| /* This Source Code Form is subject to the terms of the Mozilla Public |
| * License, v. 2.0. If a copy of the MPL was not distributed with this |
| * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| |
| #ifdef FREEBL_NO_DEPEND |
| #include "stubs.h" |
| #endif |
| |
| #include "prinit.h" |
| #include "prerr.h" |
| #include "secerr.h" |
| |
| #include "prtypes.h" |
| #include "blapi.h" |
| #include "camellia.h" |
| #include "sha_fast.h" /* for SHA_HTONL and related configuration macros */ |
| |
| /* key constants */ |
| |
| #define CAMELLIA_SIGMA1L (0xA09E667FL) |
| #define CAMELLIA_SIGMA1R (0x3BCC908BL) |
| #define CAMELLIA_SIGMA2L (0xB67AE858L) |
| #define CAMELLIA_SIGMA2R (0x4CAA73B2L) |
| #define CAMELLIA_SIGMA3L (0xC6EF372FL) |
| #define CAMELLIA_SIGMA3R (0xE94F82BEL) |
| #define CAMELLIA_SIGMA4L (0x54FF53A5L) |
| #define CAMELLIA_SIGMA4R (0xF1D36F1CL) |
| #define CAMELLIA_SIGMA5L (0x10E527FAL) |
| #define CAMELLIA_SIGMA5R (0xDE682D1DL) |
| #define CAMELLIA_SIGMA6L (0xB05688C2L) |
| #define CAMELLIA_SIGMA6R (0xB3E6C1FDL) |
| |
| /* |
| * macros |
| */ |
| |
| #if defined(HAVE_UNALIGNED_ACCESS) |
| |
| /* require a CPU that allows unaligned access */ |
| |
| #if defined(SHA_NEED_TMP_VARIABLE) |
| #define CAMELLIA_NEED_TMP_VARIABLE 1 |
| #endif |
| |
| #define GETU32(p) SHA_HTONL(*((PRUint32 *)(p))) |
| #define PUTU32(ct, st) \ |
| { \ |
| *((PRUint32 *)(ct)) = SHA_HTONL(st); \ |
| } |
| |
| #else /* no unaligned access */ |
| |
| #define GETU32(pt) \ |
| (((PRUint32)(pt)[0] << 24) ^ ((PRUint32)(pt)[1] << 16) ^ ((PRUint32)(pt)[2] << 8) ^ ((PRUint32)(pt)[3])) |
| |
| #define PUTU32(ct, st) \ |
| { \ |
| (ct)[0] = (PRUint8)((st) >> 24); \ |
| (ct)[1] = (PRUint8)((st) >> 16); \ |
| (ct)[2] = (PRUint8)((st) >> 8); \ |
| (ct)[3] = (PRUint8)(st); \ |
| } |
| |
| #endif |
| |
| #define CamelliaSubkeyL(INDEX) (subkey[(INDEX)*2]) |
| #define CamelliaSubkeyR(INDEX) (subkey[(INDEX)*2 + 1]) |
| |
| /* rotation right shift 1byte */ |
| #define CAMELLIA_RR8(x) (((x) >> 8) + ((x) << 24)) |
| /* rotation left shift 1bit */ |
| #define CAMELLIA_RL1(x) (((x) << 1) + ((x) >> 31)) |
| /* rotation left shift 1byte */ |
| #define CAMELLIA_RL8(x) (((x) << 8) + ((x) >> 24)) |
| |
| #define CAMELLIA_ROLDQ(ll, lr, rl, rr, w0, w1, bits) \ |
| do { \ |
| w0 = ll; \ |
| ll = (ll << bits) + (lr >> (32 - bits)); \ |
| lr = (lr << bits) + (rl >> (32 - bits)); \ |
| rl = (rl << bits) + (rr >> (32 - bits)); \ |
| rr = (rr << bits) + (w0 >> (32 - bits)); \ |
| } while (0) |
| |
| #define CAMELLIA_ROLDQo32(ll, lr, rl, rr, w0, w1, bits) \ |
| do { \ |
| w0 = ll; \ |
| w1 = lr; \ |
| ll = (lr << (bits - 32)) + (rl >> (64 - bits)); \ |
| lr = (rl << (bits - 32)) + (rr >> (64 - bits)); \ |
| rl = (rr << (bits - 32)) + (w0 >> (64 - bits)); \ |
| rr = (w0 << (bits - 32)) + (w1 >> (64 - bits)); \ |
| } while (0) |
| |
| #define CAMELLIA_SP1110(INDEX) (camellia_sp1110[(INDEX)]) |
| #define CAMELLIA_SP0222(INDEX) (camellia_sp0222[(INDEX)]) |
| #define CAMELLIA_SP3033(INDEX) (camellia_sp3033[(INDEX)]) |
| #define CAMELLIA_SP4404(INDEX) (camellia_sp4404[(INDEX)]) |
| |
| #define CAMELLIA_F(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \ |
| do { \ |
| il = xl ^ kl; \ |
| ir = xr ^ kr; \ |
| t0 = il >> 16; \ |
| t1 = ir >> 16; \ |
| yl = CAMELLIA_SP1110(ir & 0xff) ^ \ |
| CAMELLIA_SP0222((t1 >> 8) & 0xff) ^ \ |
| CAMELLIA_SP3033(t1 & 0xff) ^ \ |
| CAMELLIA_SP4404((ir >> 8) & 0xff); \ |
| yr = CAMELLIA_SP1110((t0 >> 8) & 0xff) ^ \ |
| CAMELLIA_SP0222(t0 & 0xff) ^ \ |
| CAMELLIA_SP3033((il >> 8) & 0xff) ^ \ |
| CAMELLIA_SP4404(il & 0xff); \ |
| yl ^= yr; \ |
| yr = CAMELLIA_RR8(yr); \ |
| yr ^= yl; \ |
| } while (0) |
| |
| /* |
| * for speed up |
| * |
| */ |
| #define CAMELLIA_FLS(ll, lr, rl, rr, kll, klr, krl, krr, t0, t1, t2, t3) \ |
| do { \ |
| t0 = kll; \ |
| t0 &= ll; \ |
| lr ^= CAMELLIA_RL1(t0); \ |
| t1 = klr; \ |
| t1 |= lr; \ |
| ll ^= t1; \ |
| \ |
| t2 = krr; \ |
| t2 |= rr; \ |
| rl ^= t2; \ |
| t3 = krl; \ |
| t3 &= rl; \ |
| rr ^= CAMELLIA_RL1(t3); \ |
| } while (0) |
| |
| #define CAMELLIA_ROUNDSM(xl, xr, kl, kr, yl, yr, il, ir, t0, t1) \ |
| do { \ |
| ir = CAMELLIA_SP1110(xr & 0xff) ^ \ |
| CAMELLIA_SP0222((xr >> 24) & 0xff) ^ \ |
| CAMELLIA_SP3033((xr >> 16) & 0xff) ^ \ |
| CAMELLIA_SP4404((xr >> 8) & 0xff); \ |
| il = CAMELLIA_SP1110((xl >> 24) & 0xff) ^ \ |
| CAMELLIA_SP0222((xl >> 16) & 0xff) ^ \ |
| CAMELLIA_SP3033((xl >> 8) & 0xff) ^ \ |
| CAMELLIA_SP4404(xl & 0xff); \ |
| il ^= kl; \ |
| ir ^= kr; \ |
| ir ^= il; \ |
| il = CAMELLIA_RR8(il); \ |
| il ^= ir; \ |
| yl ^= ir; \ |
| yr ^= il; \ |
| } while (0) |
| |
| static const PRUint32 camellia_sp1110[256] = { |
| 0x70707000, 0x82828200, 0x2c2c2c00, 0xececec00, |
| 0xb3b3b300, 0x27272700, 0xc0c0c000, 0xe5e5e500, |
| 0xe4e4e400, 0x85858500, 0x57575700, 0x35353500, |
| 0xeaeaea00, 0x0c0c0c00, 0xaeaeae00, 0x41414100, |
| 0x23232300, 0xefefef00, 0x6b6b6b00, 0x93939300, |
| 0x45454500, 0x19191900, 0xa5a5a500, 0x21212100, |
| 0xededed00, 0x0e0e0e00, 0x4f4f4f00, 0x4e4e4e00, |
| 0x1d1d1d00, 0x65656500, 0x92929200, 0xbdbdbd00, |
| 0x86868600, 0xb8b8b800, 0xafafaf00, 0x8f8f8f00, |
| 0x7c7c7c00, 0xebebeb00, 0x1f1f1f00, 0xcecece00, |
| 0x3e3e3e00, 0x30303000, 0xdcdcdc00, 0x5f5f5f00, |
| 0x5e5e5e00, 0xc5c5c500, 0x0b0b0b00, 0x1a1a1a00, |
| 0xa6a6a600, 0xe1e1e100, 0x39393900, 0xcacaca00, |
| 0xd5d5d500, 0x47474700, 0x5d5d5d00, 0x3d3d3d00, |
| 0xd9d9d900, 0x01010100, 0x5a5a5a00, 0xd6d6d600, |
| 0x51515100, 0x56565600, 0x6c6c6c00, 0x4d4d4d00, |
| 0x8b8b8b00, 0x0d0d0d00, 0x9a9a9a00, 0x66666600, |
| 0xfbfbfb00, 0xcccccc00, 0xb0b0b000, 0x2d2d2d00, |
| 0x74747400, 0x12121200, 0x2b2b2b00, 0x20202000, |
| 0xf0f0f000, 0xb1b1b100, 0x84848400, 0x99999900, |
| 0xdfdfdf00, 0x4c4c4c00, 0xcbcbcb00, 0xc2c2c200, |
| 0x34343400, 0x7e7e7e00, 0x76767600, 0x05050500, |
| 0x6d6d6d00, 0xb7b7b700, 0xa9a9a900, 0x31313100, |
| 0xd1d1d100, 0x17171700, 0x04040400, 0xd7d7d700, |
| 0x14141400, 0x58585800, 0x3a3a3a00, 0x61616100, |
| 0xdedede00, 0x1b1b1b00, 0x11111100, 0x1c1c1c00, |
| 0x32323200, 0x0f0f0f00, 0x9c9c9c00, 0x16161600, |
| 0x53535300, 0x18181800, 0xf2f2f200, 0x22222200, |
| 0xfefefe00, 0x44444400, 0xcfcfcf00, 0xb2b2b200, |
| 0xc3c3c300, 0xb5b5b500, 0x7a7a7a00, 0x91919100, |
| 0x24242400, 0x08080800, 0xe8e8e800, 0xa8a8a800, |
| 0x60606000, 0xfcfcfc00, 0x69696900, 0x50505000, |
| 0xaaaaaa00, 0xd0d0d000, 0xa0a0a000, 0x7d7d7d00, |
| 0xa1a1a100, 0x89898900, 0x62626200, 0x97979700, |
| 0x54545400, 0x5b5b5b00, 0x1e1e1e00, 0x95959500, |
| 0xe0e0e000, 0xffffff00, 0x64646400, 0xd2d2d200, |
| 0x10101000, 0xc4c4c400, 0x00000000, 0x48484800, |
| 0xa3a3a300, 0xf7f7f700, 0x75757500, 0xdbdbdb00, |
| 0x8a8a8a00, 0x03030300, 0xe6e6e600, 0xdadada00, |
| 0x09090900, 0x3f3f3f00, 0xdddddd00, 0x94949400, |
| 0x87878700, 0x5c5c5c00, 0x83838300, 0x02020200, |
| 0xcdcdcd00, 0x4a4a4a00, 0x90909000, 0x33333300, |
| 0x73737300, 0x67676700, 0xf6f6f600, 0xf3f3f300, |
| 0x9d9d9d00, 0x7f7f7f00, 0xbfbfbf00, 0xe2e2e200, |
| 0x52525200, 0x9b9b9b00, 0xd8d8d800, 0x26262600, |
| 0xc8c8c800, 0x37373700, 0xc6c6c600, 0x3b3b3b00, |
| 0x81818100, 0x96969600, 0x6f6f6f00, 0x4b4b4b00, |
| 0x13131300, 0xbebebe00, 0x63636300, 0x2e2e2e00, |
| 0xe9e9e900, 0x79797900, 0xa7a7a700, 0x8c8c8c00, |
| 0x9f9f9f00, 0x6e6e6e00, 0xbcbcbc00, 0x8e8e8e00, |
| 0x29292900, 0xf5f5f500, 0xf9f9f900, 0xb6b6b600, |
| 0x2f2f2f00, 0xfdfdfd00, 0xb4b4b400, 0x59595900, |
| 0x78787800, 0x98989800, 0x06060600, 0x6a6a6a00, |
| 0xe7e7e700, 0x46464600, 0x71717100, 0xbababa00, |
| 0xd4d4d400, 0x25252500, 0xababab00, 0x42424200, |
| 0x88888800, 0xa2a2a200, 0x8d8d8d00, 0xfafafa00, |
| 0x72727200, 0x07070700, 0xb9b9b900, 0x55555500, |
| 0xf8f8f800, 0xeeeeee00, 0xacacac00, 0x0a0a0a00, |
| 0x36363600, 0x49494900, 0x2a2a2a00, 0x68686800, |
| 0x3c3c3c00, 0x38383800, 0xf1f1f100, 0xa4a4a400, |
| 0x40404000, 0x28282800, 0xd3d3d300, 0x7b7b7b00, |
| 0xbbbbbb00, 0xc9c9c900, 0x43434300, 0xc1c1c100, |
| 0x15151500, 0xe3e3e300, 0xadadad00, 0xf4f4f400, |
| 0x77777700, 0xc7c7c700, 0x80808000, 0x9e9e9e00, |
