((ir >> 8) & 0xff); \
  139. yr = CAMELLIA_SP1110((t0 >> 8) & 0xff) \
  140. ^ CAMELLIA_SP0222(t0 & 0xff) \
  141. ^ CAMELLIA_SP3033((il >> 8) & 0xff) \
  142. ^ CAMELLIA_SP4404(il & 0xff); \
  143. yl ^= yr; \
  144. yr = CAMELLIA_RR8(yr); \
  145. yr ^= yl; \
  146. } while(0)
  147. /*
  148. * for speed up
  149. *
  150. */
  151. #define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) \
  152. do { \
  153. t0 = kll; \
  154. t0 &= ll; \
  155. lr ^= CAMELLIA_RL1(t0); \
  156. t1 = klr; \
  157. t1 |= lr; \
  158. ll ^= t1; \
  159. \
  160. t2 = krr; \
  161. t2 |= rr; \
  162. rl ^= t2; \
  163. t3 = krl; \
  164. t3 &= rl; \
  165. rr ^= CAMELLIA_RL1(t3); \
  166. } while(0)
  167. #define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \
  168. do { \
  169. ir = CAMELLIA_SP1110(xr & 0xff) \
  170. ^ CAMELLIA_SP0222((xr >> 24) & 0xff) \
  171. ^ CAMELLIA_SP3033((xr >> 16) & 0xff) \
  172. ^ CAMELLIA_SP4404((xr >> 8) & 0xff); \
  173. il = CAMELLIA_SP1110((xl >> 24) & 0xff) \
  174. ^ CAMELLIA_SP0222((xl >> 16) & 0xff) \
  175. ^ CAMELLIA_SP3033((xl >> 8) & 0xff) \
  176. ^ CAMELLIA_SP4404(xl & 0xff); \
  177. il ^= kl; \
  178. ir ^= kr; \
  179. ir ^= il; \
  180. il = CAMELLIA_RR8(il); \
  181. il ^= ir; \
  182. yl ^= ir; \
  183. yr ^= il; \
  184. } while(0)
  185. static const u32 camellia_sp1110[256] = {
  186. 0x70707000,0x82828200,0x2c2c2c00,0xececec00,
  187. 0xb3b3b300,0x27272700,0xc0c0c000,0xe5e5e500,
  188. 0xe4e4e400,0x85858500,0x57575700,0x35353500,
  189. 0xeaeaea00,0x0c0c0c00,0xaeaeae00,0x41414100,
  190. 0x23232300,0xefefef00,0x6b6b6b00,0x93939300,
  191. 0x45454500,0x19191900,0xa5a5a500,0x21212100,
  192. 0xededed00,0x0e0e0e00,0x4f4f4f00,0x4e4e4e00,
  193. 0x1d1d1d00,0x65656500,0x92929200,0xbdbdbd00,
  194. 0x86868600,0xb8b8b800,0xafafaf00,0x8f8f8f00,
  195. 0x7c7c7c00,0xebebeb00,0x1f1f1f00,0xcecece00,
  196. 0x3e3e3e00,0x30303000,0xdcdcdc00,0x5f5f5f00,
  197. 0x5e5e5e00,0xc5c5c500,0x0b0b0b00,0x1a1a1a00,
  198. 0xa6a6a600,0xe1e1e100,0x39393900,0xcacaca00,
  199. 0xd5d5d500,0x47474700,0x5d5d5d00,0x3d3d3d00,
  200. 0xd9d9d900,0x01010100,0x5a5a5a00,0xd6d6d600,
  201. 0x51515100,0x56565600,0x6c6c6c00,0x4d4d4d00,
  202. 0x8b8b8b00,0x0d0d0d00,0x9a9a9a00,0x66666600,
  203. 0xfbfbfb00,0xcccccc00,0xb0b0b000,0x2d2d2d00,
  204. 0x74747400,0x12121200,0x2b2b2b00,0x20202000,
  205. 0xf0f0f000,0xb1b1b100,0x84848400,0x99999900,
  206. 0xdfdfdf00,0x4c4c4c00,0xcbcbcb00,0xc2c2c200,
  207. 0x34343400,0x7e7e7e00,0x76767600,0x05050500,
  208. 0x6d6d6d00,0xb7b7b700,0xa9a9a900,0x31313100,
  209. 0xd1d1d100,0x17171700,0x04040400,0xd7d7d700,
  210. 0x14141400,0x58585800,0x3a3a3a00,0x61616100,
  211. 0xdedede00,0x1b1b1b00,0x11111100,0x1c1c1c00,
  212. 0x32323200,0x0f0f0f00,0x9c9c9c00,0x16161600,
  213. 0x53535300,0x18181800,0xf2f2f200,0x22222200,
  214. 0xfefefe00,0x44444400,0xcfcfcf00,0xb2b2b200,
  215. 0xc3c3c300,0xb5b5b500,0x7a7a7a00,0x91919100,
  216. 0x24242400,0x08080800,0xe8e8e800,0xa8a8a800,
  217. 0x60606000,0xfcfcfc00,0x69696900,0x50505000,
  218. 0xaaaaaa00,0xd0d0d000,0xa0a0a000,0x7d7d7d00,
  219. 0xa1a1a100,0x89898900,0x62626200,0x97979700,
  220. 0x54545400,0x5b5b5b00,0x1e1e1e00,0x95959500,
  221. 0xe0e0e000,0xffffff00,0x64646400,0xd2d2d200,
  222. 0x10101000,0xc4c4c400,0x00000000,0x48484800,
  223. 0xa3a3a300,0xf7f7f700,0x75757500,0xdbdbdb00,
  224. 0x8a8a8a00,0x03030300,0xe6e6e600,0xdadada00,
  225. 0x09090900,0x3f3f3f00,0xdddddd00,0x94949400,
  226. 0x87878700,0x5c5c5c00,0x83838300,0x02020200,
  227. 0xcdcdcd00,0x4a4a4a00,0x90909000,0x33333300,
  228. 0x73737300,0x67676700,0xf6f6f600,0xf3f3f300,
  229. 0x9d9d9d00,0x7f7f7f00,0xbfbfbf00,0xe2e2e200,
  230. 0x52525200,0x9b9b9b00,0xd8d8d800,0x26262600,
  231. 0xc8c8c800,0x37373700,0xc6c6c600,0x3b3b3b00,
  232. 0x81818100,0x96969600,0x6f6f6f00,0x4b4b4b00,
  233. 0x13131300,0xbebebe00,0x63636300,0x2e2e2e00,
  234. 0xe9e9e900,0x79797900,0xa7a7a700,0x8c8c8c00,
  235. 0x9f9f9f00,0x6e6e6e00,0xbcbcbc00,0x8e8e8e00,
  236. 0x29292900,0xf5f5f500,0xf9f9f900,0xb6b6b600,
  237. 0x2f2f2f00,0xfdfdfd00,0xb4b4b400,0x59595900,
  238. 0x78787800,0x98989800,0x06060600,0x6a6a6a00,
  239. 0xe7e7e700,0x46464600,0x71717100,0xbababa00,
  240. 0xd4d4d400,0x25252500,0xababab00,0x42424200,
  241. 0x88888800,0xa2a2a200,0x8d8d8d00,0xfafafa00,
  242. 0x72727200,0x07070700,0xb9b9b900,0x55555500,
  243. 0xf8f8f800,0xeeeeee00,0xacacac00,0x0a0a0a00,
  244. 0x36363600,0x49494900,0x2a2a2a00,0x68686800,
  245. 0x3c3c3c00,0x38383800,0xf1f1f100,0xa4a4a400,
  246. 0x40404000,0x28282800,0xd3d3d300,0x7b7b7b00,
  247. 0xbbbbbb00,0xc9c9c900,0x43434300,0xc1c1c100,
  248. 0x15151500,0xe3e3e300,0xadadad00,0xf4f4f400,
  249. 0x77777700,0xc7c7c700,0x80808000,0x9e9e9e00,
  250. };
  251. static const u32 camellia_sp0222[256] = {
  252. 0x00e0e0e0,0x00050505,0x00585858,0x00d9d9d9,
  253. 0x00676767,0x004e4e4e,0x00818181,0x00cbcbcb,
  254. 0x00c9c9c9,0x000b0b0b,0x00aeaeae,0x006a6a6a,
  255. 0x00d5d5d5,0x00181818,0x005d5d5d,0x00828282,
  256. 0x00464646,0x00dfdfdf,0x00d6d6d6,0x00272727,
  257. 0x008a8a8a,0x00323232,0x004b4b4b,0x00424242,
  258. 0x00dbdbdb,0x001c1c1c,0x009e9e9e,0x009c9c9c,
  259. 0x003a3a3a,0x00cacaca,0x00252525,0x007b7b7b,
  260. 0x000d0d0d,0x00717171,0x005f5f5f,0x001f1f1f,
  261. 0x00f8f8f8,0x00d7d7d7,0x003e3e3e,0x009d9d9d,
  262. 0x007c7c7c,0x00606060,0x00b9b9b9,0x00bebebe,
  263. 0x00bcbcbc,0x008b8b8b,0x00161616,0x00343434,
  264. 0x004d4d4d,0x00c3c3c3,0x00727272,0x00959595,
  265. 0x00ababab,0x008e8e8e,0x00bababa,0x007a7a7a,
  266. 0x00b3b3b3,0x00020202,0x00b4b4b4,0x00adadad,
  267. 0x00a2a2a2,0x00acacac,0x00d8d8d8,0x009a9a9a,
  268. 0x00171717,0x001a1a1a,0x00353535,0x00cccccc,
  269. 0x00f7f7f7,0x00999999,0x00616161,0x005a5a5a,
  270. 0x00e8e8e8,0x00242424,0x00565656,0x00404040,
  271. 0x00e1e1e1,0x00636363,0x00090909,0x00333333,
  272. 0x00bfbfbf,0x00989898,0x00979797,0x00858585,
  273. 0x00686868,0x00fcfcfc,0x00ececec,0x000a0a0a,
  274. 0x00dadada,0x006f6f6f,0x00535353,0x00626262,
  275. 0x00a3a3a3,0x002e2e2e,0x00080808,0x00afafaf,
  276. 0x00282828,0x00b0b0b0,0x00747474,0x00c2c2c2,
  277. 0x00bdbdbd,0x00363636,0x00222222,0x00383838,
  278. 0x00646464,0x001e1e1e,0x00393939,0x002c2c2c,
  279. 0x00a6a6a6,0x00303030,0x00e5e5e5,0x00444444,
  280. 0x00fdfdfd,0x00888888,0x009f9f9f,0x00656565,
  281. 0x00878787,0x006b6b6b,0x00f4f4f4,0x00232323,
  282. 0x00484848,0x00101010,0x00d1d1d1,0x00515151,
  283. 0x00c0c0c0,0x00f9f9f9,0x00d2d2d2,0x00a0a0a0,
  284. 0x00555555,0x00a1a1a1,0x00414141,0x00fafafa,
  285. 0x00434343,0x00131313,0x00c4c4c4,0x002f2f2f,
  286. 0x00a8a8a8,0x00b6b6b6,0x003c3c3c,0x002b2b2b,
  287. 0x00c1c1c1,0x00ffffff,0x00c8c8c8,0x00a5a5a5,
  288. 0x00202020,0x00898989,0x00000000,0x00909090,
  289. 0x00474747,0x00efefef,0x00eaeaea,0x00b7b7b7,
  290. 0x00151515,0x00060606,0x00cdcdcd,0x00b5b5b5,
  291. 0x00121212,0x007e7e7e,0x00bbbbbb,0x00292929,
  292. 0x000f0f0f,0x00b8b8b8,0x00070707,0x00040404,
  293. 0x009b9b9b,0x00949494,0x00212121,0x00666666,
  294. 0x00e6e6e6,0x00cecece,0x00ededed,0x00e7e7e7,
  295. 0x003b3b3b,0x00fefefe,0x007f7f7f,0x00c5c5c5,
  296. 0x00a4a4a4,0x00373737,0x00b1b1b1,0x004c4c4c,
  297. 0x00919191,0x006e6e6e,0x008d8d8d,0x00767676,
  298. 0x00030303,0x002d2d2d,0x00dedede,0x00969696,
  299. 0x00262626,0x007d7d7d,0x00c6c6c6,0x005c5c5c,
  300. 0x00d3d3d3,0x00f2f2f2,0x004f4f4f,0x00191919,
  301. 0x003f3f3f,0x00dcdcdc,0x00797979,0x001d1d1d,
