camellia.c 58 KB

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  1. /*
  2. * Copyright (C) 2006
  3. * NTT (Nippon Telegraph and Telephone Corporation).
  4. *
  5. * This program is free software; you can redistribute it and/or
  6. * modify it under the terms of the GNU General Public License
  7. * as published by the Free Software Foundation; either version 2
  8. * of the License, or (at your option) any later version.
  9. *
  10. * This program is distributed in the hope that it will be useful,
  11. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13. * GNU General Public License for more details.
  14. *
  15. * You should have received a copy of the GNU General Public License
  16. * along with this program; if not, write to the Free Software
  17. * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  18. */
  19. /*
  20. * Algorithm Specification
  21. * http://info.isl.ntt.co.jp/crypt/eng/camellia/specifications.html
  22. */
  23. /*
  24. *
  25. * NOTE --- NOTE --- NOTE --- NOTE
  26. * This implementation assumes that all memory addresses passed
  27. * as parameters are four-byte aligned.
  28. *
  29. */
  30. #include <linux/crypto.h>
  31. #include <linux/errno.h>
  32. #include <linux/init.h>
  33. #include <linux/kernel.h>
  34. #include <linux/module.h>
  35. #define CAMELLIA_MIN_KEY_SIZE 16
  36. #define CAMELLIA_MAX_KEY_SIZE 32
  37. #define CAMELLIA_BLOCK_SIZE 16
  38. #define CAMELLIA_TABLE_BYTE_LEN 272
  39. #define CAMELLIA_TABLE_WORD_LEN (CAMELLIA_TABLE_BYTE_LEN / 4)
  40. typedef u32 KEY_TABLE_TYPE[CAMELLIA_TABLE_WORD_LEN];
  41. /* key constants */
  42. #define CAMELLIA_SIGMA1L (0xA09E667FL)
  43. #define CAMELLIA_SIGMA1R (0x3BCC908BL)
  44. #define CAMELLIA_SIGMA2L (0xB67AE858L)
  45. #define CAMELLIA_SIGMA2R (0x4CAA73B2L)
  46. #define CAMELLIA_SIGMA3L (0xC6EF372FL)
  47. #define CAMELLIA_SIGMA3R (0xE94F82BEL)
  48. #define CAMELLIA_SIGMA4L (0x54FF53A5L)
  49. #define CAMELLIA_SIGMA4R (0xF1D36F1CL)
  50. #define CAMELLIA_SIGMA5L (0x10E527FAL)
  51. #define CAMELLIA_SIGMA5R (0xDE682D1DL)
  52. #define CAMELLIA_SIGMA6L (0xB05688C2L)
  53. #define CAMELLIA_SIGMA6R (0xB3E6C1FDL)
  54. struct camellia_ctx {
  55. int key_length;
  56. KEY_TABLE_TYPE key_table;
  57. };
  58. /*
  59. * macros
  60. */
  61. # define GETU32(pt) (((u32)(pt)[0] << 24) \
  62. ^ ((u32)(pt)[1] << 16) \
  63. ^ ((u32)(pt)[2] << 8) \
  64. ^ ((u32)(pt)[3]))
  65. #define COPY4WORD(dst, src) \
  66. do { \
  67. (dst)[0]=(src)[0]; \
  68. (dst)[1]=(src)[1]; \
  69. (dst)[2]=(src)[2]; \
  70. (dst)[3]=(src)[3]; \
  71. }while(0)
  72. #define SWAP4WORD(word) \
  73. do { \
  74. CAMELLIA_SWAP4((word)[0]); \
  75. CAMELLIA_SWAP4((word)[1]); \
  76. CAMELLIA_SWAP4((word)[2]); \
  77. CAMELLIA_SWAP4((word)[3]); \
  78. }while(0)
  79. #define XOR4WORD(a, b)/* a = a ^ b */ \
  80. do { \
  81. (a)[0]^=(b)[0]; \
  82. (a)[1]^=(b)[1]; \
  83. (a)[2]^=(b)[2]; \
  84. (a)[3]^=(b)[3]; \
  85. }while(0)
  86. #define XOR4WORD2(a, b, c)/* a = b ^ c */ \
  87. do { \
  88. (a)[0]=(b)[0]^(c)[0]; \
  89. (a)[1]=(b)[1]^(c)[1]; \
  90. (a)[2]=(b)[2]^(c)[2]; \
  91. (a)[3]=(b)[3]^(c)[3]; \
  92. }while(0)
  93. #define CAMELLIA_SUBKEY_L(INDEX) (subkey[(INDEX)*2])
  94. #define CAMELLIA_SUBKEY_R(INDEX) (subkey[(INDEX)*2 + 1])
  95. /* rotation right shift 1byte */
  96. #define CAMELLIA_RR8(x) (((x) >> 8) + ((x) << 24))
  97. /* rotation left shift 1bit */
  98. #define CAMELLIA_RL1(x) (((x) << 1) + ((x) >> 31))
  99. /* rotation left shift 1byte */
  100. #define CAMELLIA_RL8(x) (((x) << 8) + ((x) >> 24))
  101. #define CAMELLIA_ROLDQ(ll, lr, rl, rr, w0, w1, bits) \
  102. do { \
  103. w0 = ll; \
  104. ll = (ll << bits) + (lr >> (32 - bits)); \
  105. lr = (lr << bits) + (rl >> (32 - bits)); \
  106. rl = (rl << bits) + (rr >> (32 - bits)); \
  107. rr = (rr << bits) + (w0 >> (32 - bits)); \
  108. } while(0)
  109. #define CAMELLIA_ROLDQo32(ll, lr, rl, rr, w0, w1, bits) \
  110. do { \
  111. w0 = ll; \
  112. w1 = lr; \
  113. ll = (lr << (bits - 32)) + (rl >> (64 - bits)); \
  114. lr = (rl << (bits - 32)) + (rr >> (64 - bits)); \
  115. rl = (rr << (bits - 32)) + (w0 >> (64 - bits)); \
  116. rr = (w0 << (bits - 32)) + (w1 >> (64 - bits)); \
  117. } while(0)
  118. #define CAMELLIA_SP1110(INDEX) (camellia_sp1110[(INDEX)])
  119. #define CAMELLIA_SP0222(INDEX) (camellia_sp0222[(INDEX)])
  120. #define CAMELLIA_SP3033(INDEX) (camellia_sp3033[(INDEX)])
  121. #define CAMELLIA_SP4404(INDEX) (camellia_sp4404[(INDEX)])
  122. #define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \
  123. do { \
  124. il = xl ^ kl; \
  125. ir = xr ^ kr; \
  126. t0 = il >> 16; \
  127. t1 = ir >> 16; \
  128. yl = CAMELLIA_SP1110(ir & 0xff) \
  129. ^ CAMELLIA_SP0222((t1 >> 8) & 0xff) \
  130. ^ CAMELLIA_SP3033(t1 & 0xff) \
  131. ^ CAMELLIA_SP4404((ir >> 8) & 0xff); \
  132. yr = CAMELLIA_SP1110((t0 >> 8) & 0xff) \
  133. ^ CAMELLIA_SP0222(t0 & 0xff) \
  134. ^ CAMELLIA_SP3033((il >> 8) & 0xff) \
  135. ^ CAMELLIA_SP4404(il & 0xff); \
  136. yl ^= yr; \
  137. yr = CAMELLIA_RR8(yr); \
  138. yr ^= yl; \
  139. } while(0)
  140. /*
  141. * for speed up
  142. *
  143. */
  144. #define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) \
  145. do { \
  146. t0 = kll; \
  147. t2 = krr; \
  148. t0 &= ll; \
  149. t2 |= rr; \
  150. rl ^= t2; \
  151. lr ^= CAMELLIA_RL1(t0); \
  152. t3 = krl; \
  153. t1 = klr; \
  154. t3 &= rl; \
  155. t1 |= lr; \
  156. ll ^= t1; \
  157. rr ^= CAMELLIA_RL1(t3); \
  158. } while(0)
  159. #define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \
  160. do { \
  161. ir = CAMELLIA_SP1110(xr & 0xff); \
  162. il = CAMELLIA_SP1110((xl>>24) & 0xff); \
  163. ir ^= CAMELLIA_SP0222((xr>>24) & 0xff); \
  164. il ^= CAMELLIA_SP0222((xl>>16) & 0xff); \
  165. ir ^= CAMELLIA_SP3033((xr>>16) & 0xff); \
  166. il ^= CAMELLIA_SP3033((xl>>8) & 0xff); \
  167. ir ^= CAMELLIA_SP4404((xr>>8) & 0xff); \
  168. il ^= CAMELLIA_SP4404(xl & 0xff); \
  169. il ^= kl; \
  170. ir ^= il ^ kr; \
  171. yl ^= ir; \
  172. yr ^= CAMELLIA_RR8(il) ^ ir; \
  173. } while(0)
  174. /**
  175. * Stuff related to the Camellia key schedule
  176. */
  177. #define SUBL(x) subL[(x)]
  178. #define SUBR(x) subR[(x)]
  179. static const u32 camellia_sp1110[256] = {
  180. 0x70707000,0x82828200,0x2c2c2c00,0xececec00,
  181. 0xb3b3b300,0x27272700,0xc0c0c000,0xe5e5e500,
  182. 0xe4e4e400,0x85858500,0x57575700,0x35353500,
  183. 0xeaeaea00,0x0c0c0c00,0xaeaeae00,0x41414100,
  184. 0x23232300,0xefefef00,0x6b6b6b00,0x93939300,
  185. 0x45454500,0x19191900,0xa5a5a500,0x21212100,
  186. 0xededed00,0x0e0e0e00,0x4f4f4f00,0x4e4e4e00,
  187. 0x1d1d1d00,0x65656500,0x92929200,0xbdbdbd00,
  188. 0x86868600,0xb8b8b800,0xafafaf00,0x8f8f8f00,
  189. 0x7c7c7c00,0xebebeb00,0x1f1f1f00,0xcecece00,
  190. 0x3e3e3e00,0x30303000,0xdcdcdc00,0x5f5f5f00,
  191. 0x5e5e5e00,0xc5c5c500,0x0b0b0b00,0x1a1a1a00,
  192. 0xa6a6a600,0xe1e1e100,0x39393900,0xcacaca00,
  193. 0xd5d5d500,0x47474700,0x5d5d5d00,0x3d3d3d00,
  194. 0xd9d9d900,0x01010100,0x5a5a5a00,0xd6d6d600,
  195. 0x51515100,0x56565600,0x6c6c6c00,0x4d4d4d00,
  196. 0x8b8b8b00,0x0d0d0d00,0x9a9a9a00,0x66666600,
  197. 0xfbfbfb00,0xcccccc00,0xb0b0b000,0x2d2d2d00,
  198. 0x74747400,0x12121200,0x2b2b2b00,0x20202000,
  199. 0xf0f0f000,0xb1b1b100,0x84848400,0x99999900,
  200. 0xdfdfdf00,0x4c4c4c00,0xcbcbcb00,0xc2c2c200,
  201. 0x34343400,0x7e7e7e00,0x76767600,0x05050500,
  202. 0x6d6d6d00,0xb7b7b700,0xa9a9a900,0x31313100,
  203. 0xd1d1d100,0x17171700,0x04040400,0xd7d7d700,
  204. 0x14141400,0x58585800,0x3a3a3a00,0x61616100,
  205. 0xdedede00,0x1b1b1b00,0x11111100,0x1c1c1c00,
  206. 0x32323200,0x0f0f0f00,0x9c9c9c00,0x16161600,
  207. 0x53535300,0x18181800,0xf2f2f200,0x22222200,
  208. 0xfefefe00,0x44444400,0xcfcfcf00,0xb2b2b200,
  209. 0xc3c3c300,0xb5b5b500,0x7a7a7a00,0x91919100,
  210. 0x24242400,0x08080800,0xe8e8e800,0xa8a8a800,
  211. 0x60606000,0xfcfcfc00,0x69696900,0x50505000,
  212. 0xaaaaaa00,0xd0d0d000,0xa0a0a000,0x7d7d7d00,
  213. 0xa1a1a100,0x89898900,0x62626200,0x97979700,
  214. 0x54545400,0x5b5b5b00,0x1e1e1e00,0x95959500,
  215. 0xe0e0e000,0xffffff00,0x64646400,0xd2d2d200,
  216. 0x10101000,0xc4c4c400,0x00000000,0x48484800,
  217. 0xa3a3a300,0xf7f7f700,0x75757500,0xdbdbdb00,
  218. 0x8a8a8a00,0x03030300,0xe6e6e600,0xdadada00,
  219. 0x09090900,0x3f3f3f00,0xdddddd00,0x94949400,
  220. 0x87878700,0x5c5c5c00,0x83838300,0x02020200,
  221. 0xcdcdcd00,0x4a4a4a00,0x90909000,0x33333300,
  222. 0x73737300,0x67676700,0xf6f6f600,0xf3f3f300,
  223. 0x9d9d9d00,0x7f7f7f00,0xbfbfbf00,0xe2e2e200,
  224. 0x52525200,0x9b9b9b00,0xd8d8d800,0x26262600,