| }; |
| |
| static const PRUint32 camellia_sp0222[256] = { |
| 0x00e0e0e0, 0x00050505, 0x00585858, 0x00d9d9d9, |
| 0x00676767, 0x004e4e4e, 0x00818181, 0x00cbcbcb, |
| 0x00c9c9c9, 0x000b0b0b, 0x00aeaeae, 0x006a6a6a, |
| 0x00d5d5d5, 0x00181818, 0x005d5d5d, 0x00828282, |
| 0x00464646, 0x00dfdfdf, 0x00d6d6d6, 0x00272727, |
| 0x008a8a8a, 0x00323232, 0x004b4b4b, 0x00424242, |
| 0x00dbdbdb, 0x001c1c1c, 0x009e9e9e, 0x009c9c9c, |
| 0x003a3a3a, 0x00cacaca, 0x00252525, 0x007b7b7b, |
| 0x000d0d0d, 0x00717171, 0x005f5f5f, 0x001f1f1f, |
| 0x00f8f8f8, 0x00d7d7d7, 0x003e3e3e, 0x009d9d9d, |
| 0x007c7c7c, 0x00606060, 0x00b9b9b9, 0x00bebebe, |
| 0x00bcbcbc, 0x008b8b8b, 0x00161616, 0x00343434, |
| 0x004d4d4d, 0x00c3c3c3, 0x00727272, 0x00959595, |
| 0x00ababab, 0x008e8e8e, 0x00bababa, 0x007a7a7a, |
| 0x00b3b3b3, 0x00020202, 0x00b4b4b4, 0x00adadad, |
| 0x00a2a2a2, 0x00acacac, 0x00d8d8d8, 0x009a9a9a, |
| 0x00171717, 0x001a1a1a, 0x00353535, 0x00cccccc, |
| 0x00f7f7f7, 0x00999999, 0x00616161, 0x005a5a5a, |
| 0x00e8e8e8, 0x00242424, 0x00565656, 0x00404040, |
| 0x00e1e1e1, 0x00636363, 0x00090909, 0x00333333, |
| 0x00bfbfbf, 0x00989898, 0x00979797, 0x00858585, |
| 0x00686868, 0x00fcfcfc, 0x00ececec, 0x000a0a0a, |
| 0x00dadada, 0x006f6f6f, 0x00535353, 0x00626262, |
| 0x00a3a3a3, 0x002e2e2e, 0x00080808, 0x00afafaf, |
| 0x00282828, 0x00b0b0b0, 0x00747474, 0x00c2c2c2, |
| 0x00bdbdbd, 0x00363636, 0x00222222, 0x00383838, |
| 0x00646464, 0x001e1e1e, 0x00393939, 0x002c2c2c, |
| 0x00a6a6a6, 0x00303030, 0x00e5e5e5, 0x00444444, |
| 0x00fdfdfd, 0x00888888, 0x009f9f9f, 0x00656565, |
| 0x00878787, 0x006b6b6b, 0x00f4f4f4, 0x00232323, |
| 0x00484848, 0x00101010, 0x00d1d1d1, 0x00515151, |
| 0x00c0c0c0, 0x00f9f9f9, 0x00d2d2d2, 0x00a0a0a0, |
| 0x00555555, 0x00a1a1a1, 0x00414141, 0x00fafafa, |
| 0x00434343, 0x00131313, 0x00c4c4c4, 0x002f2f2f, |
| 0x00a8a8a8, 0x00b6b6b6, 0x003c3c3c, 0x002b2b2b, |
| 0x00c1c1c1, 0x00ffffff, 0x00c8c8c8, 0x00a5a5a5, |
| 0x00202020, 0x00898989, 0x00000000, 0x00909090, |
| 0x00474747, 0x00efefef, 0x00eaeaea, 0x00b7b7b7, |
| 0x00151515, 0x00060606, 0x00cdcdcd, 0x00b5b5b5, |
| 0x00121212, 0x007e7e7e, 0x00bbbbbb, 0x00292929, |
| 0x000f0f0f, 0x00b8b8b8, 0x00070707, 0x00040404, |
| 0x009b9b9b, 0x00949494, 0x00212121, 0x00666666, |
| 0x00e6e6e6, 0x00cecece, 0x00ededed, 0x00e7e7e7, |
| 0x003b3b3b, 0x00fefefe, 0x007f7f7f, 0x00c5c5c5, |
| 0x00a4a4a4, 0x00373737, 0x00b1b1b1, 0x004c4c4c, |
| 0x00919191, 0x006e6e6e, 0x008d8d8d, 0x00767676, |
| 0x00030303, 0x002d2d2d, 0x00dedede, 0x00969696, |
| 0x00262626, 0x007d7d7d, 0x00c6c6c6, 0x005c5c5c, |
| 0x00d3d3d3, 0x00f2f2f2, 0x004f4f4f, 0x00191919, |
| 0x003f3f3f, 0x00dcdcdc, 0x00797979, 0x001d1d1d, |
| 0x00525252, 0x00ebebeb, 0x00f3f3f3, 0x006d6d6d, |
| 0x005e5e5e, 0x00fbfbfb, 0x00696969, 0x00b2b2b2, |
| 0x00f0f0f0, 0x00313131, 0x000c0c0c, 0x00d4d4d4, |
| 0x00cfcfcf, 0x008c8c8c, 0x00e2e2e2, 0x00757575, |
| 0x00a9a9a9, 0x004a4a4a, 0x00575757, 0x00848484, |
| 0x00111111, 0x00454545, 0x001b1b1b, 0x00f5f5f5, |
| 0x00e4e4e4, 0x000e0e0e, 0x00737373, 0x00aaaaaa, |
| 0x00f1f1f1, 0x00dddddd, 0x00595959, 0x00141414, |
| 0x006c6c6c, 0x00929292, 0x00545454, 0x00d0d0d0, |
| 0x00787878, 0x00707070, 0x00e3e3e3, 0x00494949, |
| 0x00808080, 0x00505050, 0x00a7a7a7, 0x00f6f6f6, |
| 0x00777777, 0x00939393, 0x00868686, 0x00838383, |
| 0x002a2a2a, 0x00c7c7c7, 0x005b5b5b, 0x00e9e9e9, |
| 0x00eeeeee, 0x008f8f8f, 0x00010101, 0x003d3d3d, |
| }; |
| |
| static const PRUint32 camellia_sp3033[256] = { |
| 0x38003838, 0x41004141, 0x16001616, 0x76007676, |
| 0xd900d9d9, 0x93009393, 0x60006060, 0xf200f2f2, |
| 0x72007272, 0xc200c2c2, 0xab00abab, 0x9a009a9a, |
| 0x75007575, 0x06000606, 0x57005757, 0xa000a0a0, |
| 0x91009191, 0xf700f7f7, 0xb500b5b5, 0xc900c9c9, |
| 0xa200a2a2, 0x8c008c8c, 0xd200d2d2, 0x90009090, |
| 0xf600f6f6, 0x07000707, 0xa700a7a7, 0x27002727, |
| 0x8e008e8e, 0xb200b2b2, 0x49004949, 0xde00dede, |
| 0x43004343, 0x5c005c5c, 0xd700d7d7, 0xc700c7c7, |
| 0x3e003e3e, 0xf500f5f5, 0x8f008f8f, 0x67006767, |
| 0x1f001f1f, 0x18001818, 0x6e006e6e, 0xaf00afaf, |
| 0x2f002f2f, 0xe200e2e2, 0x85008585, 0x0d000d0d, |
| 0x53005353, 0xf000f0f0, 0x9c009c9c, 0x65006565, |
| 0xea00eaea, 0xa300a3a3, 0xae00aeae, 0x9e009e9e, |
| 0xec00ecec, 0x80008080, 0x2d002d2d, 0x6b006b6b, |
| 0xa800a8a8, 0x2b002b2b, 0x36003636, 0xa600a6a6, |
| 0xc500c5c5, 0x86008686, 0x4d004d4d, 0x33003333, |
| 0xfd00fdfd, 0x66006666, 0x58005858, 0x96009696, |
| 0x3a003a3a, 0x09000909, 0x95009595, 0x10001010, |
| 0x78007878, 0xd800d8d8, 0x42004242, 0xcc00cccc, |
| 0xef00efef, 0x26002626, 0xe500e5e5, 0x61006161, |
| 0x1a001a1a, 0x3f003f3f, 0x3b003b3b, 0x82008282, |
| 0xb600b6b6, 0xdb00dbdb, 0xd400d4d4, 0x98009898, |
| 0xe800e8e8, 0x8b008b8b, 0x02000202, 0xeb00ebeb, |
| 0x0a000a0a, 0x2c002c2c, 0x1d001d1d, 0xb000b0b0, |
| 0x6f006f6f, 0x8d008d8d, 0x88008888, 0x0e000e0e, |
| 0x19001919, 0x87008787, 0x4e004e4e, 0x0b000b0b, |
| 0xa900a9a9, 0x0c000c0c, 0x79007979, 0x11001111, |
| 0x7f007f7f, 0x22002222, 0xe700e7e7, 0x59005959, |
| 0xe100e1e1, 0xda00dada, 0x3d003d3d, 0xc800c8c8, |
| 0x12001212, 0x04000404, 0x74007474, 0x54005454, |
| 0x30003030, 0x7e007e7e, 0xb400b4b4, 0x28002828, |
| 0x55005555, 0x68006868, 0x50005050, 0xbe00bebe, |
| 0xd000d0d0, 0xc400c4c4, 0x31003131, 0xcb00cbcb, |
| 0x2a002a2a, 0xad00adad, 0x0f000f0f, 0xca00caca, |
| 0x70007070, 0xff00ffff, 0x32003232, 0x69006969, |
| 0x08000808, 0x62006262, 0x00000000, 0x24002424, |
| 0xd100d1d1, 0xfb00fbfb, 0xba00baba, 0xed00eded, |
| 0x45004545, 0x81008181, 0x73007373, 0x6d006d6d, |
| 0x84008484, 0x9f009f9f, 0xee00eeee, 0x4a004a4a, |
| 0xc300c3c3, 0x2e002e2e, 0xc100c1c1, 0x01000101, |
| 0xe600e6e6, 0x25002525, 0x48004848, 0x99009999, |
| 0xb900b9b9, 0xb300b3b3, 0x7b007b7b, 0xf900f9f9, |
| 0xce00cece, 0xbf00bfbf, 0xdf00dfdf, 0x71007171, |
| 0x29002929, 0xcd00cdcd, 0x6c006c6c, 0x13001313, |
| 0x64006464, 0x9b009b9b, 0x63006363, 0x9d009d9d, |
| 0xc000c0c0, 0x4b004b4b, 0xb700b7b7, 0xa500a5a5, |
| 0x89008989, 0x5f005f5f, 0xb100b1b1, 0x17001717, |
| 0xf400f4f4, 0xbc00bcbc, 0xd300d3d3, 0x46004646, |
| 0xcf00cfcf, 0x37003737, 0x5e005e5e, 0x47004747, |
| 0x94009494, 0xfa00fafa, 0xfc00fcfc, 0x5b005b5b, |
| 0x97009797, 0xfe00fefe, 0x5a005a5a, 0xac00acac, |
| 0x3c003c3c, 0x4c004c4c, 0x03000303, 0x35003535, |
| 0xf300f3f3, 0x23002323, 0xb800b8b8, 0x5d005d5d, |
| 0x6a006a6a, 0x92009292, 0xd500d5d5, 0x21002121, |
| 0x44004444, 0x51005151, 0xc600c6c6, 0x7d007d7d, |
| 0x39003939, 0x83008383, 0xdc00dcdc, 0xaa00aaaa, |
| 0x7c007c7c, 0x77007777, 0x56005656, 0x05000505, |
| 0x1b001b1b, 0xa400a4a4, 0x15001515, 0x34003434, |
| 0x1e001e1e, 0x1c001c1c, 0xf800f8f8, 0x52005252, |
| 0x20002020, 0x14001414, 0xe900e9e9, 0xbd00bdbd, |
| 0xdd00dddd, 0xe400e4e4, 0xa100a1a1, 0xe000e0e0, |
| 0x8a008a8a, 0xf100f1f1, 0xd600d6d6, 0x7a007a7a, |
| 0xbb00bbbb, 0xe300e3e3, 0x40004040, 0x4f004f4f, |
| }; |
| |
| static const PRUint32 camellia_sp4404[256] = { |
| 0x70700070, 0x2c2c002c, 0xb3b300b3, 0xc0c000c0, |
| 0xe4e400e4, 0x57570057, 0xeaea00ea, 0xaeae00ae, |
| 0x23230023, 0x6b6b006b, 0x45450045, 0xa5a500a5, |
| 0xeded00ed, 0x4f4f004f, 0x1d1d001d, 0x92920092, |
| 0x86860086, 0xafaf00af, 0x7c7c007c, 0x1f1f001f, |
| 0x3e3e003e, 0xdcdc00dc, 0x5e5e005e, 0x0b0b000b, |
| 0xa6a600a6, 0x39390039, 0xd5d500d5, 0x5d5d005d, |
| 0xd9d900d9, 0x5a5a005a, 0x51510051, 0x6c6c006c, |
| 0x8b8b008b, 0x9a9a009a, 0xfbfb00fb, 0xb0b000b0, |
| 0x74740074, 0x2b2b002b, 0xf0f000f0, 0x84840084, |
| 0xdfdf00df, 0xcbcb00cb, 0x34340034, 0x76760076, |
| 0x6d6d006d, 0xa9a900a9, 0xd1d100d1, 0x04040004, |
| 0x14140014, 0x3a3a003a, 0xdede00de, 0x11110011, |
| 0x32320032, 0x9c9c009c, 0x53530053, 0xf2f200f2, |
| 0xfefe00fe, 0xcfcf00cf, 0xc3c300c3, 0x7a7a007a, |
| 0x24240024, 0xe8e800e8, 0x60600060, 0x69690069, |
| 0xaaaa00aa, 0xa0a000a0, 0xa1a100a1, 0x62620062, |
| 0x54540054, 0x1e1e001e, 0xe0e000e0, 0x64640064, |
| 0x10100010, 0x00000000, 0xa3a300a3, 0x75750075, |
| 0x8a8a008a, 0xe6e600e6, 0x09090009, 0xdddd00dd, |
| 0x87870087, 0x83830083, 0xcdcd00cd, 0x90900090, |