  302. 0x00525252,0x00ebebeb,0x00f3f3f3,0x006d6d6d,
  303. 0x005e5e5e,0x00fbfbfb,0x00696969,0x00b2b2b2,
  304. 0x00f0f0f0,0x00313131,0x000c0c0c,0x00d4d4d4,
  305. 0x00cfcfcf,0x008c8c8c,0x00e2e2e2,0x00757575,
  306. 0x00a9a9a9,0x004a4a4a,0x00575757,0x00848484,
  307. 0x00111111,0x00454545,0x001b1b1b,0x00f5f5f5,
  308. 0x00e4e4e4,0x000e0e0e,0x00737373,0x00aaaaaa,
  309. 0x00f1f1f1,0x00dddddd,0x00595959,0x00141414,
  310. 0x006c6c6c,0x00929292,0x00545454,0x00d0d0d0,
  311. 0x00787878,0x00707070,0x00e3e3e3,0x00494949,
  312. 0x00808080,0x00505050,0x00a7a7a7,0x00f6f6f6,
  313. 0x00777777,0x00939393,0x00868686,0x00838383,
  314. 0x002a2a2a,0x00c7c7c7,0x005b5b5b,0x00e9e9e9,
  315. 0x00eeeeee,0x008f8f8f,0x00010101,0x003d3d3d,
  316. };
  317. static const u32 camellia_sp3033[256] = {
  318. 0x38003838,0x41004141,0x16001616,0x76007676,
  319. 0xd900d9d9,0x93009393,0x60006060,0xf200f2f2,
  320. 0x72007272,0xc200c2c2,0xab00abab,0x9a009a9a,
  321. 0x75007575,0x06000606,0x57005757,0xa000a0a0,
  322. 0x91009191,0xf700f7f7,0xb500b5b5,0xc900c9c9,
  323. 0xa200a2a2,0x8c008c8c,0xd200d2d2,0x90009090,
  324. 0xf600f6f6,0x07000707,0xa700a7a7,0x27002727,
  325. 0x8e008e8e,0xb200b2b2,0x49004949,0xde00dede,
  326. 0x43004343,0x5c005c5c,0xd700d7d7,0xc700c7c7,
  327. 0x3e003e3e,0xf500f5f5,0x8f008f8f,0x67006767,
  328. 0x1f001f1f,0x18001818,0x6e006e6e,0xaf00afaf,
  329. 0x2f002f2f,0xe200e2e2,0x85008585,0x0d000d0d,
  330. 0x53005353,0xf000f0f0,0x9c009c9c,0x65006565,
  331. 0xea00eaea,0xa300a3a3,0xae00aeae,0x9e009e9e,
  332. 0xec00ecec,0x80008080,0x2d002d2d,0x6b006b6b,
  333. 0xa800a8a8,0x2b002b2b,0x36003636,0xa600a6a6,
  334. 0xc500c5c5,0x86008686,0x4d004d4d,0x33003333,
  335. 0xfd00fdfd,0x66006666,0x58005858,0x96009696,
  336. 0x3a003a3a,0x09000909,0x95009595,0x10001010,
  337. 0x78007878,0xd800d8d8,0x42004242,0xcc00cccc,
  338. 0xef00efef,0x26002626,0xe500e5e5,0x61006161,
  339. 0x1a001a1a,0x3f003f3f,0x3b003b3b,0x82008282,
  340. 0xb600b6b6,0xdb00dbdb,0xd400d4d4,0x98009898,
  341. 0xe800e8e8,0x8b008b8b,0x02000202,0xeb00ebeb,
  342. 0x0a000a0a,0x2c002c2c,0x1d001d1d,0xb000b0b0,
  343. 0x6f006f6f,0x8d008d8d,0x88008888,0x0e000e0e,
  344. 0x19001919,0x87008787,0x4e004e4e,0x0b000b0b,
  345. 0xa900a9a9,0x0c000c0c,0x79007979,0x11001111,
  346. 0x7f007f7f,0x22002222,0xe700e7e7,0x59005959,
  347. 0xe100e1e1,0xda00dada,0x3d003d3d,0xc800c8c8,
  348. 0x12001212,0x04000404,0x74007474,0x54005454,
  349. 0x30003030,0x7e007e7e,0xb400b4b4,0x28002828,
  350. 0x55005555,0x68006868,0x50005050,0xbe00bebe,
  351. 0xd000d0d0,0xc400c4c4,0x31003131,0xcb00cbcb,
  352. 0x2a002a2a,0xad00adad,0x0f000f0f,0xca00caca,
  353. 0x70007070,0xff00ffff,0x32003232,0x69006969,
  354. 0x08000808,0x62006262,0x00000000,0x24002424,
  355. 0xd100d1d1,0xfb00fbfb,0xba00baba,0xed00eded,
  356. 0x45004545,0x81008181,0x73007373,0x6d006d6d,
  357. 0x84008484,0x9f009f9f,0xee00eeee,0x4a004a4a,
  358. 0xc300c3c3,0x2e002e2e,0xc100c1c1,0x01000101,
  359. 0xe600e6e6,0x25002525,0x48004848,0x99009999,
  360. 0xb900b9b9,0xb300b3b3,0x7b007b7b,0xf900f9f9,
  361. 0xce00cece,0xbf00bfbf,0xdf00dfdf,0x71007171,
  362. 0x29002929,0xcd00cdcd,0x6c006c6c,0x13001313,
  363. 0x64006464,0x9b009b9b,0x63006363,0x9d009d9d,
  364. 0xc000c0c0,0x4b004b4b,0xb700b7b7,0xa500a5a5,
  365. 0x89008989,0x5f005f5f,0xb100b1b1,0x17001717,
  366. 0xf400f4f4,0xbc00bcbc,0xd300d3d3,0x46004646,
  367. 0xcf00cfcf,0x37003737,0x5e005e5e,0x47004747,
  368. 0x94009494,0xfa00fafa,0xfc00fcfc,0x5b005b5b,
  369. 0x97009797,0xfe00fefe,0x5a005a5a,0xac00acac,
  370. 0x3c003c3c,0x4c004c4c,0x03000303,0x35003535,
  371. 0xf300f3f3,0x23002323,0xb800b8b8,0x5d005d5d,
  372. 0x6a006a6a,0x92009292,0xd500d5d5,0x21002121,
  373. 0x44004444,0x51005151,0xc600c6c6,0x7d007d7d,
  374. 0x39003939,0x83008383,0xdc00dcdc,0xaa00aaaa,
  375. 0x7c007c7c,0x77007777,0x56005656,0x05000505,
  376. 0x1b001b1b,0xa400a4a4,0x15001515,0x34003434,
  377. 0x1e001e1e,0x1c001c1c,0xf800f8f8,0x52005252,
  378. 0x20002020,0x14001414,0xe900e9e9,0xbd00bdbd,
  379. 0xdd00dddd,0xe400e4e4,0xa100a1a1,0xe000e0e0,
  380. 0x8a008a8a,0xf100f1f1,0xd600d6d6,0x7a007a7a,
  381. 0xbb00bbbb,0xe300e3e3,0x40004040,0x4f004f4f,
  382. };
  383. static const u32 camellia_sp4404[256] = {
  384. 0x70700070,0x2c2c002c,0xb3b300b3,0xc0c000c0,
  385. 0xe4e400e4,0x57570057,0xeaea00ea,0xaeae00ae,
  386. 0x23230023,0x6b6b006b,0x45450045,0xa5a500a5,
  387. 0xeded00ed,0x4f4f004f,0x1d1d001d,0x92920092,
  388. 0x86860086,0xafaf00af,0x7c7c007c,0x1f1f001f,
  389. 0x3e3e003e,0xdcdc00dc,0x5e5e005e,0x0b0b000b,
  390. 0xa6a600a6,0x39390039,0xd5d500d5,0x5d5d005d,
  391. 0xd9d900d9,0x5a5a005a,0x51510051,0x6c6c006c,
  392. 0x8b8b008b,0x9a9a009a,0xfbfb00fb,0xb0b000b0,
  393. 0x74740074,0x2b2b002b,0xf0f000f0,0x84840084,
  394. 0xdfdf00df,0xcbcb00cb,0x34340034,0x76760076,
  395. 0x6d6d006d,0xa9a900a9,0xd1d100d1,0x04040004,
  396. 0x14140014,0x3a3a003a,0xdede00de,0x11110011,
  397. 0x32320032,0x9c9c009c,0x53530053,0xf2f200f2,
  398. 0xfefe00fe,0xcfcf00cf,0xc3c300c3,0x7a7a007a,
  399. 0x24240024,0xe8e800e8,0x60600060,0x69690069,
  400. 0xaaaa00aa,0xa0a000a0,0xa1a100a1,0x62620062,
  401. 0x54540054,0x1e1e001e,0xe0e000e0,0x64640064,
  402. 0x10100010,0x00000000,0xa3a300a3,0x75750075,
  403. 0x8a8a008a,0xe6e600e6,0x09090009,0xdddd00dd,
  404. 0x87870087,0x83830083,0xcdcd00cd,0x90900090,
  405. 0x73730073,0xf6f600f6,0x9d9d009d,0xbfbf00bf,
  406. 0x52520052,0xd8d800d8,0xc8c800c8,0xc6c600c6,
  407. 0x81810081,0x6f6f006f,0x13130013,0x63630063,
  408. 0xe9e900e9,0xa7a700a7,0x9f9f009f,0xbcbc00bc,
  409. 0x29290029,0xf9f900f9,0x2f2f002f,0xb4b400b4,
  410. 0x78780078,0x06060006,0xe7e700e7,0x71710071,
  411. 0xd4d400d4,0xabab00ab,0x88880088,0x8d8d008d,
  412. 0x72720072,0xb9b900b9,0xf8f800f8,0xacac00ac,
  413. 0x36360036,0x2a2a002a,0x3c3c003c,0xf1f100f1,
  414. 0x40400040,0xd3d300d3,0xbbbb00bb,0x43430043,
  415. 0x15150015,0xadad00ad,0x77770077,0x80800080,
  416. 0x82820082,0xecec00ec,0x27270027,0xe5e500e5,
  417. 0x85850085,0x35350035,0x0c0c000c,0x41410041,
  418. 0xefef00ef,0x93930093,0x19190019,0x21210021,
  419. 0x0e0e000e,0x4e4e004e,0x65650065,0xbdbd00bd,
  420. 0xb8b800b8,0x8f8f008f,0xebeb00eb,0xcece00ce,
  421. 0x30300030,0x5f5f005f,0xc5c500c5,0x1a1a001a,
  422. 0xe1e100e1,0xcaca00ca,0x47470047,0x3d3d003d,
  423. 0x01010001,0xd6d600d6,0x56560056,0x4d4d004d,
  424. 0x0d0d000d,0x66660066,0xcccc00cc,0x2d2d002d,
  425. 0x12120012,0x20200020,0xb1b100b1,0x99990099,
  426. 0x4c4c004c,0xc2c200c2,0x7e7e007e,0x05050005,
  427. 0xb7b700b7,0x31310031,0x17170017,0xd7d700d7,
  428. 0x58580058,0x61610061,0x1b1b001b,0x1c1c001c,
  429. 0x0f0f000f,0x16160016,0x18180018,0x22220022,
  430. 0x44440044,0xb2b200b2,0xb5b500b5,0x91910091,
  431. 0x08080008,0xa8a800a8,0xfcfc00fc,0x50500050,
  432. 0xd0d000d0,0x7d7d007d,0x89890089,0x97970097,
  433. 0x5b5b005b,0x95950095,0xffff00ff,0xd2d200d2,
  434. 0xc4c400c4,0x48480048,0xf7f700f7,0xdbdb00db,
  435. 0x03030003,0xdada00da,0x3f3f003f,0x94940094,
  436. 0x5c5c005c,0x02020002,0x4a4a004a,0x33330033,
  437. 0x67670067,0xf3f300f3,0x7f7f007f,0xe2e200e2,
  438. 0x9b9b009b,0x26260026,0x37370037,0x3b3b003b,
  439. 0x96960096,0x4b4b004b,0xbebe00be,0x2e2e002e,
  440. 0x79790079,0x8c8c008c,0x6e6e006e,0x8e8e008e,
  441. 0xf5f500f5,0xb6b600b6,0xfdfd00fd,0x59590059,
  442. 0x98980098,0x6a6a006a,0x46460046,0xbaba00ba,
  443. 0x25250025,0x42420042,0xa2a200a2,0xfafa00fa,
  444. 0x07070007,0x55550055,0xeeee00ee,0x0a0a000a,
  445. 0x49490049,0x68680068,0x38380038,0xa4a400a4,
