camellia.c 54 KB

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  1. /* camellia.h ver 1.2.0
  2. *
  3. * Copyright (C) 2006,2007
  4. * NTT (Nippon Telegraph and Telephone Corporation).
  5. *
  6. * This library is free software; you can redistribute it and/or
  7. * modify it under the terms of the GNU Lesser General Public
  8. * License as published by the Free Software Foundation; either
  9. * version 2.1 of the License, or (at your option) any later version.
  10. *
  11. * This library is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14. * Lesser General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU Lesser General Public
  17. * License along with this library; if not, write to the Free Software
  18. * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  19. */
  20. /*
  21. * Algorithm Specification
  22. * http://info.isl.ntt.co.jp/crypt/eng/camellia/specifications.html
  23. */
  24. #include <string.h>
  25. #include <stdlib.h>
  26. #include "camellia.h"
  27. /* u32 must be 32bit word */
  28. typedef unsigned int u32;
  29. typedef unsigned char u8;
  30. /* key constants */
  31. #define CAMELLIA_SIGMA1L (0xA09E667FL)
  32. #define CAMELLIA_SIGMA1R (0x3BCC908BL)
  33. #define CAMELLIA_SIGMA2L (0xB67AE858L)
  34. #define CAMELLIA_SIGMA2R (0x4CAA73B2L)
  35. #define CAMELLIA_SIGMA3L (0xC6EF372FL)
  36. #define CAMELLIA_SIGMA3R (0xE94F82BEL)
  37. #define CAMELLIA_SIGMA4L (0x54FF53A5L)
  38. #define CAMELLIA_SIGMA4R (0xF1D36F1CL)
  39. #define CAMELLIA_SIGMA5L (0x10E527FAL)
  40. #define CAMELLIA_SIGMA5R (0xDE682D1DL)
  41. #define CAMELLIA_SIGMA6L (0xB05688C2L)
  42. #define CAMELLIA_SIGMA6R (0xB3E6C1FDL)
  43. /*
  44. * macros
  45. */
  46. #if defined(_MSC_VER)
  47. # define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00)
  48. # define GETU32(p) SWAP(*((u32 *)(p)))
  49. # define PUTU32(ct, st) {*((u32 *)(ct)) = SWAP((st));}
  50. #else /* not MS-VC */
  51. # define GETU32(pt) \
  52. (((u32)(pt)[0] << 24) \
  53. ^ ((u32)(pt)[1] << 16) \
  54. ^ ((u32)(pt)[2] << 8) \
  55. ^ ((u32)(pt)[3]))
  56. # define PUTU32(ct, st) { \
  57. (ct)[0] = (u8)((st) >> 24); \
  58. (ct)[1] = (u8)((st) >> 16); \
  59. (ct)[2] = (u8)((st) >> 8); \
  60. (ct)[3] = (u8)(st); }
  61. #endif
  62. #define CamelliaSubkeyL(INDEX) (subkey[(INDEX)*2])
  63. #define CamelliaSubkeyR(INDEX) (subkey[(INDEX)*2 + 1])
  64. /* rotation right shift 1byte */
  65. #define CAMELLIA_RR8(x) (((x) >> 8) + ((x) << 24))
  66. /* rotation left shift 1bit */
  67. #define CAMELLIA_RL1(x) (((x) << 1) + ((x) >> 31))
  68. /* rotation left shift 1byte */
  69. #define CAMELLIA_RL8(x) (((x) << 8) + ((x) >> 24))
  70. #define CAMELLIA_ROLDQ(ll, lr, rl, rr, w0, w1, bits) \
  71. do { \
  72. w0 = ll; \
  73. ll = (ll << bits) + (lr >> (32 - bits)); \
  74. lr = (lr << bits) + (rl >> (32 - bits)); \
  75. rl = (rl << bits) + (rr >> (32 - bits)); \
  76. rr = (rr << bits) + (w0 >> (32 - bits)); \
  77. } while(0)
  78. #define CAMELLIA_ROLDQo32(ll, lr, rl, rr, w0, w1, bits) \
  79. do { \
  80. w0 = ll; \
  81. w1 = lr; \
  82. ll = (lr << (bits - 32)) + (rl >> (64 - bits)); \
  83. lr = (rl << (bits - 32)) + (rr >> (64 - bits)); \
  84. rl = (rr << (bits - 32)) + (w0 >> (64 - bits)); \
  85. rr = (w0 << (bits - 32)) + (w1 >> (64 - bits)); \
  86. } while(0)
  87. #define CAMELLIA_SP1110(INDEX) (camellia_sp1110[(INDEX)])
  88. #define CAMELLIA_SP0222(INDEX) (camellia_sp0222[(INDEX)])
  89. #define CAMELLIA_SP3033(INDEX) (camellia_sp3033[(INDEX)])
  90. #define CAMELLIA_SP4404(INDEX) (camellia_sp4404[(INDEX)])
  91. #define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \
  92. do { \
  93. il = xl ^ kl; \
  94. ir = xr ^ kr; \
  95. t0 = il >> 16; \
  96. t1 = ir >> 16; \
  97. yl = CAMELLIA_SP1110(ir & 0xff) \
  98. ^ CAMELLIA_SP0222((t1 >> 8) & 0xff) \
  99. ^ CAMELLIA_SP3033(t1 & 0xff) \
  100. ^ CAMELLIA_SP4404((ir >> 8) & 0xff); \
  101. yr = CAMELLIA_SP1110((t0 >> 8) & 0xff) \
  102. ^ CAMELLIA_SP0222(t0 & 0xff) \
  103. ^ CAMELLIA_SP3033((il >> 8) & 0xff) \
  104. ^ CAMELLIA_SP4404(il & 0xff); \
  105. yl ^= yr; \
  106. yr = CAMELLIA_RR8(yr); \
  107. yr ^= yl; \
  108. } while(0)
  109. /*
  110. * for speed up
  111. *
  112. */
  113. #define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) \
  114. do { \
  115. t0 = kll; \
  116. t0 &= ll; \
  117. lr ^= CAMELLIA_RL1(t0); \
  118. t1 = klr; \
  119. t1 |= lr; \
  120. ll ^= t1; \
  121. \
  122. t2 = krr; \
  123. t2 |= rr; \
  124. rl ^= t2; \
  125. t3 = krl; \
  126. t3 &= rl; \
  127. rr ^= CAMELLIA_RL1(t3); \
  128. } while(0)
  129. #define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \
  130. do { \
  131. ir = CAMELLIA_SP1110(xr & 0xff) \
  132. ^ CAMELLIA_SP0222((xr >> 24) & 0xff) \
  133. ^ CAMELLIA_SP3033((xr >> 16) & 0xff) \
  134. ^ CAMELLIA_SP4404((xr >> 8) & 0xff); \
  135. il = CAMELLIA_SP1110((xl >> 24) & 0xff) \
  136. ^ CAMELLIA_SP0222((xl >> 16) & 0xff) \
  137. ^ CAMELLIA_SP3033((xl >> 8) & 0xff) \
  138. ^ CAMELLIA_SP4404(xl & 0xff); \
  139. il ^= kl; \
  140. ir ^= kr; \
  141. ir ^= il; \
  142. il = CAMELLIA_RR8(il); \
  143. il ^= ir; \
  144. yl ^= ir; \
  145. yr ^= il; \
  146. } while(0)
  147. static const u32 camellia_sp1110[256] = {
  148. 0x70707000,0x82828200,0x2c2c2c00,0xececec00,
  149. 0xb3b3b300,0x27272700,0xc0c0c000,0xe5e5e500,
  150. 0xe4e4e400,0x85858500,0x57575700,0x35353500,
  151. 0xeaeaea00,0x0c0c0c00,0xaeaeae00,0x41414100,
  152. 0x23232300,0xefefef00,0x6b6b6b00,0x93939300,
  153. 0x45454500,0x19191900,0xa5a5a500,0x21212100,
  154. 0xededed00,0x0e0e0e00,0x4f4f4f00,0x4e4e4e00,
  155. 0x1d1d1d00,0x65656500,0x92929200,0xbdbdbd00,
  156. 0x86868600,0xb8b8b800,0xafafaf00,0x8f8f8f00,
  157. 0x7c7c7c00,0xebebeb00,0x1f1f1f00,0xcecece00,
  158. 0x3e3e3e00,0x30303000,0xdcdcdc00,0x5f5f5f00,
  159. 0x5e5e5e00,0xc5c5c500,0x0b0b0b00,0x1a1a1a00,
  160. 0xa6a6a600,0xe1e1e100,0x39393900,0xcacaca00,
  161. 0xd5d5d500,0x47474700,0x5d5d5d00,0x3d3d3d00,
  162. 0xd9d9d900,0x01010100,0x5a5a5a00,0xd6d6d600,
  163. 0x51515100,0x56565600,0x6c6c6c00,0x4d4d4d00,
  164. 0x8b8b8b00,0x0d0d0d00,0x9a9a9a00,0x66666600,
  165. 0xfbfbfb00,0xcccccc00,0xb0b0b000,0x2d2d2d00,
  166. 0x74747400,0x12121200,0x2b2b2b00,0x20202000,
  167. 0xf0f0f000,0xb1b1b100,0x84848400,0x99999900,
  168. 0xdfdfdf00,0x4c4c4c00,0xcbcbcb00,0xc2c2c200,
  169. 0x34343400,0x7e7e7e00,0x76767600,0x05050500,
  170. 0x6d6d6d00,0xb7b7b700,0xa9a9a900,0x31313100,
  171. 0xd1d1d100,0x17171700,0x04040400,0xd7d7d700,
  172. 0x14141400,0x58585800,0x3a3a3a00,0x61616100,
  173. 0xdedede00,0x1b1b1b00,0x11111100,0x1c1c1c00,
  174. 0x32323200,0x0f0f0f00,0x9c9c9c00,0x16161600,
  175. 0x53535300,0x18181800,0xf2f2f200,0x22222200,
  176. 0xfefefe00,0x44444400,0xcfcfcf00,0xb2b2b200,
  177. 0xc3c3c300,0xb5b5b500,0x7a7a7a00,0x91919100,
  178. 0x24242400,0x08080800,0xe8e8e800,0xa8a8a800,
  179. 0x60606000,0xfcfcfc00,0x69696900,0x50505000,
  180. 0xaaaaaa00,0xd0d0d000,0xa0a0a000,0x7d7d7d00,
  181. 0xa1a1a100,0x89898900,0x62626200,0x97979700,
  182. 0x54545400,0x5b5b5b00,0x1e1e1e00,0x95959500,
  183. 0xe0e0e000,0xffffff00,0x64646400,0xd2d2d200,
  184. 0x10101000,0xc4c4c400,0x00000000,0x48484800,
