Mercurial > dropbear
diff libtomcrypt/src/ciphers/camellia.c @ 1471:6dba84798cd5
Update to libtomcrypt 1.18.1, merged with Dropbear changes
| author | Matt Johnston <matt@ucc.asn.au> |
|---|---|
| date | Fri, 09 Feb 2018 21:44:05 +0800 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/libtomcrypt/src/ciphers/camellia.c Fri Feb 09 21:44:05 2018 +0800 @@ -0,0 +1,726 @@ +/* LibTomCrypt, modular cryptographic library -- Tom St Denis + * + * LibTomCrypt is a library that provides various cryptographic + * algorithms in a highly modular and flexible manner. + * + * The library is free for all purposes without any express + * guarantee it works. + */ + +/** + @file camellia.c + Implementation by Tom St Denis of Elliptic Semiconductor +*/ + +#include "tomcrypt.h" + +#ifdef LTC_CAMELLIA + +const struct ltc_cipher_descriptor camellia_desc = { + "camellia", + 23, + 16, 32, 16, 18, + &camellia_setup, + &camellia_ecb_encrypt, + &camellia_ecb_decrypt, + &camellia_test, + &camellia_done, + &camellia_keysize, + NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL +}; + +static const ulong32 SP1110[] = { +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 ulong32 SP0222[] = { +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 ulong32 SP3033[] = { +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 ulong32 SP4404[] = { +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, +}; + +static const ulong64 key_sigma[] = { + CONST64(0xA09E667F3BCC908B), + CONST64(0xB67AE8584CAA73B2), + CONST64(0xC6EF372FE94F82BE), + CONST64(0x54FF53A5F1D36F1C), + CONST64(0x10E527FADE682D1D), + CONST64(0xB05688C2B3E6C1FD) +}; + +static ulong64 F(ulong64 x) +{ + ulong32 D, U; + +#define loc(i) ((8-i)*8) + + D = SP1110[(x >> loc(8)) & 0xFF] ^ SP0222[(x >> loc(5)) & 0xFF] ^ SP3033[(x >> loc(6)) & 0xFF] ^ SP4404[(x >> loc(7)) & 0xFF]; + U = SP1110[(x >> loc(1)) & 0xFF] ^ SP0222[(x >> loc(2)) & 0xFF] ^ SP3033[(x >> loc(3)) & 0xFF] ^ SP4404[(x >> loc(4)) & 0xFF]; + + D ^= U; + U = D ^ RORc(U, 8); + + return ((ulong64)U) | (((ulong64)D) << CONST64(32)); +} + +static void rot_128(unsigned char *in, unsigned count, unsigned char *out) +{ + unsigned x, w, b; + + w = count >> 3; + b = count & 7; + + for (x = 0; x < 16; x++) { + out[x] = (in[(x+w)&15] << b) | (in[(x+w+1)&15] >> (8 - b)); + } +} + +int camellia_setup(const unsigned char *key, int keylen, int num_rounds, symmetric_key *skey) +{ + unsigned char T[48], kA[16], kB[16], kR[16], kL[16]; + int x; + ulong64 A, B; + + LTC_ARGCHK(key != NULL); + LTC_ARGCHK(skey != NULL); + + /* Valid sizes (in bytes) are 16, 24, 32 */ + if (keylen != 16 && keylen != 24 && keylen != 32) { + return CRYPT_INVALID_KEYSIZE; + } + + /* number of rounds */ + skey->camellia.R = (keylen == 16) ? 