  225. 0xc8c8c800,0x37373700,0xc6c6c600,0x3b3b3b00,
  226. 0x81818100,0x96969600,0x6f6f6f00,0x4b4b4b00,
  227. 0x13131300,0xbebebe00,0x63636300,0x2e2e2e00,
  228. 0xe9e9e900,0x79797900,0xa7a7a700,0x8c8c8c00,
  229. 0x9f9f9f00,0x6e6e6e00,0xbcbcbc00,0x8e8e8e00,
  230. 0x29292900,0xf5f5f500,0xf9f9f900,0xb6b6b600,
  231. 0x2f2f2f00,0xfdfdfd00,0xb4b4b400,0x59595900,
  232. 0x78787800,0x98989800,0x06060600,0x6a6a6a00,
  233. 0xe7e7e700,0x46464600,0x71717100,0xbababa00,
  234. 0xd4d4d400,0x25252500,0xababab00,0x42424200,
  235. 0x88888800,0xa2a2a200,0x8d8d8d00,0xfafafa00,
  236. 0x72727200,0x07070700,0xb9b9b900,0x55555500,
  237. 0xf8f8f800,0xeeeeee00,0xacacac00,0x0a0a0a00,
  238. 0x36363600,0x49494900,0x2a2a2a00,0x68686800,
  239. 0x3c3c3c00,0x38383800,0xf1f1f100,0xa4a4a400,
  240. 0x40404000,0x28282800,0xd3d3d300,0x7b7b7b00,
  241. 0xbbbbbb00,0xc9c9c900,0x43434300,0xc1c1c100,
  242. 0x15151500,0xe3e3e300,0xadadad00,0xf4f4f400,
  243. 0x77777700,0xc7c7c700,0x80808000,0x9e9e9e00,
  244. };
  245. static const u32 camellia_sp0222[256] = {
  246. 0x00e0e0e0,0x00050505,0x00585858,0x00d9d9d9,
  247. 0x00676767,0x004e4e4e,0x00818181,0x00cbcbcb,
  248. 0x00c9c9c9,0x000b0b0b,0x00aeaeae,0x006a6a6a,
  249. 0x00d5d5d5,0x00181818,0x005d5d5d,0x00828282,
  250. 0x00464646,0x00dfdfdf,0x00d6d6d6,0x00272727,
  251. 0x008a8a8a,0x00323232,0x004b4b4b,0x00424242,
  252. 0x00dbdbdb,0x001c1c1c,0x009e9e9e,0x009c9c9c,
  253. 0x003a3a3a,0x00cacaca,0x00252525,0x007b7b7b,
  254. 0x000d0d0d,0x00717171,0x005f5f5f,0x001f1f1f,
  255. 0x00f8f8f8,0x00d7d7d7,0x003e3e3e,0x009d9d9d,
  256. 0x007c7c7c,0x00606060,0x00b9b9b9,0x00bebebe,
  257. 0x00bcbcbc,0x008b8b8b,0x00161616,0x00343434,
  258. 0x004d4d4d,0x00c3c3c3,0x00727272,0x00959595,
  259. 0x00ababab,0x008e8e8e,0x00bababa,0x007a7a7a,
  260. 0x00b3b3b3,0x00020202,0x00b4b4b4,0x00adadad,
  261. 0x00a2a2a2,0x00acacac,0x00d8d8d8,0x009a9a9a,
  262. 0x00171717,0x001a1a1a,0x00353535,0x00cccccc,
  263. 0x00f7f7f7,0x00999999,0x00616161,0x005a5a5a,
  264. 0x00e8e8e8,0x00242424,0x00565656,0x00404040,
  265. 0x00e1e1e1,0x00636363,0x00090909,0x00333333,
  266. 0x00bfbfbf,0x00989898,0x00979797,0x00858585,
  267. 0x00686868,0x00fcfcfc,0x00ececec,0x000a0a0a,
  268. 0x00dadada,0x006f6f6f,0x00535353,0x00626262,
  269. 0x00a3a3a3,0x002e2e2e,0x00080808,0x00afafaf,
  270. 0x00282828,0x00b0b0b0,0x00747474,0x00c2c2c2,
  271. 0x00bdbdbd,0x00363636,0x00222222,0x00383838,
  272. 0x00646464,0x001e1e1e,0x00393939,0x002c2c2c,
  273. 0x00a6a6a6,0x00303030,0x00e5e5e5,0x00444444,
  274. 0x00fdfdfd,0x00888888,0x009f9f9f,0x00656565,
  275. 0x00878787,0x006b6b6b,0x00f4f4f4,0x00232323,
  276. 0x00484848,0x00101010,0x00d1d1d1,0x00515151,
  277. 0x00c0c0c0,0x00f9f9f9,0x00d2d2d2,0x00a0a0a0,
  278. 0x00555555,0x00a1a1a1,0x00414141,0x00fafafa,
  279. 0x00434343,0x00131313,0x00c4c4c4,0x002f2f2f,
  280. 0x00a8a8a8,0x00b6b6b6,0x003c3c3c,0x002b2b2b,
  281. 0x00c1c1c1,0x00ffffff,0x00c8c8c8,0x00a5a5a5,
  282. 0x00202020,0x00898989,0x00000000,0x00909090,
  283. 0x00474747,0x00efefef,0x00eaeaea,0x00b7b7b7,
  284. 0x00151515,0x00060606,0x00cdcdcd,0x00b5b5b5,
  285. 0x00121212,0x007e7e7e,0x00bbbbbb,0x00292929,
  286. 0x000f0f0f,0x00b8b8b8,0x00070707,0x00040404,
  287. 0x009b9b9b,0x00949494,0x00212121,0x00666666,
  288. 0x00e6e6e6,0x00cecece,0x00ededed,0x00e7e7e7,
  289. 0x003b3b3b,0x00fefefe,0x007f7f7f,0x00c5c5c5,
  290. 0x00a4a4a4,0x00373737,0x00b1b1b1,0x004c4c4c,
  291. 0x00919191,0x006e6e6e,0x008d8d8d,0x00767676,
  292. 0x00030303,0x002d2d2d,0x00dedede,0x00969696,
  293. 0x00262626,0x007d7d7d,0x00c6c6c6,0x005c5c5c,
  294. 0x00d3d3d3,0x00f2f2f2,0x004f4f4f,0x00191919,
  295. 0x003f3f3f,0x00dcdcdc,0x00797979,0x001d1d1d,
  296. 0x00525252,0x00ebebeb,0x00f3f3f3,0x006d6d6d,
  297. 0x005e5e5e,0x00fbfbfb,0x00696969,0x00b2b2b2,
  298. 0x00f0f0f0,0x00313131,0x000c0c0c,0x00d4d4d4,
  299. 0x00cfcfcf,0x008c8c8c,0x00e2e2e2,0x00757575,
  300. 0x00a9a9a9,0x004a4a4a,0x00575757,0x00848484,
  301. 0x00111111,0x00454545,0x001b1b1b,0x00f5f5f5,
  302. 0x00e4e4e4,0x000e0e0e,0x00737373,0x00aaaaaa,
  303. 0x00f1f1f1,0x00dddddd,0x00595959,0x00141414,
  304. 0x006c6c6c,0x00929292,0x00545454,0x00d0d0d0,
  305. 0x00787878,0x00707070,0x00e3e3e3,0x00494949,
  306. 0x00808080,0x00505050,0x00a7a7a7,0x00f6f6f6,
  307. 0x00777777,0x00939393,0x00868686,0x00838383,
  308. 0x002a2a2a,0x00c7c7c7,0x005b5b5b,0x00e9e9e9,
  309. 0x00eeeeee,0x008f8f8f,0x00010101,0x003d3d3d,
  310. };
  311. static const u32 camellia_sp3033[256] = {
  312. 0x38003838,0x41004141,0x16001616,0x76007676,
  313. 0xd900d9d9,0x93009393,0x60006060,0xf200f2f2,
  314. 0x72007272,0xc200c2c2,0xab00abab,0x9a009a9a,
  315. 0x75007575,0x06000606,0x57005757,0xa000a0a0,
  316. 0x91009191,0xf700f7f7,0xb500b5b5,0xc900c9c9,
  317. 0xa200a2a2,0x8c008c8c,0xd200d2d2,0x90009090,
  318. 0xf600f6f6,0x07000707,0xa700a7a7,0x27002727,
  319. 0x8e008e8e,0xb200b2b2,0x49004949,0xde00dede,
  320. 0x43004343,0x5c005c5c,0xd700d7d7,0xc700c7c7,
  321. 0x3e003e3e,0xf500f5f5,0x8f008f8f,0x67006767,
  322. 0x1f001f1f,0x18001818,0x6e006e6e,0xaf00afaf,
  323. 0x2f002f2f,0xe200e2e2,0x85008585,0x0d000d0d,
  324. 0x53005353,0xf000f0f0,0x9c009c9c,0x65006565,
  325. 0xea00eaea,0xa300a3a3,0xae00aeae,0x9e009e9e,
  326. 0xec00ecec,0x80008080,0x2d002d2d,0x6b006b6b,
  327. 0xa800a8a8,0x2b002b2b,0x36003636,0xa600a6a6,
  328. 0xc500c5c5,0x86008686,0x4d004d4d,0x33003333,
  329. 0xfd00fdfd,0x66006666,0x58005858,0x96009696,
  330. 0x3a003a3a,0x09000909,0x95009595,0x10001010,
  331. 0x78007878,0xd800d8d8,0x42004242,0xcc00cccc,
  332. 0xef00efef,0x26002626,0xe500e5e5,0x61006161,
  333. 0x1a001a1a,0x3f003f3f,0x3b003b3b,0x82008282,
  334. 0xb600b6b6,0xdb00dbdb,0xd400d4d4,0x98009898,
  335. 0xe800e8e8,0x8b008b8b,0x02000202,0xeb00ebeb,
  336. 0x0a000a0a,0x2c002c2c,0x1d001d1d,0xb000b0b0,
  337. 0x6f006f6f,0x8d008d8d,0x88008888,0x0e000e0e,
  338. 0x19001919,0x87008787,0x4e004e4e,0x0b000b0b,
  339. 0xa900a9a9,0x0c000c0c,0x79007979,0x11001111,
  340. 0x7f007f7f,0x22002222,0xe700e7e7,0x59005959,
  341. 0xe100e1e1,0xda00dada,0x3d003d3d,0xc800c8c8,
  342. 0x12001212,0x04000404,0x74007474,0x54005454,
  343. 0x30003030,0x7e007e7e,0xb400b4b4,0x28002828,
  344. 0x55005555,0x68006868,0x50005050,0xbe00bebe,
  345. 0xd000d0d0,0xc400c4c4,0x31003131,0xcb00cbcb,
  346. 0x2a002a2a,0xad00adad,0x0f000f0f,0xca00caca,
  347. 0x70007070,0xff00ffff,0x32003232,0x69006969,
  348. 0x08000808,0x62006262,0x00000000,0x24002424,
  349. 0xd100d1d1,0xfb00fbfb,0xba00baba,0xed00eded,
  350. 0x45004545,0x81008181,0x73007373,0x6d006d6d,
  351. 0x84008484,0x9f009f9f,0xee00eeee,0x4a004a4a,
  352. 0xc300c3c3,0x2e002e2e,0xc100c1c1,0x01000101,
  353. 0xe600e6e6,0x25002525,0x48004848,0x99009999,
  354. 0xb900b9b9,0xb300b3b3,0x7b007b7b,0xf900f9f9,
  355. 0xce00cece,0xbf00bfbf,0xdf00dfdf,0x71007171,
  356. 0x29002929,0xcd00cdcd,0x6c006c6c,0x13001313,
  357. 0x64006464,0x9b009b9b,0x63006363,0x9d009d9d,
  358. 0xc000c0c0,0x4b004b4b,0xb700b7b7,0xa500a5a5,
  359. 0x89008989,0x5f005f5f,0xb100b1b1,0x17001717,
  360. 0xf400f4f4,0xbc00bcbc,0xd300d3d3,0x46004646,
  361. 0xcf00cfcf,0x37003737,0x5e005e5e,0x47004747,
  362. 0x94009494,0xfa00fafa,0xfc00fcfc,0x5b005b5b,
  363. 0x97009797,0xfe00fefe,0x5a005a5a,0xac00acac,
  364. 0x3c003c3c,0x4c004c4c,0x03000303,0x35003535,
  365. 0xf300f3f3,0x23002323,0xb800b8b8,0x5d005d5d,
  366. 0x6a006a6a,0x92009292,0xd500d5d5,0x21002121,
  367. 0x44004444,0x51005151,0xc600c6c6,0x7d007d7d,
  368. 0x39003939,0x83008383,0xdc00dcdc,0xaa00aaaa,
  369. 0x7c007c7c,0x77007777,0x56005656,0x05000505,
  370. 0x1b001b1b,0xa400a4a4,0x15001515,0x34003434,
  371. 0x1e001e1e,0x1c001c1c,0xf800f8f8,0x52005252,
  372. 0x20002020,0x14001414,0xe900e9e9,0xbd00bdbd,
  373. 0xdd00dddd,0xe400e4e4,0xa100a1a1,0xe000e0e0,
  374. 0x8a008a8a,0xf100f1f1,0xd600d6d6,0x7a007a7a,
  375. 0xbb00bbbb,0xe300e3e3,0x40004040,0x4f004f4f,
  376. };
  377. static const u32 camellia_sp4404[256] = {
  378. 0x70700070,0x2c2c002c,0xb3b300b3,0xc0c000c0,
  379. 0xe4e400e4,0x57570057,0xeaea00ea,0xaeae00ae,
  380. 0x23230023,0x6b6b006b,0x45450045,0xa5a500a5,
  381. 0xeded00ed,0x4f4f004f,0x1d1d001d,0x92920092,
  382. 0x86860086,0xafaf00af,0x7c7c007c,0x1f1f001f,
  383. 0x3e3e003e,0xdcdc00dc,0x5e5e005e,0x0b0b000b,
  384. 0xa6a600a6,0x39390039,0xd5d500d5,0x5d5d005d,
  385. 0xd9d900d9,0x5a5a005a,0x51510051,0x6c6c006c,
  386. 0x8b8b008b,0x9a9a009a,0xfbfb00fb,0xb0b000b0,
  387. 0x74740074,0x2b2b002b,0xf0f000f0,0x84840084,
  388. 0xdfdf00df,0xcbcb00cb,0x34340034,0x76760076,
  389. 0x6d6d006d,0xa9a900a9,0xd1d100d1,0x04040004,
  390. 0x14140014,0x3a3a003a,0xdede00de,0x11110011,
  391. 0x32320032,0x9c9c009c,0x53530053,0xf2f200f2,
  392. 0xfefe00fe,0xcfcf00cf,0xc3c300c3,0x7a7a007a,