| 0x73730073, 0xf6f600f6, 0x9d9d009d, 0xbfbf00bf, |
| 0x52520052, 0xd8d800d8, 0xc8c800c8, 0xc6c600c6, |
| 0x81810081, 0x6f6f006f, 0x13130013, 0x63630063, |
| 0xe9e900e9, 0xa7a700a7, 0x9f9f009f, 0xbcbc00bc, |
| 0x29290029, 0xf9f900f9, 0x2f2f002f, 0xb4b400b4, |
| 0x78780078, 0x06060006, 0xe7e700e7, 0x71710071, |
| 0xd4d400d4, 0xabab00ab, 0x88880088, 0x8d8d008d, |
| 0x72720072, 0xb9b900b9, 0xf8f800f8, 0xacac00ac, |
| 0x36360036, 0x2a2a002a, 0x3c3c003c, 0xf1f100f1, |
| 0x40400040, 0xd3d300d3, 0xbbbb00bb, 0x43430043, |
| 0x15150015, 0xadad00ad, 0x77770077, 0x80800080, |
| 0x82820082, 0xecec00ec, 0x27270027, 0xe5e500e5, |
| 0x85850085, 0x35350035, 0x0c0c000c, 0x41410041, |
| 0xefef00ef, 0x93930093, 0x19190019, 0x21210021, |
| 0x0e0e000e, 0x4e4e004e, 0x65650065, 0xbdbd00bd, |
| 0xb8b800b8, 0x8f8f008f, 0xebeb00eb, 0xcece00ce, |
| 0x30300030, 0x5f5f005f, 0xc5c500c5, 0x1a1a001a, |
| 0xe1e100e1, 0xcaca00ca, 0x47470047, 0x3d3d003d, |
| 0x01010001, 0xd6d600d6, 0x56560056, 0x4d4d004d, |
| 0x0d0d000d, 0x66660066, 0xcccc00cc, 0x2d2d002d, |
| 0x12120012, 0x20200020, 0xb1b100b1, 0x99990099, |
| 0x4c4c004c, 0xc2c200c2, 0x7e7e007e, 0x05050005, |
| 0xb7b700b7, 0x31310031, 0x17170017, 0xd7d700d7, |
| 0x58580058, 0x61610061, 0x1b1b001b, 0x1c1c001c, |
| 0x0f0f000f, 0x16160016, 0x18180018, 0x22220022, |
| 0x44440044, 0xb2b200b2, 0xb5b500b5, 0x91910091, |
| 0x08080008, 0xa8a800a8, 0xfcfc00fc, 0x50500050, |
| 0xd0d000d0, 0x7d7d007d, 0x89890089, 0x97970097, |
| 0x5b5b005b, 0x95950095, 0xffff00ff, 0xd2d200d2, |
| 0xc4c400c4, 0x48480048, 0xf7f700f7, 0xdbdb00db, |
| 0x03030003, 0xdada00da, 0x3f3f003f, 0x94940094, |
| 0x5c5c005c, 0x02020002, 0x4a4a004a, 0x33330033, |
| 0x67670067, 0xf3f300f3, 0x7f7f007f, 0xe2e200e2, |
| 0x9b9b009b, 0x26260026, 0x37370037, 0x3b3b003b, |
| 0x96960096, 0x4b4b004b, 0xbebe00be, 0x2e2e002e, |
| 0x79790079, 0x8c8c008c, 0x6e6e006e, 0x8e8e008e, |
| 0xf5f500f5, 0xb6b600b6, 0xfdfd00fd, 0x59590059, |
| 0x98980098, 0x6a6a006a, 0x46460046, 0xbaba00ba, |
| 0x25250025, 0x42420042, 0xa2a200a2, 0xfafa00fa, |
| 0x07070007, 0x55550055, 0xeeee00ee, 0x0a0a000a, |
| 0x49490049, 0x68680068, 0x38380038, 0xa4a400a4, |
| 0x28280028, 0x7b7b007b, 0xc9c900c9, 0xc1c100c1, |
| 0xe3e300e3, 0xf4f400f4, 0xc7c700c7, 0x9e9e009e, |
| }; |
| |
| /** |
| * Stuff related to the Camellia key schedule |
| */ |
| #define subl(x) subL[(x)] |
| #define subr(x) subR[(x)] |
| |
| void |
| camellia_setup128(const unsigned char *key, PRUint32 *subkey) |
| { |
| PRUint32 kll, klr, krl, krr; |
| PRUint32 il, ir, t0, t1, w0, w1; |
| PRUint32 kw4l, kw4r, dw, tl, tr; |
| PRUint32 subL[26]; |
| PRUint32 subR[26]; |
| #if defined(CAMELLIA_NEED_TMP_VARIABLE) |
| PRUint32 tmp; |
| #endif |
| |
| /** |
| * k == kll || klr || krl || krr (|| is concatination) |
| */ |
| kll = GETU32(key); |
| klr = GETU32(key + 4); |
| krl = GETU32(key + 8); |
| krr = GETU32(key + 12); |
| /** |
| * generate KL dependent subkeys |
| */ |
| subl(0) = kll; |
| subr(0) = klr; |
| subl(1) = krl; |
| subr(1) = krr; |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| subl(4) = kll; |
| subr(4) = klr; |
| subl(5) = krl; |
| subr(5) = krr; |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30); |
| subl(10) = kll; |
| subr(10) = klr; |
| subl(11) = krl; |
| subr(11) = krr; |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| subl(13) = krl; |
| subr(13) = krr; |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
| subl(16) = kll; |
| subr(16) = klr; |
| subl(17) = krl; |
| subr(17) = krr; |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
| subl(18) = kll; |
| subr(18) = klr; |
| subl(19) = krl; |
| subr(19) = krr; |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
| subl(22) = kll; |
| subr(22) = klr; |
| subl(23) = krl; |
| subr(23) = krr; |
| |
| /* generate KA */ |
| kll = subl(0); |
| klr = subr(0); |
| krl = subl(1); |
| krr = subr(1); |
| CAMELLIA_F(kll, klr, |
| CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, |
| w0, w1, il, ir, t0, t1); |
| krl ^= w0; |
| krr ^= w1; |
| CAMELLIA_F(krl, krr, |
| CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, |
| kll, klr, il, ir, t0, t1); |
| CAMELLIA_F(kll, klr, |
| CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, |
| krl, krr, il, ir, t0, t1); |
| krl ^= w0; |
| krr ^= w1; |
| CAMELLIA_F(krl, krr, |
| CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, |
| w0, w1, il, ir, t0, t1); |
| kll ^= w0; |
| klr ^= w1; |
| |
| /* generate KA dependent subkeys */ |
| subl(2) = kll; |
| subr(2) = klr; |
| subl(3) = krl; |
| subr(3) = krr; |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| subl(6) = kll; |
| subr(6) = klr; |
| subl(7) = krl; |
| subr(7) = krr; |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| subl(8) = kll; |
| subr(8) = klr; |
| subl(9) = krl; |
| subr(9) = krr; |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| subl(12) = kll; |
| subr(12) = klr; |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| subl(14) = kll; |
| subr(14) = klr; |
| subl(15) = krl; |
| subr(15) = krr; |
| CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34); |
| subl(20) = kll; |
| subr(20) = klr; |
| subl(21) = krl; |
| subr(21) = krr; |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
| subl(24) = kll; |
| subr(24) = klr; |
| subl(25) = krl; |
| subr(25) = krr; |
| |
| /* absorb kw2 to other subkeys */ |
| subl(3) ^= subl(1); |
| subr(3) ^= subr(1); |
| subl(5) ^= subl(1); |
| subr(5) ^= subr(1); |
| subl(7) ^= subl(1); |
| subr(7) ^= subr(1); |
| subl(1) ^= subr(1) & ~subr(9); |
| dw = subl(1) & subl(9), subr(1) ^= CAMELLIA_RL1(dw); |
| subl(11) ^= subl(1); |
| subr(11) ^= subr(1); |
| subl(13) ^= subl(1); |
| subr(13) ^= subr(1); |
| subl(15) ^= subl(1); |
| subr(15) ^= subr(1); |
| subl(1) ^= subr(1) & ~subr(17); |
| dw = subl(1) & subl(17), subr(1) ^= CAMELLIA_RL1(dw); |
| subl(19) ^= subl(1); |
| subr(19) ^= subr(1); |
| subl(21) ^= subl(1); |
| subr(21) ^= subr(1); |
| subl(23) ^= subl(1); |
| subr(23) ^= subr(1); |
| subl(24) ^= subl(1); |
| subr(24) ^= subr(1); |
| |
| /* absorb kw4 to other subkeys */ |
| kw4l = subl(25); |
| kw4r = subr(25); |
| subl(22) ^= kw4l; |
| subr(22) ^= kw4r; |
| subl(20) ^= kw4l; |
| subr(20) ^= kw4r; |
| subl(18) ^= kw4l; |
| subr(18) ^= kw4r; |
| kw4l ^= kw4r & ~subr(16); |
| dw = kw4l & subl(16), kw4r ^= CAMELLIA_RL1(dw); |
| subl(14) ^= kw4l; |
| subr(14) ^= kw4r; |
| subl(12) ^= kw4l; |
| subr(12) ^= kw4r; |
| subl(10) ^= kw4l; |
| subr(10) ^= kw4r; |
| kw4l ^= kw4r & ~subr(8); |
| dw = kw4l & subl(8), kw4r ^= CAMELLIA_RL1(dw); |
| subl(6) ^= kw4l; |
| subr(6) ^= kw4r; |
| subl(4) ^= kw4l; |
| subr(4) ^= kw4r; |
| subl(2) ^= kw4l; |
| subr(2) ^= kw4r; |
| subl(0) ^= kw4l; |
| subr(0) ^= kw4r; |
| |
| /* key XOR is end of F-function */ |
| CamelliaSubkeyL(0) = subl(0) ^ subl(2); |
| CamelliaSubkeyR(0) = subr(0) ^ subr(2); |
| CamelliaSubkeyL(2) = subl(3); |
| CamelliaSubkeyR(2) = subr(3); |
| CamelliaSubkeyL(3) = subl(2) ^ subl(4); |
| CamelliaSubkeyR(3) = subr(2) ^ subr(4); |
| CamelliaSubkeyL(4) = subl(3) ^ subl(5); |
| CamelliaSubkeyR(4) = subr(3) ^ subr(5); |
| CamelliaSubkeyL(5) = subl(4) ^ subl(6); |
| CamelliaSubkeyR(5) = subr(4) ^ subr(6); |
| CamelliaSubkeyL(6) = subl(5) ^ subl(7); |
| CamelliaSubkeyR(6) = subr(5) ^ subr(7); |
| tl = subl(10) ^ (subr(10) & ~subr(8)); |
| dw = tl & subl(8), tr = subr(10) ^ CAMELLIA_RL1(dw); |
| CamelliaSubkeyL(7) = subl(6) ^ tl; |
| CamelliaSubkeyR(7) = subr(6) ^ tr; |
| CamelliaSubkeyL(8) = subl(8); |
| CamelliaSubkeyR(8) = subr(8); |
| CamelliaSubkeyL(9) = subl(9); |
| CamelliaSubkeyR(9) = subr(9); |
| tl = subl(7) ^ (subr(7) & ~subr(9)); |
| dw = tl & subl(9), tr = subr(7) ^ CAMELLIA_RL1(dw); |
| CamelliaSubkeyL(10) = tl ^ subl(11); |
| CamelliaSubkeyR(10) = tr ^ subr(11); |
| CamelliaSubkeyL(11) = subl(10) ^ subl(12); |
| CamelliaSubkeyR(11) = subr(10) ^ subr(12); |
| CamelliaSubkeyL(12) = subl(11) ^ subl(13); |
| CamelliaSubkeyR(12) = subr(11) ^ subr(13); |
| CamelliaSubkeyL(13) = subl(12) ^ subl(14); |
| CamelliaSubkeyR(13) = subr(12) ^ subr(14); |