  446. 0x28280028,0x7b7b007b,0xc9c900c9,0xc1c100c1,
  447. 0xe3e300e3,0xf4f400f4,0xc7c700c7,0x9e9e009e,
  448. };
  449. /**
  450. * Stuff related to the Camellia key schedule
  451. */
  452. #define subl(x) subL[(x)]
  453. #define subr(x) subR[(x)]
  454. static int camellia_setup128(const unsigned char *key, u32 *subkey)
  455. {
  456. u32 kll, klr, krl, krr;
  457. u32 il, ir, t0, t1, w0, w1;
  458. u32 kw4l, kw4r, dw, tl, tr;
  459. #ifdef WOLFSSL_SMALL_STACK
  460. u32* subL;
  461. u32* subR;
  462. subL = (u32*) XMALLOC(sizeof(u32) * 26, NULL, DYNAMIC_TYPE_TMP_BUFFER);
  463. if (subL == NULL)
  464. return MEMORY_E;
  465. subR = (u32*) XMALLOC(sizeof(u32) * 26, NULL, DYNAMIC_TYPE_TMP_BUFFER);
  466. if (subR == NULL) {
  467. XFREE(subL, NULL, DYNAMIC_TYPE_TMP_BUFFER);
  468. return MEMORY_E;
  469. }
  470. #else
  471. u32 subL[26];
  472. u32 subR[26];
  473. #endif
  474. /**
  475. * k == kll || klr || krl || krr (|| is concatenation)
  476. */
  477. kll = GETU32(key );
  478. klr = GETU32(key + 4);
  479. krl = GETU32(key + 8);
  480. krr = GETU32(key + 12);
  481. /**
  482. * generate KL dependent subkeys
  483. */
  484. subl(0) = kll; subr(0) = klr;
  485. subl(1) = krl; subr(1) = krr;
  486. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  487. subl(4) = kll; subr(4) = klr;
  488. subl(5) = krl; subr(5) = krr;
  489. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30);
  490. subl(10) = kll; subr(10) = klr;
  491. subl(11) = krl; subr(11) = krr;
  492. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  493. subl(13) = krl; subr(13) = krr;
  494. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
  495. subl(16) = kll; subr(16) = klr;
  496. subl(17) = krl; subr(17) = krr;
  497. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
  498. subl(18) = kll; subr(18) = klr;
  499. subl(19) = krl; subr(19) = krr;
  500. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
  501. subl(22) = kll; subr(22) = klr;
  502. subl(23) = krl; subr(23) = krr;
  503. /* generate KA */
  504. kll = subl(0); klr = subr(0);
  505. krl = subl(1); krr = subr(1);
  506. CAMELLIA_F(kll, klr,
  507. CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R,
  508. w0, w1, il, ir, t0, t1);
  509. krl ^= w0; krr ^= w1;
  510. CAMELLIA_F(krl, krr,
  511. CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R,
  512. kll, klr, il, ir, t0, t1);
  513. CAMELLIA_F(kll, klr,
  514. CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R,
  515. krl, krr, il, ir, t0, t1);
  516. krl ^= w0; krr ^= w1;
  517. CAMELLIA_F(krl, krr,
  518. CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R,
  519. w0, w1, il, ir, t0, t1);
  520. kll ^= w0; klr ^= w1;
  521. /* generate KA dependent subkeys */
  522. subl(2) = kll; subr(2) = klr;
  523. subl(3) = krl; subr(3) = krr;
  524. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  525. subl(6) = kll; subr(6) = klr;
  526. subl(7) = krl; subr(7) = krr;
  527. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  528. subl(8) = kll; subr(8) = klr;
  529. subl(9) = krl; subr(9) = krr;
  530. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  531. subl(12) = kll; subr(12) = klr;
  532. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  533. subl(14) = kll; subr(14) = klr;
  534. subl(15) = krl; subr(15) = krr;
  535. CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34);
  536. subl(20) = kll; subr(20) = klr;
  537. subl(21) = krl; subr(21) = krr;
  538. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
  539. subl(24) = kll; subr(24) = klr;
  540. subl(25) = krl; subr(25) = krr;
  541. /* absorb kw2 to other subkeys */
  542. subl(3) ^= subl(1); subr(3) ^= subr(1);
  543. subl(5) ^= subl(1); subr(5) ^= subr(1);
  544. subl(7) ^= subl(1); subr(7) ^= subr(1);
  545. subl(1) ^= subr(1) & ~subr(9);
  546. dw = subl(1) & subl(9), subr(1) ^= CAMELLIA_RL1(dw);
  547. subl(11) ^= subl(1); subr(11) ^= subr(1);
  548. subl(13) ^= subl(1); subr(13) ^= subr(1);
  549. subl(15) ^= subl(1); subr(15) ^= subr(1);
  550. subl(1) ^= subr(1) & ~subr(17);
  551. dw = subl(1) & subl(17), subr(1) ^= CAMELLIA_RL1(dw);
  552. subl(19) ^= subl(1); subr(19) ^= subr(1);
  553. subl(21) ^= subl(1); subr(21) ^= subr(1);
  554. subl(23) ^= subl(1); subr(23) ^= subr(1);
  555. subl(24) ^= subl(1); subr(24) ^= subr(1);
  556. /* absorb kw4 to other subkeys */
  557. kw4l = subl(25); kw4r = subr(25);
  558. subl(22) ^= kw4l; subr(22) ^= kw4r;
  559. subl(20) ^= kw4l; subr(20) ^= kw4r;
  560. subl(18) ^= kw4l; subr(18) ^= kw4r;
  561. kw4l ^= kw4r & ~subr(16);
  562. dw = kw4l & subl(16), kw4r ^= CAMELLIA_RL1(dw);
  563. subl(14) ^= kw4l; subr(14) ^= kw4r;
  564. subl(12) ^= kw4l; subr(12) ^= kw4r;
  565. subl(10) ^= kw4l; subr(10) ^= kw4r;
  566. kw4l ^= kw4r & ~subr(8);
  567. dw = kw4l & subl(8), kw4r ^= CAMELLIA_RL1(dw);
  568. subl(6) ^= kw4l; subr(6) ^= kw4r;
  569. subl(4) ^= kw4l; subr(4) ^= kw4r;
  570. subl(2) ^= kw4l; subr(2) ^= kw4r;
  571. subl(0) ^= kw4l; subr(0) ^= kw4r;
  572. /* key XOR is end of F-function */
  573. CamelliaSubkeyL(0) = subl(0) ^ subl(2);
  574. CamelliaSubkeyR(0) = subr(0) ^ subr(2);
  575. CamelliaSubkeyL(2) = subl(3);
  576. CamelliaSubkeyR(2) = subr(3);
  577. CamelliaSubkeyL(3) = subl(2) ^ subl(4);
  578. CamelliaSubkeyR(3) = subr(2) ^ subr(4);
  579. CamelliaSubkeyL(4) = subl(3) ^ subl(5);
  580. CamelliaSubkeyR(4) = subr(3) ^ subr(5);
  581. CamelliaSubkeyL(5) = subl(4) ^ subl(6);
  582. CamelliaSubkeyR(5) = subr(4) ^ subr(6);
  583. CamelliaSubkeyL(6) = subl(5) ^ subl(7);
  584. CamelliaSubkeyR(6) = subr(5) ^ subr(7);
  585. tl = subl(10) ^ (subr(10) & ~subr(8));
  586. dw = tl & subl(8), tr = subr(10) ^ CAMELLIA_RL1(dw);
  587. CamelliaSubkeyL(7) = subl(6) ^ tl;
  588. CamelliaSubkeyR(7) = subr(6) ^ tr;
  589. CamelliaSubkeyL(8) = subl(8);
  590. CamelliaSubkeyR(8) = subr(8);
  591. CamelliaSubkeyL(9) = subl(9);
  592. CamelliaSubkeyR(9) = subr(9);
  593. tl = subl(7) ^ (subr(7) & ~subr(9));
  594. dw = tl & subl(9), tr = subr(7) ^ CAMELLIA_RL1(dw);
  595. CamelliaSubkeyL(10) = tl ^ subl(11);
  596. CamelliaSubkeyR(10) = tr ^ subr(11);
  597. CamelliaSubkeyL(11) = subl(10) ^ subl(12);
  598. CamelliaSubkeyR(11) = subr(10) ^ subr(12);
  599. CamelliaSubkeyL(12) = subl(11) ^ subl(13);
  600. CamelliaSubkeyR(12) = subr(11) ^ subr(13);
  601. CamelliaSubkeyL(13) = subl(12) ^ subl(14);
  602. CamelliaSubkeyR(13) = subr(12) ^ subr(14);
  603. CamelliaSubkeyL(14) = subl(13) ^ subl(15);
  604. CamelliaSubkeyR(14) = subr(13) ^ subr(15);
  605. tl = subl(18) ^ (subr(18) & ~subr(16));
  606. dw = tl & subl(16), tr = subr(18) ^ CAMELLIA_RL1(dw);
  607. CamelliaSubkeyL(15) = subl(14) ^ tl;
  608. CamelliaSubkeyR(15) = subr(14) ^ tr;
  609. CamelliaSubkeyL(16) = subl(16);
  610. CamelliaSubkeyR(16) = subr(16);
  611. CamelliaSubkeyL(17) = subl(17);
  612. CamelliaSubkeyR(17) = subr(17);
  613. tl = subl(15) ^ (subr(15) & ~subr(17));
  614. dw = tl & subl(17), tr = subr(15) ^ CAMELLIA_RL1(dw);
  615. CamelliaSubkeyL(18) = tl ^ subl(19);
  616. CamelliaSubkeyR(18) = tr ^ subr(19);
  617. CamelliaSubkeyL(19) = subl(18) ^ subl(20);
  618. CamelliaSubkeyR(19) = subr(18) ^ subr(20);
  619. CamelliaSubkeyL(20) = subl(19) ^ subl(21);
  620. CamelliaSubkeyR(20) = subr(19) ^ subr(21);
  621. CamelliaSubkeyL(21) = subl(20) ^ subl(22);