  185. 0xa3a3a300,0xf7f7f700,0x75757500,0xdbdbdb00,
  186. 0x8a8a8a00,0x03030300,0xe6e6e600,0xdadada00,
  187. 0x09090900,0x3f3f3f00,0xdddddd00,0x94949400,
  188. 0x87878700,0x5c5c5c00,0x83838300,0x02020200,
  189. 0xcdcdcd00,0x4a4a4a00,0x90909000,0x33333300,
  190. 0x73737300,0x67676700,0xf6f6f600,0xf3f3f300,
  191. 0x9d9d9d00,0x7f7f7f00,0xbfbfbf00,0xe2e2e200,
  192. 0x52525200,0x9b9b9b00,0xd8d8d800,0x26262600,
  193. 0xc8c8c800,0x37373700,0xc6c6c600,0x3b3b3b00,
  194. 0x81818100,0x96969600,0x6f6f6f00,0x4b4b4b00,
  195. 0x13131300,0xbebebe00,0x63636300,0x2e2e2e00,
  196. 0xe9e9e900,0x79797900,0xa7a7a700,0x8c8c8c00,
  197. 0x9f9f9f00,0x6e6e6e00,0xbcbcbc00,0x8e8e8e00,
  198. 0x29292900,0xf5f5f500,0xf9f9f900,0xb6b6b600,
  199. 0x2f2f2f00,0xfdfdfd00,0xb4b4b400,0x59595900,
  200. 0x78787800,0x98989800,0x06060600,0x6a6a6a00,
  201. 0xe7e7e700,0x46464600,0x71717100,0xbababa00,
  202. 0xd4d4d400,0x25252500,0xababab00,0x42424200,
  203. 0x88888800,0xa2a2a200,0x8d8d8d00,0xfafafa00,
  204. 0x72727200,0x07070700,0xb9b9b900,0x55555500,
  205. 0xf8f8f800,0xeeeeee00,0xacacac00,0x0a0a0a00,
  206. 0x36363600,0x49494900,0x2a2a2a00,0x68686800,
  207. 0x3c3c3c00,0x38383800,0xf1f1f100,0xa4a4a400,
  208. 0x40404000,0x28282800,0xd3d3d300,0x7b7b7b00,
  209. 0xbbbbbb00,0xc9c9c900,0x43434300,0xc1c1c100,
  210. 0x15151500,0xe3e3e300,0xadadad00,0xf4f4f400,
  211. 0x77777700,0xc7c7c700,0x80808000,0x9e9e9e00,
  212. };
  213. static const u32 camellia_sp0222[256] = {
  214. 0x00e0e0e0,0x00050505,0x00585858,0x00d9d9d9,
  215. 0x00676767,0x004e4e4e,0x00818181,0x00cbcbcb,
  216. 0x00c9c9c9,0x000b0b0b,0x00aeaeae,0x006a6a6a,
  217. 0x00d5d5d5,0x00181818,0x005d5d5d,0x00828282,
  218. 0x00464646,0x00dfdfdf,0x00d6d6d6,0x00272727,
  219. 0x008a8a8a,0x00323232,0x004b4b4b,0x00424242,
  220. 0x00dbdbdb,0x001c1c1c,0x009e9e9e,0x009c9c9c,
  221. 0x003a3a3a,0x00cacaca,0x00252525,0x007b7b7b,
  222. 0x000d0d0d,0x00717171,0x005f5f5f,0x001f1f1f,
  223. 0x00f8f8f8,0x00d7d7d7,0x003e3e3e,0x009d9d9d,
  224. 0x007c7c7c,0x00606060,0x00b9b9b9,0x00bebebe,
  225. 0x00bcbcbc,0x008b8b8b,0x00161616,0x00343434,
  226. 0x004d4d4d,0x00c3c3c3,0x00727272,0x00959595,
  227. 0x00ababab,0x008e8e8e,0x00bababa,0x007a7a7a,
  228. 0x00b3b3b3,0x00020202,0x00b4b4b4,0x00adadad,
  229. 0x00a2a2a2,0x00acacac,0x00d8d8d8,0x009a9a9a,
  230. 0x00171717,0x001a1a1a,0x00353535,0x00cccccc,
  231. 0x00f7f7f7,0x00999999,0x00616161,0x005a5a5a,
  232. 0x00e8e8e8,0x00242424,0x00565656,0x00404040,
  233. 0x00e1e1e1,0x00636363,0x00090909,0x00333333,
  234. 0x00bfbfbf,0x00989898,0x00979797,0x00858585,
  235. 0x00686868,0x00fcfcfc,0x00ececec,0x000a0a0a,
  236. 0x00dadada,0x006f6f6f,0x00535353,0x00626262,
  237. 0x00a3a3a3,0x002e2e2e,0x00080808,0x00afafaf,
  238. 0x00282828,0x00b0b0b0,0x00747474,0x00c2c2c2,
  239. 0x00bdbdbd,0x00363636,0x00222222,0x00383838,
  240. 0x00646464,0x001e1e1e,0x00393939,0x002c2c2c,
  241. 0x00a6a6a6,0x00303030,0x00e5e5e5,0x00444444,
  242. 0x00fdfdfd,0x00888888,0x009f9f9f,0x00656565,
  243. 0x00878787,0x006b6b6b,0x00f4f4f4,0x00232323,
  244. 0x00484848,0x00101010,0x00d1d1d1,0x00515151,
  245. 0x00c0c0c0,0x00f9f9f9,0x00d2d2d2,0x00a0a0a0,
  246. 0x00555555,0x00a1a1a1,0x00414141,0x00fafafa,
  247. 0x00434343,0x00131313,0x00c4c4c4,0x002f2f2f,
  248. 0x00a8a8a8,0x00b6b6b6,0x003c3c3c,0x002b2b2b,
  249. 0x00c1c1c1,0x00ffffff,0x00c8c8c8,0x00a5a5a5,
  250. 0x00202020,0x00898989,0x00000000,0x00909090,
  251. 0x00474747,0x00efefef,0x00eaeaea,0x00b7b7b7,
  252. 0x00151515,0x00060606,0x00cdcdcd,0x00b5b5b5,
  253. 0x00121212,0x007e7e7e,0x00bbbbbb,0x00292929,
  254. 0x000f0f0f,0x00b8b8b8,0x00070707,0x00040404,
  255. 0x009b9b9b,0x00949494,0x00212121,0x00666666,
  256. 0x00e6e6e6,0x00cecece,0x00ededed,0x00e7e7e7,
  257. 0x003b3b3b,0x00fefefe,0x007f7f7f,0x00c5c5c5,
  258. 0x00a4a4a4,0x00373737,0x00b1b1b1,0x004c4c4c,
  259. 0x00919191,0x006e6e6e,0x008d8d8d,0x00767676,
  260. 0x00030303,0x002d2d2d,0x00dedede,0x00969696,
  261. 0x00262626,0x007d7d7d,0x00c6c6c6,0x005c5c5c,
  262. 0x00d3d3d3,0x00f2f2f2,0x004f4f4f,0x00191919,
  263. 0x003f3f3f,0x00dcdcdc,0x00797979,0x001d1d1d,
  264. 0x00525252,0x00ebebeb,0x00f3f3f3,0x006d6d6d,
  265. 0x005e5e5e,0x00fbfbfb,0x00696969,0x00b2b2b2,
  266. 0x00f0f0f0,0x00313131,0x000c0c0c,0x00d4d4d4,
  267. 0x00cfcfcf,0x008c8c8c,0x00e2e2e2,0x00757575,
  268. 0x00a9a9a9,0x004a4a4a,0x00575757,0x00848484,
  269. 0x00111111,0x00454545,0x001b1b1b,0x00f5f5f5,
  270. 0x00e4e4e4,0x000e0e0e,0x00737373,0x00aaaaaa,
  271. 0x00f1f1f1,0x00dddddd,0x00595959,0x00141414,
  272. 0x006c6c6c,0x00929292,0x00545454,0x00d0d0d0,
  273. 0x00787878,0x00707070,0x00e3e3e3,0x00494949,
  274. 0x00808080,0x00505050,0x00a7a7a7,0x00f6f6f6,
  275. 0x00777777,0x00939393,0x00868686,0x00838383,
  276. 0x002a2a2a,0x00c7c7c7,0x005b5b5b,0x00e9e9e9,
  277. 0x00eeeeee,0x008f8f8f,0x00010101,0x003d3d3d,
  278. };
  279. static const u32 camellia_sp3033[256] = {
  280. 0x38003838,0x41004141,0x16001616,0x76007676,
  281. 0xd900d9d9,0x93009393,0x60006060,0xf200f2f2,
  282. 0x72007272,0xc200c2c2,0xab00abab,0x9a009a9a,
  283. 0x75007575,0x06000606,0x57005757,0xa000a0a0,
  284. 0x91009191,0xf700f7f7,0xb500b5b5,0xc900c9c9,
  285. 0xa200a2a2,0x8c008c8c,0xd200d2d2,0x90009090,
  286. 0xf600f6f6,0x07000707,0xa700a7a7,0x27002727,
  287. 0x8e008e8e,0xb200b2b2,0x49004949,0xde00dede,
  288. 0x43004343,0x5c005c5c,0xd700d7d7,0xc700c7c7,
  289. 0x3e003e3e,0xf500f5f5,0x8f008f8f,0x67006767,
  290. 0x1f001f1f,0x18001818,0x6e006e6e,0xaf00afaf,
  291. 0x2f002f2f,0xe200e2e2,0x85008585,0x0d000d0d,
  292. 0x53005353,0xf000f0f0,0x9c009c9c,0x65006565,
  293. 0xea00eaea,0xa300a3a3,0xae00aeae,0x9e009e9e,
  294. 0xec00ecec,0x80008080,0x2d002d2d,0x6b006b6b,
  295. 0xa800a8a8,0x2b002b2b,0x36003636,0xa600a6a6,
  296. 0xc500c5c5,0x86008686,0x4d004d4d,0x33003333,
  297. 0xfd00fdfd,0x66006666,0x58005858,0x96009696,
  298. 0x3a003a3a,0x09000909,0x95009595,0x10001010,
  299. 0x78007878,0xd800d8d8,0x42004242,0xcc00cccc,
  300. 0xef00efef,0x26002626,0xe500e5e5,0x61006161,
  301. 0x1a001a1a,0x3f003f3f,0x3b003b3b,0x82008282,
  302. 0xb600b6b6,0xdb00dbdb,0xd400d4d4,0x98009898,
  303. 0xe800e8e8,0x8b008b8b,0x02000202,0xeb00ebeb,
  304. 0x0a000a0a,0x2c002c2c,0x1d001d1d,0xb000b0b0,
  305. 0x6f006f6f,0x8d008d8d,0x88008888,0x0e000e0e,
  306. 0x19001919,0x87008787,0x4e004e4e,0x0b000b0b,
  307. 0xa900a9a9,0x0c000c0c,0x79007979,0x11001111,
  308. 0x7f007f7f,0x22002222,0xe700e7e7,0x59005959,
  309. 0xe100e1e1,0xda00dada,0x3d003d3d,0xc800c8c8,
  310. 0x12001212,0x04000404,0x74007474,0x54005454,
  311. 0x30003030,0x7e007e7e,0xb400b4b4,0x28002828,
  312. 0x55005555,0x68006868,0x50005050,0xbe00bebe,
  313. 0xd000d0d0,0xc400c4c4,0x31003131,0xcb00cbcb,
  314. 0x2a002a2a,0xad00adad,0x0f000f0f,0xca00caca,
  315. 0x70007070,0xff00ffff,0x32003232,0x69006969,
  316. 0x08000808,0x62006262,0x00000000,0x24002424,
  317. 0xd100d1d1,0xfb00fbfb,0xba00baba,0xed00eded,
  318. 0x45004545,0x81008181,0x73007373,0x6d006d6d,
  319. 0x84008484,0x9f009f9f,0xee00eeee,0x4a004a4a,
  320. 0xc300c3c3,0x2e002e2e,0xc100c1c1,0x01000101,
  321. 0xe600e6e6,0x25002525,0x48004848,0x99009999,
  322. 0xb900b9b9,0xb300b3b3,0x7b007b7b,0xf900f9f9,
  323. 0xce00cece,0xbf00bfbf,0xdf00dfdf,0x71007171,
  324. 0x29002929,0xcd00cdcd,0x6c006c6c,0x13001313,