  393. 0x24240024,0xe8e800e8,0x60600060,0x69690069,
  394. 0xaaaa00aa,0xa0a000a0,0xa1a100a1,0x62620062,
  395. 0x54540054,0x1e1e001e,0xe0e000e0,0x64640064,
  396. 0x10100010,0x00000000,0xa3a300a3,0x75750075,
  397. 0x8a8a008a,0xe6e600e6,0x09090009,0xdddd00dd,
  398. 0x87870087,0x83830083,0xcdcd00cd,0x90900090,
  399. 0x73730073,0xf6f600f6,0x9d9d009d,0xbfbf00bf,
  400. 0x52520052,0xd8d800d8,0xc8c800c8,0xc6c600c6,
  401. 0x81810081,0x6f6f006f,0x13130013,0x63630063,
  402. 0xe9e900e9,0xa7a700a7,0x9f9f009f,0xbcbc00bc,
  403. 0x29290029,0xf9f900f9,0x2f2f002f,0xb4b400b4,
  404. 0x78780078,0x06060006,0xe7e700e7,0x71710071,
  405. 0xd4d400d4,0xabab00ab,0x88880088,0x8d8d008d,
  406. 0x72720072,0xb9b900b9,0xf8f800f8,0xacac00ac,
  407. 0x36360036,0x2a2a002a,0x3c3c003c,0xf1f100f1,
  408. 0x40400040,0xd3d300d3,0xbbbb00bb,0x43430043,
  409. 0x15150015,0xadad00ad,0x77770077,0x80800080,
  410. 0x82820082,0xecec00ec,0x27270027,0xe5e500e5,
  411. 0x85850085,0x35350035,0x0c0c000c,0x41410041,
  412. 0xefef00ef,0x93930093,0x19190019,0x21210021,
  413. 0x0e0e000e,0x4e4e004e,0x65650065,0xbdbd00bd,
  414. 0xb8b800b8,0x8f8f008f,0xebeb00eb,0xcece00ce,
  415. 0x30300030,0x5f5f005f,0xc5c500c5,0x1a1a001a,
  416. 0xe1e100e1,0xcaca00ca,0x47470047,0x3d3d003d,
  417. 0x01010001,0xd6d600d6,0x56560056,0x4d4d004d,
  418. 0x0d0d000d,0x66660066,0xcccc00cc,0x2d2d002d,
  419. 0x12120012,0x20200020,0xb1b100b1,0x99990099,
  420. 0x4c4c004c,0xc2c200c2,0x7e7e007e,0x05050005,
  421. 0xb7b700b7,0x31310031,0x17170017,0xd7d700d7,
  422. 0x58580058,0x61610061,0x1b1b001b,0x1c1c001c,
  423. 0x0f0f000f,0x16160016,0x18180018,0x22220022,
  424. 0x44440044,0xb2b200b2,0xb5b500b5,0x91910091,
  425. 0x08080008,0xa8a800a8,0xfcfc00fc,0x50500050,
  426. 0xd0d000d0,0x7d7d007d,0x89890089,0x97970097,
  427. 0x5b5b005b,0x95950095,0xffff00ff,0xd2d200d2,
  428. 0xc4c400c4,0x48480048,0xf7f700f7,0xdbdb00db,
  429. 0x03030003,0xdada00da,0x3f3f003f,0x94940094,
  430. 0x5c5c005c,0x02020002,0x4a4a004a,0x33330033,
  431. 0x67670067,0xf3f300f3,0x7f7f007f,0xe2e200e2,
  432. 0x9b9b009b,0x26260026,0x37370037,0x3b3b003b,
  433. 0x96960096,0x4b4b004b,0xbebe00be,0x2e2e002e,
  434. 0x79790079,0x8c8c008c,0x6e6e006e,0x8e8e008e,
  435. 0xf5f500f5,0xb6b600b6,0xfdfd00fd,0x59590059,
  436. 0x98980098,0x6a6a006a,0x46460046,0xbaba00ba,
  437. 0x25250025,0x42420042,0xa2a200a2,0xfafa00fa,
  438. 0x07070007,0x55550055,0xeeee00ee,0x0a0a000a,
  439. 0x49490049,0x68680068,0x38380038,0xa4a400a4,
  440. 0x28280028,0x7b7b007b,0xc9c900c9,0xc1c100c1,
  441. 0xe3e300e3,0xf4f400f4,0xc7c700c7,0x9e9e009e,
  442. };
  443. static void camellia_setup128(const unsigned char *key, u32 *subkey)
  444. {
  445. u32 kll, klr, krl, krr;
  446. u32 il, ir, t0, t1, w0, w1;
  447. u32 kw4l, kw4r, dw, tl, tr;
  448. u32 subL[26];
  449. u32 subR[26];
  450. /**
  451. * k == kll || klr || krl || krr (|| is concatination)
  452. */
  453. kll = GETU32(key );
  454. klr = GETU32(key + 4);
  455. krl = GETU32(key + 8);
  456. krr = GETU32(key + 12);
  457. /**
  458. * generate KL dependent subkeys
  459. */
  460. /* kw1 */
  461. SUBL(0) = kll; SUBR(0) = klr;
  462. /* kw2 */
  463. SUBL(1) = krl; SUBR(1) = krr;
  464. /* rotation left shift 15bit */
  465. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  466. /* k3 */
  467. SUBL(4) = kll; SUBR(4) = klr;
  468. /* k4 */
  469. SUBL(5) = krl; SUBR(5) = krr;
  470. /* rotation left shift 15+30bit */
  471. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30);
  472. /* k7 */
  473. SUBL(10) = kll; SUBR(10) = klr;
  474. /* k8 */
  475. SUBL(11) = krl; SUBR(11) = krr;
  476. /* rotation left shift 15+30+15bit */
  477. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  478. /* k10 */
  479. SUBL(13) = krl; SUBR(13) = krr;
  480. /* rotation left shift 15+30+15+17 bit */
  481. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
  482. /* kl3 */
  483. SUBL(16) = kll; SUBR(16) = klr;
  484. /* kl4 */
  485. SUBL(17) = krl; SUBR(17) = krr;
  486. /* rotation left shift 15+30+15+17+17 bit */
  487. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
  488. /* k13 */
  489. SUBL(18) = kll; SUBR(18) = klr;
  490. /* k14 */
  491. SUBL(19) = krl; SUBR(19) = krr;
  492. /* rotation left shift 15+30+15+17+17+17 bit */
  493. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
  494. /* k17 */
  495. SUBL(22) = kll; SUBR(22) = klr;
  496. /* k18 */
  497. SUBL(23) = krl; SUBR(23) = krr;
  498. /* generate KA */
  499. kll = SUBL(0); klr = SUBR(0);
  500. krl = SUBL(1); krr = SUBR(1);
  501. CAMELLIA_F(kll, klr,
  502. CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R,
  503. w0, w1, il, ir, t0, t1);
  504. krl ^= w0; krr ^= w1;
  505. CAMELLIA_F(krl, krr,
  506. CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R,
  507. kll, klr, il, ir, t0, t1);
  508. /* current status == (kll, klr, w0, w1) */
  509. CAMELLIA_F(kll, klr,
  510. CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R,
  511. krl, krr, il, ir, t0, t1);
  512. krl ^= w0; krr ^= w1;
  513. CAMELLIA_F(krl, krr,
  514. CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R,
  515. w0, w1, il, ir, t0, t1);
  516. kll ^= w0; klr ^= w1;
  517. /* generate KA dependent subkeys */
  518. /* k1, k2 */
  519. SUBL(2) = kll; SUBR(2) = klr;
  520. SUBL(3) = krl; SUBR(3) = krr;
  521. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  522. /* k5,k6 */
  523. SUBL(6) = kll; SUBR(6) = klr;
  524. SUBL(7) = krl; SUBR(7) = krr;
  525. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  526. /* kl1, kl2 */
  527. SUBL(8) = kll; SUBR(8) = klr;
  528. SUBL(9) = krl; SUBR(9) = krr;
  529. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  530. /* k9 */
  531. SUBL(12) = kll; SUBR(12) = klr;
  532. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  533. /* k11, k12 */
  534. SUBL(14) = kll; SUBR(14) = klr;
  535. SUBL(15) = krl; SUBR(15) = krr;
  536. CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34);
  537. /* k15, k16 */
  538. SUBL(20) = kll; SUBR(20) = klr;
  539. SUBL(21) = krl; SUBR(21) = krr;
  540. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
  541. /* kw3, kw4 */
  542. SUBL(24) = kll; SUBR(24) = klr;
  543. SUBL(25) = krl; SUBR(25) = krr;
  544. /* absorb kw2 to other subkeys */
  545. /* round 2 */
  546. SUBL(3) ^= SUBL(1); SUBR(3) ^= SUBR(1);
  547. /* round 4 */
  548. SUBL(5) ^= SUBL(1); SUBR(5) ^= SUBR(1);
  549. /* round 6 */
  550. SUBL(7) ^= SUBL(1); SUBR(7) ^= SUBR(1);
  551. SUBL(1) ^= SUBR(1) & ~SUBR(9);
  552. dw = SUBL(1) & SUBL(9),
  553. SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl2) */
  554. /* round 8 */
  555. SUBL(11) ^= SUBL(1); SUBR(11) ^= SUBR(1);
  556. /* round 10 */
  557. SUBL(13) ^= SUBL(1); SUBR(13) ^= SUBR(1);
  558. /* round 12 */
  559. SUBL(15) ^= SUBL(1); SUBR(15) ^= SUBR(1);
  560. SUBL(1) ^= SUBR(1) & ~SUBR(17);
  561. dw = SUBL(1) & SUBL(17),
  562. SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl4) */
  563. /* round 14 */
  564. SUBL(19) ^= SUBL(1); SUBR(19) ^= SUBR(1);
  565. /* round 16 */
  566. SUBL(21) ^= SUBL(1); SUBR(21) ^= SUBR(1);
  567. /* round 18 */
  568. SUBL(23) ^= SUBL(1); SUBR(23) ^= SUBR(1);
  569. /* kw3 */
  570. SUBL(24) ^= SUBL(1); SUBR(24) ^= SUBR(1);
  571. /* absorb kw4 to other subkeys */
  572. kw4l = SUBL(25); kw4r = SUBR(25);
  573. /* round 17 */
  574. SUBL(22) ^= kw4l; SUBR(22) ^= kw4r;
  575. /* round 15 */
  576. SUBL(20) ^= kw4l; SUBR(20) ^= kw4r;
  577. /* round 13 */
  578. SUBL(18) ^= kw4l; SUBR(18) ^= kw4r;
  579. kw4l ^= kw4r & ~SUBR(16);
  580. dw = kw4l & SUBL(16),
  581. kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl3) */
  582. /* round 11 */
  583. SUBL(14) ^= kw4l; SUBR(14) ^= kw4r;
  584. /* round 9 */
  585. SUBL(12) ^= kw4l; SUBR(12) ^= kw4r;
  586. /* round 7 */
  587. SUBL(10) ^= kw4l; SUBR(10) ^= kw4r;
  588. kw4l ^= kw4r & ~SUBR(8);
  589. dw = kw4l & SUBL(8),
  590. kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl1) */
  591. /* round 5 */
  592. SUBL(6) ^= kw4l; SUBR(6) ^= kw4r;
  593. /* round 3 */
  594. SUBL(4) ^= kw4l; SUBR(4) ^= kw4r;
  595. /* round 1 */
  596. SUBL(2) ^= kw4l; SUBR(2) ^= kw4r;
  597. /* kw1 */
  598. SUBL(0) ^= kw4l; SUBR(0) ^= kw4r;
  599. /* key XOR is end of F-function */
  600. CAMELLIA_SUBKEY_L(0) = SUBL(0) ^ SUBL(2);/* kw1 */
  601. CAMELLIA_SUBKEY_R(0) = SUBR(0) ^ SUBR(2);
  602. CAMELLIA_SUBKEY_L(2) = SUBL(3); /* round 1 */
  603. CAMELLIA_SUBKEY_R(2) = SUBR(3);
  604. CAMELLIA_SUBKEY_L(3) = SUBL(2) ^ SUBL(4); /* round 2 */
  605. CAMELLIA_SUBKEY_R(3) = SUBR(2) ^ SUBR(4);
  606. CAMELLIA_SUBKEY_L(4) = SUBL(3) ^ SUBL(5); /* round 3 */