| CamelliaSubkeyL(14) = subl(13) ^ subl(15); |
| CamelliaSubkeyR(14) = subr(13) ^ subr(15); |
| tl = subl(18) ^ (subr(18) & ~subr(16)); |
| dw = tl & subl(16), tr = subr(18) ^ CAMELLIA_RL1(dw); |
| CamelliaSubkeyL(15) = subl(14) ^ tl; |
| CamelliaSubkeyR(15) = subr(14) ^ tr; |
| CamelliaSubkeyL(16) = subl(16); |
| CamelliaSubkeyR(16) = subr(16); |
| CamelliaSubkeyL(17) = subl(17); |
| CamelliaSubkeyR(17) = subr(17); |
| tl = subl(15) ^ (subr(15) & ~subr(17)); |
| dw = tl & subl(17), tr = subr(15) ^ CAMELLIA_RL1(dw); |
| CamelliaSubkeyL(18) = tl ^ subl(19); |
| CamelliaSubkeyR(18) = tr ^ subr(19); |
| CamelliaSubkeyL(19) = subl(18) ^ subl(20); |
| CamelliaSubkeyR(19) = subr(18) ^ subr(20); |
| CamelliaSubkeyL(20) = subl(19) ^ subl(21); |
| CamelliaSubkeyR(20) = subr(19) ^ subr(21); |
| CamelliaSubkeyL(21) = subl(20) ^ subl(22); |
| CamelliaSubkeyR(21) = subr(20) ^ subr(22); |
| CamelliaSubkeyL(22) = subl(21) ^ subl(23); |
| CamelliaSubkeyR(22) = subr(21) ^ subr(23); |
| CamelliaSubkeyL(23) = subl(22); |
| CamelliaSubkeyR(23) = subr(22); |
| CamelliaSubkeyL(24) = subl(24) ^ subl(23); |
| CamelliaSubkeyR(24) = subr(24) ^ subr(23); |
| |
| /* apply the inverse of the last half of P-function */ |
| dw = CamelliaSubkeyL(2) ^ CamelliaSubkeyR(2), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(2) = CamelliaSubkeyL(2) ^ dw, CamelliaSubkeyL(2) = dw; |
| dw = CamelliaSubkeyL(3) ^ CamelliaSubkeyR(3), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(3) = CamelliaSubkeyL(3) ^ dw, CamelliaSubkeyL(3) = dw; |
| dw = CamelliaSubkeyL(4) ^ CamelliaSubkeyR(4), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(4) = CamelliaSubkeyL(4) ^ dw, CamelliaSubkeyL(4) = dw; |
| dw = CamelliaSubkeyL(5) ^ CamelliaSubkeyR(5), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(5) = CamelliaSubkeyL(5) ^ dw, CamelliaSubkeyL(5) = dw; |
| dw = CamelliaSubkeyL(6) ^ CamelliaSubkeyR(6), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(6) = CamelliaSubkeyL(6) ^ dw, CamelliaSubkeyL(6) = dw; |
| dw = CamelliaSubkeyL(7) ^ CamelliaSubkeyR(7), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(7) = CamelliaSubkeyL(7) ^ dw, CamelliaSubkeyL(7) = dw; |
| dw = CamelliaSubkeyL(10) ^ CamelliaSubkeyR(10), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(10) = CamelliaSubkeyL(10) ^ dw, CamelliaSubkeyL(10) = dw; |
| dw = CamelliaSubkeyL(11) ^ CamelliaSubkeyR(11), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(11) = CamelliaSubkeyL(11) ^ dw, CamelliaSubkeyL(11) = dw; |
| dw = CamelliaSubkeyL(12) ^ CamelliaSubkeyR(12), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(12) = CamelliaSubkeyL(12) ^ dw, CamelliaSubkeyL(12) = dw; |
| dw = CamelliaSubkeyL(13) ^ CamelliaSubkeyR(13), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(13) = CamelliaSubkeyL(13) ^ dw, CamelliaSubkeyL(13) = dw; |
| dw = CamelliaSubkeyL(14) ^ CamelliaSubkeyR(14), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(14) = CamelliaSubkeyL(14) ^ dw, CamelliaSubkeyL(14) = dw; |
| dw = CamelliaSubkeyL(15) ^ CamelliaSubkeyR(15), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(15) = CamelliaSubkeyL(15) ^ dw, CamelliaSubkeyL(15) = dw; |
| dw = CamelliaSubkeyL(18) ^ CamelliaSubkeyR(18), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(18) = CamelliaSubkeyL(18) ^ dw, CamelliaSubkeyL(18) = dw; |
| dw = CamelliaSubkeyL(19) ^ CamelliaSubkeyR(19), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(19) = CamelliaSubkeyL(19) ^ dw, CamelliaSubkeyL(19) = dw; |
| dw = CamelliaSubkeyL(20) ^ CamelliaSubkeyR(20), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(20) = CamelliaSubkeyL(20) ^ dw, CamelliaSubkeyL(20) = dw; |
| dw = CamelliaSubkeyL(21) ^ CamelliaSubkeyR(21), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(21) = CamelliaSubkeyL(21) ^ dw, CamelliaSubkeyL(21) = dw; |
| dw = CamelliaSubkeyL(22) ^ CamelliaSubkeyR(22), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(22) = CamelliaSubkeyL(22) ^ dw, CamelliaSubkeyL(22) = dw; |
| dw = CamelliaSubkeyL(23) ^ CamelliaSubkeyR(23), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(23) = CamelliaSubkeyL(23) ^ dw, CamelliaSubkeyL(23) = dw; |
| |
| return; |
| } |
| |
| void |
| camellia_setup256(const unsigned char *key, PRUint32 *subkey) |
| { |
| PRUint32 kll, klr, krl, krr; /* left half of key */ |
| PRUint32 krll, krlr, krrl, krrr; /* right half of key */ |
| PRUint32 il, ir, t0, t1, w0, w1; /* temporary variables */ |
| PRUint32 kw4l, kw4r, dw, tl, tr; |
| PRUint32 subL[34]; |
| PRUint32 subR[34]; |
| #if defined(CAMELLIA_NEED_TMP_VARIABLE) |
| PRUint32 tmp; |
| #endif |
| |
| /** |
| * key = (kll || klr || krl || krr || krll || krlr || krrl || krrr) |
| * (|| is concatination) |
| */ |
| |
| kll = GETU32(key); |
| klr = GETU32(key + 4); |
| krl = GETU32(key + 8); |
| krr = GETU32(key + 12); |
| krll = GETU32(key + 16); |
| krlr = GETU32(key + 20); |
| krrl = GETU32(key + 24); |
| krrr = GETU32(key + 28); |
| |
| /* generate KL dependent subkeys */ |
| subl(0) = kll; |
| subr(0) = klr; |
| subl(1) = krl; |
| subr(1) = krr; |
| CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 45); |
| subl(12) = kll; |
| subr(12) = klr; |
| subl(13) = krl; |
| subr(13) = krr; |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| subl(16) = kll; |
| subr(16) = klr; |
| subl(17) = krl; |
| subr(17) = krr; |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 17); |
| subl(22) = kll; |
| subr(22) = klr; |
| subl(23) = krl; |
| subr(23) = krr; |
| CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 34); |
| subl(30) = kll; |
| subr(30) = klr; |
| subl(31) = krl; |
| subr(31) = krr; |
| |
| /* generate KR dependent subkeys */ |
| CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); |
| subl(4) = krll; |
| subr(4) = krlr; |
| subl(5) = krrl; |
| subr(5) = krrr; |
| CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 15); |
| subl(8) = krll; |
| subr(8) = krlr; |
| subl(9) = krrl; |
| subr(9) = krrr; |
| CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
| subl(18) = krll; |
| subr(18) = krlr; |
| subl(19) = krrl; |
| subr(19) = krrr; |
| CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); |
| subl(26) = krll; |
| subr(26) = krlr; |
| subl(27) = krrl; |
| subr(27) = krrr; |
| CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 34); |
| |
| /* generate KA */ |
| kll = subl(0) ^ krll; |
| klr = subr(0) ^ krlr; |
| krl = subl(1) ^ krrl; |
| krr = subr(1) ^ krrr; |
| CAMELLIA_F(kll, klr, |
| CAMELLIA_SIGMA1L, CAMELLIA_SIGMA1R, |
| w0, w1, il, ir, t0, t1); |
| krl ^= w0; |
| krr ^= w1; |
| CAMELLIA_F(krl, krr, |
| CAMELLIA_SIGMA2L, CAMELLIA_SIGMA2R, |
| kll, klr, il, ir, t0, t1); |
| kll ^= krll; |
| klr ^= krlr; |
| CAMELLIA_F(kll, klr, |
| CAMELLIA_SIGMA3L, CAMELLIA_SIGMA3R, |
| krl, krr, il, ir, t0, t1); |
| krl ^= w0 ^ krrl; |
| krr ^= w1 ^ krrr; |
| CAMELLIA_F(krl, krr, |
| CAMELLIA_SIGMA4L, CAMELLIA_SIGMA4R, |
| w0, w1, il, ir, t0, t1); |
| kll ^= w0; |
| klr ^= w1; |
| |
| /* generate KB */ |
| krll ^= kll; |
| krlr ^= klr; |
| krrl ^= krl; |
| krrr ^= krr; |
| CAMELLIA_F(krll, krlr, |
| CAMELLIA_SIGMA5L, CAMELLIA_SIGMA5R, |
| w0, w1, il, ir, t0, t1); |
| krrl ^= w0; |
| krrr ^= w1; |
| CAMELLIA_F(krrl, krrr, |
| CAMELLIA_SIGMA6L, CAMELLIA_SIGMA6R, |
| w0, w1, il, ir, t0, t1); |
| krll ^= w0; |
| krlr ^= w1; |
| |
| /* generate KA dependent subkeys */ |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 15); |
| subl(6) = kll; |
| subr(6) = klr; |
| subl(7) = krl; |
| subr(7) = krr; |
| CAMELLIA_ROLDQ(kll, klr, krl, krr, w0, w1, 30); |
| subl(14) = kll; |
| subr(14) = klr; |
| subl(15) = krl; |
| subr(15) = krr; |
| subl(24) = klr; |
| subr(24) = krl; |
| subl(25) = krr; |
| subr(25) = kll; |
| CAMELLIA_ROLDQo32(kll, klr, krl, krr, w0, w1, 49); |
| subl(28) = kll; |
| subr(28) = klr; |
| subl(29) = krl; |
| subr(29) = krr; |
| |
| /* generate KB dependent subkeys */ |
| subl(2) = krll; |
| subr(2) = krlr; |
| subl(3) = krrl; |
| subr(3) = krrr; |
| CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