  622. CamelliaSubkeyR(21) = subr(20) ^ subr(22);
  623. CamelliaSubkeyL(22) = subl(21) ^ subl(23);
  624. CamelliaSubkeyR(22) = subr(21) ^ subr(23);
  625. CamelliaSubkeyL(23) = subl(22);
  626. CamelliaSubkeyR(23) = subr(22);
  627. CamelliaSubkeyL(24) = subl(24) ^ subl(23);
  628. CamelliaSubkeyR(24) = subr(24) ^ subr(23);
  629. /* apply the inverse of the last half of P-function */
  630. dw = CamelliaSubkeyL(2) ^ CamelliaSubkeyR(2), dw = CAMELLIA_RL8(dw);
  631. CamelliaSubkeyR(2) = CamelliaSubkeyL(2) ^ dw, CamelliaSubkeyL(2) = dw;
  632. dw = CamelliaSubkeyL(3) ^ CamelliaSubkeyR(3), dw = CAMELLIA_RL8(dw);
  633. CamelliaSubkeyR(3) = CamelliaSubkeyL(3) ^ dw, CamelliaSubkeyL(3) = dw;
  634. dw = CamelliaSubkeyL(4) ^ CamelliaSubkeyR(4), dw = CAMELLIA_RL8(dw);
  635. CamelliaSubkeyR(4) = CamelliaSubkeyL(4) ^ dw, CamelliaSubkeyL(4) = dw;
  636. dw = CamelliaSubkeyL(5) ^ CamelliaSubkeyR(5), dw = CAMELLIA_RL8(dw);
  637. CamelliaSubkeyR(5) = CamelliaSubkeyL(5) ^ dw, CamelliaSubkeyL(5) = dw;
  638. dw = CamelliaSubkeyL(6) ^ CamelliaSubkeyR(6), dw = CAMELLIA_RL8(dw);
  639. CamelliaSubkeyR(6) = CamelliaSubkeyL(6) ^ dw, CamelliaSubkeyL(6) = dw;
  640. dw = CamelliaSubkeyL(7) ^ CamelliaSubkeyR(7), dw = CAMELLIA_RL8(dw);
  641. CamelliaSubkeyR(7) = CamelliaSubkeyL(7) ^ dw, CamelliaSubkeyL(7) = dw;
  642. dw = CamelliaSubkeyL(10) ^ CamelliaSubkeyR(10), dw = CAMELLIA_RL8(dw);
  643. CamelliaSubkeyR(10) = CamelliaSubkeyL(10) ^ dw, CamelliaSubkeyL(10) = dw;
  644. dw = CamelliaSubkeyL(11) ^ CamelliaSubkeyR(11), dw = CAMELLIA_RL8(dw);
  645. CamelliaSubkeyR(11) = CamelliaSubkeyL(11) ^ dw, CamelliaSubkeyL(11) = dw;
  646. dw = CamelliaSubkeyL(12) ^ CamelliaSubkeyR(12), dw = CAMELLIA_RL8(dw);
  647. CamelliaSubkeyR(12) = CamelliaSubkeyL(12) ^ dw, CamelliaSubkeyL(12) = dw;
  648. dw = CamelliaSubkeyL(13) ^ CamelliaSubkeyR(13), dw = CAMELLIA_RL8(dw);
  649. CamelliaSubkeyR(13) = CamelliaSubkeyL(13) ^ dw, CamelliaSubkeyL(13) = dw;
  650. dw = CamelliaSubkeyL(14) ^ CamelliaSubkeyR(14), dw = CAMELLIA_RL8(dw);
  651. CamelliaSubkeyR(14) = CamelliaSubkeyL(14) ^ dw, CamelliaSubkeyL(14) = dw;
  652. dw = CamelliaSubkeyL(15) ^ CamelliaSubkeyR(15), dw = CAMELLIA_RL8(dw);
  653. CamelliaSubkeyR(15) = CamelliaSubkeyL(15) ^ dw, CamelliaSubkeyL(15) = dw;
  654. dw = CamelliaSubkeyL(18) ^ CamelliaSubkeyR(18), dw = CAMELLIA_RL8(dw);
  655. CamelliaSubkeyR(18) = CamelliaSubkeyL(18) ^ dw, CamelliaSubkeyL(18) = dw;
  656. dw = CamelliaSubkeyL(19) ^ CamelliaSubkeyR(19), dw = CAMELLIA_RL8(dw);
  657. CamelliaSubkeyR(19) = CamelliaSubkeyL(19) ^ dw, CamelliaSubkeyL(19) = dw;
  658. dw = CamelliaSubkeyL(20) ^ CamelliaSubkeyR(20), dw = CAMELLIA_RL8(dw);
  659. CamelliaSubkeyR(20) = CamelliaSubkeyL(20) ^ dw, CamelliaSubkeyL(20) = dw;
  660. dw = CamelliaSubkeyL(21) ^ CamelliaSubkeyR(21), dw = CAMELLIA_RL8(dw);
  661. CamelliaSubkeyR(21) = CamelliaSubkeyL(21) ^ dw, CamelliaSubkeyL(21) = dw;
  662. dw = CamelliaSubkeyL(22) ^ CamelliaSubkeyR(22), dw = CAMELLIA_RL8(dw);
  663. CamelliaSubkeyR(22) = CamelliaSubkeyL(22) ^ dw, CamelliaSubkeyL(22) = dw;
  664. dw = CamelliaSubkeyL(23) ^ CamelliaSubkeyR(23), dw = CAMELLIA_RL8(dw);
  665. CamelliaSubkeyR(23) = CamelliaSubkeyL(23) ^ dw, CamelliaSubkeyL(23) = dw;
  666. #ifdef WOLFSSL_SMALL_STACK
  667. XFREE(subL, NULL, DYNAMIC_TYPE_TMP_BUFFER);
  668. XFREE(subR, NULL, DYNAMIC_TYPE_TMP_BUFFER);
  669. #endif
  670. return 0;
  671. }
  672. static int camellia_setup256(const unsigned char *key, u32 *subkey)
  673. {
  674. u32 kll,klr,krl,krr; /* left half of key */
  675. u32 krll,krlr,krrl,krrr; /* right half of key */
  676. u32 il, ir, t0, t1, w0, w1; /* temporary variables */
  677. u32 kw4l, kw4r, dw, tl, tr;
  678. #ifdef WOLFSSL_SMALL_STACK
  679. u32* subL;
  680. u32* subR;
  681. subL = (u32*) XMALLOC(sizeof(u32) * 34, NULL, DYNAMIC_TYPE_TMP_BUFFER);
  682. if (subL == NULL)
  683. return MEMORY_E;
  684. subR = (u32*) XMALLOC(sizeof(u32) * 34, NULL, DYNAMIC_TYPE_TMP_BUFFER);
  685. if (subR == NULL) {
  686. XFREE(subL, NULL, DYNAMIC_TYPE_TMP_BUFFER);
  687. return MEMORY_E;
  688. }
  689. #else
  690. u32 subL[34];
  691. u32 subR[34];
  692. #endif
  693. /**
  694. * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr)
  695. * (|| is concatenation)
  696. */
  697. kll = GETU32(key );
  698. klr = GETU32(key + 4);
  699. krl = GETU32(key + 8);
  700. krr = GETU32(key + 12);
  701. krll = GETU32(key + 16);
  702. krlr = GETU32(key + 20);
  703. krrl = GETU32(key + 24);
  704. krrr = GETU32(key + 28);
  705. /* generate KL dependent subkeys */
  706. subl(0) = kll; subr(0) = klr;
  707. subl(1) = krl; subr(1) = krr;
  708. CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 45);
  709. subl(12) = kll; subr(12) = klr;
  710. subl(13) = krl; subr(13) = krr;
  711. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  712. subl(16) = kll; subr(16) = klr;
  713. subl(17) = krl; subr(17) = krr;
  714. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
  715. subl(22) = kll; subr(22) = klr;
  716. subl(23) = krl; subr(23) = krr;
  717. CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34);
  718. subl(30) = kll; subr(30) = klr;
  719. subl(31) = krl; subr(31) = krr;
  720. /* generate KR dependent subkeys */
  721. CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15);
  722. subl(4) = krll; subr(4) = krlr;
  723. subl(5) = krrl; subr(5) = krrr;
  724. CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15);
  725. subl(8) = krll; subr(8) = krlr;
  726. subl(9) = krrl; subr(9) = krrr;
  727. CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
  728. subl(18) = krll; subr(18) = krlr;
  729. subl(19) = krrl; subr(19) = krrr;
  730. CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34);
  731. subl(26) = krll; subr(26) = krlr;
  732. subl(27) = krrl; subr(27) = krrr;
  733. CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34);
  734. /* generate KA */
  735. kll = subl(0) ^ krll; klr = subr(0) ^ krlr;
  736. krl = subl(1) ^ krrl; krr = subr(1) ^ krrr;
  737. CAMELLIA_F(kll, klr,
  738. CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R,
  739. w0, w1, il, ir, t0, t1);
  740. krl ^= w0; krr ^= w1;
  741. CAMELLIA_F(krl, krr,
  742. CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R,
  743. kll, klr, il, ir, t0, t1);
  744. kll ^= krll; klr ^= krlr;
  745. CAMELLIA_F(kll, klr,
  746. CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R,
  747. krl, krr, il, ir, t0, t1);
  748. krl ^= w0 ^ krrl; krr ^= w1 ^ krrr;
  749. CAMELLIA_F(krl, krr,
  750. CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R,
  751. w0, w1, il, ir, t0, t1);
  752. kll ^= w0; klr ^= w1;
  753. /* generate KB */
  754. krll ^= kll; krlr ^= klr;
  755. krrl ^= krl; krrr ^= krr;
  756. CAMELLIA_F(krll, krlr,
  757. CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R,
  758. w0, w1, il, ir, t0, t1);
  759. krrl ^= w0; krrr ^= w1;
  760. CAMELLIA_F(krrl, krrr,
  761. CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R,
  762. w0, w1, il, ir, t0, t1);
  763. krll ^= w0; krlr ^= w1;
  764. /* generate KA dependent subkeys */
  765. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  766. subl(6) = kll; subr(6) = klr;
  767. subl(7) = krl; subr(7) = krr;
  768. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30);
  769. subl(14) = kll; subr(14) = klr;
  770. subl(15) = krl; subr(15) = krr;