  607. CAMELLIA_SUBKEY_R(4) = SUBR(3) ^ SUBR(5);
  608. CAMELLIA_SUBKEY_L(5) = SUBL(4) ^ SUBL(6); /* round 4 */
  609. CAMELLIA_SUBKEY_R(5) = SUBR(4) ^ SUBR(6);
  610. CAMELLIA_SUBKEY_L(6) = SUBL(5) ^ SUBL(7); /* round 5 */
  611. CAMELLIA_SUBKEY_R(6) = SUBR(5) ^ SUBR(7);
  612. tl = SUBL(10) ^ (SUBR(10) & ~SUBR(8));
  613. dw = tl & SUBL(8), /* FL(kl1) */
  614. tr = SUBR(10) ^ CAMELLIA_RL1(dw);
  615. CAMELLIA_SUBKEY_L(7) = SUBL(6) ^ tl; /* round 6 */
  616. CAMELLIA_SUBKEY_R(7) = SUBR(6) ^ tr;
  617. CAMELLIA_SUBKEY_L(8) = SUBL(8); /* FL(kl1) */
  618. CAMELLIA_SUBKEY_R(8) = SUBR(8);
  619. CAMELLIA_SUBKEY_L(9) = SUBL(9); /* FLinv(kl2) */
  620. CAMELLIA_SUBKEY_R(9) = SUBR(9);
  621. tl = SUBL(7) ^ (SUBR(7) & ~SUBR(9));
  622. dw = tl & SUBL(9), /* FLinv(kl2) */
  623. tr = SUBR(7) ^ CAMELLIA_RL1(dw);
  624. CAMELLIA_SUBKEY_L(10) = tl ^ SUBL(11); /* round 7 */
  625. CAMELLIA_SUBKEY_R(10) = tr ^ SUBR(11);
  626. CAMELLIA_SUBKEY_L(11) = SUBL(10) ^ SUBL(12); /* round 8 */
  627. CAMELLIA_SUBKEY_R(11) = SUBR(10) ^ SUBR(12);
  628. CAMELLIA_SUBKEY_L(12) = SUBL(11) ^ SUBL(13); /* round 9 */
  629. CAMELLIA_SUBKEY_R(12) = SUBR(11) ^ SUBR(13);
  630. CAMELLIA_SUBKEY_L(13) = SUBL(12) ^ SUBL(14); /* round 10 */
  631. CAMELLIA_SUBKEY_R(13) = SUBR(12) ^ SUBR(14);
  632. CAMELLIA_SUBKEY_L(14) = SUBL(13) ^ SUBL(15); /* round 11 */
  633. CAMELLIA_SUBKEY_R(14) = SUBR(13) ^ SUBR(15);
  634. tl = SUBL(18) ^ (SUBR(18) & ~SUBR(16));
  635. dw = tl & SUBL(16), /* FL(kl3) */
  636. tr = SUBR(18) ^ CAMELLIA_RL1(dw);
  637. CAMELLIA_SUBKEY_L(15) = SUBL(14) ^ tl; /* round 12 */
  638. CAMELLIA_SUBKEY_R(15) = SUBR(14) ^ tr;
  639. CAMELLIA_SUBKEY_L(16) = SUBL(16); /* FL(kl3) */
  640. CAMELLIA_SUBKEY_R(16) = SUBR(16);
  641. CAMELLIA_SUBKEY_L(17) = SUBL(17); /* FLinv(kl4) */
  642. CAMELLIA_SUBKEY_R(17) = SUBR(17);
  643. tl = SUBL(15) ^ (SUBR(15) & ~SUBR(17));
  644. dw = tl & SUBL(17), /* FLinv(kl4) */
  645. tr = SUBR(15) ^ CAMELLIA_RL1(dw);
  646. CAMELLIA_SUBKEY_L(18) = tl ^ SUBL(19); /* round 13 */
  647. CAMELLIA_SUBKEY_R(18) = tr ^ SUBR(19);
  648. CAMELLIA_SUBKEY_L(19) = SUBL(18) ^ SUBL(20); /* round 14 */
  649. CAMELLIA_SUBKEY_R(19) = SUBR(18) ^ SUBR(20);
  650. CAMELLIA_SUBKEY_L(20) = SUBL(19) ^ SUBL(21); /* round 15 */
  651. CAMELLIA_SUBKEY_R(20) = SUBR(19) ^ SUBR(21);
  652. CAMELLIA_SUBKEY_L(21) = SUBL(20) ^ SUBL(22); /* round 16 */
  653. CAMELLIA_SUBKEY_R(21) = SUBR(20) ^ SUBR(22);
  654. CAMELLIA_SUBKEY_L(22) = SUBL(21) ^ SUBL(23); /* round 17 */
  655. CAMELLIA_SUBKEY_R(22) = SUBR(21) ^ SUBR(23);
  656. CAMELLIA_SUBKEY_L(23) = SUBL(22); /* round 18 */
  657. CAMELLIA_SUBKEY_R(23) = SUBR(22);
  658. CAMELLIA_SUBKEY_L(24) = SUBL(24) ^ SUBL(23); /* kw3 */
  659. CAMELLIA_SUBKEY_R(24) = SUBR(24) ^ SUBR(23);
  660. /* apply the inverse of the last half of P-function */
  661. dw = CAMELLIA_SUBKEY_L(2) ^ CAMELLIA_SUBKEY_R(2),
  662. dw = CAMELLIA_RL8(dw);/* round 1 */
  663. CAMELLIA_SUBKEY_R(2) = CAMELLIA_SUBKEY_L(2) ^ dw,
  664. CAMELLIA_SUBKEY_L(2) = dw;
  665. dw = CAMELLIA_SUBKEY_L(3) ^ CAMELLIA_SUBKEY_R(3),
  666. dw = CAMELLIA_RL8(dw);/* round 2 */
  667. CAMELLIA_SUBKEY_R(3) = CAMELLIA_SUBKEY_L(3) ^ dw,
  668. CAMELLIA_SUBKEY_L(3) = dw;
  669. dw = CAMELLIA_SUBKEY_L(4) ^ CAMELLIA_SUBKEY_R(4),
  670. dw = CAMELLIA_RL8(dw);/* round 3 */
  671. CAMELLIA_SUBKEY_R(4) = CAMELLIA_SUBKEY_L(4) ^ dw,
  672. CAMELLIA_SUBKEY_L(4) = dw;
  673. dw = CAMELLIA_SUBKEY_L(5) ^ CAMELLIA_SUBKEY_R(5),
  674. dw = CAMELLIA_RL8(dw);/* round 4 */
  675. CAMELLIA_SUBKEY_R(5) = CAMELLIA_SUBKEY_L(5) ^ dw,
  676. CAMELLIA_SUBKEY_L(5) = dw;
  677. dw = CAMELLIA_SUBKEY_L(6) ^ CAMELLIA_SUBKEY_R(6),
  678. dw = CAMELLIA_RL8(dw);/* round 5 */
  679. CAMELLIA_SUBKEY_R(6) = CAMELLIA_SUBKEY_L(6) ^ dw,
  680. CAMELLIA_SUBKEY_L(6) = dw;
  681. dw = CAMELLIA_SUBKEY_L(7) ^ CAMELLIA_SUBKEY_R(7),
  682. dw = CAMELLIA_RL8(dw);/* round 6 */
  683. CAMELLIA_SUBKEY_R(7) = CAMELLIA_SUBKEY_L(7) ^ dw,
  684. CAMELLIA_SUBKEY_L(7) = dw;
  685. dw = CAMELLIA_SUBKEY_L(10) ^ CAMELLIA_SUBKEY_R(10),
  686. dw = CAMELLIA_RL8(dw);/* round 7 */
  687. CAMELLIA_SUBKEY_R(10) = CAMELLIA_SUBKEY_L(10) ^ dw,
  688. CAMELLIA_SUBKEY_L(10) = dw;
  689. dw = CAMELLIA_SUBKEY_L(11) ^ CAMELLIA_SUBKEY_R(11),
  690. dw = CAMELLIA_RL8(dw);/* round 8 */
  691. CAMELLIA_SUBKEY_R(11) = CAMELLIA_SUBKEY_L(11) ^ dw,
  692. CAMELLIA_SUBKEY_L(11) = dw;
  693. dw = CAMELLIA_SUBKEY_L(12) ^ CAMELLIA_SUBKEY_R(12),
  694. dw = CAMELLIA_RL8(dw);/* round 9 */
  695. CAMELLIA_SUBKEY_R(12) = CAMELLIA_SUBKEY_L(12) ^ dw,
  696. CAMELLIA_SUBKEY_L(12) = dw;
  697. dw = CAMELLIA_SUBKEY_L(13) ^ CAMELLIA_SUBKEY_R(13),
  698. dw = CAMELLIA_RL8(dw);/* round 10 */
  699. CAMELLIA_SUBKEY_R(13) = CAMELLIA_SUBKEY_L(13) ^ dw,
  700. CAMELLIA_SUBKEY_L(13) = dw;
  701. dw = CAMELLIA_SUBKEY_L(14) ^ CAMELLIA_SUBKEY_R(14),
  702. dw = CAMELLIA_RL8(dw);/* round 11 */
  703. CAMELLIA_SUBKEY_R(14) = CAMELLIA_SUBKEY_L(14) ^ dw,
  704. CAMELLIA_SUBKEY_L(14) = dw;
  705. dw = CAMELLIA_SUBKEY_L(15) ^ CAMELLIA_SUBKEY_R(15),
  706. dw = CAMELLIA_RL8(dw);/* round 12 */
  707. CAMELLIA_SUBKEY_R(15) = CAMELLIA_SUBKEY_L(15) ^ dw,
  708. CAMELLIA_SUBKEY_L(15) = dw;
  709. dw = CAMELLIA_SUBKEY_L(18) ^ CAMELLIA_SUBKEY_R(18),
  710. dw = CAMELLIA_RL8(dw);/* round 13 */
  711. CAMELLIA_SUBKEY_R(18) = CAMELLIA_SUBKEY_L(18) ^ dw,
  712. CAMELLIA_SUBKEY_L(18) = dw;
  713. dw = CAMELLIA_SUBKEY_L(19) ^ CAMELLIA_SUBKEY_R(19),
  714. dw = CAMELLIA_RL8(dw);/* round 14 */
  715. CAMELLIA_SUBKEY_R(19) = CAMELLIA_SUBKEY_L(19) ^ dw,
  716. CAMELLIA_SUBKEY_L(19) = dw;
  717. dw = CAMELLIA_SUBKEY_L(20) ^ CAMELLIA_SUBKEY_R(20),
  718. dw = CAMELLIA_RL8(dw);/* round 15 */
  719. CAMELLIA_SUBKEY_R(20) = CAMELLIA_SUBKEY_L(20) ^ dw,
  720. CAMELLIA_SUBKEY_L(20) = dw;
  721. dw = CAMELLIA_SUBKEY_L(21) ^ CAMELLIA_SUBKEY_R(21),
  722. dw = CAMELLIA_RL8(dw);/* round 16 */
  723. CAMELLIA_SUBKEY_R(21) = CAMELLIA_SUBKEY_L(21) ^ dw,
  724. CAMELLIA_SUBKEY_L(21) = dw;
  725. dw = CAMELLIA_SUBKEY_L(22) ^ CAMELLIA_SUBKEY_R(22),
  726. dw = CAMELLIA_RL8(dw);/* round 17 */
  727. CAMELLIA_SUBKEY_R(22) = CAMELLIA_SUBKEY_L(22) ^ dw,
  728. CAMELLIA_SUBKEY_L(22) = dw;
  729. dw = CAMELLIA_SUBKEY_L(23) ^ CAMELLIA_SUBKEY_R(23),
  730. dw = CAMELLIA_RL8(dw);/* round 18 */
  731. CAMELLIA_SUBKEY_R(23) = CAMELLIA_SUBKEY_L(23) ^ dw,
  732. CAMELLIA_SUBKEY_L(23) = dw;
  733. return;
  734. }
  735. static void camellia_setup256(const unsigned char *key, u32 *subkey)
  736. {
  737. u32 kll,klr,krl,krr; /* left half of key */
  738. u32 krll,krlr,krrl,krrr; /* right half of key */
  739. u32 il, ir, t0, t1, w0, w1; /* temporary variables */
  740. u32 kw4l, kw4r, dw, tl, tr;
  741. u32 subL[34];
  742. u32 subR[34];
  743. /**
  744. * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr)
  745. * (|| is concatination)
  746. */
  747. kll = GETU32(key );
  748. klr = GETU32(key + 4);
  749. krl = GETU32(key + 8);
  750. krr = GETU32(key + 12);
  751. krll = GETU32(key + 16);
  752. krlr = GETU32(key + 20);
  753. krrl = GETU32(key + 24);
  754. krrr = GETU32(key + 28);
  755. /* generate KL dependent subkeys */
  756. /* kw1 */
  757. SUBL(0) = kll; SUBR(0) = klr;
  758. /* kw2 */
  759. SUBL(1) = krl; SUBR(1) = krr;
  760. CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 45);
  761. /* k9 */
  762. SUBL(12) = kll; SUBR(12) = klr;
  763. /* k10 */
  764. SUBL(13) = krl; SUBR(13) = krr;
  765. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  766. /* kl3 */
  767. SUBL(16) = kll; SUBR(16) = klr;
  768. /* kl4 */
  769. SUBL(17) = krl; SUBR(17) = krr;
  770. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17);
  771. /* k17 */
  772. SUBL(22) = kll; SUBR(22) = klr;
  773. /* k18 */
  774. SUBL(23) = krl; SUBR(23) = krr;
  775. CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34);
  776. /* k23 */
  777. SUBL(30) = kll; SUBR(30) = klr;
  778. /* k24 */
  779. SUBL(31) = krl; SUBR(31) = krr;
  780. /* generate KR dependent subkeys */
  781. CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15);
  782. /* k3 */
  783. SUBL(4) = krll; SUBR(4) = krlr;
  784. /* k4 */
  785. SUBL(5) = krrl; SUBR(5) = krrr;
  786. CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15);
  787. /* kl1 */
  788. SUBL(8) = krll; SUBR(8) = krlr;
  789. /* kl2 */
  790. SUBL(9) = krrl; SUBR(9) = krrr;
  791. CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
  792. /* k13 */
  793. SUBL(18) = krll; SUBR(18) = krlr;
  794. /* k14 */
  795. SUBL(19) = krrl; SUBR(19) = krrr;
  796. CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34);
  797. /* k19 */
  798. SUBL(26) = krll; SUBR(26) = krlr;
  799. /* k20 */
