/* * ARIA * Adapted for Botan by Jeffrey Walton, public domain * * Further changes * (C) 2017 Jack Lloyd * * Botan is released under the Simplified BSD License (see license.txt) * * This ARIA implementation is based on the 32-bit implementation by Aaram Yun from the * National Security Research Institute, KOREA. Aaram Yun's implementation is based on * the 8-bit implementation by Jin Hong. The source files are available in ARIA.zip from * the Korea Internet & Security Agency website. * RFC 5794, A Description of the ARIA Encryption Algorithm, * Korea * Internet & Security Agency homepage */ #include #include #include namespace Botan { namespace { namespace ARIA_F { BOTAN_ALIGNAS(16) const uint32_t S1[256]={ 0x00636363,0x007c7c7c,0x00777777,0x007b7b7b,0x00f2f2f2,0x006b6b6b,0x006f6f6f,0x00c5c5c5, 0x00303030,0x00010101,0x00676767,0x002b2b2b,0x00fefefe,0x00d7d7d7,0x00ababab,0x00767676, 0x00cacaca,0x00828282,0x00c9c9c9,0x007d7d7d,0x00fafafa,0x00595959,0x00474747,0x00f0f0f0, 0x00adadad,0x00d4d4d4,0x00a2a2a2,0x00afafaf,0x009c9c9c,0x00a4a4a4,0x00727272,0x00c0c0c0, 0x00b7b7b7,0x00fdfdfd,0x00939393,0x00262626,0x00363636,0x003f3f3f,0x00f7f7f7,0x00cccccc, 0x00343434,0x00a5a5a5,0x00e5e5e5,0x00f1f1f1,0x00717171,0x00d8d8d8,0x00313131,0x00151515, 0x00040404,0x00c7c7c7,0x00232323,0x00c3c3c3,0x00181818,0x00969696,0x00050505,0x009a9a9a, 0x00070707,0x00121212,0x00808080,0x00e2e2e2,0x00ebebeb,0x00272727,0x00b2b2b2,0x00757575, 0x00090909,0x00838383,0x002c2c2c,0x001a1a1a,0x001b1b1b,0x006e6e6e,0x005a5a5a,0x00a0a0a0, 0x00525252,0x003b3b3b,0x00d6d6d6,0x00b3b3b3,0x00292929,0x00e3e3e3,0x002f2f2f,0x00848484, 0x00535353,0x00d1d1d1,0x00000000,0x00ededed,0x00202020,0x00fcfcfc,0x00b1b1b1,0x005b5b5b, 0x006a6a6a,0x00cbcbcb,0x00bebebe,0x00393939,0x004a4a4a,0x004c4c4c,0x00585858,0x00cfcfcf, 0x00d0d0d0,0x00efefef,0x00aaaaaa,0x00fbfbfb,0x00434343,0x004d4d4d,0x00333333,0x00858585, 0x00454545,0x00f9f9f9,0x00020202,0x007f7f7f,0x00505050,0x003c3c3c,0x009f9f9f,0x00a8a8a8, 0x00515151,0x00a3a3a3,0x00404040,0x008f8f8f,0x00929292,0x009d9d9d,0x00383838,0x00f5f5f5, 0x00bcbcbc,0x00b6b6b6,0x00dadada,0x00212121,0x00101010,0x00ffffff,0x00f3f3f3,0x00d2d2d2, 0x00cdcdcd,0x000c0c0c,0x00131313,0x00ececec,0x005f5f5f,0x00979797,0x00444444,0x00171717, 0x00c4c4c4,0x00a7a7a7,0x007e7e7e,0x003d3d3d,0x00646464,0x005d5d5d,0x00191919,0x00737373, 0x00606060,0x00818181,0x004f4f4f,0x00dcdcdc,0x00222222,0x002a2a2a,0x00909090,0x00888888, 0x00464646,0x00eeeeee,0x00b8b8b8,0x00141414,0x00dedede,0x005e5e5e,0x000b0b0b,0x00dbdbdb, 0x00e0e0e0,0x00323232,0x003a3a3a,0x000a0a0a,0x00494949,0x00060606,0x00242424,0x005c5c5c, 0x00c2c2c2,0x00d3d3d3,0x00acacac,0x00626262,0x00919191,0x00959595,0x00e4e4e4,0x00797979, 0x00e7e7e7,0x00c8c8c8,0x00373737,0x006d6d6d,0x008d8d8d,0x00d5d5d5,0x004e4e4e,0x00a9a9a9, 0x006c6c6c,0x00565656,0x00f4f4f4,0x00eaeaea,0x00656565,0x007a7a7a,0x00aeaeae,0x00080808, 