  325. 0x64006464,0x9b009b9b,0x63006363,0x9d009d9d,
  326. 0xc000c0c0,0x4b004b4b,0xb700b7b7,0xa500a5a5,
  327. 0x89008989,0x5f005f5f,0xb100b1b1,0x17001717,
  328. 0xf400f4f4,0xbc00bcbc,0xd300d3d3,0x46004646,
  329. 0xcf00cfcf,0x37003737,0x5e005e5e,0x47004747,
  330. 0x94009494,0xfa00fafa,0xfc00fcfc,0x5b005b5b,
  331. 0x97009797,0xfe00fefe,0x5a005a5a,0xac00acac,
  332. 0x3c003c3c,0x4c004c4c,0x03000303,0x35003535,
  333. 0xf300f3f3,0x23002323,0xb800b8b8,0x5d005d5d,
  334. 0x6a006a6a,0x92009292,0xd500d5d5,0x21002121,
  335. 0x44004444,0x51005151,0xc600c6c6,0x7d007d7d,
  336. 0x39003939,0x83008383,0xdc00dcdc,0xaa00aaaa,
  337. 0x7c007c7c,0x77007777,0x56005656,0x05000505,
  338. 0x1b001b1b,0xa400a4a4,0x15001515,0x34003434,
  339. 0x1e001e1e,0x1c001c1c,0xf800f8f8,0x52005252,
  340. 0x20002020,0x14001414,0xe900e9e9,0xbd00bdbd,
  341. 0xdd00dddd,0xe400e4e4,0xa100a1a1,0xe000e0e0,
  342. 0x8a008a8a,0xf100f1f1,0xd600d6d6,0x7a007a7a,
  343. 0xbb00bbbb,0xe300e3e3,0x40004040,0x4f004f4f,
  344. };
  345. static const u32 camellia_sp4404[256] = {
  346. 0x70700070,0x2c2c002c,0xb3b300b3,0xc0c000c0,
  347. 0xe4e400e4,0x57570057,0xeaea00ea,0xaeae00ae,
  348. 0x23230023,0x6b6b006b,0x45450045,0xa5a500a5,
  349. 0xeded00ed,0x4f4f004f,0x1d1d001d,0x92920092,
  350. 0x86860086,0xafaf00af,0x7c7c007c,0x1f1f001f,
  351. 0x3e3e003e,0xdcdc00dc,0x5e5e005e,0x0b0b000b,
  352. 0xa6a600a6,0x39390039,0xd5d500d5,0x5d5d005d,
  353. 0xd9d900d9,0x5a5a005a,0x51510051,0x6c6c006c,
  354. 0x8b8b008b,0x9a9a009a,0xfbfb00fb,0xb0b000b0,
  355. 0x74740074,0x2b2b002b,0xf0f000f0,0x84840084,
  356. 0xdfdf00df,0xcbcb00cb,0x34340034,0x76760076,
  357. 0x6d6d006d,0xa9a900a9,0xd1d100d1,0x04040004,
  358. 0x14140014,0x3a3a003a,0xdede00de,0x11110011,
  359. 0x32320032,0x9c9c009c,0x53530053,0xf2f200f2,
  360. 0xfefe00fe,0xcfcf00cf,0xc3c300c3,0x7a7a007a,
  361. 0x24240024,0xe8e800e8,0x60600060,0x69690069,
  362. 0xaaaa00aa,0xa0a000a0,0xa1a100a1,0x62620062,
  363. 0x54540054,0x1e1e001e,0xe0e000e0,0x64640064,
  364. 0x10100010,0x00000000,0xa3a300a3,0x75750075,
  365. 0x8a8a008a,0xe6e600e6,0x09090009,0xdddd00dd,
  366. 0x87870087,0x83830083,0xcdcd00cd,0x90900090,
  367. 0x73730073,0xf6f600f6,0x9d9d009d,0xbfbf00bf,
  368. 0x52520052,0xd8d800d8,0xc8c800c8,0xc6c600c6,
  369. 0x81810081,0x6f6f006f,0x13130013,0x63630063,
  370. 0xe9e900e9,0xa7a700a7,0x9f9f009f,0xbcbc00bc,
  371. 0x29290029,0xf9f900f9,0x2f2f002f,0xb4b400b4,
  372. 0x78780078,0x06060006,0xe7e700e7,0x71710071,
  373. 0xd4d400d4,0xabab00ab,0x88880088,0x8d8d008d,
  374. 0x72720072,0xb9b900b9,0xf8f800f8,0xacac00ac,
  375. 0x36360036,0x2a2a002a,0x3c3c003c,0xf1f100f1,
  376. 0x40400040,0xd3d300d3,0xbbbb00bb,0x43430043,
  377. 0x15150015,0xadad00ad,0x77770077,0x80800080,
  378. 0x82820082,0xecec00ec,0x27270027,0xe5e500e5,
  379. 0x85850085,0x35350035,0x0c0c000c,0x41410041,
  380. 0xefef00ef,0x93930093,0x19190019,0x21210021,
  381. 0x0e0e000e,0x4e4e004e,0x65650065,0xbdbd00bd,
  382. 0xb8b800b8,0x8f8f008f,0xebeb00eb,0xcece00ce,
  383. 0x30300030,0x5f5f005f,0xc5c500c5,0x1a1a001a,
  384. 0xe1e100e1,0xcaca00ca,0x47470047,0x3d3d003d,
  385. 0x01010001,0xd6d600d6,0x56560056,0x4d4d004d,
  386. 0x0d0d000d,0x66660066,0xcccc00cc,0x2d2d002d,
  387. 0x12120012,0x20200020,0xb1b100b1,0x99990099,
  388. 0x4c4c004c,0xc2c200c2,0x7e7e007e,0x05050005,
  389. 0xb7b700b7,0x31310031,0x17170017,0xd7d700d7,
  390. 0x58580058,0x61610061,0x1b1b001b,0x1c1c001c,
  391. 0x0f0f000f,0x16160016,0x18180018,0x22220022,
  392. 0x44440044,0xb2b200b2,0xb5b500b5,0x91910091,
  393. 0x08080008,0xa8a800a8,0xfcfc00fc,0x50500050,
  394. 0xd0d000d0,0x7d7d007d,0x89890089,0x97970097,
  395. 0x5b5b005b,0x95950095,0xffff00ff,0xd2d200d2,
  396. 0xc4c400c4,0x48480048,0xf7f700f7,0xdbdb00db,
  397. 0x03030003,0xdada00da,0x3f3f003f,0x94940094,
  398. 0x5c5c005c,0x02020002,0x4a4a004a,0x33330033,
  399. 0x67670067,0xf3f300f3,0x7f7f007f,0xe2e200e2,
  400. 0x9b9b009b,0x26260026,0x37370037,0x3b3b003b,
  401. 0x96960096,0x4b4b004b,0xbebe00be,0x2e2e002e,
  402. 0x79790079,0x8c8c008c,0x6e6e006e,0x8e8e008e,
  403. 0xf5f500f5,0xb6b600b6,0xfdfd00fd,0x59590059,
  404. 0x98980098,0x6a6a006a,0x46460046,0xbaba00ba,
  405. 0x25250025,0x42420042,0xa2a200a2,0xfafa00fa,
  406. 0x07070007,0x55550055,0xeeee00ee,0x0a0a000a,
  407. 0x49490049,0x68680068,0x38380038,0xa4a400a4,
  408. 0x28280028,0x7b7b007b,0xc9c900c9,0xc1c100c1,
  409. 0xe3e300e3,0xf4f400f4,0xc7c700c7,0x9e9e009e,
  410. };
  411. /**
  412. * Stuff related to the Camellia key schedule
  413. */
  414. #define subl(x) subL[(x)]
  415. #define subr(x) subR[(x)]
  416. void camellia_setup128(const unsigned char *key, u32 *subkey)
  417. {
  418. u32 kll, klr, krl, krr;
  419. u32 il, ir, t0, t1, w0, w1;
  420. u32 kw4l, kw4r, dw, tl, tr;
  421. u32 subL[26];
  422. u32 subR[26];
  423. /**
  424. * k == kll || klr || krl || krr (|| is concatination)
  425. */
  426. kll = GETU32(key );
  427. klr = GETU32(key + 4);
  428. krl = GETU32(key + 8);
  429. krr = GETU32(key + 12);
  430. /**
  431. * generate KL dependent subkeys
  432. */
  433. subl(0) = kll; subr(0) = klr;
  434. subl(1) = krl; subr(1) = krr;
  435. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  436. subl(4) = kll; subr(4) = klr;
  437. subl(5) = krl; subr(5) = krr;
  438. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30);
  439. subl(10) = kll; subr(10) = klr;
  440. subl(11) = krl; subr(11) = krr;
  441. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  442. subl(13) = krl; subr(13) = krr;
  443. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
  444. subl(16) = kll; subr(16) = klr;
  445. subl(17) = krl; subr(17) = krr;
  446. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
  447. subl(18) = kll; subr(18) = klr;
  448. subl(19) = krl; subr(19) = krr;
  449. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
  450. subl(22) = kll; subr(22) = klr;
  451. subl(23) = krl; subr(23) = krr;
  452. /* generate KA */
  453. kll = subl(0); klr = subr(0);
  454. krl = subl(1); krr = subr(1);
  455. CAMELLIA_F(kll, klr,
  456. CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R,
  457. w0, w1, il, ir, t0, t1);
  458. krl ^= w0; krr ^= w1;
  459. CAMELLIA_F(krl, krr,
  460. CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R,
  461. kll, klr, il, ir, t0, t1);
  462. CAMELLIA_F(kll, klr,
  463. CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R,
  464. krl, krr, il, ir, t0, t1);
  465. krl ^= w0; krr ^= w1;
  466. CAMELLIA_F(krl, krr,
  467. CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R,
  468. w0, w1, il, ir, t0, t1);
  469. kll ^= w0; klr ^= w1;
  470. /* generate KA dependent subkeys */
  471. subl(2) = kll; subr(2) = klr;
  472. subl(3) = krl; subr(3) = krr;
  473. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  474. subl(6) = kll; subr(6) = klr;
  475. subl(7) = krl; subr(7) = krr;
  476. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  477. subl(8) = kll; subr(8) = klr;
  478. subl(9) = krl; subr(9) = krr;
  479. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  480. subl(12) = kll; subr(12) = klr;
  481. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  482. subl(14) = kll; subr(14) = klr;