  800. SUBL(27) = krrl; SUBR(27) = krrr;
  801. CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34);
  802. /* generate KA */
  803. kll = SUBL(0) ^ krll; klr = SUBR(0) ^ krlr;
  804. krl = SUBL(1) ^ krrl; krr = SUBR(1) ^ krrr;
  805. CAMELLIA_F(kll, klr,
  806. CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R,
  807. w0, w1, il, ir, t0, t1);
  808. krl ^= w0; krr ^= w1;
  809. CAMELLIA_F(krl, krr,
  810. CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R,
  811. kll, klr, il, ir, t0, t1);
  812. kll ^= krll; klr ^= krlr;
  813. CAMELLIA_F(kll, klr,
  814. CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R,
  815. krl, krr, il, ir, t0, t1);
  816. krl ^= w0 ^ krrl; krr ^= w1 ^ krrr;
  817. CAMELLIA_F(krl, krr,
  818. CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R,
  819. w0, w1, il, ir, t0, t1);
  820. kll ^= w0; klr ^= w1;
  821. /* generate KB */
  822. krll ^= kll; krlr ^= klr;
  823. krrl ^= krl; krrr ^= krr;
  824. CAMELLIA_F(krll, krlr,
  825. CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R,
  826. w0, w1, il, ir, t0, t1);
  827. krrl ^= w0; krrr ^= w1;
  828. CAMELLIA_F(krrl, krrr,
  829. CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R,
  830. w0, w1, il, ir, t0, t1);
  831. krll ^= w0; krlr ^= w1;
  832. /* generate KA dependent subkeys */
  833. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15);
  834. /* k5 */
  835. SUBL(6) = kll; SUBR(6) = klr;
  836. /* k6 */
  837. SUBL(7) = krl; SUBR(7) = krr;
  838. CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30);
  839. /* k11 */
  840. SUBL(14) = kll; SUBR(14) = klr;
  841. /* k12 */
  842. SUBL(15) = krl; SUBR(15) = krr;
  843. /* rotation left shift 32bit */
  844. /* kl5 */
  845. SUBL(24) = klr; SUBR(24) = krl;
  846. /* kl6 */
  847. SUBL(25) = krr; SUBR(25) = kll;
  848. /* rotation left shift 49 from k11,k12 -> k21,k22 */
  849. CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 49);
  850. /* k21 */
  851. SUBL(28) = kll; SUBR(28) = klr;
  852. /* k22 */
  853. SUBL(29) = krl; SUBR(29) = krr;
  854. /* generate KB dependent subkeys */
  855. /* k1 */
  856. SUBL(2) = krll; SUBR(2) = krlr;
  857. /* k2 */
  858. SUBL(3) = krrl; SUBR(3) = krrr;
  859. CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
  860. /* k7 */
  861. SUBL(10) = krll; SUBR(10) = krlr;
  862. /* k8 */
  863. SUBL(11) = krrl; SUBR(11) = krrr;
  864. CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30);
  865. /* k15 */
  866. SUBL(20) = krll; SUBR(20) = krlr;
  867. /* k16 */
  868. SUBL(21) = krrl; SUBR(21) = krrr;
  869. CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51);
  870. /* kw3 */
  871. SUBL(32) = krll; SUBR(32) = krlr;
  872. /* kw4 */
  873. SUBL(33) = krrl; SUBR(33) = krrr;
  874. /* absorb kw2 to other subkeys */
  875. /* round 2 */
  876. SUBL(3) ^= SUBL(1); SUBR(3) ^= SUBR(1);
  877. /* round 4 */
  878. SUBL(5) ^= SUBL(1); SUBR(5) ^= SUBR(1);
  879. /* round 6 */
  880. SUBL(7) ^= SUBL(1); SUBR(7) ^= SUBR(1);
  881. SUBL(1) ^= SUBR(1) & ~SUBR(9);
  882. dw = SUBL(1) & SUBL(9),
  883. SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl2) */
  884. /* round 8 */
  885. SUBL(11) ^= SUBL(1); SUBR(11) ^= SUBR(1);
  886. /* round 10 */
  887. SUBL(13) ^= SUBL(1); SUBR(13) ^= SUBR(1);
  888. /* round 12 */
  889. SUBL(15) ^= SUBL(1); SUBR(15) ^= SUBR(1);
  890. SUBL(1) ^= SUBR(1) & ~SUBR(17);
  891. dw = SUBL(1) & SUBL(17),
  892. SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl4) */
  893. /* round 14 */
  894. SUBL(19) ^= SUBL(1); SUBR(19) ^= SUBR(1);
  895. /* round 16 */
  896. SUBL(21) ^= SUBL(1); SUBR(21) ^= SUBR(1);
  897. /* round 18 */
  898. SUBL(23) ^= SUBL(1); SUBR(23) ^= SUBR(1);
  899. SUBL(1) ^= SUBR(1) & ~SUBR(25);
  900. dw = SUBL(1) & SUBL(25),
  901. SUBR(1) ^= CAMELLIA_RL1(dw); /* modified for FLinv(kl6) */
  902. /* round 20 */
  903. SUBL(27) ^= SUBL(1); SUBR(27) ^= SUBR(1);
  904. /* round 22 */
  905. SUBL(29) ^= SUBL(1); SUBR(29) ^= SUBR(1);
  906. /* round 24 */
  907. SUBL(31) ^= SUBL(1); SUBR(31) ^= SUBR(1);
  908. /* kw3 */
  909. SUBL(32) ^= SUBL(1); SUBR(32) ^= SUBR(1);
  910. /* absorb kw4 to other subkeys */
  911. kw4l = SUBL(33); kw4r = SUBR(33);
  912. /* round 23 */
  913. SUBL(30) ^= kw4l; SUBR(30) ^= kw4r;
  914. /* round 21 */
  915. SUBL(28) ^= kw4l; SUBR(28) ^= kw4r;
  916. /* round 19 */
  917. SUBL(26) ^= kw4l; SUBR(26) ^= kw4r;
  918. kw4l ^= kw4r & ~SUBR(24);
  919. dw = kw4l & SUBL(24),
  920. kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl5) */
  921. /* round 17 */
  922. SUBL(22) ^= kw4l; SUBR(22) ^= kw4r;
  923. /* round 15 */
  924. SUBL(20) ^= kw4l; SUBR(20) ^= kw4r;
  925. /* round 13 */
  926. SUBL(18) ^= kw4l; SUBR(18) ^= kw4r;
  927. kw4l ^= kw4r & ~SUBR(16);
  928. dw = kw4l & SUBL(16),
  929. kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl3) */
  930. /* round 11 */
  931. SUBL(14) ^= kw4l; SUBR(14) ^= kw4r;
  932. /* round 9 */
  933. SUBL(12) ^= kw4l; SUBR(12) ^= kw4r;
  934. /* round 7 */
  935. SUBL(10) ^= kw4l; SUBR(10) ^= kw4r;
  936. kw4l ^= kw4r & ~SUBR(8);
  937. dw = kw4l & SUBL(8),
  938. kw4r ^= CAMELLIA_RL1(dw); /* modified for FL(kl1) */
  939. /* round 5 */
  940. SUBL(6) ^= kw4l; SUBR(6) ^= kw4r;
  941. /* round 3 */
  942. SUBL(4) ^= kw4l; SUBR(4) ^= kw4r;
  943. /* round 1 */
  944. SUBL(2) ^= kw4l; SUBR(2) ^= kw4r;
  945. /* kw1 */
  946. SUBL(0) ^= kw4l; SUBR(0) ^= kw4r;
  947. /* key XOR is end of F-function */
  948. CAMELLIA_SUBKEY_L(0) = SUBL(0) ^ SUBL(2);/* kw1 */
  949. CAMELLIA_SUBKEY_R(0) = SUBR(0) ^ SUBR(2);
  950. CAMELLIA_SUBKEY_L(2) = SUBL(3); /* round 1 */
  951. CAMELLIA_SUBKEY_R(2) = SUBR(3);
  952. CAMELLIA_SUBKEY_L(3) = SUBL(2) ^ SUBL(4); /* round 2 */
  953. CAMELLIA_SUBKEY_R(3) = SUBR(2) ^ SUBR(4);
  954. CAMELLIA_SUBKEY_L(4) = SUBL(3) ^ SUBL(5); /* round 3 */
  955. CAMELLIA_SUBKEY_R(4) = SUBR(3) ^ SUBR(5);
  956. CAMELLIA_SUBKEY_L(5) = SUBL(4) ^ SUBL(6); /* round 4 */
  957. CAMELLIA_SUBKEY_R(5) = SUBR(4) ^ SUBR(6);
  958. CAMELLIA_SUBKEY_L(6) = SUBL(5) ^ SUBL(7); /* round 5 */
  959. CAMELLIA_SUBKEY_R(6) = SUBR(5) ^ SUBR(7);
  960. tl = SUBL(10) ^ (SUBR(10) & ~SUBR(8));
  961. dw = tl & SUBL(8), /* FL(kl1) */
  962. tr = SUBR(10) ^ CAMELLIA_RL1(dw);
  963. CAMELLIA_SUBKEY_L(7) = SUBL(6) ^ tl; /* round 6 */
  964. CAMELLIA_SUBKEY_R(7) = SUBR(6) ^ tr;
  965. CAMELLIA_SUBKEY_L(8) = SUBL(8); /* FL(kl1) */
  966. CAMELLIA_SUBKEY_R(8) = SUBR(8);
  967. CAMELLIA_SUBKEY_L(9) = SUBL(9); /* FLinv(kl2) */
  968. CAMELLIA_SUBKEY_R(9) = SUBR(9);
  969. tl = SUBL(7) ^ (SUBR(7) & ~SUBR(9));
  970. dw = tl & SUBL(9), /* FLinv(kl2) */
  971. tr = SUBR(7) ^ CAMELLIA_RL1(dw);
  972. CAMELLIA_SUBKEY_L(10) = tl ^ SUBL(11); /* round 7 */
  973. CAMELLIA_SUBKEY_R(10) = tr ^ SUBR(11);
  974. CAMELLIA_SUBKEY_L(11) = SUBL(10) ^ SUBL(12); /* round 8 */
  975. CAMELLIA_SUBKEY_R(11) = SUBR(10) ^ SUBR(12);
  976. CAMELLIA_SUBKEY_L(12) = SUBL(11) ^ SUBL(13); /* round 9 */
  977. CAMELLIA_SUBKEY_R(12) = SUBR(11) ^ SUBR(13);
  978. CAMELLIA_SUBKEY_L(13) = SUBL(12) ^ SUBL(14); /* round 10 */
  979. CAMELLIA_SUBKEY_R(13) = SUBR(12) ^ SUBR(14);
  980. CAMELLIA_SUBKEY_L(14) = SUBL(13) ^ SUBL(15); /* round 11 */
  981. CAMELLIA_SUBKEY_R(14) = SUBR(13) ^ SUBR(15);
  982. tl = SUBL(18) ^ (SUBR(18) & ~SUBR(16));
  983. dw = tl & SUBL(16), /* FL(kl3) */
  984. tr = SUBR(18) ^ CAMELLIA_RL1(dw);
  985. CAMELLIA_SUBKEY_L(15) = SUBL(14) ^ tl; /* round 12 */
  986. CAMELLIA_SUBKEY_R(15) = SUBR(14) ^ tr;
  987. CAMELLIA_SUBKEY_L(16) = SUBL(16); /* FL(kl3) */
  988. CAMELLIA_SUBKEY_R(16) = SUBR(16);
  989. CAMELLIA_SUBKEY_L(17) = SUBL(17); /* FLinv(kl4) */
  990. CAMELLIA_SUBKEY_R(17) = SUBR(17);
  991. tl = SUBL(15) ^ (SUBR(15) & ~SUBR(17));
  992. dw = tl & SUBL(17), /* FLinv(kl4) */
  993. tr = SUBR(15) ^ CAMELLIA_RL1(dw);
  994. CAMELLIA_SUBKEY_L(18) = tl ^ SUBL(19); /* round 13 */
  995. CAMELLIA_SUBKEY_R(18) = tr ^ SUBR(19);
  996. CAMELLIA_SUBKEY_L(19) = SUBL(18) ^ SUBL(20); /* round 14 */
  997. CAMELLIA_SUBKEY_R(19) = SUBR(18) ^ SUBR(20);
  998. CAMELLIA_SUBKEY_L(20) = SUBL(19) ^ SUBL(21); /* round 15 */
  999. CAMELLIA_SUBKEY_R(20) = SUBR(19) ^ SUBR(21);
  1000. CAMELLIA_SUBKEY_L(21) = SUBL(20) ^ SUBL(22); /* round 16 */
  1001. CAMELLIA_SUBKEY_R(21) = SUBR(20) ^ SUBR(22);
  1002. CAMELLIA_SUBKEY_L(22) = SUBL(21) ^ SUBL(23); /* round 17 */
  1003. CAMELLIA_SUBKEY_R(22) = SUBR(21) ^ SUBR(23);
  1004. tl = SUBL(26) ^ (SUBR(26)
  1005. & ~SUBR(24));
  1006. dw = tl & SUBL(24), /* FL(kl5) */
  1007. tr = SUBR(26) ^ CAMELLIA_RL1(dw);
  1008. CAMELLIA_SUBKEY_L(23) = SUBL(22) ^ tl; /* round 18 */
  1009. CAMELLIA_SUBKEY_R(23) = SUBR(22) ^ tr;