18 : 24; + + if (num_rounds != 0 && num_rounds != skey->camellia.R) { + return CRYPT_INVALID_ROUNDS; + } + + /* expand key */ + if (keylen == 16) { + for (x = 0; x < 16; x++) { + T[x] = key[x]; + T[x + 16] = 0; + } + } else if (keylen == 24) { + for (x = 0; x < 24; x++) { + T[x] = key[x]; + } + for (x = 24; x < 32; x++) { + T[x] = key[x-8] ^ 0xFF; + } + } else { + for (x = 0; x < 32; x++) { + T[x] = key[x]; + } + } + + for (x = 0; x < 16; x++) { + kL[x] = T[x]; + kR[x] = T[x + 16]; + } + + for (x = 32; x < 48; x++) { + T[x] = T[x - 32] ^ T[x - 16]; + } + + /* first two rounds */ + LOAD64H(A, T+32); LOAD64H(B, T+40); + B ^= F(A ^ key_sigma[0]); + A ^= F(B ^ key_sigma[1]); + STORE64H(A, T+32); STORE64H(B, T+40); + + /* xor kL in */ + for (x = 0; x < 16; x++) { T[x+32] ^= kL[x]; } + + /* next two rounds */ + LOAD64H(A, T+32); LOAD64H(B, T+40); + B ^= F(A ^ key_sigma[2]); + A ^= F(B ^ key_sigma[3]); + STORE64H(A, T+32); STORE64H(B, T+40); + + /* grab KA */ + for (x = 0; x < 16; x++) { kA[x] = T[x+32]; } + + /* xor kR in */ + for (x = 0; x < 16; x++) { T[x+32] ^= kR[x]; } + + if (keylen == 16) { + /* grab whitening keys kw1 and kw2 */ + LOAD64H(skey->camellia.kw[0], kL); + LOAD64H(skey->camellia.kw[1], kL+8); + + /* k1-k2 */ + LOAD64H(skey->camellia.k[0], kA); + LOAD64H(skey->camellia.k[1], kA+8); + + /* rotate kL by 15, k3/k4 */ + rot_128(kL, 15, T+32); + LOAD64H(skey->camellia.k[2], T+32); + LOAD64H(skey->camellia.k[3], T+40); + + /* rotate kA by 15, k5/k6 */ + rot_128(kA, 15, T+32); + LOAD64H(skey->camellia.k[4], T+32); + LOAD64H(skey->camellia.k[5], T+40); + + /* rotate kA by 30, kl1, kl2 */ + rot_128(kA, 30, T+32); + LOAD64H(skey->camellia.kl[0], T+32); + LOAD64H(skey->camellia.kl[1], T+40); + + /* rotate kL by 45, k7/k8 */ + rot_128(kL, 45, T+32); + LOAD64H(skey->camellia.k[6], T+32); + LOAD64H(skey->camellia.k[7], T+40); + + /* rotate kA by 45, k9/k10 */ + rot_128(kA, 45, T+32); + LOAD64H(skey->camellia.k[8], T+32); + rot_128(kL, 60, T+32); + LOAD64H(skey->camellia.k[9], T+40); + + /* rotate kA by 60, k11/k12 */ + rot_128(kA, 60, T+32); + LOAD64H(skey->camellia.k[10], T+32); + LOAD64H(skey->camellia.k[11], T+40); + + /* rotate kL by 77, kl3, kl4 */ + rot_128(kL, 77, T+32); + LOAD64H(skey->camellia.kl[2], T+32); + LOAD64H(skey->camellia.kl[3], T+40); + + /* rotate kL by 94, k13/k14 */ + rot_128(kL, 94, T+32); + LOAD64H(skey->camellia.k[12], T+32); + LOAD64H(skey->camellia.k[13], T+40); + + /* rotate kA by 94, k15/k16 */ + rot_128(kA, 94, T+32); + LOAD64H(skey->camellia.k[14], T+32); + LOAD64H(skey->camellia.k[15], T+40); + + /* rotate kL by 111, k17/k18 */ + rot_128(kL, 111, T+32); + LOAD64H(skey->camellia.k[16], T+32); + LOAD64H(skey->camellia.k[17], T+40); + + /* rotate