  483. subl(15) = krl; subr(15) = krr;
  484. CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34);
  485. subl(20) = kll; subr(20) = klr;
  486. subl(21) = krl; subr(21) = krr;
  487. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
  488. subl(24) = kll; subr(24) = klr;
  489. subl(25) = krl; subr(25) = krr;
  490. /* absorb kw2 to other subkeys */
  491. subl(3) ^= subl(1); subr(3) ^= subr(1);
  492. subl(5) ^= subl(1); subr(5) ^= subr(1);
  493. subl(7) ^= subl(1); subr(7) ^= subr(1);
  494. subl(1) ^= subr(1) & ~subr(9);
  495. dw = subl(1) & subl(9), subr(1) ^= CAMELLIA_RL1(dw);
  496. subl(11) ^= subl(1); subr(11) ^= subr(1);
  497. subl(13) ^= subl(1); subr(13) ^= subr(1);
  498. subl(15) ^= subl(1); subr(15) ^= subr(1);
  499. subl(1) ^= subr(1) & ~subr(17);
  500. dw = subl(1) & subl(17), subr(1) ^= CAMELLIA_RL1(dw);
  501. subl(19) ^= subl(1); subr(19) ^= subr(1);
  502. subl(21) ^= subl(1); subr(21) ^= subr(1);
  503. subl(23) ^= subl(1); subr(23) ^= subr(1);
  504. subl(24) ^= subl(1); subr(24) ^= subr(1);
  505. /* absorb kw4 to other subkeys */
  506. kw4l = subl(25); kw4r = subr(25);
  507. subl(22) ^= kw4l; subr(22) ^= kw4r;
  508. subl(20) ^= kw4l; subr(20) ^= kw4r;
  509. subl(18) ^= kw4l; subr(18) ^= kw4r;
  510. kw4l ^= kw4r & ~subr(16);
  511. dw = kw4l & subl(16), kw4r ^= CAMELLIA_RL1(dw);
  512. subl(14) ^= kw4l; subr(14) ^= kw4r;
  513. subl(12) ^= kw4l; subr(12) ^= kw4r;
  514. subl(10) ^= kw4l; subr(10) ^= kw4r;
  515. kw4l ^= kw4r & ~subr(8);
  516. dw = kw4l & subl(8), kw4r ^= CAMELLIA_RL1(dw);
  517. subl(6) ^= kw4l; subr(6) ^= kw4r;
  518. subl(4) ^= kw4l; subr(4) ^= kw4r;
  519. subl(2) ^= kw4l; subr(2) ^= kw4r;
  520. subl(0) ^= kw4l; subr(0) ^= kw4r;
  521. /* key XOR is end of F-function */
  522. CamelliaSubkeyL(0) = subl(0) ^ subl(2);
  523. CamelliaSubkeyR(0) = subr(0) ^ subr(2);
  524. CamelliaSubkeyL(2) = subl(3);
  525. CamelliaSubkeyR(2) = subr(3);
  526. CamelliaSubkeyL(3) = subl(2) ^ subl(4);
  527. CamelliaSubkeyR(3) = subr(2) ^ subr(4);
  528. CamelliaSubkeyL(4) = subl(3) ^ subl(5);
  529. CamelliaSubkeyR(4) = subr(3) ^ subr(5);
  530. CamelliaSubkeyL(5) = subl(4) ^ subl(6);
  531. CamelliaSubkeyR(5) = subr(4) ^ subr(6);
  532. CamelliaSubkeyL(6) = subl(5) ^ subl(7);
  533. CamelliaSubkeyR(6) = subr(5) ^ subr(7);
  534. tl = subl(10) ^ (subr(10) & ~subr(8));
  535. dw = tl & subl(8), tr = subr(10) ^ CAMELLIA_RL1(dw);
  536. CamelliaSubkeyL(7) = subl(6) ^ tl;
  537. CamelliaSubkeyR(7) = subr(6) ^ tr;
  538. CamelliaSubkeyL(8) = subl(8);
  539. CamelliaSubkeyR(8) = subr(8);
  540. CamelliaSubkeyL(9) = subl(9);
  541. CamelliaSubkeyR(9) = subr(9);
  542. tl = subl(7) ^ (subr(7) & ~subr(9));
  543. dw = tl & subl(9), tr = subr(7) ^ CAMELLIA_RL1(dw);
  544. CamelliaSubkeyL(10) = tl ^ subl(11);
  545. CamelliaSubkeyR(10) = tr ^ subr(11);
  546. CamelliaSubkeyL(11) = subl(10) ^ subl(12);
  547. CamelliaSubkeyR(11) = subr(10) ^ subr(12);
  548. CamelliaSubkeyL(12) = subl(11) ^ subl(13);
  549. CamelliaSubkeyR(12) = subr(11) ^ subr(13);
  550. CamelliaSubkeyL(13) = subl(12) ^ subl(14);
  551. CamelliaSubkeyR(13) = subr(12) ^ subr(14);
  552. CamelliaSubkeyL(14) = subl(13) ^ subl(15);
  553. CamelliaSubkeyR(14) = subr(13) ^ subr(15);
  554. tl = subl(18) ^ (subr(18) & ~subr(16));
  555. dw = tl & subl(16), tr = subr(18) ^ CAMELLIA_RL1(dw);
  556. CamelliaSubkeyL(15) = subl(14) ^ tl;
  557. CamelliaSubkeyR(15) = subr(14) ^ tr;
  558. CamelliaSubkeyL(16) = subl(16);
  559. CamelliaSubkeyR(16) = subr(16);
  560. CamelliaSubkeyL(17) = subl(17);
  561. CamelliaSubkeyR(17) = subr(17);
  562. tl = subl(15) ^ (subr(15) & ~subr(17));
  563. dw = tl & subl(17), tr = subr(15) ^ CAMELLIA_RL1(dw);
  564. CamelliaSubkeyL(18) = tl ^ subl(19);
  565. CamelliaSubkeyR(18) = tr ^ subr(19);
  566. CamelliaSubkeyL(19) = subl(18) ^ subl(20);
  567. CamelliaSubkeyR(19) = subr(18) ^ subr(20);
  568. CamelliaSubkeyL(20) = subl(19) ^ subl(21);
  569. CamelliaSubkeyR(20) = subr(19) ^ subr(21);
  570. CamelliaSubkeyL(21) = subl(20) ^ subl(22);
  571. CamelliaSubkeyR(21) = subr(20) ^ subr(22);
  572. CamelliaSubkeyL(22) = subl(21) ^ subl(23);
  573. CamelliaSubkeyR(22) = subr(21) ^ subr(23);
  574. CamelliaSubkeyL(23) = subl(22);
  575. CamelliaSubkeyR(23) = subr(22);
  576. CamelliaSubkeyL(24) = subl(24) ^ subl(23);
  577. CamelliaSubkeyR(24) = subr(24) ^ subr(23);
  578. /* apply the inverse of the last half of P-function */
  579. dw = CamelliaSubkeyL(2) ^ CamelliaSubkeyR(2), dw = CAMELLIA_RL8(dw);
  580. CamelliaSubkeyR(2) = CamelliaSubkeyL(2) ^ dw, CamelliaSubkeyL(2) = dw;
  581. dw = CamelliaSubkeyL(3) ^ CamelliaSubkeyR(3), dw = CAMELLIA_RL8(dw);
  582. CamelliaSubkeyR(3) = CamelliaSubkeyL(3) ^ dw, CamelliaSubkeyL(3) = dw;
  583. dw = CamelliaSubkeyL(4) ^ CamelliaSubkeyR(4), dw = CAMELLIA_RL8(dw);
  584. CamelliaSubkeyR(4) = CamelliaSubkeyL(4) ^ dw, CamelliaSubkeyL(4) = dw;
  585. dw = CamelliaSubkeyL(5) ^ CamelliaSubkeyR(5), dw = CAMELLIA_RL8(dw);
  586. CamelliaSubkeyR(5) = CamelliaSubkeyL(5) ^ dw, CamelliaSubkeyL(5) = dw;
  587. dw = CamelliaSubkeyL(6) ^ CamelliaSubkeyR(6), dw = CAMELLIA_RL8(dw);
  588. CamelliaSubkeyR(6) = CamelliaSubkeyL(6) ^ dw, CamelliaSubkeyL(6) = dw;
  589. dw = CamelliaSubkeyL(7) ^ CamelliaSubkeyR(7), dw = CAMELLIA_RL8(dw);
  590. CamelliaSubkeyR(7) = CamelliaSubkeyL(7) ^ dw, CamelliaSubkeyL(7) = dw;
  591. dw = CamelliaSubkeyL(10) ^ CamelliaSubkeyR(10), dw = CAMELLIA_RL8(dw);
  592. CamelliaSubkeyR(10) = CamelliaSubkeyL(10) ^ dw, CamelliaSubkeyL(10) = dw;
  593. dw = CamelliaSubkeyL(11) ^ CamelliaSubkeyR(11), dw = CAMELLIA_RL8(dw);
  594. CamelliaSubkeyR(11) = CamelliaSubkeyL(11) ^ dw, CamelliaSubkeyL(11) = dw;
  595. dw = CamelliaSubkeyL(12) ^ CamelliaSubkeyR(12), dw = CAMELLIA_RL8(dw);
  596. CamelliaSubkeyR(12) = CamelliaSubkeyL(12) ^ dw, CamelliaSubkeyL(12) = dw;
  597. dw = CamelliaSubkeyL(13) ^ CamelliaSubkeyR(13), dw = CAMELLIA_RL8(dw);
  598. CamelliaSubkeyR(13) = CamelliaSubkeyL(13) ^ dw, CamelliaSubkeyL(13) = dw;
  599. dw = CamelliaSubkeyL(14) ^ CamelliaSubkeyR(14), dw = CAMELLIA_RL8(dw);
  600. CamelliaSubkeyR(14) = CamelliaSubkeyL(14) ^ dw, CamelliaSubkeyL(14) = dw;
  601. dw = CamelliaSubkeyL(15) ^ CamelliaSubkeyR(15), dw = CAMELLIA_RL8(dw);
  602. CamelliaSubkeyR(15) = CamelliaSubkeyL(15) ^ dw, CamelliaSubkeyL(15) = dw;
  603. dw = CamelliaSubkeyL(18) ^ CamelliaSubkeyR(18), dw = CAMELLIA_RL8(dw);
  604. CamelliaSubkeyR(18) = CamelliaSubkeyL(18) ^ dw, CamelliaSubkeyL(18) = dw;
  605. dw = CamelliaSubkeyL(19) ^ CamelliaSubkeyR(19), dw = CAMELLIA_RL8(dw);
  606. CamelliaSubkeyR(19) = CamelliaSubkeyL(19) ^ dw, CamelliaSubkeyL(19) = dw;
  607. dw = CamelliaSubkeyL(20) ^ CamelliaSubkeyR(20), dw = CAMELLIA_RL8(dw);
  608. CamelliaSubkeyR(20) = CamelliaSubkeyL(20) ^ dw, CamelliaSubkeyL(20) = dw;
  609. dw = CamelliaSubkeyL(21) ^ CamelliaSubkeyR(21), dw = CAMELLIA_RL8(dw);
  610. CamelliaSubkeyR(21) = CamelliaSubkeyL(21) ^ dw, CamelliaSubkeyL(21) = dw;
  611. dw = CamelliaSubkeyL(22) ^ CamelliaSubkeyR(22), dw = CAMELLIA_RL8(dw);
  612. CamelliaSubkeyR(22) = CamelliaSubkeyL(22) ^ dw, CamelliaSubkeyL(22) = dw;
  613. dw = CamelliaSubkeyL(23) ^ CamelliaSubkeyR(23), dw = CAMELLIA_RL8(dw);