| subl(10) = krll; |
| subr(10) = krlr; |
| subl(11) = krrl; |
| subr(11) = krrr; |
| CAMELLIA_ROLDQ(krll, krlr, krrl, krrr, w0, w1, 30); |
| subl(20) = krll; |
| subr(20) = krlr; |
| subl(21) = krrl; |
| subr(21) = krrr; |
| CAMELLIA_ROLDQo32(krll, krlr, krrl, krrr, w0, w1, 51); |
| subl(32) = krll; |
| subr(32) = krlr; |
| subl(33) = krrl; |
| subr(33) = krrr; |
| |
| /* absorb kw2 to other subkeys */ |
| subl(3) ^= subl(1); |
| subr(3) ^= subr(1); |
| subl(5) ^= subl(1); |
| subr(5) ^= subr(1); |
| subl(7) ^= subl(1); |
| subr(7) ^= subr(1); |
| subl(1) ^= subr(1) & ~subr(9); |
| dw = subl(1) & subl(9), subr(1) ^= CAMELLIA_RL1(dw); |
| subl(11) ^= subl(1); |
| subr(11) ^= subr(1); |
| subl(13) ^= subl(1); |
| subr(13) ^= subr(1); |
| subl(15) ^= subl(1); |
| subr(15) ^= subr(1); |
| subl(1) ^= subr(1) & ~subr(17); |
| dw = subl(1) & subl(17), subr(1) ^= CAMELLIA_RL1(dw); |
| subl(19) ^= subl(1); |
| subr(19) ^= subr(1); |
| subl(21) ^= subl(1); |
| subr(21) ^= subr(1); |
| subl(23) ^= subl(1); |
| subr(23) ^= subr(1); |
| subl(1) ^= subr(1) & ~subr(25); |
| dw = subl(1) & subl(25), subr(1) ^= CAMELLIA_RL1(dw); |
| subl(27) ^= subl(1); |
| subr(27) ^= subr(1); |
| subl(29) ^= subl(1); |
| subr(29) ^= subr(1); |
| subl(31) ^= subl(1); |
| subr(31) ^= subr(1); |
| subl(32) ^= subl(1); |
| subr(32) ^= subr(1); |
| |
| /* absorb kw4 to other subkeys */ |
| kw4l = subl(33); |
| kw4r = subr(33); |
| subl(30) ^= kw4l; |
| subr(30) ^= kw4r; |
| subl(28) ^= kw4l; |
| subr(28) ^= kw4r; |
| subl(26) ^= kw4l; |
| subr(26) ^= kw4r; |
| kw4l ^= kw4r & ~subr(24); |
| dw = kw4l & subl(24), kw4r ^= CAMELLIA_RL1(dw); |
| subl(22) ^= kw4l; |
| subr(22) ^= kw4r; |
| subl(20) ^= kw4l; |
| subr(20) ^= kw4r; |
| subl(18) ^= kw4l; |
| subr(18) ^= kw4r; |
| kw4l ^= kw4r & ~subr(16); |
| dw = kw4l & subl(16), kw4r ^= CAMELLIA_RL1(dw); |
| subl(14) ^= kw4l; |
| subr(14) ^= kw4r; |
| subl(12) ^= kw4l; |
| subr(12) ^= kw4r; |
| subl(10) ^= kw4l; |
| subr(10) ^= kw4r; |
| kw4l ^= kw4r & ~subr(8); |
| dw = kw4l & subl(8), kw4r ^= CAMELLIA_RL1(dw); |
| subl(6) ^= kw4l; |
| subr(6) ^= kw4r; |
| subl(4) ^= kw4l; |
| subr(4) ^= kw4r; |
| subl(2) ^= kw4l; |
| subr(2) ^= kw4r; |
| subl(0) ^= kw4l; |
| subr(0) ^= kw4r; |
| |
| /* key XOR is end of F-function */ |
| CamelliaSubkeyL(0) = subl(0) ^ subl(2); |
| CamelliaSubkeyR(0) = subr(0) ^ subr(2); |
| CamelliaSubkeyL(2) = subl(3); |
| CamelliaSubkeyR(2) = subr(3); |
| CamelliaSubkeyL(3) = subl(2) ^ subl(4); |
| CamelliaSubkeyR(3) = subr(2) ^ subr(4); |
| CamelliaSubkeyL(4) = subl(3) ^ subl(5); |
| CamelliaSubkeyR(4) = subr(3) ^ subr(5); |
| CamelliaSubkeyL(5) = subl(4) ^ subl(6); |
| CamelliaSubkeyR(5) = subr(4) ^ subr(6); |
| CamelliaSubkeyL(6) = subl(5) ^ subl(7); |
| CamelliaSubkeyR(6) = subr(5) ^ subr(7); |
| tl = subl(10) ^ (subr(10) & ~subr(8)); |
| dw = tl & subl(8), tr = subr(10) ^ CAMELLIA_RL1(dw); |
| CamelliaSubkeyL(7) = subl(6) ^ tl; |
| CamelliaSubkeyR(7) = subr(6) ^ tr; |
| CamelliaSubkeyL(8) = subl(8); |
| CamelliaSubkeyR(8) = subr(8); |
| CamelliaSubkeyL(9) = subl(9); |
| CamelliaSubkeyR(9) = subr(9); |
| tl = subl(7) ^ (subr(7) & ~subr(9)); |
| dw = tl & subl(9), tr = subr(7) ^ CAMELLIA_RL1(dw); |
| CamelliaSubkeyL(10) = tl ^ subl(11); |
| CamelliaSubkeyR(10) = tr ^ subr(11); |
| CamelliaSubkeyL(11) = subl(10) ^ subl(12); |
| CamelliaSubkeyR(11) = subr(10) ^ subr(12); |
| CamelliaSubkeyL(12) = subl(11) ^ subl(13); |
| CamelliaSubkeyR(12) = subr(11) ^ subr(13); |
| CamelliaSubkeyL(13) = subl(12) ^ subl(14); |
| CamelliaSubkeyR(13) = subr(12) ^ subr(14); |
| CamelliaSubkeyL(14) = subl(13) ^ subl(15); |
| CamelliaSubkeyR(14) = subr(13) ^ subr(15); |
| tl = subl(18) ^ (subr(18) & ~subr(16)); |
| dw = tl & subl(16), tr = subr(18) ^ CAMELLIA_RL1(dw); |
| CamelliaSubkeyL(15) = subl(14) ^ tl; |
| CamelliaSubkeyR(15) = subr(14) ^ tr; |
| CamelliaSubkeyL(16) = subl(16); |
| CamelliaSubkeyR(16) = subr(16); |
| CamelliaSubkeyL(17) = subl(17); |
| CamelliaSubkeyR(17) = subr(17); |
| tl = subl(15) ^ (subr(15) & ~subr(17)); |
| dw = tl & subl(17), tr = subr(15) ^ CAMELLIA_RL1(dw); |
| CamelliaSubkeyL(18) = tl ^ subl(19); |
| CamelliaSubkeyR(18) = tr ^ subr(19); |
| CamelliaSubkeyL(19) = subl(18) ^ subl(20); |
| CamelliaSubkeyR(19) = subr(18) ^ subr(20); |
| CamelliaSubkeyL(20) = subl(19) ^ subl(21); |
| CamelliaSubkeyR(20) = subr(19) ^ subr(21); |
| CamelliaSubkeyL(21) = subl(20) ^ subl(22); |
| CamelliaSubkeyR(21) = subr(20) ^ subr(22); |
| CamelliaSubkeyL(22) = subl(21) ^ subl(23); |
| CamelliaSubkeyR(22) = subr(21) ^ subr(23); |
| tl = subl(26) ^ (subr(26) & ~subr(24)); |
| dw = tl & subl(24), tr = subr(26) ^ CAMELLIA_RL1(dw); |
| CamelliaSubkeyL(23) = subl(22) ^ tl; |
| CamelliaSubkeyR(23) = subr(22) ^ tr; |
| CamelliaSubkeyL(24) = subl(24); |
| CamelliaSubkeyR(24) = subr(24); |
| CamelliaSubkeyL(25) = subl(25); |
| CamelliaSubkeyR(25) = subr(25); |
| tl = subl(23) ^ (subr(23) & ~subr(25)); |
| dw = tl & subl(25), tr = subr(23) ^ CAMELLIA_RL1(dw); |
| CamelliaSubkeyL(26) = tl ^ subl(27); |
| CamelliaSubkeyR(26) = tr ^ subr(27); |
| CamelliaSubkeyL(27) = subl(26) ^ subl(28); |
| CamelliaSubkeyR(27) = subr(26) ^ subr(28); |
| CamelliaSubkeyL(28) = subl(27) ^ subl(29); |
| CamelliaSubkeyR(28) = subr(27) ^ subr(29); |
| CamelliaSubkeyL(29) = subl(28) ^ subl(30); |
| CamelliaSubkeyR(29) = subr(28) ^ subr(30); |
| CamelliaSubkeyL(30) = subl(29) ^ subl(31); |
| CamelliaSubkeyR(30) = subr(29) ^ subr(31); |
| CamelliaSubkeyL(31) = subl(30); |
| CamelliaSubkeyR(31) = subr(30); |
| CamelliaSubkeyL(32) = subl(32) ^ subl(31); |
| CamelliaSubkeyR(32) = subr(32) ^ subr(31); |
| |
| /* apply the inverse of the last half of P-function */ |
| dw = CamelliaSubkeyL(2) ^ CamelliaSubkeyR(2), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(2) = CamelliaSubkeyL(2) ^ dw, CamelliaSubkeyL(2) = dw; |
| dw = CamelliaSubkeyL(3) ^ CamelliaSubkeyR(3), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(3) = CamelliaSubkeyL(3) ^ dw, CamelliaSubkeyL(3) = dw; |
| dw = CamelliaSubkeyL(4) ^ CamelliaSubkeyR(4), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(4) = CamelliaSubkeyL(4) ^ dw, CamelliaSubkeyL(4) = dw; |
| dw = CamelliaSubkeyL(5) ^ CamelliaSubkeyR(5), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(5) = CamelliaSubkeyL(5) ^ dw, CamelliaSubkeyL(5) = dw; |
| dw = CamelliaSubkeyL(6) ^ CamelliaSubkeyR(6), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(6) = CamelliaSubkeyL(6) ^ dw, CamelliaSubkeyL(6) = dw; |
| dw = CamelliaSubkeyL(7) ^ CamelliaSubkeyR(7), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(7) = CamelliaSubkeyL(7) ^ dw, CamelliaSubkeyL(7) = dw; |
| dw = CamelliaSubkeyL(10) ^ CamelliaSubkeyR(10), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(10) = CamelliaSubkeyL(10) ^ dw, CamelliaSubkeyL(10) = dw; |
| dw = CamelliaSubkeyL(11) ^ CamelliaSubkeyR(11), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(11) = CamelliaSubkeyL(11) ^ dw, CamelliaSubkeyL(11) = dw; |
| dw = CamelliaSubkeyL(12) ^ CamelliaSubkeyR(12), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(12) = CamelliaSubkeyL(12) ^ dw, CamelliaSubkeyL(12) = dw; |
| dw = CamelliaSubkeyL(13) ^ CamelliaSubkeyR(13), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(13) = CamelliaSubkeyL(13) ^ dw, CamelliaSubkeyL(13) = dw; |
| dw = CamelliaSubkeyL(14) ^ CamelliaSubkeyR(14), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(14) = CamelliaSubkeyL(14) ^ dw, CamelliaSubkeyL(14) = dw; |
| dw = CamelliaSubkeyL(15) ^ CamelliaSubkeyR(15), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(15) = CamelliaSubkeyL(15) ^ dw, CamelliaSubkeyL(15) = dw; |
| dw = CamelliaSubkeyL(18) ^ CamelliaSubkeyR(18), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(18) = CamelliaSubkeyL(18) ^ dw, CamelliaSubkeyL(18) = dw; |
| dw = CamelliaSubkeyL(19) ^ CamelliaSubkeyR(19), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(19) = CamelliaSubkeyL(19) ^ dw, CamelliaSubkeyL(19) = dw; |