  1010. CAMELLIA_SUBKEY_L(24) = SUBL(24); /* FL(kl5) */
  1011. CAMELLIA_SUBKEY_R(24) = SUBR(24);
  1012. CAMELLIA_SUBKEY_L(25) = SUBL(25); /* FLinv(kl6) */
  1013. CAMELLIA_SUBKEY_R(25) = SUBR(25);
  1014. tl = SUBL(23) ^ (SUBR(23) &
  1015. ~SUBR(25));
  1016. dw = tl & SUBL(25), /* FLinv(kl6) */
  1017. tr = SUBR(23) ^ CAMELLIA_RL1(dw);
  1018. CAMELLIA_SUBKEY_L(26) = tl ^ SUBL(27); /* round 19 */
  1019. CAMELLIA_SUBKEY_R(26) = tr ^ SUBR(27);
  1020. CAMELLIA_SUBKEY_L(27) = SUBL(26) ^ SUBL(28); /* round 20 */
  1021. CAMELLIA_SUBKEY_R(27) = SUBR(26) ^ SUBR(28);
  1022. CAMELLIA_SUBKEY_L(28) = SUBL(27) ^ SUBL(29); /* round 21 */
  1023. CAMELLIA_SUBKEY_R(28) = SUBR(27) ^ SUBR(29);
  1024. CAMELLIA_SUBKEY_L(29) = SUBL(28) ^ SUBL(30); /* round 22 */
  1025. CAMELLIA_SUBKEY_R(29) = SUBR(28) ^ SUBR(30);
  1026. CAMELLIA_SUBKEY_L(30) = SUBL(29) ^ SUBL(31); /* round 23 */
  1027. CAMELLIA_SUBKEY_R(30) = SUBR(29) ^ SUBR(31);
  1028. CAMELLIA_SUBKEY_L(31) = SUBL(30); /* round 24 */
  1029. CAMELLIA_SUBKEY_R(31) = SUBR(30);
  1030. CAMELLIA_SUBKEY_L(32) = SUBL(32) ^ SUBL(31); /* kw3 */
  1031. CAMELLIA_SUBKEY_R(32) = SUBR(32) ^ SUBR(31);
  1032. /* apply the inverse of the last half of P-function */
  1033. dw = CAMELLIA_SUBKEY_L(2) ^ CAMELLIA_SUBKEY_R(2),
  1034. dw = CAMELLIA_RL8(dw);/* round 1 */
  1035. CAMELLIA_SUBKEY_R(2) = CAMELLIA_SUBKEY_L(2) ^ dw,
  1036. CAMELLIA_SUBKEY_L(2) = dw;
  1037. dw = CAMELLIA_SUBKEY_L(3) ^ CAMELLIA_SUBKEY_R(3),
  1038. dw = CAMELLIA_RL8(dw);/* round 2 */
  1039. CAMELLIA_SUBKEY_R(3) = CAMELLIA_SUBKEY_L(3) ^ dw,
  1040. CAMELLIA_SUBKEY_L(3) = dw;
  1041. dw = CAMELLIA_SUBKEY_L(4) ^ CAMELLIA_SUBKEY_R(4),
  1042. dw = CAMELLIA_RL8(dw);/* round 3 */
  1043. CAMELLIA_SUBKEY_R(4) = CAMELLIA_SUBKEY_L(4) ^ dw,
  1044. CAMELLIA_SUBKEY_L(4) = dw;
  1045. dw = CAMELLIA_SUBKEY_L(5) ^ CAMELLIA_SUBKEY_R(5),
  1046. dw = CAMELLIA_RL8(dw);/* round 4 */
  1047. CAMELLIA_SUBKEY_R(5) = CAMELLIA_SUBKEY_L(5) ^ dw,
  1048. CAMELLIA_SUBKEY_L(5) = dw;
  1049. dw = CAMELLIA_SUBKEY_L(6) ^ CAMELLIA_SUBKEY_R(6),
  1050. dw = CAMELLIA_RL8(dw);/* round 5 */
  1051. CAMELLIA_SUBKEY_R(6) = CAMELLIA_SUBKEY_L(6) ^ dw,
  1052. CAMELLIA_SUBKEY_L(6) = dw;
  1053. dw = CAMELLIA_SUBKEY_L(7) ^ CAMELLIA_SUBKEY_R(7),
  1054. dw = CAMELLIA_RL8(dw);/* round 6 */
  1055. CAMELLIA_SUBKEY_R(7) = CAMELLIA_SUBKEY_L(7) ^ dw,
  1056. CAMELLIA_SUBKEY_L(7) = dw;
  1057. dw = CAMELLIA_SUBKEY_L(10) ^ CAMELLIA_SUBKEY_R(10),
  1058. dw = CAMELLIA_RL8(dw);/* round 7 */
  1059. CAMELLIA_SUBKEY_R(10) = CAMELLIA_SUBKEY_L(10) ^ dw,
  1060. CAMELLIA_SUBKEY_L(10) = dw;
  1061. dw = CAMELLIA_SUBKEY_L(11) ^ CAMELLIA_SUBKEY_R(11),
  1062. dw = CAMELLIA_RL8(dw);/* round 8 */
  1063. CAMELLIA_SUBKEY_R(11) = CAMELLIA_SUBKEY_L(11) ^ dw,
  1064. CAMELLIA_SUBKEY_L(11) = dw;
  1065. dw = CAMELLIA_SUBKEY_L(12) ^ CAMELLIA_SUBKEY_R(12),
  1066. dw = CAMELLIA_RL8(dw);/* round 9 */
  1067. CAMELLIA_SUBKEY_R(12) = CAMELLIA_SUBKEY_L(12) ^ dw,
  1068. CAMELLIA_SUBKEY_L(12) = dw;
  1069. dw = CAMELLIA_SUBKEY_L(13) ^ CAMELLIA_SUBKEY_R(13),
  1070. dw = CAMELLIA_RL8(dw);/* round 10 */
  1071. CAMELLIA_SUBKEY_R(13) = CAMELLIA_SUBKEY_L(13) ^ dw,
  1072. CAMELLIA_SUBKEY_L(13) = dw;
  1073. dw = CAMELLIA_SUBKEY_L(14) ^ CAMELLIA_SUBKEY_R(14),
  1074. dw = CAMELLIA_RL8(dw);/* round 11 */
  1075. CAMELLIA_SUBKEY_R(14) = CAMELLIA_SUBKEY_L(14) ^ dw,
  1076. CAMELLIA_SUBKEY_L(14) = dw;
  1077. dw = CAMELLIA_SUBKEY_L(15) ^ CAMELLIA_SUBKEY_R(15),
  1078. dw = CAMELLIA_RL8(dw);/* round 12 */
  1079. CAMELLIA_SUBKEY_R(15) = CAMELLIA_SUBKEY_L(15) ^ dw,
  1080. CAMELLIA_SUBKEY_L(15) = dw;
  1081. dw = CAMELLIA_SUBKEY_L(18) ^ CAMELLIA_SUBKEY_R(18),
  1082. dw = CAMELLIA_RL8(dw);/* round 13 */
  1083. CAMELLIA_SUBKEY_R(18) = CAMELLIA_SUBKEY_L(18) ^ dw,
  1084. CAMELLIA_SUBKEY_L(18) = dw;
  1085. dw = CAMELLIA_SUBKEY_L(19) ^ CAMELLIA_SUBKEY_R(19),
  1086. dw = CAMELLIA_RL8(dw);/* round 14 */
  1087. CAMELLIA_SUBKEY_R(19) = CAMELLIA_SUBKEY_L(19) ^ dw,
  1088. CAMELLIA_SUBKEY_L(19) = dw;
  1089. dw = CAMELLIA_SUBKEY_L(20) ^ CAMELLIA_SUBKEY_R(20),
  1090. dw = CAMELLIA_RL8(dw);/* round 15 */
  1091. CAMELLIA_SUBKEY_R(20) = CAMELLIA_SUBKEY_L(20) ^ dw,
  1092. CAMELLIA_SUBKEY_L(20) = dw;
  1093. dw = CAMELLIA_SUBKEY_L(21) ^ CAMELLIA_SUBKEY_R(21),
  1094. dw = CAMELLIA_RL8(dw);/* round 16 */
  1095. CAMELLIA_SUBKEY_R(21) = CAMELLIA_SUBKEY_L(21) ^ dw,
  1096. CAMELLIA_SUBKEY_L(21) = dw;
  1097. dw = CAMELLIA_SUBKEY_L(22) ^ CAMELLIA_SUBKEY_R(22),
  1098. dw = CAMELLIA_RL8(dw);/* round 17 */
  1099. CAMELLIA_SUBKEY_R(22) = CAMELLIA_SUBKEY_L(22) ^ dw,
  1100. CAMELLIA_SUBKEY_L(22) = dw;
  1101. dw = CAMELLIA_SUBKEY_L(23) ^ CAMELLIA_SUBKEY_R(23),
  1102. dw = CAMELLIA_RL8(dw);/* round 18 */
  1103. CAMELLIA_SUBKEY_R(23) = CAMELLIA_SUBKEY_L(23) ^ dw,
  1104. CAMELLIA_SUBKEY_L(23) = dw;
  1105. dw = CAMELLIA_SUBKEY_L(26) ^ CAMELLIA_SUBKEY_R(26),
  1106. dw = CAMELLIA_RL8(dw);/* round 19 */
  1107. CAMELLIA_SUBKEY_R(26) = CAMELLIA_SUBKEY_L(26) ^ dw,
  1108. CAMELLIA_SUBKEY_L(26) = dw;
  1109. dw = CAMELLIA_SUBKEY_L(27) ^ CAMELLIA_SUBKEY_R(27),
  1110. dw = CAMELLIA_RL8(dw);/* round 20 */
  1111. CAMELLIA_SUBKEY_R(27) = CAMELLIA_SUBKEY_L(27) ^ dw,
  1112. CAMELLIA_SUBKEY_L(27) = dw;
  1113. dw = CAMELLIA_SUBKEY_L(28) ^ CAMELLIA_SUBKEY_R(28),
  1114. dw = CAMELLIA_RL8(dw);/* round 21 */
  1115. CAMELLIA_SUBKEY_R(28) = CAMELLIA_SUBKEY_L(28) ^ dw,
  1116. CAMELLIA_SUBKEY_L(28) = dw;
  1117. dw = CAMELLIA_SUBKEY_L(29) ^ CAMELLIA_SUBKEY_R(29),
  1118. dw = CAMELLIA_RL8(dw);/* round 22 */
  1119. CAMELLIA_SUBKEY_R(29) = CAMELLIA_SUBKEY_L(29) ^ dw,
  1120. CAMELLIA_SUBKEY_L(29) = dw;
  1121. dw = CAMELLIA_SUBKEY_L(30) ^ CAMELLIA_SUBKEY_R(30),
  1122. dw = CAMELLIA_RL8(dw);/* round 23 */
  1123. CAMELLIA_SUBKEY_R(30) = CAMELLIA_SUBKEY_L(30) ^ dw,
  1124. CAMELLIA_SUBKEY_L(30) = dw;
  1125. dw = CAMELLIA_SUBKEY_L(31) ^ CAMELLIA_SUBKEY_R(31),
  1126. dw = CAMELLIA_RL8(dw);/* round 24 */
  1127. CAMELLIA_SUBKEY_R(31) = CAMELLIA_SUBKEY_L(31) ^ dw,
  1128. CAMELLIA_SUBKEY_L(31) = dw;
  1129. return;
  1130. }
  1131. static void camellia_setup192(const unsigned char *key, u32 *subkey)
  1132. {
  1133. unsigned char kk[32];
  1134. u32 krll, krlr, krrl,krrr;
  1135. memcpy(kk, key, 24);
  1136. memcpy((unsigned char *)&krll, key+16,4);
  1137. memcpy((unsigned char *)&krlr, key+20,4);
  1138. krrl = ~krll;
  1139. krrr = ~krlr;
  1140. memcpy(kk+24, (unsigned char *)&krrl, 4);
  1141. memcpy(kk+28, (unsigned char *)&krrr, 4);
  1142. camellia_setup256(kk, subkey);
  1143. return;
  1144. }
  1145. /**
  1146. * Stuff related to camellia encryption/decryption
  1147. */
  1148. static void camellia_encrypt128(const u32 *subkey, __be32 *io_text)
  1149. {
  1150. u32 il,ir,t0,t1; /* temporary valiables */
  1151. u32 io[4];
  1152. io[0] = be32_to_cpu(io_text[0]);
  1153. io[1] = be32_to_cpu(io_text[1]);
  1154. io[2] = be32_to_cpu(io_text[2]);
  1155. io[3] = be32_to_cpu(io_text[3]);
  1156. /* pre whitening but absorb kw2*/
  1157. io[0] ^= CAMELLIA_SUBKEY_L(0);
  1158. io[1] ^= CAMELLIA_SUBKEY_R(0);
  1159. /* main iteration */
  1160. CAMELLIA_ROUNDSM(io[0],io[1],
  1161. CAMELLIA_SUBKEY_L(2),CAMELLIA_SUBKEY_R(2),
  1162. io[2],io[3],il,ir,t0,t1);
  1163. CAMELLIA_ROUNDSM(io[2],io[3],
  1164. CAMELLIA_SUBKEY_L(3),CAMELLIA_SUBKEY_R(3),
  1165. io[0],io[1],il,ir,t0,t1);
  1166. CAMELLIA_ROUNDSM(io[0],io[1],
  1167. CAMELLIA_SUBKEY_L(4),CAMELLIA_SUBKEY_R(4),
  1168. io[2],io[3],il,ir,t0,t1);
  1169. CAMELLIA_ROUNDSM(io[2],io[3],
  1170. CAMELLIA_SUBKEY_L(5),CAMELLIA_SUBKEY_R(5),
  1171. io[0],io[1],il,ir,t0,t1);
  1172. CAMELLIA_ROUNDSM(io[0],io[1],
  1173. CAMELLIA_SUBKEY_L(6),CAMELLIA_SUBKEY_R(6),
  1174. io[2],io[3],il,ir,t0,t1);
  1175. CAMELLIA_ROUNDSM(io[2],io[3],
  1176. CAMELLIA_SUBKEY_L(7),CAMELLIA_SUBKEY_R(7),
  1177. io[0],io[1],il,ir,t0,t1);
  1178. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1179. CAMELLIA_SUBKEY_L(8),CAMELLIA_SUBKEY_R(8),
  1180. CAMELLIA_SUBKEY_L(9),CAMELLIA_SUBKEY_R(9),
  1181. t0,t1,il,ir);
  1182. CAMELLIA_ROUNDSM(io[0],io[1],
  1183. CAMELLIA_SUBKEY_L(10),CAMELLIA_SUBKEY_R(10),
  1184. io[2],io[3],il,ir,t0,t1);
  1185. CAMELLIA_ROUNDSM(io[2],io[3],
  1186. CAMELLIA_SUBKEY_L(11),CAMELLIA_SUBKEY_R(11),
  1187. io[0],io[1],il,ir,t0,t1);
  1188. CAMELLIA_ROUNDSM(io[0],io[1],
  1189. CAMELLIA_SUBKEY_L(12),CAMELLIA_SUBKEY_R(12),
  1190. io[2],io[3],il,ir,t0,t1);
  1191. CAMELLIA_ROUNDSM(io[2],io[3],
  1192. CAMELLIA_SUBKEY_L(13),CAMELLIA_SUBKEY_R(13),
  1193. io[0],io[1],il,ir,t0,t1);
  1194. CAMELLIA_ROUNDSM(io[0],io[1],
  1195. CAMELLIA_SUBKEY_L(14),CAMELLIA_SUBKEY_R(14),
  1196. io[2],io[3],il,ir,t0,t1);