  614. CamelliaSubkeyR(23) = CamelliaSubkeyL(23) ^ dw, CamelliaSubkeyL(23) = dw;
  615. return;
  616. }
  617. void camellia_setup256(const unsigned char *key, u32 *subkey)
  618. {
  619. u32 kll,klr,krl,krr; /* left half of key */
  620. u32 krll,krlr,krrl,krrr; /* right half of key */
  621. u32 il, ir, t0, t1, w0, w1; /* temporary variables */
  622. u32 kw4l, kw4r, dw, tl, tr;
  623. u32 subL[34];
  624. u32 subR[34];
  625. /**
  626. * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr)
  627. * (|| is concatination)
  628. */
  629. kll = GETU32(key );
  630. klr = GETU32(key + 4);
  631. krl = GETU32(key + 8);
  632. krr = GETU32(key + 12);
  633. krll = GETU32(key + 16);
  634. krlr = GETU32(key + 20);
  635. krrl = GETU32(key + 24);
  636. krrr = GETU32(key + 28);
  637. /* generate KL dependent subkeys */
  638. subl(0) = kll; subr(0) = klr;
  639. subl(1) = krl; subr(1) = krr;
  640. CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 45);
  641. subl(12) = kll; subr(12) = klr;
  642. subl(13) = krl; subr(13) = krr;
  643. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  644. subl(16) = kll; subr(16) = klr;
  645. subl(17) = krl; subr(17) = krr;
  646. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
  647. subl(22) = kll; subr(22) = klr;
  648. subl(23) = krl; subr(23) = krr;
  649. CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34);
  650. subl(30) = kll; subr(30) = klr;
  651. subl(31) = krl; subr(31) = krr;
  652. /* generate KR dependent subkeys */
  653. CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15);
  654. subl(4) = krll; subr(4) = krlr;
  655. subl(5) = krrl; subr(5) = krrr;
  656. CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15);
  657. subl(8) = krll; subr(8) = krlr;
  658. subl(9) = krrl; subr(9) = krrr;
  659. CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
  660. subl(18) = krll; subr(18) = krlr;
  661. subl(19) = krrl; subr(19) = krrr;
  662. CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34);
  663. subl(26) = krll; subr(26) = krlr;
  664. subl(27) = krrl; subr(27) = krrr;
  665. CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34);
  666. /* generate KA */
  667. kll = subl(0) ^ krll; klr = subr(0) ^ krlr;
  668. krl = subl(1) ^ krrl; krr = subr(1) ^ krrr;
  669. CAMELLIA_F(kll, klr,
  670. CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R,
  671. w0, w1, il, ir, t0, t1);
  672. krl ^= w0; krr ^= w1;
  673. CAMELLIA_F(krl, krr,
  674. CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R,
  675. kll, klr, il, ir, t0, t1);
  676. kll ^= krll; klr ^= krlr;
  677. CAMELLIA_F(kll, klr,
  678. CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R,
  679. krl, krr, il, ir, t0, t1);
  680. krl ^= w0 ^ krrl; krr ^= w1 ^ krrr;
  681. CAMELLIA_F(krl, krr,
  682. CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R,
  683. w0, w1, il, ir, t0, t1);
  684. kll ^= w0; klr ^= w1;
  685. /* generate KB */
  686. krll ^= kll; krlr ^= klr;
  687. krrl ^= krl; krrr ^= krr;
  688. CAMELLIA_F(krll, krlr,
  689. CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R,
  690. w0, w1, il, ir, t0, t1);
  691. krrl ^= w0; krrr ^= w1;
  692. CAMELLIA_F(krrl, krrr,
  693. CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R,
  694. w0, w1, il, ir, t0, t1);
  695. krll ^= w0; krlr ^= w1;
  696. /* generate KA dependent subkeys */
  697. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  698. subl(6) = kll; subr(6) = klr;
  699. subl(7) = krl; subr(7) = krr;
  700. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30);
  701. subl(14) = kll; subr(14) = klr;
  702. subl(15) = krl; subr(15) = krr;
  703. subl(24) = klr; subr(24) = krl;
  704. subl(25) = krr; subr(25) = kll;
  705. CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 49);
  706. subl(28) = kll; subr(28) = klr;
  707. subl(29) = krl; subr(29) = krr;
  708. /* generate KB dependent subkeys */
  709. subl(2) = krll; subr(2) = krlr;
  710. subl(3) = krrl; subr(3) = krrr;
  711. CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
  712. subl(10) = krll; subr(10) = krlr;
  713. subl(11) = krrl; subr(11) = krrr;
  714. CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
  715. subl(20) = krll; subr(20) = krlr;
  716. subl(21) = krrl; subr(21) = krrr;
  717. CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51);
  718. subl(32) = krll; subr(32) = krlr;
  719. subl(33) = krrl; subr(33) = krrr;
  720. /* absorb kw2 to other subkeys */
  721. subl(3) ^= subl(1); subr(3) ^= subr(1);
  722. subl(5) ^= subl(1); subr(5) ^= subr(1);
  723. subl(7) ^= subl(1); subr(7) ^= subr(1);
  724. subl(1) ^= subr(1) & ~subr(9);
  725. dw = subl(1) & subl(9), subr(1) ^= CAMELLIA_RL1(dw);
  726. subl(11) ^= subl(1); subr(11) ^= subr(1);
  727. subl(13) ^= subl(1); subr(13) ^= subr(1);
  728. subl(15) ^= subl(1); subr(15) ^= subr(1);
  729. subl(1) ^= subr(1) & ~subr(17);
  730. dw = subl(1) & subl(17), subr(1) ^= CAMELLIA_RL1(dw);
  731. subl(19) ^= subl(1); subr(19) ^= subr(1);
  732. subl(21) ^= subl(1); subr(21) ^= subr(1);
  733. subl(23) ^= subl(1); subr(23) ^= subr(1);
  734. subl(1) ^= subr(1) & ~subr(25);
  735. dw = subl(1) & subl(25), subr(1) ^= CAMELLIA_RL1(dw);
  736. subl(27) ^= subl(1); subr(27) ^= subr(1);
  737. subl(29) ^= subl(1); subr(29) ^= subr(1);
  738. subl(31) ^= subl(1); subr(31) ^= subr(1);
  739. subl(32) ^= subl(1); subr(32) ^= subr(1);
  740. /* absorb kw4 to other subkeys */
  741. kw4l = subl(33); kw4r = subr(33);
  742. subl(30) ^= kw4l; subr(30) ^= kw4r;
  743. subl(28) ^= kw4l; subr(28) ^= kw4r;
  744. subl(26) ^= kw4l; subr(26) ^= kw4r;
  745. kw4l ^= kw4r & ~subr(24);
  746. dw = kw4l & subl(24), kw4r ^= CAMELLIA_RL1(dw);
  747. subl(22) ^= kw4l; subr(22) ^= kw4r;
  748. subl(20) ^= kw4l; subr(20) ^= kw4r;
  749. subl(18) ^= kw4l; subr(18) ^= kw4r;
  750. kw4l ^= kw4r & ~subr(16);
  751. dw = kw4l & subl(16), kw4r ^= CAMELLIA_RL1(dw);
  752. subl(14) ^= kw4l; subr(14) ^= kw4r;
  753. subl(12) ^= kw4l; subr(12) ^= kw4r;
  754. subl(10) ^= kw4l; subr(10) ^= kw4r;
  755. kw4l ^= kw4r & ~subr(8);
  756. dw = kw4l & subl(8), kw4r ^= CAMELLIA_RL1(dw);
  757. subl(6) ^= kw4l; subr(6) ^= kw4r;
  758. subl(4) ^= kw4l; subr(4) ^= kw4r;
  759. subl(2) ^= kw4l; subr(2) ^= kw4r;
  760. subl(0) ^= kw4l; subr(0) ^= kw4r;
  761. /* key XOR is end of F-function */
  762. CamelliaSubkeyL(0) = subl(0) ^ subl(2);
  763. CamelliaSubkeyR(0) = subr(0) ^ subr(2);
  764. CamelliaSubkeyL(2) = subl(3);
  765. CamelliaSubkeyR(2) = subr(3);
  766. CamelliaSubkeyL(3) = subl(2) ^ subl(4);
  767. CamelliaSubkeyR(3) = subr(2) ^ subr(4);
  768. CamelliaSubkeyL(4) = subl(3) ^ subl(5);
  769. CamelliaSubkeyR(4) = subr(3) ^ subr(5);
  770. CamelliaSubkeyL(5) = subl(4) ^ subl(6);
  771. CamelliaSubkeyR(5) = subr(4) ^ subr(6);
  772. CamelliaSubkeyL(6) = subl(5) ^ subl(7);
  773. CamelliaSubkeyR(6) = subr(5) ^ subr(7);
  774. tl = subl(10) ^ (subr(10) & ~subr(8));
  775. dw = tl & subl(8), tr = subr(10) ^ CAMELLIA_RL1(dw);
  776. CamelliaSubkeyL(7) = subl(6) ^ tl;
  777. CamelliaSubkeyR(7) = subr(6) ^ tr;
  778. CamelliaSubkeyL(8) = subl(8);
  779. CamelliaSubkeyR(8) = subr(8);
  780. CamelliaSubkeyL(9) = subl(9);