| dw = CamelliaSubkeyL(20) ^ CamelliaSubkeyR(20), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(20) = CamelliaSubkeyL(20) ^ dw, CamelliaSubkeyL(20) = dw; |
| dw = CamelliaSubkeyL(21) ^ CamelliaSubkeyR(21), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(21) = CamelliaSubkeyL(21) ^ dw, CamelliaSubkeyL(21) = dw; |
| dw = CamelliaSubkeyL(22) ^ CamelliaSubkeyR(22), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(22) = CamelliaSubkeyL(22) ^ dw, CamelliaSubkeyL(22) = dw; |
| dw = CamelliaSubkeyL(23) ^ CamelliaSubkeyR(23), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(23) = CamelliaSubkeyL(23) ^ dw, CamelliaSubkeyL(23) = dw; |
| dw = CamelliaSubkeyL(26) ^ CamelliaSubkeyR(26), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(26) = CamelliaSubkeyL(26) ^ dw, CamelliaSubkeyL(26) = dw; |
| dw = CamelliaSubkeyL(27) ^ CamelliaSubkeyR(27), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(27) = CamelliaSubkeyL(27) ^ dw, CamelliaSubkeyL(27) = dw; |
| dw = CamelliaSubkeyL(28) ^ CamelliaSubkeyR(28), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(28) = CamelliaSubkeyL(28) ^ dw, CamelliaSubkeyL(28) = dw; |
| dw = CamelliaSubkeyL(29) ^ CamelliaSubkeyR(29), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(29) = CamelliaSubkeyL(29) ^ dw, CamelliaSubkeyL(29) = dw; |
| dw = CamelliaSubkeyL(30) ^ CamelliaSubkeyR(30), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(30) = CamelliaSubkeyL(30) ^ dw, CamelliaSubkeyL(30) = dw; |
| dw = CamelliaSubkeyL(31) ^ CamelliaSubkeyR(31), dw = CAMELLIA_RL8(dw); |
| CamelliaSubkeyR(31) = CamelliaSubkeyL(31) ^ dw, CamelliaSubkeyL(31) = dw; |
| |
| return; |
| } |
| |
| void |
| camellia_setup192(const unsigned char *key, PRUint32 *subkey) |
| { |
| unsigned char kk[32]; |
| PRUint32 krll, krlr, krrl, krrr; |
| |
| memcpy(kk, key, 24); |
| memcpy((unsigned char *)&krll, key + 16, 4); |
| memcpy((unsigned char *)&krlr, key + 20, 4); |
| krrl = ~krll; |
| krrr = ~krlr; |
| memcpy(kk + 24, (unsigned char *)&krrl, 4); |
| memcpy(kk + 28, (unsigned char *)&krrr, 4); |
| camellia_setup256(kk, subkey); |
| return; |
| } |
| |
| /** |
| * Stuff related to camellia encryption/decryption |
| * |
| */ |
| SECStatus NO_SANITIZE_ALIGNMENT |
| camellia_encrypt128(const PRUint32 *subkey, |
| unsigned char *output, |
| const unsigned char *input) |
| { |
| PRUint32 il, ir, t0, t1; |
| PRUint32 io[4]; |
| #if defined(CAMELLIA_NEED_TMP_VARIABLE) |
| PRUint32 tmp; |
| #endif |
| |
| io[0] = GETU32(input); |
| io[1] = GETU32(input + 4); |
| io[2] = GETU32(input + 8); |
| io[3] = GETU32(input + 12); |
| |
| /* pre whitening but absorb kw2*/ |
| io[0] ^= CamelliaSubkeyL(0); |
| io[1] ^= CamelliaSubkeyR(0); |
| /* main iteration */ |
| |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(2), CamelliaSubkeyR(2), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(3), CamelliaSubkeyR(3), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(4), CamelliaSubkeyR(4), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(5), CamelliaSubkeyR(5), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(6), CamelliaSubkeyR(6), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(7), CamelliaSubkeyR(7), |
| io[0], io[1], il, ir, t0, t1); |
| |
| CAMELLIA_FLS(io[0], io[1], io[2], io[3], |
| CamelliaSubkeyL(8), CamelliaSubkeyR(8), |
| CamelliaSubkeyL(9), CamelliaSubkeyR(9), |
| t0, t1, il, ir); |
| |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(10), CamelliaSubkeyR(10), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(11), CamelliaSubkeyR(11), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(12), CamelliaSubkeyR(12), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(13), CamelliaSubkeyR(13), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(14), CamelliaSubkeyR(14), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(15), CamelliaSubkeyR(15), |
| io[0], io[1], il, ir, t0, t1); |
| |
| CAMELLIA_FLS(io[0], io[1], io[2], io[3], |
| CamelliaSubkeyL(16), CamelliaSubkeyR(16), |
| CamelliaSubkeyL(17), CamelliaSubkeyR(17), |
| t0, t1, il, ir); |
| |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(18), CamelliaSubkeyR(18), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(19), CamelliaSubkeyR(19), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(20), CamelliaSubkeyR(20), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(21), CamelliaSubkeyR(21), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(22), CamelliaSubkeyR(22), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(23), CamelliaSubkeyR(23), |
| io[0], io[1], il, ir, t0, t1); |
| |
| /* post whitening but kw4 */ |
| io[2] ^= CamelliaSubkeyL(24); |
| io[3] ^= CamelliaSubkeyR(24); |
| |
| t0 = io[0]; |
| t1 = io[1]; |
| io[0] = io[2]; |
| io[1] = io[3]; |
| io[2] = t0; |
| io[3] = t1; |
| |
| PUTU32(output, io[0]); |
| PUTU32(output + 4, io[1]); |
| PUTU32(output + 8, io[2]); |
| PUTU32(output + 12, io[3]); |
| |
| return SECSuccess; |
| } |
| |
| SECStatus NO_SANITIZE_ALIGNMENT |
| camellia_decrypt128(const PRUint32 *subkey, |
| unsigned char *output, |
| const unsigned char *input) |
| { |
| PRUint32 il, ir, t0, t1; /* temporary valiables */ |
| PRUint32 io[4]; |
| #if defined(CAMELLIA_NEED_TMP_VARIABLE) |
| PRUint32 tmp; |
| #endif |
| |
| io[0] = GETU32(input); |
| io[1] = GETU32(input + 4); |
| io[2] = GETU32(input + 8); |
| io[3] = GETU32(input + 12); |
| |
| /* pre whitening but absorb kw2*/ |
| io[0] ^= CamelliaSubkeyL(24); |
| io[1] ^= CamelliaSubkeyR(24); |
| |
| /* main iteration */ |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(23), CamelliaSubkeyR(23), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(22), CamelliaSubkeyR(22), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(21), CamelliaSubkeyR(21), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(20), CamelliaSubkeyR(20), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(19), CamelliaSubkeyR(19), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(18), CamelliaSubkeyR(18), |
| io[0], io[1], il, ir, t0, t1); |
| |
| CAMELLIA_FLS(io[0], io[1], io[2], io[3], |
| CamelliaSubkeyL(17), CamelliaSubkeyR(17), |
| CamelliaSubkeyL(16), CamelliaSubkeyR(16), |
| t0, t1, il, ir); |
| |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(15), CamelliaSubkeyR(15), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(14), CamelliaSubkeyR(14), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(13), CamelliaSubkeyR(13), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(12), CamelliaSubkeyR(12), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(11), CamelliaSubkeyR(11), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(10), CamelliaSubkeyR(10), |
| io[0], io[1], il, ir, t0, t1); |
| |
| CAMELLIA_FLS(io[0], io[1], io[2], io[3], |
| CamelliaSubkeyL(9), CamelliaSubkeyR(9), |
| CamelliaSubkeyL(8), CamelliaSubkeyR(8), |
| t0, t1, il, ir); |
| |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(7), CamelliaSubkeyR(7), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(6), CamelliaSubkeyR(6), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(5), CamelliaSubkeyR(5), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(4), CamelliaSubkeyR(4), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(3), CamelliaSubkeyR(3), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(2), CamelliaSubkeyR(2), |
| io[0], io[1], il, ir, t0, t1); |
| |
| /* post whitening but kw4 */ |
| io[2] ^= CamelliaSubkeyL(0); |
| io[3] ^= CamelliaSubkeyR(0); |
| |
| t0 = io[0]; |
| t1 = io[1]; |
| io[0] = io[2]; |
| io[1] = io[3]; |
| io[2] = t0; |
| io[3] = t1; |
| |
| PUTU32(output, io[0]); |
| PUTU32(output + 4, io[1]); |
| PUTU32(output + 8, io[2]); |
| PUTU32(output + 12, io[3]); |
| |
| return SECSuccess; |
| } |
| |
| /** |
| * stuff for 192 and 256bit encryption/decryption |
| */ |
| SECStatus NO_SANITIZE_ALIGNMENT |
| camellia_encrypt256(const PRUint32 *subkey, |
| unsigned char *output, |
| const unsigned char *input) |
| { |
| PRUint32 il, ir, t0, t1; /* temporary valiables */ |
| PRUint32 io[4]; |