kA by 111, kw3/kw4 */ + rot_128(kA, 111, T+32); + LOAD64H(skey->camellia.kw[2], T+32); + LOAD64H(skey->camellia.kw[3], T+40); + } else { + /* last two rounds */ + LOAD64H(A, T+32); LOAD64H(B, T+40); + B ^= F(A ^ key_sigma[4]); + A ^= F(B ^ key_sigma[5]); + STORE64H(A, T+32); STORE64H(B, T+40); + + /* grab kB */ + for (x = 0; x < 16; x++) { kB[x] = T[x+32]; } + + /* kw1/2 from kL*/ + LOAD64H(skey->camellia.kw[0], kL); + LOAD64H(skey->camellia.kw[1], kL+8); + + /* k1/k2 = kB */ + LOAD64H(skey->camellia.k[0], kB); + LOAD64H(skey->camellia.k[1], kB+8); + + /* k3/k4 = kR by 15 */ + rot_128(kR, 15, T+32); + LOAD64H(skey->camellia.k[2], T+32); + LOAD64H(skey->camellia.k[3], T+40); + + /* k5/k7 = kA by 15 */ + rot_128(kA, 15, T+32); + LOAD64H(skey->camellia.k[4], T+32); + LOAD64H(skey->camellia.k[5], T+40); + + /* kl1/2 = kR by 30 */ + rot_128(kR, 30, T+32); + LOAD64H(skey->camellia.kl[0], T+32); + LOAD64H(skey->camellia.kl[1], T+40); + + /* k7/k8 = kB by 30 */ + rot_128(kB, 30, T+32); + LOAD64H(skey->camellia.k[6], T+32); + LOAD64H(skey->camellia.k[7], T+40); + + /* k9/k10 = kL by 45 */ + rot_128(kL, 45, T+32); + LOAD64H(skey->camellia.k[8], T+32); + LOAD64H(skey->camellia.k[9], T+40); + + /* k11/k12 = kA by 45 */ + rot_128(kA, 45, T+32); + LOAD64H(skey->camellia.k[10], T+32); + LOAD64H(skey->camellia.k[11], T+40); + + /* kl3/4 = kL by 60 */ + rot_128(kL, 60, T+32); + LOAD64H(skey->camellia.kl[2], T+32); + LOAD64H(skey->camellia.kl[3], T+40); + + /* k13/k14 = kR by 60 */ + rot_128(kR, 60, T+32); + LOAD64H(skey->camellia.k[12], T+32); + LOAD64H(skey->camellia.k[13], T+40); + + /* k15/k16 = kB by 15 */ + rot_128(kB, 60, T+32); + LOAD64H(skey->camellia.k[14], T+32); + LOAD64H(skey->camellia.k[15], T+40); + + /* k17/k18 = kL by 77 */ + rot_128(kL, 77, T+32); + LOAD64H(skey->camellia.k[16], T+32); + LOAD64H(skey->camellia.k[17], T+40); + + /* kl5/6 = kA by 77 */ + rot_128(kA, 77, T+32); + LOAD64H(skey->camellia.kl[4], T+32); + LOAD64H(skey->camellia.kl[5], T+40); + + /* k19/k20 = kR by 94 */ + rot_128(kR, 94, T+32); + LOAD64H(skey->camellia.k[18], T+32); + LOAD64H(skey->camellia.k[19], T+40); + + /* k21/k22 = kA by 94 */ + rot_128(kA, 94, T+32); + LOAD64H(skey->camellia.k[20], T+32); + LOAD64H(skey->camellia.k[21], T+40); + + /* k23/k24 = kL by 111 */ + rot_128(kL, 111, T+32); + LOAD64H(skey->camellia.k[22], T+32); + LOAD64H(skey->camellia.k[23], T+40); + + /* kw2/kw3 = kB by 111 */ + rot_128(kB, 111, T+32); + LOAD64H(skey->camellia.kw[2], T+32); + LOAD64H(skey->camellia.kw[3], T+40); + } + + return CRYPT_OK; +} + +int camellia_ecb_encrypt(const unsigned char *pt, unsigned char *ct, symmetric_key *skey) +{ + ulong64 L, R; + ulong32 