  781. CamelliaSubkeyR(9) = subr(9);
  782. tl = subl(7) ^ (subr(7) & ~subr(9));
  783. dw = tl & subl(9), tr = subr(7) ^ CAMELLIA_RL1(dw);
  784. CamelliaSubkeyL(10) = tl ^ subl(11);
  785. CamelliaSubkeyR(10) = tr ^ subr(11);
  786. CamelliaSubkeyL(11) = subl(10) ^ subl(12);
  787. CamelliaSubkeyR(11) = subr(10) ^ subr(12);
  788. CamelliaSubkeyL(12) = subl(11) ^ subl(13);
  789. CamelliaSubkeyR(12) = subr(11) ^ subr(13);
  790. CamelliaSubkeyL(13) = subl(12) ^ subl(14);
  791. CamelliaSubkeyR(13) = subr(12) ^ subr(14);
  792. CamelliaSubkeyL(14) = subl(13) ^ subl(15);
  793. CamelliaSubkeyR(14) = subr(13) ^ subr(15);
  794. tl = subl(18) ^ (subr(18) & ~subr(16));
  795. dw = tl & subl(16), tr = subr(18) ^ CAMELLIA_RL1(dw);
  796. CamelliaSubkeyL(15) = subl(14) ^ tl;
  797. CamelliaSubkeyR(15) = subr(14) ^ tr;
  798. CamelliaSubkeyL(16) = subl(16);
  799. CamelliaSubkeyR(16) = subr(16);
  800. CamelliaSubkeyL(17) = subl(17);
  801. CamelliaSubkeyR(17) = subr(17);
  802. tl = subl(15) ^ (subr(15) & ~subr(17));
  803. dw = tl & subl(17), tr = subr(15) ^ CAMELLIA_RL1(dw);
  804. CamelliaSubkeyL(18) = tl ^ subl(19);
  805. CamelliaSubkeyR(18) = tr ^ subr(19);
  806. CamelliaSubkeyL(19) = subl(18) ^ subl(20);
  807. CamelliaSubkeyR(19) = subr(18) ^ subr(20);
  808. CamelliaSubkeyL(20) = subl(19) ^ subl(21);
  809. CamelliaSubkeyR(20) = subr(19) ^ subr(21);
  810. CamelliaSubkeyL(21) = subl(20) ^ subl(22);
  811. CamelliaSubkeyR(21) = subr(20) ^ subr(22);
  812. CamelliaSubkeyL(22) = subl(21) ^ subl(23);
  813. CamelliaSubkeyR(22) = subr(21) ^ subr(23);
  814. tl = subl(26) ^ (subr(26) & ~subr(24));
  815. dw = tl & subl(24), tr = subr(26) ^ CAMELLIA_RL1(dw);
  816. CamelliaSubkeyL(23) = subl(22) ^ tl;
  817. CamelliaSubkeyR(23) = subr(22) ^ tr;
  818. CamelliaSubkeyL(24) = subl(24);
  819. CamelliaSubkeyR(24) = subr(24);
  820. CamelliaSubkeyL(25) = subl(25);
  821. CamelliaSubkeyR(25) = subr(25);
  822. tl = subl(23) ^ (subr(23) & ~subr(25));
  823. dw = tl & subl(25), tr = subr(23) ^ CAMELLIA_RL1(dw);
  824. CamelliaSubkeyL(26) = tl ^ subl(27);
  825. CamelliaSubkeyR(26) = tr ^ subr(27);
  826. CamelliaSubkeyL(27) = subl(26) ^ subl(28);
  827. CamelliaSubkeyR(27) = subr(26) ^ subr(28);
  828. CamelliaSubkeyL(28) = subl(27) ^ subl(29);
  829. CamelliaSubkeyR(28) = subr(27) ^ subr(29);
  830. CamelliaSubkeyL(29) = subl(28) ^ subl(30);
  831. CamelliaSubkeyR(29) = subr(28) ^ subr(30);
  832. CamelliaSubkeyL(30) = subl(29) ^ subl(31);
  833. CamelliaSubkeyR(30) = subr(29) ^ subr(31);
  834. CamelliaSubkeyL(31) = subl(30);
  835. CamelliaSubkeyR(31) = subr(30);
  836. CamelliaSubkeyL(32) = subl(32) ^ subl(31);
  837. CamelliaSubkeyR(32) = subr(32) ^ subr(31);
  838. /* apply the inverse of the last half of P-function */
  839. dw = CamelliaSubkeyL(2) ^ CamelliaSubkeyR(2), dw = CAMELLIA_RL8(dw);
  840. CamelliaSubkeyR(2) = CamelliaSubkeyL(2) ^ dw, CamelliaSubkeyL(2) = dw;
  841. dw = CamelliaSubkeyL(3) ^ CamelliaSubkeyR(3), dw = CAMELLIA_RL8(dw);
  842. CamelliaSubkeyR(3) = CamelliaSubkeyL(3) ^ dw, CamelliaSubkeyL(3) = dw;
  843. dw = CamelliaSubkeyL(4) ^ CamelliaSubkeyR(4), dw = CAMELLIA_RL8(dw);
  844. CamelliaSubkeyR(4) = CamelliaSubkeyL(4) ^ dw, CamelliaSubkeyL(4) = dw;
  845. dw = CamelliaSubkeyL(5) ^ CamelliaSubkeyR(5), dw = CAMELLIA_RL8(dw);
  846. CamelliaSubkeyR(5) = CamelliaSubkeyL(5) ^ dw, CamelliaSubkeyL(5) = dw;
  847. dw = CamelliaSubkeyL(6) ^ CamelliaSubkeyR(6), dw = CAMELLIA_RL8(dw);
  848. CamelliaSubkeyR(6) = CamelliaSubkeyL(6) ^ dw, CamelliaSubkeyL(6) = dw;
  849. dw = CamelliaSubkeyL(7) ^ CamelliaSubkeyR(7), dw = CAMELLIA_RL8(dw);
  850. CamelliaSubkeyR(7) = CamelliaSubkeyL(7) ^ dw, CamelliaSubkeyL(7) = dw;
  851. dw = CamelliaSubkeyL(10) ^ CamelliaSubkeyR(10), dw = CAMELLIA_RL8(dw);
  852. CamelliaSubkeyR(10) = CamelliaSubkeyL(10) ^ dw, CamelliaSubkeyL(10) = dw;
  853. dw = CamelliaSubkeyL(11) ^ CamelliaSubkeyR(11), dw = CAMELLIA_RL8(dw);
  854. CamelliaSubkeyR(11) = CamelliaSubkeyL(11) ^ dw, CamelliaSubkeyL(11) = dw;
  855. dw = CamelliaSubkeyL(12) ^ CamelliaSubkeyR(12), dw = CAMELLIA_RL8(dw);
  856. CamelliaSubkeyR(12) = CamelliaSubkeyL(12) ^ dw, CamelliaSubkeyL(12) = dw;
  857. dw = CamelliaSubkeyL(13) ^ CamelliaSubkeyR(13), dw = CAMELLIA_RL8(dw);
  858. CamelliaSubkeyR(13) = CamelliaSubkeyL(13) ^ dw, CamelliaSubkeyL(13) = dw;
  859. dw = CamelliaSubkeyL(14) ^ CamelliaSubkeyR(14), dw = CAMELLIA_RL8(dw);
  860. CamelliaSubkeyR(14) = CamelliaSubkeyL(14) ^ dw, CamelliaSubkeyL(14) = dw;
  861. dw = CamelliaSubkeyL(15) ^ CamelliaSubkeyR(15), dw = CAMELLIA_RL8(dw);
  862. CamelliaSubkeyR(15) = CamelliaSubkeyL(15) ^ dw, CamelliaSubkeyL(15) = dw;
  863. dw = CamelliaSubkeyL(18) ^ CamelliaSubkeyR(18), dw = CAMELLIA_RL8(dw);
  864. CamelliaSubkeyR(18) = CamelliaSubkeyL(18) ^ dw, CamelliaSubkeyL(18) = dw;
  865. dw = CamelliaSubkeyL(19) ^ CamelliaSubkeyR(19), dw = CAMELLIA_RL8(dw);
  866. CamelliaSubkeyR(19) = CamelliaSubkeyL(19) ^ dw, CamelliaSubkeyL(19) = dw;
  867. dw = CamelliaSubkeyL(20) ^ CamelliaSubkeyR(20), dw = CAMELLIA_RL8(dw);
  868. CamelliaSubkeyR(20) = CamelliaSubkeyL(20) ^ dw, CamelliaSubkeyL(20) = dw;
  869. dw = CamelliaSubkeyL(21) ^ CamelliaSubkeyR(21), dw = CAMELLIA_RL8(dw);
  870. CamelliaSubkeyR(21) = CamelliaSubkeyL(21) ^ dw, CamelliaSubkeyL(21) = dw;
  871. dw = CamelliaSubkeyL(22) ^ CamelliaSubkeyR(22), dw = CAMELLIA_RL8(dw);
  872. CamelliaSubkeyR(22) = CamelliaSubkeyL(22) ^ dw, CamelliaSubkeyL(22) = dw;
  873. dw = CamelliaSubkeyL(23) ^ CamelliaSubkeyR(23), dw = CAMELLIA_RL8(dw);
  874. CamelliaSubkeyR(23) = CamelliaSubkeyL(23) ^ dw, CamelliaSubkeyL(23) = dw;
  875. dw = CamelliaSubkeyL(26) ^ CamelliaSubkeyR(26), dw = CAMELLIA_RL8(dw);
  876. CamelliaSubkeyR(26) = CamelliaSubkeyL(26) ^ dw, CamelliaSubkeyL(26) = dw;
  877. dw = CamelliaSubkeyL(27) ^ CamelliaSubkeyR(27), dw = CAMELLIA_RL8(dw);
  878. CamelliaSubkeyR(27) = CamelliaSubkeyL(27) ^ dw, CamelliaSubkeyL(27) = dw;
  879. dw = CamelliaSubkeyL(28) ^ CamelliaSubkeyR(28), dw = CAMELLIA_RL8(dw);
  880. CamelliaSubkeyR(28) = CamelliaSubkeyL(28) ^ dw, CamelliaSubkeyL(28) = dw;
  881. dw = CamelliaSubkeyL(29) ^ CamelliaSubkeyR(29), dw = CAMELLIA_RL8(dw);
  882. CamelliaSubkeyR(29) = CamelliaSubkeyL(29) ^ dw, CamelliaSubkeyL(29) = dw;
  883. dw = CamelliaSubkeyL(30) ^ CamelliaSubkeyR(30), dw = CAMELLIA_RL8(dw);
  884. CamelliaSubkeyR(30) = CamelliaSubkeyL(30) ^ dw, CamelliaSubkeyL(30) = dw;
  885. dw = CamelliaSubkeyL(31) ^ CamelliaSubkeyR(31), dw = CAMELLIA_RL8(dw);
  886. CamelliaSubkeyR(31) = CamelliaSubkeyL(31) ^ dw,CamelliaSubkeyL(31) = dw;
  887. return;
  888. }
  889. void camellia_setup192(const unsigned char *key, u32 *subkey)
  890. {
  891. unsigned char kk[32];
  892. u32 krll, krlr, krrl,krrr;
  893. memcpy(kk, key, 24);
  894. memcpy((unsigned char *)&krll, key+16,4);
  895. memcpy((unsigned char *)&krlr, key+20,4);
  896. krrl = ~krll;
  897. krrr = ~krlr;
  898. memcpy(kk+24, (unsigned char *)&krrl, 4);
  899. memcpy(kk+28, (unsigned char *)&krrr, 4);
  900. camellia_setup256(kk, subkey);
  901. return;
  902. }
  903. /**
  904. * Stuff related to camellia encryption/decryption
  905. *
  906. * "io" must be 4byte aligned and big-endian data.