| #if defined(CAMELLIA_NEED_TMP_VARIABLE) |
| PRUint32 tmp; |
| #endif |
| |
| io[0] = GETU32(input); |
| io[1] = GETU32(input + 4); |
| io[2] = GETU32(input + 8); |
| io[3] = GETU32(input + 12); |
| |
| /* pre whitening but absorb kw2*/ |
| io[0] ^= CamelliaSubkeyL(0); |
| io[1] ^= CamelliaSubkeyR(0); |
| |
| /* main iteration */ |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(2), CamelliaSubkeyR(2), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(3), CamelliaSubkeyR(3), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(4), CamelliaSubkeyR(4), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(5), CamelliaSubkeyR(5), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(6), CamelliaSubkeyR(6), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(7), CamelliaSubkeyR(7), |
| io[0], io[1], il, ir, t0, t1); |
| |
| CAMELLIA_FLS(io[0], io[1], io[2], io[3], |
| CamelliaSubkeyL(8), CamelliaSubkeyR(8), |
| CamelliaSubkeyL(9), CamelliaSubkeyR(9), |
| t0, t1, il, ir); |
| |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(10), CamelliaSubkeyR(10), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(11), CamelliaSubkeyR(11), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(12), CamelliaSubkeyR(12), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(13), CamelliaSubkeyR(13), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(14), CamelliaSubkeyR(14), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(15), CamelliaSubkeyR(15), |
| io[0], io[1], il, ir, t0, t1); |
| |
| CAMELLIA_FLS(io[0], io[1], io[2], io[3], |
| CamelliaSubkeyL(16), CamelliaSubkeyR(16), |
| CamelliaSubkeyL(17), CamelliaSubkeyR(17), |
| t0, t1, il, ir); |
| |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(18), CamelliaSubkeyR(18), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(19), CamelliaSubkeyR(19), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(20), CamelliaSubkeyR(20), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(21), CamelliaSubkeyR(21), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(22), CamelliaSubkeyR(22), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(23), CamelliaSubkeyR(23), |
| io[0], io[1], il, ir, t0, t1); |
| |
| CAMELLIA_FLS(io[0], io[1], io[2], io[3], |
| CamelliaSubkeyL(24), CamelliaSubkeyR(24), |
| CamelliaSubkeyL(25), CamelliaSubkeyR(25), |
| t0, t1, il, ir); |
| |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(26), CamelliaSubkeyR(26), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(27), CamelliaSubkeyR(27), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(28), CamelliaSubkeyR(28), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(29), CamelliaSubkeyR(29), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(30), CamelliaSubkeyR(30), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(31), CamelliaSubkeyR(31), |
| io[0], io[1], il, ir, t0, t1); |
| |
| /* post whitening but kw4 */ |
| io[2] ^= CamelliaSubkeyL(32); |
| io[3] ^= CamelliaSubkeyR(32); |
| |
| t0 = io[0]; |
| t1 = io[1]; |
| io[0] = io[2]; |
| io[1] = io[3]; |
| io[2] = t0; |
| io[3] = t1; |
| |
| PUTU32(output, io[0]); |
| PUTU32(output + 4, io[1]); |
| PUTU32(output + 8, io[2]); |
| PUTU32(output + 12, io[3]); |
| |
| return SECSuccess; |
| } |
| |
| SECStatus NO_SANITIZE_ALIGNMENT |
| camellia_decrypt256(const PRUint32 *subkey, |
| unsigned char *output, |
| const unsigned char *input) |
| { |
| PRUint32 il, ir, t0, t1; /* temporary valiables */ |
| PRUint32 io[4]; |
| #if defined(CAMELLIA_NEED_TMP_VARIABLE) |
| PRUint32 tmp; |
| #endif |
| |
| io[0] = GETU32(input); |
| io[1] = GETU32(input + 4); |
| io[2] = GETU32(input + 8); |
| io[3] = GETU32(input + 12); |
| |
| /* pre whitening but absorb kw2*/ |
| io[0] ^= CamelliaSubkeyL(32); |
| io[1] ^= CamelliaSubkeyR(32); |
| |
| /* main iteration */ |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(31), CamelliaSubkeyR(31), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(30), CamelliaSubkeyR(30), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(29), CamelliaSubkeyR(29), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(28), CamelliaSubkeyR(28), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(27), CamelliaSubkeyR(27), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(26), CamelliaSubkeyR(26), |
| io[0], io[1], il, ir, t0, t1); |
| |
| CAMELLIA_FLS(io[0], io[1], io[2], io[3], |
| CamelliaSubkeyL(25), CamelliaSubkeyR(25), |
| CamelliaSubkeyL(24), CamelliaSubkeyR(24), |
| t0, t1, il, ir); |
| |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(23), CamelliaSubkeyR(23), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(22), CamelliaSubkeyR(22), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(21), CamelliaSubkeyR(21), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(20), CamelliaSubkeyR(20), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(19), CamelliaSubkeyR(19), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(18), CamelliaSubkeyR(18), |
| io[0], io[1], il, ir, t0, t1); |
| |
| CAMELLIA_FLS(io[0], io[1], io[2], io[3], |
| CamelliaSubkeyL(17), CamelliaSubkeyR(17), |
| CamelliaSubkeyL(16), CamelliaSubkeyR(16), |
| t0, t1, il, ir); |
| |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(15), CamelliaSubkeyR(15), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(14), CamelliaSubkeyR(14), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(13), CamelliaSubkeyR(13), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(12), CamelliaSubkeyR(12), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(11), CamelliaSubkeyR(11), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(10), CamelliaSubkeyR(10), |
| io[0], io[1], il, ir, t0, t1); |
| |
| CAMELLIA_FLS(io[0], io[1], io[2], io[3], |
| CamelliaSubkeyL(9), CamelliaSubkeyR(9), |
| CamelliaSubkeyL(8), CamelliaSubkeyR(8), |
| t0, t1, il, ir); |
| |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(7), CamelliaSubkeyR(7), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(6), CamelliaSubkeyR(6), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(5), CamelliaSubkeyR(5), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(4), CamelliaSubkeyR(4), |
| io[0], io[1], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[0], io[1], |
| CamelliaSubkeyL(3), CamelliaSubkeyR(3), |
| io[2], io[3], il, ir, t0, t1); |
| CAMELLIA_ROUNDSM(io[2], io[3], |
| CamelliaSubkeyL(2), CamelliaSubkeyR(2), |
| io[0], io[1], il, ir, t0, t1); |
| |
| /* post whitening but kw4 */ |
| io[2] ^= CamelliaSubkeyL(0); |
| io[3] ^= CamelliaSubkeyR(0); |
| |
| t0 = io[0]; |
| t1 = io[1]; |
| io[0] = io[2]; |
| io[1] = io[3]; |
| io[2] = t0; |
| io[3] = t1; |
| |
| PUTU32(output, io[0]); |
| PUTU32(output + 4, io[1]); |
| PUTU32(output + 8, io[2]); |
| PUTU32(output + 12, io[3]); |
| |
| return SECSuccess; |
| } |
| |
| /************************************************************************** |
| * |
| * Stuff related to the Camellia key schedule |
| * |
| *************************************************************************/ |
| |
| SECStatus |
| camellia_key_expansion(CamelliaContext *cx, |
| const unsigned char *key, |
| const unsigned int keysize) |
| { |
| cx->keysize = keysize; |
| |
| switch (keysize) { |
| case 16: |
| camellia_setup128(key, cx->expandedKey); |
| break; |
| case 24: |
| camellia_setup192(key, cx->expandedKey); |
| break; |
| case 32: |
| camellia_setup256(key, cx->expandedKey); |
| break; |
| default: |
| break; |
| } |
| return SECSuccess; |
| } |
| |
| /************************************************************************** |
| * |
| * Camellia modes of operation (ECB and CBC) |
| * |
| *************************************************************************/ |
| |
| SECStatus |
| camellia_encryptECB(CamelliaContext *cx, unsigned char *output, |
| unsigned int *outputLen, unsigned int maxOutputLen, |
| const unsigned char *input, unsigned int inputLen) |
| { |
| CamelliaBlockFunc *encryptor; |
| |
| encryptor = (cx->keysize == 16) |