a, b; + + LOAD64H(L, pt+0); LOAD64H(R, pt+8); + L ^= skey->camellia.kw[0]; + R ^= skey->camellia.kw[1]; + + /* first 6 rounds */ + R ^= F(L ^ skey->camellia.k[0]); + L ^= F(R ^ skey->camellia.k[1]); + R ^= F(L ^ skey->camellia.k[2]); + L ^= F(R ^ skey->camellia.k[3]); + R ^= F(L ^ skey->camellia.k[4]); + L ^= F(R ^ skey->camellia.k[5]); + + /* FL */ + a = (ulong32)(L >> 32); + b = (ulong32)(L & 0xFFFFFFFFUL); + b ^= ROL((a & (ulong32)(skey->camellia.kl[0] >> 32)), 1); + a ^= b | (skey->camellia.kl[0] & 0xFFFFFFFFU); + L = (((ulong64)a) << 32) | b; + + /* FL^-1 */ + a = (ulong32)(R >> 32); + b = (ulong32)(R & 0xFFFFFFFFUL); + a ^= b | (skey->camellia.kl[1] & 0xFFFFFFFFU); + b ^= ROL((a & (ulong32)(skey->camellia.kl[1] >> 32)), 1); + R = (((ulong64)a) << 32) | b; + + /* second 6 rounds */ + R ^= F(L ^ skey->camellia.k[6]); + L ^= F(R ^ skey->camellia.k[7]); + R ^= F(L ^ skey->camellia.k[8]); + L ^= F(R ^ skey->camellia.k[9]); + R ^= F(L ^ skey->camellia.k[10]); + L ^= F(R ^ skey->camellia.k[11]); + + /* FL */ + a = (ulong32)(L >> 32); + b = (ulong32)(L & 0xFFFFFFFFUL); + b ^= ROL((a & (ulong32)(skey->camellia.kl[2] >> 32)), 1); + a ^= b | (skey->camellia.kl[2] & 0xFFFFFFFFU); + L = (((ulong64)a) << 32) | b; + + /* FL^-1 */ + a = (ulong32)(R >> 32); + b = (ulong32)(R & 0xFFFFFFFFUL); + a ^= b | (skey->camellia.kl[3] & 0xFFFFFFFFU); + b ^= ROL((a & (ulong32)(skey->camellia.kl[3] >> 32)), 1); + R = (((ulong64)a) << 32) | b; + + /* third 6 rounds */ + R ^= F(L ^ skey->camellia.k[12]); + L ^= F(R ^ skey->camellia.k[13]); + R ^= F(L ^ skey->camellia.k[14]); + L ^= F(R ^ skey->camellia.k[15]); + R ^= F(L ^ skey->camellia.k[16]); + L ^= F(R ^ skey->camellia.k[17]); + + /* next FL */ + if (skey->camellia.R == 24) { + /* FL */ + a = (ulong32)(L >> 32); + b = (ulong32)(L & 0xFFFFFFFFUL); + b ^= ROL((a & (ulong32)(skey->camellia.kl[4] >> 32)), 1); + a ^= b | (skey->camellia.kl[4] & 0xFFFFFFFFU); + L = (((ulong64)a) << 32) | b; + + /* FL^-1 */ + a = (ulong32)(R >> 32); + b = (ulong32)(R & 0xFFFFFFFFUL); + a ^= b | (skey->camellia.kl[5] & 0xFFFFFFFFU); + b ^= ROL((a & (ulong32)(skey->camellia.kl[5] >> 32)), 1); + R = (((ulong64)a) << 32) | b; + + /* fourth 6 rounds */ + R ^= F(L ^ skey->camellia.k[18]); + L ^= F(R ^ skey->camellia.k[19]); + R ^= F(L ^ skey->camellia.k[20]); + L ^= F(R ^ skey->camellia.k[21]); + R ^= F(L ^ skey->camellia.k[22]); + L ^= F(R ^ skey->camellia.k[23]); + } + + L ^= skey->camellia.kw[3]; + R ^= skey->camellia.kw[2]; + + STORE64H(R, ct+0); STORE64H(L, ct+8); + + return CRYPT_OK; +} + +int camellia_ecb_decrypt(const unsigned char *ct, unsigned char *pt, symmetric_key *skey) +{ + ulong64 L, R; + ulong32 a, b; + + LOAD64H(R, ct+0); LOAD64H(L, ct+8); + L ^= skey->camellia.kw[3]; + R ^= skey->camellia.kw[2]; + + /* next FL */ + if (skey->camellia.R == 24) { + /* fourth 6 rounds */ + L ^= F(R ^ skey->camellia.k[23]); + R ^= F(L ^ skey->camellia.k[22]); + L ^= F(R ^ skey->camellia.k[21]); + R ^= F(L ^ skey->camellia.k[20]); + L ^= F(R ^ skey->camellia.k[19]); + R ^= F(L ^ skey->camellia.k[18]); + + /* FL */ + a = (ulong32)(L >> 32); + b = (ulong32)(L & 0xFFFFFFFFUL); + a ^= b | (skey->camellia.kl[4] & 0xFFFFFFFFU); + b ^= ROL((a & (ulong32)(skey->camellia.kl[4] >> 32)), 1); + L = (((ulong64)a) << 32) | b; + + /* FL^-1 */ + a = (ulong32)(R >> 32); + b = (ulong32)(R & 0xFFFFFFFFUL); + b ^= ROL((a & (ulong32)(skey->camellia.kl[5] >> 32)), 1); + a ^= b | (skey->camellia.kl[5] & 0xFFFFFFFFU); + R = (((ulong64)a) << 32) | b; + + } + + /* third 6 rounds */ + L ^= F(R ^ skey->camellia.k[17]); + R ^= F(L ^ skey->camellia.k[16]); + L ^= F(R ^ skey->camellia.k[15]); + R ^= F(L ^ skey->camellia.k[14]); + L ^= F(R ^ skey->camellia.k[13]); + R ^= F(L ^ skey->camellia.k[12]); + + /* FL */ + a = (ulong32)(L >> 32); + b = (ulong32)(L & 0xFFFFFFFFUL); + a ^= b | (skey->camellia.kl[2] & 0xFFFFFFFFU); + b ^= ROL((a & (ulong32)(skey->camellia.kl[2] >> 32)), 1); + L = (((ulong64)a) << 32) | b; + + /* FL^-1 */ + a = (ulong32)(R >> 32); + b = (ulong32)(R & 0xFFFFFFFFUL); + b ^= ROL((a & (ulong32)(skey->camellia.kl[3] >> 32)), 1); + a ^= b | (skey->camellia.kl[3] & 0xFFFFFFFFU); + R = (((ulong64)a) << 32) | b; + + /* second 6 rounds */ + L ^= F(R ^ skey->camellia.k[11]); + R ^= F(L ^ skey->camellia.k[10]); + L ^= F(R ^ skey->camellia.k[9]); + R ^= F(L ^ skey->camellia.k[8]); + L ^= F(R ^ skey->camellia.k[7]); + R ^= F(L ^ skey->camellia.k[6]); + + /* FL */ + a = (ulong32)(L >> 32); + b = (ulong32)(L & 0xFFFFFFFFUL); + a ^= b | (skey->camellia.kl[0] & 0xFFFFFFFFU); + b ^= ROL((a & (ulong32)(skey->camellia.kl[0] >> 32)), 1); + L = (((ulong64)a) << 32) | b; + + /* FL^-1 */ + a = (ulong32)(R >> 32); + b = (ulong32)(R & 0xFFFFFFFFUL); + b ^= ROL((a & (ulong32)(skey->camellia.kl[1] >> 32)), 1); + a ^= b | (skey->camellia.kl[1] & 0xFFFFFFFFU); + R = (((ulong64)a) << 32) | b; + + /* first 6 rounds */ + L ^= F(R ^ skey->camellia.k[5]); + R ^= F(L ^ skey->camellia.k[4]); + L ^= F(R ^ skey->camellia.k[3]); + R ^= F(L ^ skey->camellia.k[2]); + L ^= F(R ^ skey->camellia.k[1]); + R ^= F(L ^ skey->camellia.k[0]); + + R ^= skey->camellia.kw[1]; + L ^= skey->camellia.kw[0]; + + STORE64H(R, pt+8); STORE64H(L, pt+0); + + return CRYPT_OK; +} + +int camellia_test(void) +{ + static const struct { + int keylen; + unsigned char key[32], pt[16], ct[16]; + } tests[] = { + +{ + 16, + { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, + 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10 }, + { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, + 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10 }, + { 0x67, 0x67, 0x31, 0x38, 0x54, 0x96, 0x69, 0x73, + 0x08, 0x57, 0x06, 0x56, 0x48, 0xea, 0xbe, 0x43 } +}, + +{ + 24, + { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, + 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, + 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77 }, + { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, + 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10 }, + { 0xb4, 0x99, 0x34, 0x01, 0xb3, 0xe9, 0x96, 0xf8, + 0x4e, 0xe5, 0xce, 0xe7, 0xd7, 0x9b, 0x09, 0xb9 } +}, + + +{ + 32, + { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, + 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, + 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, + 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff }, + { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, + 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10 }, + { 0x9a, 0xcc, 0x23, 0x7d, 0xff, 0x16, 0xd7, 0x6c, + 0x20, 0xef, 0x7c, 0x91, 0x9e, 0x3a, 0x75, 0x09 } +}, + +{ + 32, + { 0x60, 0x3D, 0xEB, 0x10, 0x15, 0xCA, 0x71, 0xBE, + 0x2B, 0x73, 0xAE, 0xF0, 0x85, 0x7D, 0x77, 0x81, + 0x1F, 0x35, 0x2C, 0x07, 0x3B, 0x61, 0x08, 0xD7, + 0x2D, 0x98, 0x10, 0xA3, 0x09, 0x14, 0xDF, 0xF4 }, + { 0xF6, 0x9F, 0x24, 0x45, 0xDF, 0x4F, 0x9B, 0x17, + 0xAD, 0x2B, 0x41, 0x7B, 0xE6, 0x6C, 0x37, 0x10 }, + { 0x79, 0x60, 0x10, 0x9F, 0xB6, 0xDC, 0x42, 0x94, + 0x7F, 0xCF, 0xE5, 0x9E, 0xA3, 0xC5, 0xEB, 0x6B } +} +}; + unsigned char buf[2][16]; + symmetric_key skey; + int err; + unsigned int x; + + for (x = 0; x < sizeof(tests)/sizeof(tests[0]); x++) { + zeromem(&skey, sizeof(skey)); + if ((err = camellia_setup(tests[x].key, tests[x].keylen, 0, &skey)) != CRYPT_OK) { + return err; + } + if ((err = camellia_ecb_encrypt(tests[x].pt, buf[0], &skey)) != CRYPT_OK) { + camellia_done(&skey); + return err; + } + if ((err = camellia_ecb_decrypt(tests[x].ct, buf[1], &skey)) != CRYPT_OK) { + camellia_done(&skey); + return err; + } + camellia_done(&skey); + if (compare_testvector(tests[x].ct, 16, buf[0], 16, "Camellia Encrypt", x) || + compare_testvector(tests[x].pt, 16, buf[1], 16, "Camellia Decrypt", x)) { + return CRYPT_FAIL_TESTVECTOR; + } + } + return CRYPT_OK; +} + +void camellia_done(symmetric_key *skey) +{ + LTC_UNUSED_PARAM(skey); +} + +int camellia_keysize(int *keysize) +{ + if (*keysize >= 32) { *keysize = 32; } + else if (*keysize >= 24) { *keysize = 24; } + else if (*keysize >= 16) { *keysize = 16; } + else return CRYPT_INVALID_KEYSIZE; + return CRYPT_OK; +} + +#endif + +/* ref: $Format:%D$ */ +/* git commit: $Format:%H$ */ +/* commit time: $Format:%ai$ */