  771. subl(24) = klr; subr(24) = krl;
  772. subl(25) = krr; subr(25) = kll;
  773. CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 49);
  774. subl(28) = kll; subr(28) = klr;
  775. subl(29) = krl; subr(29) = krr;
  776. /* generate KB dependent subkeys */
  777. subl(2) = krll; subr(2) = krlr;
  778. subl(3) = krrl; subr(3) = krrr;
  779. CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
  780. subl(10) = krll; subr(10) = krlr;
  781. subl(11) = krrl; subr(11) = krrr;
  782. CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
  783. subl(20) = krll; subr(20) = krlr;
  784. subl(21) = krrl; subr(21) = krrr;
  785. CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51);
  786. subl(32) = krll; subr(32) = krlr;
  787. subl(33) = krrl; subr(33) = krrr;
  788. /* absorb kw2 to other subkeys */
  789. subl(3) ^= subl(1); subr(3) ^= subr(1);
  790. subl(5) ^= subl(1); subr(5) ^= subr(1);
  791. subl(7) ^= subl(1); subr(7) ^= subr(1);
  792. subl(1) ^= subr(1) & ~subr(9);
  793. dw = subl(1) & subl(9), subr(1) ^= CAMELLIA_RL1(dw);
  794. subl(11) ^= subl(1); subr(11) ^= subr(1);
  795. subl(13) ^= subl(1); subr(13) ^= subr(1);
  796. subl(15) ^= subl(1); subr(15) ^= subr(1);
  797. subl(1) ^= subr(1) & ~subr(17);
  798. dw = subl(1) & subl(17), subr(1) ^= CAMELLIA_RL1(dw);
  799. subl(19) ^= subl(1); subr(19) ^= subr(1);
  800. subl(21) ^= subl(1); subr(21) ^= subr(1);
  801. subl(23) ^= subl(1); subr(23) ^= subr(1);
  802. subl(1) ^= subr(1) & ~subr(25);
  803. dw = subl(1) & subl(25), subr(1) ^= CAMELLIA_RL1(dw);
  804. subl(27) ^= subl(1); subr(27) ^= subr(1);
  805. subl(29) ^= subl(1); subr(29) ^= subr(1);
  806. subl(31) ^= subl(1); subr(31) ^= subr(1);
  807. subl(32) ^= subl(1); subr(32) ^= subr(1);
  808. /* absorb kw4 to other subkeys */
  809. kw4l = subl(33); kw4r = subr(33);
  810. subl(30) ^= kw4l; subr(30) ^= kw4r;
  811. subl(28) ^= kw4l; subr(28) ^= kw4r;
  812. subl(26) ^= kw4l; subr(26) ^= kw4r;
  813. kw4l ^= kw4r & ~subr(24);
  814. dw = kw4l & subl(24), kw4r ^= CAMELLIA_RL1(dw);
  815. subl(22) ^= kw4l; subr(22) ^= kw4r;
  816. subl(20) ^= kw4l; subr(20) ^= kw4r;
  817. subl(18) ^= kw4l; subr(18) ^= kw4r;
  818. kw4l ^= kw4r & ~subr(16);
  819. dw = kw4l & subl(16), kw4r ^= CAMELLIA_RL1(dw);
  820. subl(14) ^= kw4l; subr(14) ^= kw4r;
  821. subl(12) ^= kw4l; subr(12) ^= kw4r;
  822. subl(10) ^= kw4l; subr(10) ^= kw4r;
  823. kw4l ^= kw4r & ~subr(8);
  824. dw = kw4l & subl(8), kw4r ^= CAMELLIA_RL1(dw);
  825. subl(6) ^= kw4l; subr(6) ^= kw4r;
  826. subl(4) ^= kw4l; subr(4) ^= kw4r;
  827. subl(2) ^= kw4l; subr(2) ^= kw4r;
  828. subl(0) ^= kw4l; subr(0) ^= kw4r;
  829. /* key XOR is end of F-function */
  830. CamelliaSubkeyL(0) = subl(0) ^ subl(2);
  831. CamelliaSubkeyR(0) = subr(0) ^ subr(2);
  832. CamelliaSubkeyL(2) = subl(3);
  833. CamelliaSubkeyR(2) = subr(3);
  834. CamelliaSubkeyL(3) = subl(2) ^ subl(4);
  835. CamelliaSubkeyR(3) = subr(2) ^ subr(4);
  836. CamelliaSubkeyL(4) = subl(3) ^ subl(5);
  837. CamelliaSubkeyR(4) = subr(3) ^ subr(5);
  838. CamelliaSubkeyL(5) = subl(4) ^ subl(6);
  839. CamelliaSubkeyR(5) = subr(4) ^ subr(6);
  840. CamelliaSubkeyL(6) = subl(5) ^ subl(7);
  841. CamelliaSubkeyR(6) = subr(5) ^ subr(7);
  842. tl = subl(10) ^ (subr(10) & ~subr(8));
  843. dw = tl & subl(8), tr = subr(10) ^ CAMELLIA_RL1(dw);
  844. CamelliaSubkeyL(7) = subl(6) ^ tl;
  845. CamelliaSubkeyR(7) = subr(6) ^ tr;
  846. CamelliaSubkeyL(8) = subl(8);
  847. CamelliaSubkeyR(8) = subr(8);
  848. CamelliaSubkeyL(9) = subl(9);
  849. CamelliaSubkeyR(9) = subr(9);
  850. tl = subl(7) ^ (subr(7) & ~subr(9));
  851. dw = tl & subl(9), tr = subr(7) ^ CAMELLIA_RL1(dw);
  852. CamelliaSubkeyL(10) = tl ^ subl(11);
  853. CamelliaSubkeyR(10) = tr ^ subr(11);
  854. CamelliaSubkeyL(11) = subl(10) ^ subl(12);
  855. CamelliaSubkeyR(11) = subr(10) ^ subr(12);
  856. CamelliaSubkeyL(12) = subl(11) ^ subl(13);
  857. CamelliaSubkeyR(12) = subr(11) ^ subr(13);
  858. CamelliaSubkeyL(13) = subl(12) ^ subl(14);
  859. CamelliaSubkeyR(13) = subr(12) ^ subr(14);
  860. CamelliaSubkeyL(14) = subl(13) ^ subl(15);
  861. CamelliaSubkeyR(14) = subr(13) ^ subr(15);
  862. tl = subl(18) ^ (subr(18) & ~subr(16));
  863. dw = tl & subl(16), tr = subr(18) ^ CAMELLIA_RL1(dw);
  864. CamelliaSubkeyL(15) = subl(14) ^ tl;
  865. CamelliaSubkeyR(15) = subr(14) ^ tr;
  866. CamelliaSubkeyL(16) = subl(16);
  867. CamelliaSubkeyR(16) = subr(16);
  868. CamelliaSubkeyL(17) = subl(17);
  869. CamelliaSubkeyR(17) = subr(17);
  870. tl = subl(15) ^ (subr(15) & ~subr(17));
  871. dw = tl & subl(17), tr = subr(15) ^ CAMELLIA_RL1(dw);
  872. CamelliaSubkeyL(18) = tl ^ subl(19);
  873. CamelliaSubkeyR(18) = tr ^ subr(19);
  874. CamelliaSubkeyL(19) = subl(18) ^ subl(20);
  875. CamelliaSubkeyR(19) = subr(18) ^ subr(20);
  876. CamelliaSubkeyL(20) = subl(19) ^ subl(21);
  877. CamelliaSubkeyR(20) = subr(19) ^ subr(21);
  878. CamelliaSubkeyL(21) = subl(20) ^ subl(22);
  879. CamelliaSubkeyR(21) = subr(20) ^ subr(22);
  880. CamelliaSubkeyL(22) = subl(21) ^ subl(23);
  881. CamelliaSubkeyR(22) = subr(21) ^ subr(23);
  882. tl = subl(26) ^ (subr(26) & ~subr(24));
  883. dw = tl & subl(24), tr = subr(26) ^ CAMELLIA_RL1(dw);
  884. CamelliaSubkeyL(23) = subl(22) ^ tl;
  885. CamelliaSubkeyR(23) = subr(22) ^ tr;
  886. CamelliaSubkeyL(24) = subl(24);
  887. CamelliaSubkeyR(24) = subr(24);
  888. CamelliaSubkeyL(25) = subl(25);
  889. CamelliaSubkeyR(25) = subr(25);
  890. tl = subl(23) ^ (subr(23) & ~subr(25));
  891. dw = tl & subl(25), tr = subr(23) ^ CAMELLIA_RL1(dw);
  892. CamelliaSubkeyL(26) = tl ^ subl(27);
  893. CamelliaSubkeyR(26) = tr ^ subr(27);
  894. CamelliaSubkeyL(27) = subl(26) ^ subl(28);
  895. CamelliaSubkeyR(27) = subr(26) ^ subr(28);
  896. CamelliaSubkeyL(28) = subl(27) ^ subl(29);
  897. CamelliaSubkeyR(28) = subr(27) ^ subr(29);
  898. CamelliaSubkeyL(29) = subl(28) ^ subl(30);
  899. CamelliaSubkeyR(29) = subr(28) ^ subr(30);
  900. CamelliaSubkeyL(30) = subl(29) ^ subl(31);
  901. CamelliaSubkeyR(30) = subr(29) ^ subr(31);
  902. CamelliaSubkeyL(31) = subl(30);
  903. CamelliaSubkeyR(31) = subr(30);
  904. CamelliaSubkeyL(32) = subl(32) ^ subl(31);
  905. CamelliaSubkeyR(32) = subr(32) ^ subr(31);
  906. /* apply the inverse of the last half of P-function */
  907. dw = CamelliaSubkeyL(2) ^ CamelliaSubkeyR(2), dw = CAMELLIA_RL8(dw);
  908. CamelliaSubkeyR(2) = CamelliaSubkeyL(2) ^ dw, CamelliaSubkeyL(2) = dw;
  909. dw = CamelliaSubkeyL(3) ^ CamelliaSubkeyR(3), dw = CAMELLIA_RL8(dw);
  910. CamelliaSubkeyR(3) = CamelliaSubkeyL(3) ^ dw, CamelliaSubkeyL(3) = dw;
  911. dw = CamelliaSubkeyL(4) ^ CamelliaSubkeyR(4), dw = CAMELLIA_RL8(dw);
  912. CamelliaSubkeyR(4) = CamelliaSubkeyL(4) ^ dw, CamelliaSubkeyL(4) = dw;
  913. dw = CamelliaSubkeyL(5) ^ CamelliaSubkeyR(5), dw = CAMELLIA_RL8(dw);
  914. CamelliaSubkeyR(5) = CamelliaSubkeyL(5) ^ dw, CamelliaSubkeyL(5) = dw;
  915. dw = CamelliaSubkeyL(6) ^ CamelliaSubkeyR(6), dw = CAMELLIA_RL8(dw);
  916. CamelliaSubkeyR(6) = CamelliaSubkeyL(6) ^ dw, CamelliaSubkeyL(6) = dw;
  917. dw = CamelliaSubkeyL(7) ^ CamelliaSubkeyR(7), dw = CAMELLIA_RL8(dw);
  918. CamelliaSubkeyR(7) = CamelliaSubkeyL(7) ^ dw, CamelliaSubkeyL(7) = dw;
  919. dw = CamelliaSubkeyL(10) ^ CamelliaSubkeyR(10), dw = CAMELLIA_RL8(dw);
  920. CamelliaSubkeyR(10) = CamelliaSubkeyL(10) ^ dw, CamelliaSubkeyL(10) = dw;