  1197. CAMELLIA_ROUNDSM(io[2],io[3],
  1198. CAMELLIA_SUBKEY_L(15),CAMELLIA_SUBKEY_R(15),
  1199. io[0],io[1],il,ir,t0,t1);
  1200. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1201. CAMELLIA_SUBKEY_L(16),CAMELLIA_SUBKEY_R(16),
  1202. CAMELLIA_SUBKEY_L(17),CAMELLIA_SUBKEY_R(17),
  1203. t0,t1,il,ir);
  1204. CAMELLIA_ROUNDSM(io[0],io[1],
  1205. CAMELLIA_SUBKEY_L(18),CAMELLIA_SUBKEY_R(18),
  1206. io[2],io[3],il,ir,t0,t1);
  1207. CAMELLIA_ROUNDSM(io[2],io[3],
  1208. CAMELLIA_SUBKEY_L(19),CAMELLIA_SUBKEY_R(19),
  1209. io[0],io[1],il,ir,t0,t1);
  1210. CAMELLIA_ROUNDSM(io[0],io[1],
  1211. CAMELLIA_SUBKEY_L(20),CAMELLIA_SUBKEY_R(20),
  1212. io[2],io[3],il,ir,t0,t1);
  1213. CAMELLIA_ROUNDSM(io[2],io[3],
  1214. CAMELLIA_SUBKEY_L(21),CAMELLIA_SUBKEY_R(21),
  1215. io[0],io[1],il,ir,t0,t1);
  1216. CAMELLIA_ROUNDSM(io[0],io[1],
  1217. CAMELLIA_SUBKEY_L(22),CAMELLIA_SUBKEY_R(22),
  1218. io[2],io[3],il,ir,t0,t1);
  1219. CAMELLIA_ROUNDSM(io[2],io[3],
  1220. CAMELLIA_SUBKEY_L(23),CAMELLIA_SUBKEY_R(23),
  1221. io[0],io[1],il,ir,t0,t1);
  1222. /* post whitening but kw4 */
  1223. io[2] ^= CAMELLIA_SUBKEY_L(24);
  1224. io[3] ^= CAMELLIA_SUBKEY_R(24);
  1225. t0 = io[0];
  1226. t1 = io[1];
  1227. io[0] = io[2];
  1228. io[1] = io[3];
  1229. io[2] = t0;
  1230. io[3] = t1;
  1231. io_text[0] = cpu_to_be32(io[0]);
  1232. io_text[1] = cpu_to_be32(io[1]);
  1233. io_text[2] = cpu_to_be32(io[2]);
  1234. io_text[3] = cpu_to_be32(io[3]);
  1235. return;
  1236. }
  1237. static void camellia_decrypt128(const u32 *subkey, __be32 *io_text)
  1238. {
  1239. u32 il,ir,t0,t1; /* temporary valiables */
  1240. u32 io[4];
  1241. io[0] = be32_to_cpu(io_text[0]);
  1242. io[1] = be32_to_cpu(io_text[1]);
  1243. io[2] = be32_to_cpu(io_text[2]);
  1244. io[3] = be32_to_cpu(io_text[3]);
  1245. /* pre whitening but absorb kw2*/
  1246. io[0] ^= CAMELLIA_SUBKEY_L(24);
  1247. io[1] ^= CAMELLIA_SUBKEY_R(24);
  1248. /* main iteration */
  1249. CAMELLIA_ROUNDSM(io[0],io[1],
  1250. CAMELLIA_SUBKEY_L(23),CAMELLIA_SUBKEY_R(23),
  1251. io[2],io[3],il,ir,t0,t1);
  1252. CAMELLIA_ROUNDSM(io[2],io[3],
  1253. CAMELLIA_SUBKEY_L(22),CAMELLIA_SUBKEY_R(22),
  1254. io[0],io[1],il,ir,t0,t1);
  1255. CAMELLIA_ROUNDSM(io[0],io[1],
  1256. CAMELLIA_SUBKEY_L(21),CAMELLIA_SUBKEY_R(21),
  1257. io[2],io[3],il,ir,t0,t1);
  1258. CAMELLIA_ROUNDSM(io[2],io[3],
  1259. CAMELLIA_SUBKEY_L(20),CAMELLIA_SUBKEY_R(20),
  1260. io[0],io[1],il,ir,t0,t1);
  1261. CAMELLIA_ROUNDSM(io[0],io[1],
  1262. CAMELLIA_SUBKEY_L(19),CAMELLIA_SUBKEY_R(19),
  1263. io[2],io[3],il,ir,t0,t1);
  1264. CAMELLIA_ROUNDSM(io[2],io[3],
  1265. CAMELLIA_SUBKEY_L(18),CAMELLIA_SUBKEY_R(18),
  1266. io[0],io[1],il,ir,t0,t1);
  1267. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1268. CAMELLIA_SUBKEY_L(17),CAMELLIA_SUBKEY_R(17),
  1269. CAMELLIA_SUBKEY_L(16),CAMELLIA_SUBKEY_R(16),
  1270. t0,t1,il,ir);
  1271. CAMELLIA_ROUNDSM(io[0],io[1],
  1272. CAMELLIA_SUBKEY_L(15),CAMELLIA_SUBKEY_R(15),
  1273. io[2],io[3],il,ir,t0,t1);
  1274. CAMELLIA_ROUNDSM(io[2],io[3],
  1275. CAMELLIA_SUBKEY_L(14),CAMELLIA_SUBKEY_R(14),
  1276. io[0],io[1],il,ir,t0,t1);
  1277. CAMELLIA_ROUNDSM(io[0],io[1],
  1278. CAMELLIA_SUBKEY_L(13),CAMELLIA_SUBKEY_R(13),
  1279. io[2],io[3],il,ir,t0,t1);
  1280. CAMELLIA_ROUNDSM(io[2],io[3],
  1281. CAMELLIA_SUBKEY_L(12),CAMELLIA_SUBKEY_R(12),
  1282. io[0],io[1],il,ir,t0,t1);
  1283. CAMELLIA_ROUNDSM(io[0],io[1],
  1284. CAMELLIA_SUBKEY_L(11),CAMELLIA_SUBKEY_R(11),
  1285. io[2],io[3],il,ir,t0,t1);
  1286. CAMELLIA_ROUNDSM(io[2],io[3],
  1287. CAMELLIA_SUBKEY_L(10),CAMELLIA_SUBKEY_R(10),
  1288. io[0],io[1],il,ir,t0,t1);
  1289. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1290. CAMELLIA_SUBKEY_L(9),CAMELLIA_SUBKEY_R(9),
  1291. CAMELLIA_SUBKEY_L(8),CAMELLIA_SUBKEY_R(8),
  1292. t0,t1,il,ir);
  1293. CAMELLIA_ROUNDSM(io[0],io[1],
  1294. CAMELLIA_SUBKEY_L(7),CAMELLIA_SUBKEY_R(7),
  1295. io[2],io[3],il,ir,t0,t1);
  1296. CAMELLIA_ROUNDSM(io[2],io[3],
  1297. CAMELLIA_SUBKEY_L(6),CAMELLIA_SUBKEY_R(6),
  1298. io[0],io[1],il,ir,t0,t1);
  1299. CAMELLIA_ROUNDSM(io[0],io[1],
  1300. CAMELLIA_SUBKEY_L(5),CAMELLIA_SUBKEY_R(5),
  1301. io[2],io[3],il,ir,t0,t1);
  1302. CAMELLIA_ROUNDSM(io[2],io[3],
  1303. CAMELLIA_SUBKEY_L(4),CAMELLIA_SUBKEY_R(4),
  1304. io[0],io[1],il,ir,t0,t1);
  1305. CAMELLIA_ROUNDSM(io[0],io[1],
  1306. CAMELLIA_SUBKEY_L(3),CAMELLIA_SUBKEY_R(3),
  1307. io[2],io[3],il,ir,t0,t1);
  1308. CAMELLIA_ROUNDSM(io[2],io[3],
  1309. CAMELLIA_SUBKEY_L(2),CAMELLIA_SUBKEY_R(2),
  1310. io[0],io[1],il,ir,t0,t1);
  1311. /* post whitening but kw4 */
  1312. io[2] ^= CAMELLIA_SUBKEY_L(0);
  1313. io[3] ^= CAMELLIA_SUBKEY_R(0);
  1314. t0 = io[0];
  1315. t1 = io[1];
  1316. io[0] = io[2];
  1317. io[1] = io[3];
  1318. io[2] = t0;
  1319. io[3] = t1;
  1320. io_text[0] = cpu_to_be32(io[0]);
  1321. io_text[1] = cpu_to_be32(io[1]);
  1322. io_text[2] = cpu_to_be32(io[2]);
  1323. io_text[3] = cpu_to_be32(io[3]);
  1324. return;
  1325. }
  1326. /**
  1327. * stuff for 192 and 256bit encryption/decryption
  1328. */
  1329. static void camellia_encrypt256(const u32 *subkey, __be32 *io_text)
  1330. {
  1331. u32 il,ir,t0,t1; /* temporary valiables */
  1332. u32 io[4];
  1333. io[0] = be32_to_cpu(io_text[0]);
  1334. io[1] = be32_to_cpu(io_text[1]);
  1335. io[2] = be32_to_cpu(io_text[2]);
  1336. io[3] = be32_to_cpu(io_text[3]);
  1337. /* pre whitening but absorb kw2*/
  1338. io[0] ^= CAMELLIA_SUBKEY_L(0);
  1339. io[1] ^= CAMELLIA_SUBKEY_R(0);
  1340. /* main iteration */
  1341. CAMELLIA_ROUNDSM(io[0],io[1],
  1342. CAMELLIA_SUBKEY_L(2),CAMELLIA_SUBKEY_R(2),
  1343. io[2],io[3],il,ir,t0,t1);
  1344. CAMELLIA_ROUNDSM(io[2],io[3],
  1345. CAMELLIA_SUBKEY_L(3),CAMELLIA_SUBKEY_R(3),
  1346. io[0],io[1],il,ir,t0,t1);
  1347. CAMELLIA_ROUNDSM(io[0],io[1],
  1348. CAMELLIA_SUBKEY_L(4),CAMELLIA_SUBKEY_R(4),
  1349. io[2],io[3],il,ir,t0,t1);
  1350. CAMELLIA_ROUNDSM(io[2],io[3],
  1351. CAMELLIA_SUBKEY_L(5),CAMELLIA_SUBKEY_R(5),
  1352. io[0],io[1],il,ir,t0,t1);
  1353. CAMELLIA_ROUNDSM(io[0],io[1],
  1354. CAMELLIA_SUBKEY_L(6),CAMELLIA_SUBKEY_R(6),
  1355. io[2],io[3],il,ir,t0,t1);
  1356. CAMELLIA_ROUNDSM(io[2],io[3],
  1357. CAMELLIA_SUBKEY_L(7),CAMELLIA_SUBKEY_R(7),
  1358. io[0],io[1],il,ir,t0,t1);
  1359. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1360. CAMELLIA_SUBKEY_L(8),CAMELLIA_SUBKEY_R(8),
  1361. CAMELLIA_SUBKEY_L(9),CAMELLIA_SUBKEY_R(9),
  1362. t0,t1,il,ir);
  1363. CAMELLIA_ROUNDSM(io[0],io[1],
  1364. CAMELLIA_SUBKEY_L(10),CAMELLIA_SUBKEY_R(10),
  1365. io[2],io[3],il,ir,t0,t1);
  1366. CAMELLIA_ROUNDSM(io[2],io[3],
  1367. CAMELLIA_SUBKEY_L(11),CAMELLIA_SUBKEY_R(11),
  1368. io[0],io[1],il,ir,t0,t1);
  1369. CAMELLIA_ROUNDSM(io[0],io[1],
  1370. CAMELLIA_SUBKEY_L(12),CAMELLIA_SUBKEY_R(12),
  1371. io[2],io[3],il,ir,t0,t1);
  1372. CAMELLIA_ROUNDSM(io[2],io[3],
  1373. CAMELLIA_SUBKEY_L(13),CAMELLIA_SUBKEY_R(13),
  1374. io[0],io[1],il,ir,t0,t1);
  1375. CAMELLIA_ROUNDSM(io[0],io[1],
  1376. CAMELLIA_SUBKEY_L(14),CAMELLIA_SUBKEY_R(14),
  1377. io[2],io[3],il,ir,t0,t1);
  1378. CAMELLIA_ROUNDSM(io[2],io[3],
  1379. CAMELLIA_SUBKEY_L(15),CAMELLIA_SUBKEY_R(15),
  1380. io[0],io[1],il,ir,t0,t1);
  1381. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1382. CAMELLIA_SUBKEY_L(16),CAMELLIA_SUBKEY_R(16),
  1383. CAMELLIA_SUBKEY_L(17),CAMELLIA_SUBKEY_R(17),
  1384. t0,t1,il,ir);
  1385. CAMELLIA_ROUNDSM(io[0],io[1],
  1386. CAMELLIA_SUBKEY_L(18),CAMELLIA_SUBKEY_R(18),
  1387. io[2],io[3],il,ir,t0,t1);
  1388. CAMELLIA_ROUNDSM(io[2],io[3],
  1389. CAMELLIA_SUBKEY_L(19),CAMELLIA_SUBKEY_R(19),
  1390. io[0],io[1],il,ir,t0,t1);
  1391. CAMELLIA_ROUNDSM(io[0],io[1],
  1392. CAMELLIA_SUBKEY_L(20),CAMELLIA_SUBKEY_R(20),
  1393. io[2],io[3],il,ir,t0,t1);
  1394. CAMELLIA_ROUNDSM(io[2],io[3],
  1395. CAMELLIA_SUBKEY_L(21),CAMELLIA_SUBKEY_R(21),
  1396. io[0],io[1],il,ir,t0,t1);
  1397. CAMELLIA_ROUNDSM(io[0],io[1],
  1398. CAMELLIA_SUBKEY_L(22),CAMELLIA_SUBKEY_R(22),
  1399. io[2],io[3],il,ir,t0,t1);
  1400. CAMELLIA_ROUNDSM(io[2],io[3],
  1401. CAMELLIA_SUBKEY_L(23),CAMELLIA_SUBKEY_R(23),
  1402. io[0],io[1],il,ir,t0,t1);
  1403. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1404. CAMELLIA_SUBKEY_L(24),CAMELLIA_SUBKEY_R(24),
  1405. CAMELLIA_SUBKEY_L(25),CAMELLIA_SUBKEY_R(25),
  1406. t0,t1,il,ir);
  1407. CAMELLIA_ROUNDSM(io[0],io[1],
  1408. CAMELLIA_SUBKEY_L(26),CAMELLIA_SUBKEY_R(26),
  1409. io[2],io[3],il,ir,t0,t1);
  1410. CAMELLIA_ROUNDSM(io[2],io[3],
  1411. CAMELLIA_SUBKEY_L(27),CAMELLIA_SUBKEY_R(27),
  1412. io[0],io[1],il,ir,t0,t1);