0x00bababa,0x00787878,0x00252525,0x002e2e2e,0x001c1c1c,0x00a6a6a6,0x00b4b4b4,0x00c6c6c6, 0x00e8e8e8,0x00dddddd,0x00747474,0x001f1f1f,0x004b4b4b,0x00bdbdbd,0x008b8b8b,0x008a8a8a, 0x00707070,0x003e3e3e,0x00b5b5b5,0x00666666,0x00484848,0x00030303,0x00f6f6f6,0x000e0e0e, 0x00616161,0x00353535,0x00575757,0x00b9b9b9,0x00868686,0x00c1c1c1,0x001d1d1d,0x009e9e9e, 0x00e1e1e1,0x00f8f8f8,0x00989898,0x00111111,0x00696969,0x00d9d9d9,0x008e8e8e,0x00949494, 0x009b9b9b,0x001e1e1e,0x00878787,0x00e9e9e9,0x00cecece,0x00555555,0x00282828,0x00dfdfdf, 0x008c8c8c,0x00a1a1a1,0x00898989,0x000d0d0d,0x00bfbfbf,0x00e6e6e6,0x00424242,0x00686868, 0x00414141,0x00999999,0x002d2d2d,0x000f0f0f,0x00b0b0b0,0x00545454,0x00bbbbbb,0x00161616 }; BOTAN_ALIGNAS(16) const uint32_t S2[256]={ 0xe200e2e2,0x4e004e4e,0x54005454,0xfc00fcfc,0x94009494,0xc200c2c2,0x4a004a4a,0xcc00cccc, 0x62006262,0x0d000d0d,0x6a006a6a,0x46004646,0x3c003c3c,0x4d004d4d,0x8b008b8b,0xd100d1d1, 0x5e005e5e,0xfa00fafa,0x64006464,0xcb00cbcb,0xb400b4b4,0x97009797,0xbe00bebe,0x2b002b2b, 0xbc00bcbc,0x77007777,0x2e002e2e,0x03000303,0xd300d3d3,0x19001919,0x59005959,0xc100c1c1, 0x1d001d1d,0x06000606,0x41004141,0x6b006b6b,0x55005555,0xf000f0f0,0x99009999,0x69006969, 0xea00eaea,0x9c009c9c,0x18001818,0xae00aeae,0x63006363,0xdf00dfdf,0xe700e7e7,0xbb00bbbb, 0x00000000,0x73007373,0x66006666,0xfb00fbfb,0x96009696,0x4c004c4c,0x85008585,0xe400e4e4, 0x3a003a3a,0x09000909,0x45004545,0xaa00aaaa,0x0f000f0f,0xee00eeee,0x10001010,0xeb00ebeb, 0x2d002d2d,0x7f007f7f,0xf400f4f4,0x29002929,0xac00acac,0xcf00cfcf,0xad00adad,0x91009191, 0x8d008d8d,0x78007878,0xc800c8c8,0x95009595,0xf900f9f9,0x2f002f2f,0xce00cece,0xcd00cdcd, 0x08000808,0x7a007a7a,0x88008888,0x38003838,0x5c005c5c,0x83008383,0x2a002a2a,0x28002828, 0x47004747,0xdb00dbdb,0xb800b8b8,0xc700c7c7,0x93009393,0xa400a4a4,0x12001212,0x53005353, 0xff00ffff,0x87008787,0x0e000e0e,0x31003131,0x36003636,0x21002121,0x58005858,0x48004848, 0x01000101,0x8e008e8e,0x37003737,0x74007474,0x32003232,0xca00caca,0xe900e9e9,0xb100b1b1, 0xb700b7b7,0xab00abab,0x0c000c0c,0xd700d7d7,0xc400c4c4,0x56005656,0x42004242,0x26002626, 0x07000707,0x98009898,0x60006060,0xd900d9d9,0xb600b6b6,0xb900b9b9,0x11001111,0x40004040, 0xec00ecec,0x20002020,0x8c008c8c,0xbd00bdbd,0xa000a0a0,0xc900c9c9,0x84008484,0x04000404, 0x49004949,0x23002323,0xf100f1f1,0x4f004f4f,0x50005050,0x1f001f1f,0x13001313,0xdc00dcdc, 0xd800d8d8,0xc000c0c0,0x9e009e9e,0x57005757,0xe300e3e3,0xc300c3c3,0x7b007b7b,0x65006565, 0x3b003b3b,0x02000202,0x8f008f8f,0x3e003e3e,0xe800e8e8,0x25002525,0x92009292,0xe500e5e5, 0x15001515,0xdd00dddd,0xfd00fdfd,0x17001717,0xa900a9a9,0xbf00bfbf,0xd400d4d4,0x9a009a9a, 0x7e007e7e,0xc500c5c5,0x39003939,0x67006767,0xfe00fefe,0x76007676,0x9d009d9d,0x43004343, 0xa700a7a7,0xe100e1e1,0xd000d0d0,0xf500f5f5,0x68006868,0xf200f2f2,0x1b001b1b,0x34003434, 