  921. dw = CamelliaSubkeyL(11) ^ CamelliaSubkeyR(11), dw = CAMELLIA_RL8(dw);
  922. CamelliaSubkeyR(11) = CamelliaSubkeyL(11) ^ dw, CamelliaSubkeyL(11) = dw;
  923. dw = CamelliaSubkeyL(12) ^ CamelliaSubkeyR(12), dw = CAMELLIA_RL8(dw);
  924. CamelliaSubkeyR(12) = CamelliaSubkeyL(12) ^ dw, CamelliaSubkeyL(12) = dw;
  925. dw = CamelliaSubkeyL(13) ^ CamelliaSubkeyR(13), dw = CAMELLIA_RL8(dw);
  926. CamelliaSubkeyR(13) = CamelliaSubkeyL(13) ^ dw, CamelliaSubkeyL(13) = dw;
  927. dw = CamelliaSubkeyL(14) ^ CamelliaSubkeyR(14), dw = CAMELLIA_RL8(dw);
  928. CamelliaSubkeyR(14) = CamelliaSubkeyL(14) ^ dw, CamelliaSubkeyL(14) = dw;
  929. dw = CamelliaSubkeyL(15) ^ CamelliaSubkeyR(15), dw = CAMELLIA_RL8(dw);
  930. CamelliaSubkeyR(15) = CamelliaSubkeyL(15) ^ dw, CamelliaSubkeyL(15) = dw;
  931. dw = CamelliaSubkeyL(18) ^ CamelliaSubkeyR(18), dw = CAMELLIA_RL8(dw);
  932. CamelliaSubkeyR(18) = CamelliaSubkeyL(18) ^ dw, CamelliaSubkeyL(18) = dw;
  933. dw = CamelliaSubkeyL(19) ^ CamelliaSubkeyR(19), dw = CAMELLIA_RL8(dw);
  934. CamelliaSubkeyR(19) = CamelliaSubkeyL(19) ^ dw, CamelliaSubkeyL(19) = dw;
  935. dw = CamelliaSubkeyL(20) ^ CamelliaSubkeyR(20), dw = CAMELLIA_RL8(dw);
  936. CamelliaSubkeyR(20) = CamelliaSubkeyL(20) ^ dw, CamelliaSubkeyL(20) = dw;
  937. dw = CamelliaSubkeyL(21) ^ CamelliaSubkeyR(21), dw = CAMELLIA_RL8(dw);
  938. CamelliaSubkeyR(21) = CamelliaSubkeyL(21) ^ dw, CamelliaSubkeyL(21) = dw;
  939. dw = CamelliaSubkeyL(22) ^ CamelliaSubkeyR(22), dw = CAMELLIA_RL8(dw);
  940. CamelliaSubkeyR(22) = CamelliaSubkeyL(22) ^ dw, CamelliaSubkeyL(22) = dw;
  941. dw = CamelliaSubkeyL(23) ^ CamelliaSubkeyR(23), dw = CAMELLIA_RL8(dw);
  942. CamelliaSubkeyR(23) = CamelliaSubkeyL(23) ^ dw, CamelliaSubkeyL(23) = dw;
  943. dw = CamelliaSubkeyL(26) ^ CamelliaSubkeyR(26), dw = CAMELLIA_RL8(dw);
  944. CamelliaSubkeyR(26) = CamelliaSubkeyL(26) ^ dw, CamelliaSubkeyL(26) = dw;
  945. dw = CamelliaSubkeyL(27) ^ CamelliaSubkeyR(27), dw = CAMELLIA_RL8(dw);
  946. CamelliaSubkeyR(27) = CamelliaSubkeyL(27) ^ dw, CamelliaSubkeyL(27) = dw;
  947. dw = CamelliaSubkeyL(28) ^ CamelliaSubkeyR(28), dw = CAMELLIA_RL8(dw);
  948. CamelliaSubkeyR(28) = CamelliaSubkeyL(28) ^ dw, CamelliaSubkeyL(28) = dw;
  949. dw = CamelliaSubkeyL(29) ^ CamelliaSubkeyR(29), dw = CAMELLIA_RL8(dw);
  950. CamelliaSubkeyR(29) = CamelliaSubkeyL(29) ^ dw, CamelliaSubkeyL(29) = dw;
  951. dw = CamelliaSubkeyL(30) ^ CamelliaSubkeyR(30), dw = CAMELLIA_RL8(dw);
  952. CamelliaSubkeyR(30) = CamelliaSubkeyL(30) ^ dw, CamelliaSubkeyL(30) = dw;
  953. dw = CamelliaSubkeyL(31) ^ CamelliaSubkeyR(31), dw = CAMELLIA_RL8(dw);
  954. CamelliaSubkeyR(31) = CamelliaSubkeyL(31) ^ dw,CamelliaSubkeyL(31) = dw;
  955. #ifdef WOLFSSL_SMALL_STACK
  956. XFREE(subL, NULL, DYNAMIC_TYPE_TMP_BUFFER);
  957. XFREE(subR, NULL, DYNAMIC_TYPE_TMP_BUFFER);
  958. #endif
  959. return 0;
  960. }
  961. static int camellia_setup192(const unsigned char *key, u32 *subkey)
  962. {
  963. unsigned char kk[32];
  964. u32 krll, krlr, krrl,krrr;
  965. XMEMCPY(kk, key, 24);
  966. XMEMCPY((unsigned char *)&krll, key+16,4);
  967. XMEMCPY((unsigned char *)&krlr, key+20,4);
  968. krrl = ~krll;
  969. krrr = ~krlr;
  970. XMEMCPY(kk+24, (unsigned char *)&krrl, 4);
  971. XMEMCPY(kk+28, (unsigned char *)&krrr, 4);
  972. return camellia_setup256(kk, subkey);
  973. }
  974. /**
  975. * Stuff related to camellia encryption/decryption
  976. *
  977. * "io" must be 4byte aligned and big-endian data.
  978. */
  979. static void camellia_encrypt128(const u32 *subkey, u32 *io)
  980. {
  981. u32 il, ir, t0, t1;
  982. /* pre whitening but absorb kw2*/
  983. io[0] ^= CamelliaSubkeyL(0);
  984. io[1] ^= CamelliaSubkeyR(0);
  985. /* main iteration */
  986. CAMELLIA_ROUNDSM(io[0],io[1],
  987. CamelliaSubkeyL(2),CamelliaSubkeyR(2),
  988. io[2],io[3],il,ir,t0,t1);
  989. CAMELLIA_ROUNDSM(io[2],io[3],
  990. CamelliaSubkeyL(3),CamelliaSubkeyR(3),
  991. io[0],io[1],il,ir,t0,t1);
  992. CAMELLIA_ROUNDSM(io[0],io[1],
  993. CamelliaSubkeyL(4),CamelliaSubkeyR(4),
  994. io[2],io[3],il,ir,t0,t1);
  995. CAMELLIA_ROUNDSM(io[2],io[3],
  996. CamelliaSubkeyL(5),CamelliaSubkeyR(5),
  997. io[0],io[1],il,ir,t0,t1);
  998. CAMELLIA_ROUNDSM(io[0],io[1],
  999. CamelliaSubkeyL(6),CamelliaSubkeyR(6),
  1000. io[2],io[3],il,ir,t0,t1);
  1001. CAMELLIA_ROUNDSM(io[2],io[3],
  1002. CamelliaSubkeyL(7),CamelliaSubkeyR(7),
  1003. io[0],io[1],il,ir,t0,t1);
  1004. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1005. CamelliaSubkeyL(8),CamelliaSubkeyR(8),
  1006. CamelliaSubkeyL(9),CamelliaSubkeyR(9),
  1007. t0,t1,il,ir);
  1008. CAMELLIA_ROUNDSM(io[0],io[1],
  1009. CamelliaSubkeyL(10),CamelliaSubkeyR(10),
  1010. io[2],io[3],il,ir,t0,t1);
  1011. CAMELLIA_ROUNDSM(io[2],io[3],
  1012. CamelliaSubkeyL(11),CamelliaSubkeyR(11),
  1013. io[0],io[1],il,ir,t0,t1);
  1014. CAMELLIA_ROUNDSM(io[0],io[1],
  1015. CamelliaSubkeyL(12),CamelliaSubkeyR(12),
  1016. io[2],io[3],il,ir,t0,t1);
  1017. CAMELLIA_ROUNDSM(io[2],io[3],
  1018. CamelliaSubkeyL(13),CamelliaSubkeyR(13),
  1019. io[0],io[1],il,ir,t0,t1);
  1020. CAMELLIA_ROUNDSM(io[0],io[1],
  1021. CamelliaSubkeyL(14),CamelliaSubkeyR(14),
  1022. io[2],io[3],il,ir,t0,t1);
  1023. CAMELLIA_ROUNDSM(io[2],io[3],
  1024. CamelliaSubkeyL(15),CamelliaSubkeyR(15),
  1025. io[0],io[1],il,ir,t0,t1);
  1026. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1027. CamelliaSubkeyL(16),CamelliaSubkeyR(16),
  1028. CamelliaSubkeyL(17),CamelliaSubkeyR(17),
  1029. t0,t1,il,ir);
  1030. CAMELLIA_ROUNDSM(io[0],io[1],
  1031. CamelliaSubkeyL(18),CamelliaSubkeyR(18),
  1032. io[2],io[3],il,ir,t0,t1);
  1033. CAMELLIA_ROUNDSM(io[2],io[3],
  1034. CamelliaSubkeyL(19),CamelliaSubkeyR(19),
  1035. io[0],io[1],il,ir,t0,t1);
  1036. CAMELLIA_ROUNDSM(io[0],io[1],
  1037. CamelliaSubkeyL(20),CamelliaSubkeyR(20),
  1038. io[2],io[3],il,ir,t0,t1);
  1039. CAMELLIA_ROUNDSM(io[2],io[3],
  1040. CamelliaSubkeyL(21),CamelliaSubkeyR(21),
  1041. io[0],io[1],il,ir,t0,t1);
  1042. CAMELLIA_ROUNDSM(io[0],io[1],
  1043. CamelliaSubkeyL(22),CamelliaSubkeyR(22),
  1044. io[2],io[3],il,ir,t0,t1);
  1045. CAMELLIA_ROUNDSM(io[2],io[3],
  1046. CamelliaSubkeyL(23),CamelliaSubkeyR(23),
  1047. io[0],io[1],il,ir,t0,t1);
  1048. /* post whitening but kw4 */
  1049. io[2] ^= CamelliaSubkeyL(24);
  1050. io[3] ^= CamelliaSubkeyR(24);
  1051. t0 = io[0];
  1052. t1 = io[1];
  1053. io[0] = io[2];
  1054. io[1] = io[3];
  1055. io[2] = t0;
  1056. io[3] = t1;
  1057. return;
  1058. }
  1059. static void camellia_decrypt128(const u32 *subkey, u32 *io)
  1060. {
  1061. u32 il,ir,t0,t1; /* temporary variables */
  1062. /* pre whitening but absorb kw2*/
  1063. io[0] ^= CamelliaSubkeyL(24);
  1064. io[1] ^= CamelliaSubkeyR(24);
  1065. /* main iteration */
  1066. CAMELLIA_ROUNDSM(io[0],io[1],
  1067. CamelliaSubkeyL(23),CamelliaSubkeyR(23),
  1068. io[2],io[3],il,ir,t0,t1);
  1069. CAMELLIA_ROUNDSM(io[2],io[3],
  1070. CamelliaSubkeyL(22),CamelliaSubkeyR(22),
  1071. io[0],io[1],il,ir,t0,t1);
  1072. CAMELLIA_ROUNDSM(io[0],io[1],
  1073. CamelliaSubkeyL(21),CamelliaSubkeyR(21),
  1074. io[2],io[3],il,ir,t0,t1);
  1075. CAMELLIA_ROUNDSM(io[2],io[3],
  1076. CamelliaSubkeyL(20),CamelliaSubkeyR(20),
  1077. io[0],io[1],il,ir,t0,t1);
  1078. CAMELLIA_ROUNDSM(io[0],io[1],
  1079. CamelliaSubkeyL(19),CamelliaSubkeyR(19),