  907. */
  908. void camellia_encrypt128(const u32 *subkey, u32 *io)
  909. {
  910. u32 il, ir, t0, t1;
  911. /* pre whitening but absorb kw2*/
  912. io[0] ^= CamelliaSubkeyL(0);
  913. io[1] ^= CamelliaSubkeyR(0);
  914. /* main iteration */
  915. CAMELLIA_ROUNDSM(io[0],io[1],
  916. CamelliaSubkeyL(2),CamelliaSubkeyR(2),
  917. io[2],io[3],il,ir,t0,t1);
  918. CAMELLIA_ROUNDSM(io[2],io[3],
  919. CamelliaSubkeyL(3),CamelliaSubkeyR(3),
  920. io[0],io[1],il,ir,t0,t1);
  921. CAMELLIA_ROUNDSM(io[0],io[1],
  922. CamelliaSubkeyL(4),CamelliaSubkeyR(4),
  923. io[2],io[3],il,ir,t0,t1);
  924. CAMELLIA_ROUNDSM(io[2],io[3],
  925. CamelliaSubkeyL(5),CamelliaSubkeyR(5),
  926. io[0],io[1],il,ir,t0,t1);
  927. CAMELLIA_ROUNDSM(io[0],io[1],
  928. CamelliaSubkeyL(6),CamelliaSubkeyR(6),
  929. io[2],io[3],il,ir,t0,t1);
  930. CAMELLIA_ROUNDSM(io[2],io[3],
  931. CamelliaSubkeyL(7),CamelliaSubkeyR(7),
  932. io[0],io[1],il,ir,t0,t1);
  933. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  934. CamelliaSubkeyL(8),CamelliaSubkeyR(8),
  935. CamelliaSubkeyL(9),CamelliaSubkeyR(9),
  936. t0,t1,il,ir);
  937. CAMELLIA_ROUNDSM(io[0],io[1],
  938. CamelliaSubkeyL(10),CamelliaSubkeyR(10),
  939. io[2],io[3],il,ir,t0,t1);
  940. CAMELLIA_ROUNDSM(io[2],io[3],
  941. CamelliaSubkeyL(11),CamelliaSubkeyR(11),
  942. io[0],io[1],il,ir,t0,t1);
  943. CAMELLIA_ROUNDSM(io[0],io[1],
  944. CamelliaSubkeyL(12),CamelliaSubkeyR(12),
  945. io[2],io[3],il,ir,t0,t1);
  946. CAMELLIA_ROUNDSM(io[2],io[3],
  947. CamelliaSubkeyL(13),CamelliaSubkeyR(13),
  948. io[0],io[1],il,ir,t0,t1);
  949. CAMELLIA_ROUNDSM(io[0],io[1],
  950. CamelliaSubkeyL(14),CamelliaSubkeyR(14),
  951. io[2],io[3],il,ir,t0,t1);
  952. CAMELLIA_ROUNDSM(io[2],io[3],
  953. CamelliaSubkeyL(15),CamelliaSubkeyR(15),
  954. io[0],io[1],il,ir,t0,t1);
  955. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  956. CamelliaSubkeyL(16),CamelliaSubkeyR(16),
  957. CamelliaSubkeyL(17),CamelliaSubkeyR(17),
  958. t0,t1,il,ir);
  959. CAMELLIA_ROUNDSM(io[0],io[1],
  960. CamelliaSubkeyL(18),CamelliaSubkeyR(18),
  961. io[2],io[3],il,ir,t0,t1);
  962. CAMELLIA_ROUNDSM(io[2],io[3],
  963. CamelliaSubkeyL(19),CamelliaSubkeyR(19),
  964. io[0],io[1],il,ir,t0,t1);
  965. CAMELLIA_ROUNDSM(io[0],io[1],
  966. CamelliaSubkeyL(20),CamelliaSubkeyR(20),
  967. io[2],io[3],il,ir,t0,t1);
  968. CAMELLIA_ROUNDSM(io[2],io[3],
  969. CamelliaSubkeyL(21),CamelliaSubkeyR(21),
  970. io[0],io[1],il,ir,t0,t1);
  971. CAMELLIA_ROUNDSM(io[0],io[1],
  972. CamelliaSubkeyL(22),CamelliaSubkeyR(22),
  973. io[2],io[3],il,ir,t0,t1);
  974. CAMELLIA_ROUNDSM(io[2],io[3],
  975. CamelliaSubkeyL(23),CamelliaSubkeyR(23),
  976. io[0],io[1],il,ir,t0,t1);
  977. /* post whitening but kw4 */
  978. io[2] ^= CamelliaSubkeyL(24);
  979. io[3] ^= CamelliaSubkeyR(24);
  980. t0 = io[0];
  981. t1 = io[1];
  982. io[0] = io[2];
  983. io[1] = io[3];
  984. io[2] = t0;
  985. io[3] = t1;
  986. return;
  987. }
  988. void camellia_decrypt128(const u32 *subkey, u32 *io)
  989. {
  990. u32 il,ir,t0,t1; /* temporary valiables */
  991. /* pre whitening but absorb kw2*/
  992. io[0] ^= CamelliaSubkeyL(24);
  993. io[1] ^= CamelliaSubkeyR(24);
  994. /* main iteration */
  995. CAMELLIA_ROUNDSM(io[0],io[1],
  996. CamelliaSubkeyL(23),CamelliaSubkeyR(23),
  997. io[2],io[3],il,ir,t0,t1);
  998. CAMELLIA_ROUNDSM(io[2],io[3],
  999. CamelliaSubkeyL(22),CamelliaSubkeyR(22),
  1000. io[0],io[1],il,ir,t0,t1);
  1001. CAMELLIA_ROUNDSM(io[0],io[1],
  1002. CamelliaSubkeyL(21),CamelliaSubkeyR(21),
  1003. io[2],io[3],il,ir,t0,t1);
  1004. CAMELLIA_ROUNDSM(io[2],io[3],
  1005. CamelliaSubkeyL(20),CamelliaSubkeyR(20),
  1006. io[0],io[1],il,ir,t0,t1);
  1007. CAMELLIA_ROUNDSM(io[0],io[1],
  1008. CamelliaSubkeyL(19),CamelliaSubkeyR(19),
  1009. io[2],io[3],il,ir,t0,t1);
  1010. CAMELLIA_ROUNDSM(io[2],io[3],
  1011. CamelliaSubkeyL(18),CamelliaSubkeyR(18),
  1012. io[0],io[1],il,ir,t0,t1);
  1013. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1014. CamelliaSubkeyL(17),CamelliaSubkeyR(17),
  1015. CamelliaSubkeyL(16),CamelliaSubkeyR(16),
  1016. t0,t1,il,ir);
  1017. CAMELLIA_ROUNDSM(io[0],io[1],
  1018. CamelliaSubkeyL(15),CamelliaSubkeyR(15),
  1019. io[2],io[3],il,ir,t0,t1);
  1020. CAMELLIA_ROUNDSM(io[2],io[3],
  1021. CamelliaSubkeyL(14),CamelliaSubkeyR(14),
  1022. io[0],io[1],il,ir,t0,t1);
  1023. CAMELLIA_ROUNDSM(io[0],io[1],
  1024. CamelliaSubkeyL(13),CamelliaSubkeyR(13),
  1025. io[2],io[3],il,ir,t0,t1);
  1026. CAMELLIA_ROUNDSM(io[2],io[3],
  1027. CamelliaSubkeyL(12),CamelliaSubkeyR(12),
  1028. io[0],io[1],il,ir,t0,t1);
  1029. CAMELLIA_ROUNDSM(io[0],io[1],
  1030. CamelliaSubkeyL(11),CamelliaSubkeyR(11),
  1031. io[2],io[3],il,ir,t0,t1);
  1032. CAMELLIA_ROUNDSM(io[2],io[3],
  1033. CamelliaSubkeyL(10),CamelliaSubkeyR(10),
  1034. io[0],io[1],il,ir,t0,t1);
  1035. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1036. CamelliaSubkeyL(9),CamelliaSubkeyR(9),
  1037. CamelliaSubkeyL(8),CamelliaSubkeyR(8),
  1038. t0,t1,il,ir);
  1039. CAMELLIA_ROUNDSM(io[0],io[1],
  1040. CamelliaSubkeyL(7),CamelliaSubkeyR(7),
  1041. io[2],io[3],il,ir,t0,t1);
  1042. CAMELLIA_ROUNDSM(io[2],io[3],
  1043. CamelliaSubkeyL(6),CamelliaSubkeyR(6),
  1044. io[0],io[1],il,ir,t0,t1);
  1045. CAMELLIA_ROUNDSM(io[0],io[1],
  1046. CamelliaSubkeyL(5),CamelliaSubkeyR(5),
  1047. io[2],io[3],il,ir,t0,t1);
  1048. CAMELLIA_ROUNDSM(io[2],io[3],
  1049. CamelliaSubkeyL(4),CamelliaSubkeyR(4),
  1050. io[0],io[1],il,ir,t0,t1);
  1051. CAMELLIA_ROUNDSM(io[0],io[1],
  1052. CamelliaSubkeyL(3),CamelliaSubkeyR(3),
  1053. io[2],io[3],il,ir,t0,t1);
  1054. CAMELLIA_ROUNDSM(io[2],io[3],
  1055. CamelliaSubkeyL(2),CamelliaSubkeyR(2),
  1056. io[0],io[1],il,ir,t0,t1);
  1057. /* post whitening but kw4 */
  1058. io[2] ^= CamelliaSubkeyL(0);
  1059. io[3] ^= CamelliaSubkeyR(0);
  1060. t0 = io[0];
  1061. t1 = io[1];
  1062. io[0] = io[2];
  1063. io[1] = io[3];
  1064. io[2] = t0;
  1065. io[3] = t1;
  1066. return;
  1067. }
  1068. /**
  1069. * stuff for 192 and 256bit encryption/decryption
  1070. */
  1071. void camellia_encrypt256(const u32 *subkey, u32 *io)
  1072. {
  1073. u32 il,ir,t0,t1; /* temporary valiables */
  1074. /* pre whitening but absorb kw2*/
  1075. io[0] ^= CamelliaSubkeyL(0);
  1076. io[1] ^= CamelliaSubkeyR(0);
  1077. /* main iteration */
  1078. CAMELLIA_ROUNDSM(io[0],io[1],
  1079. CamelliaSubkeyL(2),CamelliaSubkeyR(2),
  1080. io[2],io[3],il,ir,t0,t1);
  1081. CAMELLIA_ROUNDSM(io[2],io[3],
  1082. CamelliaSubkeyL(3),CamelliaSubkeyR(3),
  1083. io[0],io[1],il,ir,t0,t1);
  1084. CAMELLIA_ROUNDSM(io[0],io[1],
  1085. CamelliaSubkeyL(4),CamelliaSubkeyR(4),
  1086. io[2],io[3],il,ir,t0,t1);
  1087. CAMELLIA_ROUNDSM(io[2],io[3],
  1088. CamelliaSubkeyL(5),CamelliaSubkeyR(5),
  1089. io[0],io[1],il,ir,t0,t1);
  1090. CAMELLIA_ROUNDSM(io[0],io[1],
  1091. CamelliaSubkeyL(6),CamelliaSubkeyR(6),
  1092. io[2],io[3],il,ir,t0,t1);
  1093. CAMELLIA_ROUNDSM(io[2],io[3],
  1094. CamelliaSubkeyL(7),CamelliaSubkeyR(7),
  1095. io[0],io[1],il,ir,t0,t1);
  1096. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1097. CamelliaSubkeyL(8),CamelliaSubkeyR(8),
  1098. CamelliaSubkeyL(9),CamelliaSubkeyR(9),
  1099. t0,t1,il,ir);
  1100. CAMELLIA_ROUNDSM(io[0],io[1],
  1101. CamelliaSubkeyL(10),CamelliaSubkeyR(10),
  1102. io[2],io[3],il,ir,t0,t1);
  1103. CAMELLIA_ROUNDSM(io[2],io[3],
  1104. CamelliaSubkeyL(11),CamelliaSubkeyR(11),
  1105. io[0],io[1],il,ir,t0,t1);
  1106. CAMELLIA_ROUNDSM(io[0],io[1],
  1107. CamelliaSubkeyL(12),CamelliaSubkeyR(12),
  1108. io[2],io[3],il,ir,t0,t1);
  1109. CAMELLIA_ROUNDSM(io[2],io[3],
  1110. CamelliaSubkeyL(13),CamelliaSubkeyR(13),
  1111. io[0],io[1],il,ir,t0,t1);
  1112. CAMELLIA_ROUNDSM(io[0],io[1],
  1113. CamelliaSubkeyL(14),CamelliaSubkeyR(14),
  1114. io[2],io[3],il,ir,t0,t1);
  1115. CAMELLIA_ROUNDSM(io[2],io[3],
  1116. CamelliaSubkeyL(15),CamelliaSubkeyR(15),
  1117. io[0],io[1],il,ir,t0,t1);
  1118. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1119. CamelliaSubkeyL(16),CamelliaSubkeyR(16),