| ? &camellia_encrypt128 |
| : &camellia_encrypt256; |
| |
| while (inputLen > 0) { |
| (*encryptor)(cx->expandedKey, output, input); |
| |
| output += CAMELLIA_BLOCK_SIZE; |
| input += CAMELLIA_BLOCK_SIZE; |
| inputLen -= CAMELLIA_BLOCK_SIZE; |
| } |
| return SECSuccess; |
| } |
| |
| SECStatus |
| camellia_encryptCBC(CamelliaContext *cx, unsigned char *output, |
| unsigned int *outputLen, unsigned int maxOutputLen, |
| const unsigned char *input, unsigned int inputLen) |
| { |
| unsigned int j; |
| unsigned char *lastblock; |
| unsigned char inblock[CAMELLIA_BLOCK_SIZE]; |
| CamelliaBlockFunc *encryptor; |
| |
| if (!inputLen) |
| return SECSuccess; |
| lastblock = cx->iv; |
| |
| encryptor = (cx->keysize == 16) |
| ? &camellia_encrypt128 |
| : &camellia_encrypt256; |
| |
| while (inputLen > 0) { |
| /* XOR with the last block (IV if first block) */ |
| for (j = 0; j < CAMELLIA_BLOCK_SIZE; ++j) |
| inblock[j] = input[j] ^ lastblock[j]; |
| /* encrypt */ |
| (*encryptor)(cx->expandedKey, output, inblock); |
| |
| /* move to the next block */ |
| lastblock = output; |
| output += CAMELLIA_BLOCK_SIZE; |
| input += CAMELLIA_BLOCK_SIZE; |
| inputLen -= CAMELLIA_BLOCK_SIZE; |
| } |
| memcpy(cx->iv, lastblock, CAMELLIA_BLOCK_SIZE); |
| return SECSuccess; |
| } |
| |
| SECStatus |
| camellia_decryptECB(CamelliaContext *cx, unsigned char *output, |
| unsigned int *outputLen, unsigned int maxOutputLen, |
| const unsigned char *input, unsigned int inputLen) |
| { |
| CamelliaBlockFunc *decryptor; |
| |
| decryptor = (cx->keysize == 16) |
| ? &camellia_decrypt128 |
| : &camellia_decrypt256; |
| |
| while (inputLen > 0) { |
| |
| (*decryptor)(cx->expandedKey, output, input); |
| |
| output += CAMELLIA_BLOCK_SIZE; |
| input += CAMELLIA_BLOCK_SIZE; |
| inputLen -= CAMELLIA_BLOCK_SIZE; |
| } |
| return SECSuccess; |
| } |
| |
| SECStatus |
| camellia_decryptCBC(CamelliaContext *cx, unsigned char *output, |
| unsigned int *outputLen, unsigned int maxOutputLen, |
| const unsigned char *input, unsigned int inputLen) |
| { |
| const unsigned char *in; |
| unsigned char *out; |
| unsigned int j; |
| unsigned char newIV[CAMELLIA_BLOCK_SIZE]; |
| CamelliaBlockFunc *decryptor; |
| |
| if (!inputLen) |
| return SECSuccess; |
| |
| PORT_Assert(output - input >= 0 || input - output >= (int)inputLen); |
| |
| in = input + (inputLen - CAMELLIA_BLOCK_SIZE); |
| memcpy(newIV, in, CAMELLIA_BLOCK_SIZE); |
| out = output + (inputLen - CAMELLIA_BLOCK_SIZE); |
| |
| decryptor = (cx->keysize == 16) |
| ? &camellia_decrypt128 |
| : &camellia_decrypt256; |
| |
| while (inputLen > CAMELLIA_BLOCK_SIZE) { |
| (*decryptor)(cx->expandedKey, out, in); |
| |
| for (j = 0; j < CAMELLIA_BLOCK_SIZE; ++j) |
| out[j] ^= in[(int)(j - CAMELLIA_BLOCK_SIZE)]; |
| |
| out -= CAMELLIA_BLOCK_SIZE; |
| in -= CAMELLIA_BLOCK_SIZE; |
| inputLen -= CAMELLIA_BLOCK_SIZE; |
| } |
| if (in == input) { |
| (*decryptor)(cx->expandedKey, out, in); |
| |
| for (j = 0; j < CAMELLIA_BLOCK_SIZE; ++j) |
| out[j] ^= cx->iv[j]; |
| } |
| memcpy(cx->iv, newIV, CAMELLIA_BLOCK_SIZE); |
| return SECSuccess; |
| } |
| |
| /************************************************************************** |
| * |
| * BLAPI Interface functions |
| * |
| *************************************************************************/ |
| |
| CamelliaContext * |
| Camellia_AllocateContext(void) |
| { |
| return PORT_ZNew(CamelliaContext); |
| } |
| |
| SECStatus |
| Camellia_InitContext(CamelliaContext *cx, const unsigned char *key, |
| unsigned int keysize, |
| const unsigned char *iv, int mode, unsigned int encrypt, |
| unsigned int unused) |
| { |
| if (key == NULL || |
| (keysize != 16 && keysize != 24 && keysize != 32)) { |
| PORT_SetError(SEC_ERROR_INVALID_ARGS); |
| return SECFailure; |
| } |
| if (mode != NSS_CAMELLIA && mode != NSS_CAMELLIA_CBC) { |
| PORT_SetError(SEC_ERROR_INVALID_ARGS); |
| return SECFailure; |
| } |
| if (mode == NSS_CAMELLIA_CBC && iv == NULL) { |
| PORT_SetError(SEC_ERROR_INVALID_ARGS); |
| return SECFailure; |
| } |
| if (!cx) { |
| PORT_SetError(SEC_ERROR_INVALID_ARGS); |
| return SECFailure; |
| } |
| if (mode == NSS_CAMELLIA_CBC) { |
| memcpy(cx->iv, iv, CAMELLIA_BLOCK_SIZE); |
| cx->worker = (encrypt) ? &camellia_encryptCBC : &camellia_decryptCBC; |
| } else { |
| cx->worker = (encrypt) ? &camellia_encryptECB : &camellia_decryptECB; |
| } |
| |
| /* Generate expanded key */ |
| if (camellia_key_expansion(cx, key, keysize) != SECSuccess) |
| goto cleanup; |
| |
| return SECSuccess; |
| cleanup: |
| return SECFailure; |
| } |
| |
| /* |
| * Camellia_CreateContext |
| * create a new context for Camellia operations |
| */ |
| |
| CamelliaContext * |
| Camellia_CreateContext(const unsigned char *key, const unsigned char *iv, |
| int mode, int encrypt, |
| unsigned int keysize) |
| { |
| CamelliaContext *cx; |
| |
| if (key == NULL || |
| (keysize != 16 && keysize != 24 && keysize != 32)) { |
| PORT_SetError(SEC_ERROR_INVALID_ARGS); |
| return NULL; |
| } |
| if (mode != NSS_CAMELLIA && mode != NSS_CAMELLIA_CBC) { |
| PORT_SetError(SEC_ERROR_INVALID_ARGS); |
| return NULL; |
| } |
| if (mode == NSS_CAMELLIA_CBC && iv == NULL) { |
| PORT_SetError(SEC_ERROR_INVALID_ARGS); |
| return NULL; |
| } |
| cx = PORT_ZNew(CamelliaContext); |
| if (!cx) { |
| PORT_SetError(SEC_ERROR_NO_MEMORY); |
| return NULL; |
| } |
| |
| /* copy in the iv, if neccessary */ |
| if (mode == NSS_CAMELLIA_CBC) { |
| memcpy(cx->iv, iv, CAMELLIA_BLOCK_SIZE); |
| cx->worker = (encrypt) ? &camellia_encryptCBC : &camellia_decryptCBC; |
| } else { |
| cx->worker = (encrypt) ? &camellia_encryptECB : &camellia_decryptECB; |
| } |
| /* copy keysize */ |
| cx->keysize = keysize; |
| |
| /* Generate expanded key */ |
| if (camellia_key_expansion(cx, key, keysize) != SECSuccess) |
| goto cleanup; |
| |
| return cx; |
| cleanup: |
| PORT_ZFree(cx, sizeof *cx); |
| return NULL; |
| } |
| |
| /* |
| * Camellia_DestroyContext |
| * |
| * Zero an Camellia cipher context. If freeit is true, also free the pointer |
| * to the context. |
| */ |
| void |
| Camellia_DestroyContext(CamelliaContext *cx, PRBool freeit) |
| { |
| if (cx) |
| memset(cx, 0, sizeof *cx); |
| if (freeit) |
| PORT_Free(cx); |
| } |
| |
| /* |
| * Camellia_Encrypt |
| * |
| * Encrypt an arbitrary-length buffer. The output buffer must already be |
| * allocated to at least inputLen. |
| */ |
| SECStatus |
| Camellia_Encrypt(CamelliaContext *cx, unsigned char *output, |
| unsigned int *outputLen, unsigned int maxOutputLen, |
| const unsigned char *input, unsigned int inputLen) |
| { |
| |
| /* Check args */ |
| if (cx == NULL || output == NULL || input == NULL || |
| outputLen == NULL) { |
| PORT_SetError(SEC_ERROR_INVALID_ARGS); |
| return SECFailure; |
| } |
| |
| if (inputLen % CAMELLIA_BLOCK_SIZE != 0) { |
| PORT_SetError(SEC_ERROR_INPUT_LEN); |
| return SECFailure; |
| } |
| if (maxOutputLen < inputLen) { |
| PORT_SetError(SEC_ERROR_OUTPUT_LEN); |
| return SECFailure; |
| } |
| *outputLen = inputLen; |
| |
| return (*cx->worker)(cx, output, outputLen, maxOutputLen, |
| input, inputLen); |
| } |
| |
| /* |
| * Camellia_Decrypt |
| * |
| * Decrypt and arbitrary-length buffer. The output buffer must already be |
| * allocated to at least inputLen. |
| */ |
| SECStatus |
| Camellia_Decrypt(CamelliaContext *cx, unsigned char *output, |
| unsigned int *outputLen, unsigned int maxOutputLen, |
| const unsigned char *input, unsigned int inputLen) |
| { |
| |
| /* Check args */ |
| if (cx == NULL || output == NULL || input == NULL || outputLen == NULL) { |
| PORT_SetError(SEC_ERROR_INVALID_ARGS); |
| return SECFailure; |
| } |
| if (inputLen % CAMELLIA_BLOCK_SIZE != 0) { |
| PORT_SetError(SEC_ERROR_INPUT_LEN); |
| return SECFailure; |
| } |
| if (maxOutputLen < inputLen) { |
| PORT_SetError(SEC_ERROR_OUTPUT_LEN); |
| return SECFailure; |
| } |
| *outputLen = inputLen; |
| |
| return (*cx->worker)(cx, output, outputLen, maxOutputLen, |
| input, inputLen); |
| } |