  1080. io[2],io[3],il,ir,t0,t1);
  1081. CAMELLIA_ROUNDSM(io[2],io[3],
  1082. CamelliaSubkeyL(18),CamelliaSubkeyR(18),
  1083. io[0],io[1],il,ir,t0,t1);
  1084. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1085. CamelliaSubkeyL(17),CamelliaSubkeyR(17),
  1086. CamelliaSubkeyL(16),CamelliaSubkeyR(16),
  1087. t0,t1,il,ir);
  1088. CAMELLIA_ROUNDSM(io[0],io[1],
  1089. CamelliaSubkeyL(15),CamelliaSubkeyR(15),
  1090. io[2],io[3],il,ir,t0,t1);
  1091. CAMELLIA_ROUNDSM(io[2],io[3],
  1092. CamelliaSubkeyL(14),CamelliaSubkeyR(14),
  1093. io[0],io[1],il,ir,t0,t1);
  1094. CAMELLIA_ROUNDSM(io[0],io[1],
  1095. CamelliaSubkeyL(13),CamelliaSubkeyR(13),
  1096. io[2],io[3],il,ir,t0,t1);
  1097. CAMELLIA_ROUNDSM(io[2],io[3],
  1098. CamelliaSubkeyL(12),CamelliaSubkeyR(12),
  1099. io[0],io[1],il,ir,t0,t1);
  1100. CAMELLIA_ROUNDSM(io[0],io[1],
  1101. CamelliaSubkeyL(11),CamelliaSubkeyR(11),
  1102. io[2],io[3],il,ir,t0,t1);
  1103. CAMELLIA_ROUNDSM(io[2],io[3],
  1104. CamelliaSubkeyL(10),CamelliaSubkeyR(10),
  1105. io[0],io[1],il,ir,t0,t1);
  1106. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1107. CamelliaSubkeyL(9),CamelliaSubkeyR(9),
  1108. CamelliaSubkeyL(8),CamelliaSubkeyR(8),
  1109. t0,t1,il,ir);
  1110. CAMELLIA_ROUNDSM(io[0],io[1],
  1111. CamelliaSubkeyL(7),CamelliaSubkeyR(7),
  1112. io[2],io[3],il,ir,t0,t1);
  1113. CAMELLIA_ROUNDSM(io[2],io[3],
  1114. CamelliaSubkeyL(6),CamelliaSubkeyR(6),
  1115. io[0],io[1],il,ir,t0,t1);
  1116. CAMELLIA_ROUNDSM(io[0],io[1],
  1117. CamelliaSubkeyL(5),CamelliaSubkeyR(5),
  1118. io[2],io[3],il,ir,t0,t1);
  1119. CAMELLIA_ROUNDSM(io[2],io[3],
  1120. CamelliaSubkeyL(4),CamelliaSubkeyR(4),
  1121. io[0],io[1],il,ir,t0,t1);
  1122. CAMELLIA_ROUNDSM(io[0],io[1],
  1123. CamelliaSubkeyL(3),CamelliaSubkeyR(3),
  1124. io[2],io[3],il,ir,t0,t1);
  1125. CAMELLIA_ROUNDSM(io[2],io[3],
  1126. CamelliaSubkeyL(2),CamelliaSubkeyR(2),
  1127. io[0],io[1],il,ir,t0,t1);
  1128. /* post whitening but kw4 */
  1129. io[2] ^= CamelliaSubkeyL(0);
  1130. io[3] ^= CamelliaSubkeyR(0);
  1131. t0 = io[0];
  1132. t1 = io[1];
  1133. io[0] = io[2];
  1134. io[1] = io[3];
  1135. io[2] = t0;
  1136. io[3] = t1;
  1137. return;
  1138. }
  1139. /**
  1140. * stuff for 192 and 256bit encryption/decryption
  1141. */
  1142. static void camellia_encrypt256(const u32 *subkey, u32 *io)
  1143. {
  1144. u32 il,ir,t0,t1; /* temporary variables */
  1145. /* pre whitening but absorb kw2*/
  1146. io[0] ^= CamelliaSubkeyL(0);
  1147. io[1] ^= CamelliaSubkeyR(0);
  1148. /* main iteration */
  1149. CAMELLIA_ROUNDSM(io[0],io[1],
  1150. CamelliaSubkeyL(2),CamelliaSubkeyR(2),
  1151. io[2],io[3],il,ir,t0,t1);
  1152. CAMELLIA_ROUNDSM(io[2],io[3],
  1153. CamelliaSubkeyL(3),CamelliaSubkeyR(3),
  1154. io[0],io[1],il,ir,t0,t1);
  1155. CAMELLIA_ROUNDSM(io[0],io[1],
  1156. CamelliaSubkeyL(4),CamelliaSubkeyR(4),
  1157. io[2],io[3],il,ir,t0,t1);
  1158. CAMELLIA_ROUNDSM(io[2],io[3],
  1159. CamelliaSubkeyL(5),CamelliaSubkeyR(5),
  1160. io[0],io[1],il,ir,t0,t1);
  1161. CAMELLIA_ROUNDSM(io[0],io[1],
  1162. CamelliaSubkeyL(6),CamelliaSubkeyR(6),
  1163. io[2],io[3],il,ir,t0,t1);
  1164. CAMELLIA_ROUNDSM(io[2],io[3],
  1165. CamelliaSubkeyL(7),CamelliaSubkeyR(7),
  1166. io[0],io[1],il,ir,t0,t1);
  1167. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1168. CamelliaSubkeyL(8),CamelliaSubkeyR(8),
  1169. CamelliaSubkeyL(9),CamelliaSubkeyR(9),
  1170. t0,t1,il,ir);
  1171. CAMELLIA_ROUNDSM(io[0],io[1],
  1172. CamelliaSubkeyL(10),CamelliaSubkeyR(10),
  1173. io[2],io[3],il,ir,t0,t1);
  1174. CAMELLIA_ROUNDSM(io[2],io[3],
  1175. CamelliaSubkeyL(11),CamelliaSubkeyR(11),
  1176. io[0],io[1],il,ir,t0,t1);
  1177. CAMELLIA_ROUNDSM(io[0],io[1],
  1178. CamelliaSubkeyL(12),CamelliaSubkeyR(12),
  1179. io[2],io[3],il,ir,t0,t1);
  1180. CAMELLIA_ROUNDSM(io[2],io[3],
  1181. CamelliaSubkeyL(13),CamelliaSubkeyR(13),
  1182. io[0],io[1],il,ir,t0,t1);
  1183. CAMELLIA_ROUNDSM(io[0],io[1],
  1184. CamelliaSubkeyL(14),CamelliaSubkeyR(14),
  1185. io[2],io[3],il,ir,t0,t1);
  1186. CAMELLIA_ROUNDSM(io[2],io[3],
  1187. CamelliaSubkeyL(15),CamelliaSubkeyR(15),
  1188. io[0],io[1],il,ir,t0,t1);
  1189. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1190. CamelliaSubkeyL(16),CamelliaSubkeyR(16),
  1191. CamelliaSubkeyL(17),CamelliaSubkeyR(17),
  1192. t0,t1,il,ir);
  1193. CAMELLIA_ROUNDSM(io[0],io[1],
  1194. CamelliaSubkeyL(18),CamelliaSubkeyR(18),
  1195. io[2],io[3],il,ir,t0,t1);
  1196. CAMELLIA_ROUNDSM(io[2],io[3],
  1197. CamelliaSubkeyL(19),CamelliaSubkeyR(19),
  1198. io[0],io[1],il,ir,t0,t1);
  1199. CAMELLIA_ROUNDSM(io[0],io[1],
  1200. CamelliaSubkeyL(20),CamelliaSubkeyR(20),
  1201. io[2],io[3],il,ir,t0,t1);
  1202. CAMELLIA_ROUNDSM(io[2],io[3],
  1203. CamelliaSubkeyL(21),CamelliaSubkeyR(21),
  1204. io[0],io[1],il,ir,t0,t1);
  1205. CAMELLIA_ROUNDSM(io[0],io[1],
  1206. CamelliaSubkeyL(22),CamelliaSubkeyR(22),
  1207. io[2],io[3],il,ir,t0,t1);
  1208. CAMELLIA_ROUNDSM(io[2],io[3],
  1209. CamelliaSubkeyL(23),CamelliaSubkeyR(23),
  1210. io[0],io[1],il,ir,t0,t1);
  1211. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1212. CamelliaSubkeyL(24),CamelliaSubkeyR(24),
  1213. CamelliaSubkeyL(25),CamelliaSubkeyR(25),
  1214. t0,t1,il,ir);
  1215. CAMELLIA_ROUNDSM(io[0],io[1],
  1216. CamelliaSubkeyL(26),CamelliaSubkeyR(26),
  1217. io[2],io[3],il,ir,t0,t1);
  1218. CAMELLIA_ROUNDSM(io[2],io[3],
  1219. CamelliaSubkeyL(27),CamelliaSubkeyR(27),
  1220. io[0],io[1],il,ir,t0,t1);
  1221. CAMELLIA_ROUNDSM(io[0],io[1],
  1222. CamelliaSubkeyL(28),CamelliaSubkeyR(28),
  1223. io[2],io[3],il,ir,t0,t1);
  1224. CAMELLIA_ROUNDSM(io[2],io[3],
  1225. CamelliaSubkeyL(29),CamelliaSubkeyR(29),
  1226. io[0],io[1],il,ir,t0,t1);
  1227. CAMELLIA_ROUNDSM(io[0],io[1],
  1228. CamelliaSubkeyL(30),CamelliaSubkeyR(30),
  1229. io[2],io[3],il,ir,t0,t1);
  1230. CAMELLIA_ROUNDSM(io[2],io[3],
  1231. CamelliaSubkeyL(31),CamelliaSubkeyR(31),
  1232. io[0],io[1],il,ir,t0,t1);
  1233. /* post whitening but kw4 */
  1234. io[2] ^= CamelliaSubkeyL(32);
  1235. io[3] ^= CamelliaSubkeyR(32);
  1236. t0 = io[0];
  1237. t1 = io[1];
  1238. io[0] = io[2];
  1239. io[1] = io[3];
  1240. io[2] = t0;
  1241. io[3] = t1;
  1242. return;
  1243. }
  1244. static void camellia_decrypt256(const u32 *subkey, u32 *io)
  1245. {
  1246. u32 il,ir,t0,t1; /* temporary variables */
  1247. /* pre whitening but absorb kw2*/
  1248. io[0] ^= CamelliaSubkeyL(32);
  1249. io[1] ^= CamelliaSubkeyR(32);
  1250. /* main iteration */
  1251. CAMELLIA_ROUNDSM(io[0],io[1],
  1252. CamelliaSubkeyL(31),CamelliaSubkeyR(31),
  1253. io[2],io[3],il,ir,t0,t1);
  1254. CAMELLIA_ROUNDSM(io[2],io[3],
  1255. CamelliaSubkeyL(30),CamelliaSubkeyR(30),
  1256. io[0],io[1],il,ir,t0,t1);
  1257. CAMELLIA_ROUNDSM(io[0],io[1],
  1258. CamelliaSubkeyL(29),CamelliaSubkeyR(29),
  1259. io[2],io[3],il,ir,t0,t1);
  1260. CAMELLIA_ROUNDSM(io[2],io[3],
  1261. CamelliaSubkeyL(28),CamelliaSubkeyR(28),
  1262. io[0],io[1],il,ir,t0,t1);
  1263. CAMELLIA_ROUNDSM(io[0],io[1],
  1264. CamelliaSubkeyL(27),CamelliaSubkeyR(27),
  1265. io[2],io[3],il,ir,t0,t1);
  1266. CAMELLIA_ROUNDSM(io[2],io[3],
  1267. CamelliaSubkeyL(26),CamelliaSubkeyR(26),
  1268. io[0],io[1],il,ir,t0,t1);
  1269. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1270. CamelliaSubkeyL(25),CamelliaSubkeyR(25),