  1413. CAMELLIA_ROUNDSM(io[0],io[1],
  1414. CAMELLIA_SUBKEY_L(28),CAMELLIA_SUBKEY_R(28),
  1415. io[2],io[3],il,ir,t0,t1);
  1416. CAMELLIA_ROUNDSM(io[2],io[3],
  1417. CAMELLIA_SUBKEY_L(29),CAMELLIA_SUBKEY_R(29),
  1418. io[0],io[1],il,ir,t0,t1);
  1419. CAMELLIA_ROUNDSM(io[0],io[1],
  1420. CAMELLIA_SUBKEY_L(30),CAMELLIA_SUBKEY_R(30),
  1421. io[2],io[3],il,ir,t0,t1);
  1422. CAMELLIA_ROUNDSM(io[2],io[3],
  1423. CAMELLIA_SUBKEY_L(31),CAMELLIA_SUBKEY_R(31),
  1424. io[0],io[1],il,ir,t0,t1);
  1425. /* post whitening but kw4 */
  1426. io[2] ^= CAMELLIA_SUBKEY_L(32);
  1427. io[3] ^= CAMELLIA_SUBKEY_R(32);
  1428. t0 = io[0];
  1429. t1 = io[1];
  1430. io[0] = io[2];
  1431. io[1] = io[3];
  1432. io[2] = t0;
  1433. io[3] = t1;
  1434. io_text[0] = cpu_to_be32(io[0]);
  1435. io_text[1] = cpu_to_be32(io[1]);
  1436. io_text[2] = cpu_to_be32(io[2]);
  1437. io_text[3] = cpu_to_be32(io[3]);
  1438. return;
  1439. }
  1440. static void camellia_decrypt256(const u32 *subkey, __be32 *io_text)
  1441. {
  1442. u32 il,ir,t0,t1; /* temporary valiables */
  1443. u32 io[4];
  1444. io[0] = be32_to_cpu(io_text[0]);
  1445. io[1] = be32_to_cpu(io_text[1]);
  1446. io[2] = be32_to_cpu(io_text[2]);
  1447. io[3] = be32_to_cpu(io_text[3]);
  1448. /* pre whitening but absorb kw2*/
  1449. io[0] ^= CAMELLIA_SUBKEY_L(32);
  1450. io[1] ^= CAMELLIA_SUBKEY_R(32);
  1451. /* main iteration */
  1452. CAMELLIA_ROUNDSM(io[0],io[1],
  1453. CAMELLIA_SUBKEY_L(31),CAMELLIA_SUBKEY_R(31),
  1454. io[2],io[3],il,ir,t0,t1);
  1455. CAMELLIA_ROUNDSM(io[2],io[3],
  1456. CAMELLIA_SUBKEY_L(30),CAMELLIA_SUBKEY_R(30),
  1457. io[0],io[1],il,ir,t0,t1);
  1458. CAMELLIA_ROUNDSM(io[0],io[1],
  1459. CAMELLIA_SUBKEY_L(29),CAMELLIA_SUBKEY_R(29),
  1460. io[2],io[3],il,ir,t0,t1);
  1461. CAMELLIA_ROUNDSM(io[2],io[3],
  1462. CAMELLIA_SUBKEY_L(28),CAMELLIA_SUBKEY_R(28),
  1463. io[0],io[1],il,ir,t0,t1);
  1464. CAMELLIA_ROUNDSM(io[0],io[1],
  1465. CAMELLIA_SUBKEY_L(27),CAMELLIA_SUBKEY_R(27),
  1466. io[2],io[3],il,ir,t0,t1);
  1467. CAMELLIA_ROUNDSM(io[2],io[3],
  1468. CAMELLIA_SUBKEY_L(26),CAMELLIA_SUBKEY_R(26),
  1469. io[0],io[1],il,ir,t0,t1);
  1470. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1471. CAMELLIA_SUBKEY_L(25),CAMELLIA_SUBKEY_R(25),
  1472. CAMELLIA_SUBKEY_L(24),CAMELLIA_SUBKEY_R(24),
  1473. t0,t1,il,ir);
  1474. CAMELLIA_ROUNDSM(io[0],io[1],
  1475. CAMELLIA_SUBKEY_L(23),CAMELLIA_SUBKEY_R(23),
  1476. io[2],io[3],il,ir,t0,t1);
  1477. CAMELLIA_ROUNDSM(io[2],io[3],
  1478. CAMELLIA_SUBKEY_L(22),CAMELLIA_SUBKEY_R(22),
  1479. io[0],io[1],il,ir,t0,t1);
  1480. CAMELLIA_ROUNDSM(io[0],io[1],
  1481. CAMELLIA_SUBKEY_L(21),CAMELLIA_SUBKEY_R(21),
  1482. io[2],io[3],il,ir,t0,t1);
  1483. CAMELLIA_ROUNDSM(io[2],io[3],
  1484. CAMELLIA_SUBKEY_L(20),CAMELLIA_SUBKEY_R(20),
  1485. io[0],io[1],il,ir,t0,t1);
  1486. CAMELLIA_ROUNDSM(io[0],io[1],
  1487. CAMELLIA_SUBKEY_L(19),CAMELLIA_SUBKEY_R(19),
  1488. io[2],io[3],il,ir,t0,t1);
  1489. CAMELLIA_ROUNDSM(io[2],io[3],
  1490. CAMELLIA_SUBKEY_L(18),CAMELLIA_SUBKEY_R(18),
  1491. io[0],io[1],il,ir,t0,t1);
  1492. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1493. CAMELLIA_SUBKEY_L(17),CAMELLIA_SUBKEY_R(17),
  1494. CAMELLIA_SUBKEY_L(16),CAMELLIA_SUBKEY_R(16),
  1495. t0,t1,il,ir);
  1496. CAMELLIA_ROUNDSM(io[0],io[1],
  1497. CAMELLIA_SUBKEY_L(15),CAMELLIA_SUBKEY_R(15),
  1498. io[2],io[3],il,ir,t0,t1);
  1499. CAMELLIA_ROUNDSM(io[2],io[3],
  1500. CAMELLIA_SUBKEY_L(14),CAMELLIA_SUBKEY_R(14),
  1501. io[0],io[1],il,ir,t0,t1);
  1502. CAMELLIA_ROUNDSM(io[0],io[1],
  1503. CAMELLIA_SUBKEY_L(13),CAMELLIA_SUBKEY_R(13),
  1504. io[2],io[3],il,ir,t0,t1);
  1505. CAMELLIA_ROUNDSM(io[2],io[3],
  1506. CAMELLIA_SUBKEY_L(12),CAMELLIA_SUBKEY_R(12),
  1507. io[0],io[1],il,ir,t0,t1);
  1508. CAMELLIA_ROUNDSM(io[0],io[1],
  1509. CAMELLIA_SUBKEY_L(11),CAMELLIA_SUBKEY_R(11),
  1510. io[2],io[3],il,ir,t0,t1);
  1511. CAMELLIA_ROUNDSM(io[2],io[3],
  1512. CAMELLIA_SUBKEY_L(10),CAMELLIA_SUBKEY_R(10),
  1513. io[0],io[1],il,ir,t0,t1);
  1514. CAMELLIA_FLS(io[0],io[1],io[2],io[3],
  1515. CAMELLIA_SUBKEY_L(9),CAMELLIA_SUBKEY_R(9),
  1516. CAMELLIA_SUBKEY_L(8),CAMELLIA_SUBKEY_R(8),
  1517. t0,t1,il,ir);
  1518. CAMELLIA_ROUNDSM(io[0],io[1],
  1519. CAMELLIA_SUBKEY_L(7),CAMELLIA_SUBKEY_R(7),
  1520. io[2],io[3],il,ir,t0,t1);
  1521. CAMELLIA_ROUNDSM(io[2],io[3],
  1522. CAMELLIA_SUBKEY_L(6),CAMELLIA_SUBKEY_R(6),
  1523. io[0],io[1],il,ir,t0,t1);
  1524. CAMELLIA_ROUNDSM(io[0],io[1],
  1525. CAMELLIA_SUBKEY_L(5),CAMELLIA_SUBKEY_R(5),
  1526. io[2],io[3],il,ir,t0,t1);
  1527. CAMELLIA_ROUNDSM(io[2],io[3],
  1528. CAMELLIA_SUBKEY_L(4),CAMELLIA_SUBKEY_R(4),
  1529. io[0],io[1],il,ir,t0,t1);
  1530. CAMELLIA_ROUNDSM(io[0],io[1],
  1531. CAMELLIA_SUBKEY_L(3),CAMELLIA_SUBKEY_R(3),
  1532. io[2],io[3],il,ir,t0,t1);
  1533. CAMELLIA_ROUNDSM(io[2],io[3],
  1534. CAMELLIA_SUBKEY_L(2),CAMELLIA_SUBKEY_R(2),
  1535. io[0],io[1],il,ir,t0,t1);
  1536. /* post whitening but kw4 */
  1537. io[2] ^= CAMELLIA_SUBKEY_L(0);
  1538. io[3] ^= CAMELLIA_SUBKEY_R(0);
  1539. t0 = io[0];
  1540. t1 = io[1];
  1541. io[0] = io[2];
  1542. io[1] = io[3];
  1543. io[2] = t0;
  1544. io[3] = t1;
  1545. io_text[0] = cpu_to_be32(io[0]);
  1546. io_text[1] = cpu_to_be32(io[1]);
  1547. io_text[2] = cpu_to_be32(io[2]);
  1548. io_text[3] = cpu_to_be32(io[3]);
  1549. return;
  1550. }
  1551. static int
  1552. camellia_set_key(struct crypto_tfm *tfm, const u8 *in_key,
  1553. unsigned int key_len)
  1554. {
  1555. struct camellia_ctx *cctx = crypto_tfm_ctx(tfm);
  1556. const unsigned char *key = (const unsigned char *)in_key;
  1557. u32 *flags = &tfm->crt_flags;
  1558. if (key_len != 16 && key_len != 24 && key_len != 32) {
  1559. *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
  1560. return -EINVAL;
  1561. }
  1562. cctx->key_length = key_len;
  1563. switch(key_len) {
  1564. case 16:
  1565. camellia_setup128(key, cctx->key_table);
  1566. break;
  1567. case 24:
  1568. camellia_setup192(key, cctx->key_table);
  1569. break;
  1570. case 32:
  1571. camellia_setup256(key, cctx->key_table);
  1572. break;
  1573. default:
  1574. break;
  1575. }
  1576. return 0;
  1577. }
  1578. static void camellia_encrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
  1579. {
  1580. const struct camellia_ctx *cctx = crypto_tfm_ctx(tfm);
  1581. const __be32 *src = (const __be32 *)in;
  1582. __be32 *dst = (__be32 *)out;
  1583. __be32 tmp[4];
  1584. memcpy(tmp, src, CAMELLIA_BLOCK_SIZE);
  1585. switch (cctx->key_length) {
  1586. case 16:
  1587. camellia_encrypt128(cctx->key_table, tmp);
  1588. break;
  1589. case 24:
  1590. /* fall through */
  1591. case 32:
  1592. camellia_encrypt256(cctx->key_table, tmp);
  1593. break;
  1594. default:
  1595. break;
  1596. }
  1597. memcpy(dst, tmp, CAMELLIA_BLOCK_SIZE);
  1598. }
  1599. static void camellia_decrypt(struct crypto_tfm *tfm, u8 *out, const u8 *in)
  1600. {
  1601. const struct camellia_ctx *cctx = crypto_tfm_ctx(tfm);
  1602. const __be32 *src = (const __be32 *)in;
  1603. __be32 *dst = (__be32 *)out;
  1604. __be32 tmp[4];
  1605. memcpy(tmp, src, CAMELLIA_BLOCK_SIZE);
  1606. switch (cctx->key_length) {
  1607. case 16:
  1608. camellia_decrypt128(cctx->key_table, tmp);
  1609. break;
  1610. case 24:
  1611. /* fall through */
  1612. case 32:
  1613. camellia_decrypt256(cctx->key_table, tmp);
  1614. break;
  1615. default:
  1616. break;
  1617. }
  1618. memcpy(dst, tmp, CAMELLIA_BLOCK_SIZE);
  1619. }
  1620. static struct crypto_alg camellia_alg = {
  1621. .cra_name = "camellia",
  1622. .cra_driver_name = "camellia-generic",
  1623. .cra_priority = 100,
  1624. .cra_flags = CRYPTO_ALG_TYPE_CIPHER,
  1625. .cra_blocksize = CAMELLIA_BLOCK_SIZE,
  1626. .cra_ctxsize = sizeof(struct camellia_ctx),
  1627. .cra_alignmask = 3,
  1628. .cra_module = THIS_MODULE,
  1629. .cra_list = LIST_HEAD_INIT(camellia_alg.cra_list),
  1630. .cra_u = {
  1631. .cipher = {
  1632. .cia_min_keysize = CAMELLIA_MIN_KEY_SIZE,
  1633. .cia_max_keysize = CAMELLIA_MAX_KEY_SIZE,
  1634. .cia_setkey = camellia_set_key,
  1635. .cia_encrypt = camellia_encrypt,
  1636. .cia_decrypt = camellia_decrypt
  1637. }
  1638. }
  1639. };
  1640. static int __init camellia_init(void)
  1641. {
  1642. return crypto_register_alg(&camellia_alg);
  1643. }
  1644. static void __exit camellia_fini(void)
  1645. {
  1646. crypto_unregister_alg(&camellia_alg);
  1647. }
  1648. module_init(camellia_init);
  1649. module_exit(camellia_fini);
  1650. MODULE_DESCRIPTION("Camellia Cipher Algorithm");
  1651. MODULE_LICENSE("GPL");