  1120. CamelliaSubkeyL(17),CamelliaSubkeyR(17),
  1121. t0,t1,il,ir);
  1122. CAMELLIA_ROUNDSM(io[0],io[1],
  1123. CamelliaSubkeyL(18),CamelliaSubkeyR(18),
  1124. io[2],io[3],il,ir,t0,t1);
  1125. CAMELLIA_ROUNDSM(io[2],io[3],
  1126. CamelliaSubkeyL(19),CamelliaSubkeyR(19),
  1127. io[0],io[1],il,ir,t0,t1);
  1128. CAMELLIA_ROUNDSM(io[0],io[1],
  1129. CamelliaSubkeyL(20),CamelliaSubkeyR(20),
  1130. io[2],io[3],il,ir,t0,t1);
  1131. CAMELLIA_ROUNDSM(io[2],io[3],
  1132. CamelliaSubkeyL(21),CamelliaSubkeyR(21),
  1133. io[0],io[1],il,ir,t0,t1);
  1134. CAMELLIA_ROUNDSM(io[0],io[1],
  1135. CamelliaSubkeyL(22),CamelliaSubkeyR(22),
  1136. io[2],io[3],il,ir,t0,t1);
  1137. CAMELLIA_ROUNDSM(io[2],io[3],
  1138. CamelliaSubkeyL(23),CamelliaSubkeyR(23),
  1139. io[0],io[1],il,ir,t0,t1);
  1140. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1141. CamelliaSubkeyL(24),CamelliaSubkeyR(24),
  1142. CamelliaSubkeyL(25),CamelliaSubkeyR(25),
  1143. t0,t1,il,ir);
  1144. CAMELLIA_ROUNDSM(io[0],io[1],
  1145. CamelliaSubkeyL(26),CamelliaSubkeyR(26),
  1146. io[2],io[3],il,ir,t0,t1);
  1147. CAMELLIA_ROUNDSM(io[2],io[3],
  1148. CamelliaSubkeyL(27),CamelliaSubkeyR(27),
  1149. io[0],io[1],il,ir,t0,t1);
  1150. CAMELLIA_ROUNDSM(io[0],io[1],
  1151. CamelliaSubkeyL(28),CamelliaSubkeyR(28),
  1152. io[2],io[3],il,ir,t0,t1);
  1153. CAMELLIA_ROUNDSM(io[2],io[3],
  1154. CamelliaSubkeyL(29),CamelliaSubkeyR(29),
  1155. io[0],io[1],il,ir,t0,t1);
  1156. CAMELLIA_ROUNDSM(io[0],io[1],
  1157. CamelliaSubkeyL(30),CamelliaSubkeyR(30),
  1158. io[2],io[3],il,ir,t0,t1);
  1159. CAMELLIA_ROUNDSM(io[2],io[3],
  1160. CamelliaSubkeyL(31),CamelliaSubkeyR(31),
  1161. io[0],io[1],il,ir,t0,t1);
  1162. /* post whitening but kw4 */
  1163. io[2] ^= CamelliaSubkeyL(32);
  1164. io[3] ^= CamelliaSubkeyR(32);
  1165. t0 = io[0];
  1166. t1 = io[1];
  1167. io[0] = io[2];
  1168. io[1] = io[3];
  1169. io[2] = t0;
  1170. io[3] = t1;
  1171. return;
  1172. }
  1173. void camellia_decrypt256(const u32 *subkey, u32 *io)
  1174. {
  1175. u32 il,ir,t0,t1; /* temporary valiables */
  1176. /* pre whitening but absorb kw2*/
  1177. io[0] ^= CamelliaSubkeyL(32);
  1178. io[1] ^= CamelliaSubkeyR(32);
  1179. /* main iteration */
  1180. CAMELLIA_ROUNDSM(io[0],io[1],
  1181. CamelliaSubkeyL(31),CamelliaSubkeyR(31),
  1182. io[2],io[3],il,ir,t0,t1);
  1183. CAMELLIA_ROUNDSM(io[2],io[3],
  1184. CamelliaSubkeyL(30),CamelliaSubkeyR(30),
  1185. io[0],io[1],il,ir,t0,t1);
  1186. CAMELLIA_ROUNDSM(io[0],io[1],
  1187. CamelliaSubkeyL(29),CamelliaSubkeyR(29),
  1188. io[2],io[3],il,ir,t0,t1);
  1189. CAMELLIA_ROUNDSM(io[2],io[3],
  1190. CamelliaSubkeyL(28),CamelliaSubkeyR(28),
  1191. io[0],io[1],il,ir,t0,t1);
  1192. CAMELLIA_ROUNDSM(io[0],io[1],
  1193. CamelliaSubkeyL(27),CamelliaSubkeyR(27),
  1194. io[2],io[3],il,ir,t0,t1);
  1195. CAMELLIA_ROUNDSM(io[2],io[3],
  1196. CamelliaSubkeyL(26),CamelliaSubkeyR(26),
  1197. io[0],io[1],il,ir,t0,t1);
  1198. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1199. CamelliaSubkeyL(25),CamelliaSubkeyR(25),
  1200. CamelliaSubkeyL(24),CamelliaSubkeyR(24),
  1201. t0,t1,il,ir);
  1202. CAMELLIA_ROUNDSM(io[0],io[1],
  1203. CamelliaSubkeyL(23),CamelliaSubkeyR(23),
  1204. io[2],io[3],il,ir,t0,t1);
  1205. CAMELLIA_ROUNDSM(io[2],io[3],
  1206. CamelliaSubkeyL(22),CamelliaSubkeyR(22),
  1207. io[0],io[1],il,ir,t0,t1);
  1208. CAMELLIA_ROUNDSM(io[0],io[1],
  1209. CamelliaSubkeyL(21),CamelliaSubkeyR(21),
  1210. io[2],io[3],il,ir,t0,t1);
  1211. CAMELLIA_ROUNDSM(io[2],io[3],
  1212. CamelliaSubkeyL(20),CamelliaSubkeyR(20),
  1213. io[0],io[1],il,ir,t0,t1);
  1214. CAMELLIA_ROUNDSM(io[0],io[1],
  1215. CamelliaSubkeyL(19),CamelliaSubkeyR(19),
  1216. io[2],io[3],il,ir,t0,t1);
  1217. CAMELLIA_ROUNDSM(io[2],io[3],
  1218. CamelliaSubkeyL(18),CamelliaSubkeyR(18),
  1219. io[0],io[1],il,ir,t0,t1);
  1220. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1221. CamelliaSubkeyL(17),CamelliaSubkeyR(17),
  1222. CamelliaSubkeyL(16),CamelliaSubkeyR(16),
  1223. t0,t1,il,ir);
  1224. CAMELLIA_ROUNDSM(io[0],io[1],
  1225. CamelliaSubkeyL(15),CamelliaSubkeyR(15),
  1226. io[2],io[3],il,ir,t0,t1);
  1227. CAMELLIA_ROUNDSM(io[2],io[3],
  1228. CamelliaSubkeyL(14),CamelliaSubkeyR(14),
  1229. io[0],io[1],il,ir,t0,t1);
  1230. CAMELLIA_ROUNDSM(io[0],io[1],
  1231. CamelliaSubkeyL(13),CamelliaSubkeyR(13),
  1232. io[2],io[3],il,ir,t0,t1);
  1233. CAMELLIA_ROUNDSM(io[2],io[3],
  1234. CamelliaSubkeyL(12),CamelliaSubkeyR(12),
  1235. io[0],io[1],il,ir,t0,t1);
  1236. CAMELLIA_ROUNDSM(io[0],io[1],
  1237. CamelliaSubkeyL(11),CamelliaSubkeyR(11),
  1238. io[2],io[3],il,ir,t0,t1);
  1239. CAMELLIA_ROUNDSM(io[2],io[3],
  1240. CamelliaSubkeyL(10),CamelliaSubkeyR(10),
  1241. io[0],io[1],il,ir,t0,t1);
  1242. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1243. CamelliaSubkeyL(9),CamelliaSubkeyR(9),
  1244. CamelliaSubkeyL(8),CamelliaSubkeyR(8),
  1245. t0,t1,il,ir);
  1246. CAMELLIA_ROUNDSM(io[0],io[1],
  1247. CamelliaSubkeyL(7),CamelliaSubkeyR(7),
  1248. io[2],io[3],il,ir,t0,t1);
  1249. CAMELLIA_ROUNDSM(io[2],io[3],
  1250. CamelliaSubkeyL(6),CamelliaSubkeyR(6),
  1251. io[0],io[1],il,ir,t0,t1);
  1252. CAMELLIA_ROUNDSM(io[0],io[1],
  1253. CamelliaSubkeyL(5),CamelliaSubkeyR(5),
  1254. io[2],io[3],il,ir,t0,t1);
  1255. CAMELLIA_ROUNDSM(io[2],io[3],
  1256. CamelliaSubkeyL(4),CamelliaSubkeyR(4),
  1257. io[0],io[1],il,ir,t0,t1);
  1258. CAMELLIA_ROUNDSM(io[0],io[1],
  1259. CamelliaSubkeyL(3),CamelliaSubkeyR(3),
  1260. io[2],io[3],il,ir,t0,t1);
  1261. CAMELLIA_ROUNDSM(io[2],io[3],
  1262. CamelliaSubkeyL(2),CamelliaSubkeyR(2),
  1263. io[0],io[1],il,ir,t0,t1);
  1264. /* post whitening but kw4 */
  1265. io[2] ^= CamelliaSubkeyL(0);
  1266. io[3] ^= CamelliaSubkeyR(0);
  1267. t0 = io[0];
  1268. t1 = io[1];
  1269. io[0] = io[2];
  1270. io[1] = io[3];
  1271. io[2] = t0;
  1272. io[3] = t1;
  1273. return;
  1274. }
  1275. /***
  1276. *
  1277. * API for compatibility
  1278. */
  1279. void Camellia_Ekeygen(const int keyBitLength,
  1280. const unsigned char *rawKey,
  1281. KEY_TABLE_TYPE keyTable)
  1282. {
  1283. switch(keyBitLength) {
  1284. case 128:
  1285. camellia_setup128(rawKey, keyTable);
  1286. break;
  1287. case 192:
  1288. camellia_setup192(rawKey, keyTable);
  1289. break;
  1290. case 256:
  1291. camellia_setup256(rawKey, keyTable);
  1292. break;
  1293. default:
  1294. break;
  1295. }
  1296. }
  1297. void Camellia_EncryptBlock(const int keyBitLength,
  1298. const unsigned char *plaintext,
  1299. const KEY_TABLE_TYPE keyTable,
  1300. unsigned char *ciphertext)
  1301. {
  1302. u32 tmp[4];
  1303. tmp[0] = GETU32(plaintext);
  1304. tmp[1] = GETU32(plaintext + 4);
  1305. tmp[2] = GETU32(plaintext + 8);
  1306. tmp[3] = GETU32(plaintext + 12);
  1307. switch (keyBitLength) {
  1308. case 128:
  1309. camellia_encrypt128(keyTable, tmp);
  1310. break;
  1311. case 192:
  1312. /* fall through */
  1313. case 256:
  1314. camellia_encrypt256(keyTable, tmp);
  1315. break;
  1316. default:
  1317. break;
  1318. }
  1319. PUTU32(ciphertext, tmp[0]);
  1320. PUTU32(ciphertext + 4, tmp[1]);
  1321. PUTU32(ciphertext + 8, tmp[2]);
  1322. PUTU32(ciphertext + 12, tmp[3]);
  1323. }
  1324. void Camellia_DecryptBlock(const int keyBitLength,
  1325. const unsigned char *ciphertext,
  1326. const KEY_TABLE_TYPE keyTable,
  1327. unsigned char *plaintext)
  1328. {
  1329. u32 tmp[4];
  1330. tmp[0] = GETU32(ciphertext);
  1331. tmp[1] = GETU32(ciphertext + 4);
  1332. tmp[2] = GETU32(ciphertext + 8);
  1333. tmp[3] = GETU32(ciphertext + 12);
  1334. switch (keyBitLength) {
  1335. case 128:
  1336. camellia_decrypt128(keyTable, tmp);
  1337. break;
  1338. case 192:
  1339. /* fall through */
  1340. case 256:
  1341. camellia_decrypt256(keyTable, tmp);
  1342. break;
  1343. default:
  1344. break;
  1345. }
  1346. PUTU32(plaintext, tmp[0]);
  1347. PUTU32(plaintext + 4, tmp[1]);
  1348. PUTU32(plaintext + 8, tmp[2]);
  1349. PUTU32(plaintext + 12, tmp[3]);
  1350. }