  1271. CamelliaSubkeyL(24),CamelliaSubkeyR(24),
  1272. t0,t1,il,ir);
  1273. CAMELLIA_ROUNDSM(io[0],io[1],
  1274. CamelliaSubkeyL(23),CamelliaSubkeyR(23),
  1275. io[2],io[3],il,ir,t0,t1);
  1276. CAMELLIA_ROUNDSM(io[2],io[3],
  1277. CamelliaSubkeyL(22),CamelliaSubkeyR(22),
  1278. io[0],io[1],il,ir,t0,t1);
  1279. CAMELLIA_ROUNDSM(io[0],io[1],
  1280. CamelliaSubkeyL(21),CamelliaSubkeyR(21),
  1281. io[2],io[3],il,ir,t0,t1);
  1282. CAMELLIA_ROUNDSM(io[2],io[3],
  1283. CamelliaSubkeyL(20),CamelliaSubkeyR(20),
  1284. io[0],io[1],il,ir,t0,t1);
  1285. CAMELLIA_ROUNDSM(io[0],io[1],
  1286. CamelliaSubkeyL(19),CamelliaSubkeyR(19),
  1287. io[2],io[3],il,ir,t0,t1);
  1288. CAMELLIA_ROUNDSM(io[2],io[3],
  1289. CamelliaSubkeyL(18),CamelliaSubkeyR(18),
  1290. io[0],io[1],il,ir,t0,t1);
  1291. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1292. CamelliaSubkeyL(17),CamelliaSubkeyR(17),
  1293. CamelliaSubkeyL(16),CamelliaSubkeyR(16),
  1294. t0,t1,il,ir);
  1295. CAMELLIA_ROUNDSM(io[0],io[1],
  1296. CamelliaSubkeyL(15),CamelliaSubkeyR(15),
  1297. io[2],io[3],il,ir,t0,t1);
  1298. CAMELLIA_ROUNDSM(io[2],io[3],
  1299. CamelliaSubkeyL(14),CamelliaSubkeyR(14),
  1300. io[0],io[1],il,ir,t0,t1);
  1301. CAMELLIA_ROUNDSM(io[0],io[1],
  1302. CamelliaSubkeyL(13),CamelliaSubkeyR(13),
  1303. io[2],io[3],il,ir,t0,t1);
  1304. CAMELLIA_ROUNDSM(io[2],io[3],
  1305. CamelliaSubkeyL(12),CamelliaSubkeyR(12),
  1306. io[0],io[1],il,ir,t0,t1);
  1307. CAMELLIA_ROUNDSM(io[0],io[1],
  1308. CamelliaSubkeyL(11),CamelliaSubkeyR(11),
  1309. io[2],io[3],il,ir,t0,t1);
  1310. CAMELLIA_ROUNDSM(io[2],io[3],
  1311. CamelliaSubkeyL(10),CamelliaSubkeyR(10),
  1312. io[0],io[1],il,ir,t0,t1);
  1313. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1314. CamelliaSubkeyL(9),CamelliaSubkeyR(9),
  1315. CamelliaSubkeyL(8),CamelliaSubkeyR(8),
  1316. t0,t1,il,ir);
  1317. CAMELLIA_ROUNDSM(io[0],io[1],
  1318. CamelliaSubkeyL(7),CamelliaSubkeyR(7),
  1319. io[2],io[3],il,ir,t0,t1);
  1320. CAMELLIA_ROUNDSM(io[2],io[3],
  1321. CamelliaSubkeyL(6),CamelliaSubkeyR(6),
  1322. io[0],io[1],il,ir,t0,t1);
  1323. CAMELLIA_ROUNDSM(io[0],io[1],
  1324. CamelliaSubkeyL(5),CamelliaSubkeyR(5),
  1325. io[2],io[3],il,ir,t0,t1);
  1326. CAMELLIA_ROUNDSM(io[2],io[3],
  1327. CamelliaSubkeyL(4),CamelliaSubkeyR(4),
  1328. io[0],io[1],il,ir,t0,t1);
  1329. CAMELLIA_ROUNDSM(io[0],io[1],
  1330. CamelliaSubkeyL(3),CamelliaSubkeyR(3),
  1331. io[2],io[3],il,ir,t0,t1);
  1332. CAMELLIA_ROUNDSM(io[2],io[3],
  1333. CamelliaSubkeyL(2),CamelliaSubkeyR(2),
  1334. io[0],io[1],il,ir,t0,t1);
  1335. /* post whitening but kw4 */
  1336. io[2] ^= CamelliaSubkeyL(0);
  1337. io[3] ^= CamelliaSubkeyR(0);
  1338. t0 = io[0];
  1339. t1 = io[1];
  1340. io[0] = io[2];
  1341. io[1] = io[3];
  1342. io[2] = t0;
  1343. io[3] = t1;
  1344. return;
  1345. }
  1346. /***
  1347. *
  1348. * API for compatibility
  1349. */
  1350. static void Camellia_EncryptBlock(const int keyBitLength,
  1351. const unsigned char *plaintext,
  1352. const KEY_TABLE_TYPE keyTable,
  1353. unsigned char *ciphertext)
  1354. {
  1355. u32 tmp[4];
  1356. tmp[0] = GETU32(plaintext);
  1357. tmp[1] = GETU32(plaintext + 4);
  1358. tmp[2] = GETU32(plaintext + 8);
  1359. tmp[3] = GETU32(plaintext + 12);
  1360. switch (keyBitLength) {
  1361. case 128:
  1362. camellia_encrypt128(keyTable, tmp);
  1363. break;
  1364. case 192:
  1365. /* fall through */
  1366. case 256:
  1367. camellia_encrypt256(keyTable, tmp);
  1368. break;
  1369. default:
  1370. break;
  1371. }
  1372. PUTU32(ciphertext, tmp[0]);
  1373. PUTU32(ciphertext + 4, tmp[1]);
  1374. PUTU32(ciphertext + 8, tmp[2]);
  1375. PUTU32(ciphertext + 12, tmp[3]);
  1376. }
  1377. static void Camellia_DecryptBlock(const int keyBitLength,
  1378. const unsigned char *ciphertext,
  1379. const KEY_TABLE_TYPE keyTable,
  1380. unsigned char *plaintext)
  1381. {
  1382. u32 tmp[4];
  1383. tmp[0] = GETU32(ciphertext);
  1384. tmp[1] = GETU32(ciphertext + 4);
  1385. tmp[2] = GETU32(ciphertext + 8);
  1386. tmp[3] = GETU32(ciphertext + 12);
  1387. switch (keyBitLength) {
  1388. case 128:
  1389. camellia_decrypt128(keyTable, tmp);
  1390. break;
  1391. case 192:
  1392. /* fall through */
  1393. case 256:
  1394. camellia_decrypt256(keyTable, tmp);
  1395. break;
  1396. default:
  1397. break;
  1398. }
  1399. PUTU32(plaintext, tmp[0]);
  1400. PUTU32(plaintext + 4, tmp[1]);
  1401. PUTU32(plaintext + 8, tmp[2]);
  1402. PUTU32(plaintext + 12, tmp[3]);
  1403. }
  1404. /* wolfCrypt wrappers to the Camellia code */
  1405. int wc_CamelliaSetKey(Camellia* cam, const byte* key, word32 len, const byte* iv)
  1406. {
  1407. int ret = 0;
  1408. if (cam == NULL) return BAD_FUNC_ARG;
  1409. XMEMSET(cam->key, 0, sizeof(KEY_TABLE_TYPE));
  1410. switch (len) {
  1411. case 16:
  1412. ret = camellia_setup128(key, cam->key);
  1413. break;
  1414. case 24:
  1415. ret = camellia_setup192(key, cam->key);
  1416. break;
  1417. case 32:
  1418. ret = camellia_setup256(key, cam->key);
  1419. break;
  1420. default:
  1421. return BAD_FUNC_ARG;
  1422. }
  1423. if (ret != 0)
  1424. return ret;
  1425. cam->keySz = len * 8;
  1426. return wc_CamelliaSetIV(cam, iv);
  1427. }
  1428. int wc_CamelliaSetIV(Camellia* cam, const byte* iv)
  1429. {
  1430. if (cam == NULL)
  1431. return BAD_FUNC_ARG;
  1432. if (iv)
  1433. XMEMCPY(cam->reg, iv, CAMELLIA_BLOCK_SIZE);
  1434. else
  1435. XMEMSET(cam->reg, 0, CAMELLIA_BLOCK_SIZE);
  1436. return 0;
  1437. }
  1438. int wc_CamelliaEncryptDirect(Camellia* cam, byte* out, const byte* in)
  1439. {
  1440. if (cam == NULL || out == NULL || in == NULL) {
  1441. return BAD_FUNC_ARG;
  1442. }
  1443. Camellia_EncryptBlock(cam->keySz, in, cam->key, out);
  1444. return 0;
  1445. }
  1446. int wc_CamelliaDecryptDirect(Camellia* cam, byte* out, const byte* in)
  1447. {
  1448. if (cam == NULL || out == NULL || in == NULL) {
  1449. return BAD_FUNC_ARG;
  1450. }
  1451. Camellia_DecryptBlock(cam->keySz, in, cam->key, out);
  1452. return 0;
  1453. }
  1454. int wc_CamelliaCbcEncrypt(Camellia* cam, byte* out, const byte* in, word32 sz)
  1455. {
  1456. word32 blocks;
  1457. if (cam == NULL || out == NULL || in == NULL) {
  1458. return BAD_FUNC_ARG;
  1459. }
  1460. blocks = sz / CAMELLIA_BLOCK_SIZE;
  1461. while (blocks--) {
  1462. xorbuf((byte*)cam->reg, in, CAMELLIA_BLOCK_SIZE);
  1463. Camellia_EncryptBlock(cam->keySz, (byte*)cam->reg,
  1464. cam->key, (byte*)cam->reg);
  1465. XMEMCPY(out, cam->reg, CAMELLIA_BLOCK_SIZE);
  1466. out += CAMELLIA_BLOCK_SIZE;
  1467. in += CAMELLIA_BLOCK_SIZE;
  1468. }
  1469. return 0;
  1470. }
  1471. int wc_CamelliaCbcDecrypt(Camellia* cam, byte* out, const byte* in, word32 sz)
  1472. {
  1473. word32 blocks;
  1474. if (cam == NULL || out == NULL || in == NULL) {
  1475. return BAD_FUNC_ARG;
  1476. }
  1477. blocks = sz / CAMELLIA_BLOCK_SIZE;
  1478. while (blocks--) {
  1479. XMEMCPY(cam->tmp, in, CAMELLIA_BLOCK_SIZE);
  1480. Camellia_DecryptBlock(cam->keySz, (byte*)cam->tmp, cam->key, out);
  1481. xorbuf(out, (byte*)cam->reg, CAMELLIA_BLOCK_SIZE);
  1482. XMEMCPY(cam->reg, cam->tmp, CAMELLIA_BLOCK_SIZE);
  1483. out += CAMELLIA_BLOCK_SIZE;
  1484. in += CAMELLIA_BLOCK_SIZE;
  1485. }
  1486. return 0;
  1487. }
  1488. #endif /* HAVE_CAMELLIA */