0x70007070,0x05000505,0xa300a3a3,0x8a008a8a,0xd500d5d5,0x79007979,0x86008686,0xa800a8a8, 0x30003030,0xc600c6c6,0x51005151,0x4b004b4b,0x1e001e1e,0xa600a6a6,0x27002727,0xf600f6f6, 0x35003535,0xd200d2d2,0x6e006e6e,0x24002424,0x16001616,0x82008282,0x5f005f5f,0xda00dada, 0xe600e6e6,0x75007575,0xa200a2a2,0xef00efef,0x2c002c2c,0xb200b2b2,0x1c001c1c,0x9f009f9f, 0x5d005d5d,0x6f006f6f,0x80008080,0x0a000a0a,0x72007272,0x44004444,0x9b009b9b,0x6c006c6c, 0x90009090,0x0b000b0b,0x5b005b5b,0x33003333,0x7d007d7d,0x5a005a5a,0x52005252,0xf300f3f3, 0x61006161,0xa100a1a1,0xf700f7f7,0xb000b0b0,0xd600d6d6,0x3f003f3f,0x7c007c7c,0x6d006d6d, 0xed00eded,0x14001414,0xe000e0e0,0xa500a5a5,0x3d003d3d,0x22002222,0xb300b3b3,0xf800f8f8, 0x89008989,0xde00dede,0x71007171,0x1a001a1a,0xaf00afaf,0xba00baba,0xb500b5b5,0x81008181 }; BOTAN_ALIGNAS(16) const uint32_t X1[256]={ 0x52520052,0x09090009,0x6a6a006a,0xd5d500d5,0x30300030,0x36360036,0xa5a500a5,0x38380038, 0xbfbf00bf,0x40400040,0xa3a300a3,0x9e9e009e,0x81810081,0xf3f300f3,0xd7d700d7,0xfbfb00fb, 0x7c7c007c,0xe3e300e3,0x39390039,0x82820082,0x9b9b009b,0x2f2f002f,0xffff00ff,0x87870087, 0x34340034,0x8e8e008e,0x43430043,0x44440044,0xc4c400c4,0xdede00de,0xe9e900e9,0xcbcb00cb, 0x54540054,0x7b7b007b,0x94940094,0x32320032,0xa6a600a6,0xc2c200c2,0x23230023,0x3d3d003d, 0xeeee00ee,0x4c4c004c,0x95950095,0x0b0b000b,0x42420042,0xfafa00fa,0xc3c300c3,0x4e4e004e, 0x08080008,0x2e2e002e,0xa1a100a1,0x66660066,0x28280028,0xd9d900d9,0x24240024,0xb2b200b2, 0x76760076,0x5b5b005b,0xa2a200a2,0x49490049,0x6d6d006d,0x8b8b008b,0xd1d100d1,0x25250025, 0x72720072,0xf8f800f8,0xf6f600f6,0x64640064,0x86860086,0x68680068,0x98980098,0x16160016, 0xd4d400d4,0xa4a400a4,0x5c5c005c,0xcccc00cc,0x5d5d005d,0x65650065,0xb6b600b6,0x92920092, 0x6c6c006c,0x70700070,0x48480048,0x50500050,0xfdfd00fd,0xeded00ed,0xb9b900b9,0xdada00da, 0x5e5e005e,0x15150015,0x46460046,0x57570057,0xa7a700a7,0x8d8d008d,0x9d9d009d,0x84840084, 0x90900090,0xd8d800d8,0xabab00ab,0x00000000,0x8c8c008c,0xbcbc00bc,0xd3d300d3,0x0a0a000a, 0xf7f700f7,0xe4e400e4,0x58580058,0x05050005,0xb8b800b8,0xb3b300b3,0x45450045,0x06060006, 0xd0d000d0,0x2c2c002c,0x1e1e001e,0x8f8f008f,0xcaca00ca,0x3f3f003f,0x0f0f000f,0x02020002, 0xc1c100c1,0xafaf00af,0xbdbd00bd,0x03030003,0x01010001,0x13130013,0x8a8a008a,0x6b6b006b, 0x3a3a003a,0x91910091,0x11110011,0x41410041,0x4f4f004f,0x67670067,0xdcdc00dc,0xeaea00ea, 0x97970097,0xf2f200f2,0xcfcf00cf,0xcece00ce,0xf0f000f0,0xb4b400b4,0xe6e600e6,0x73730073, 0x96960096,0xacac00ac,0x74740074,0x22220022,0xe7e700e7,0xadad00ad,0x35350035,0x85850085, 0xe2e200e2,0xf9f900f9,0x37370037,0xe8e800e8,0x1c1c001c,0x75750075,0xdfdf00df,0x6e6e006e, 0x47470047,0xf1f100f1,0x1a1a001a,0x71710071,0x1d1d001d,0x29290029,0xc5c500c5,0x89890089, 0x6f6f006f,0xb7b700b7,0x62620062,0x0e0e000e,0xaaaa00aa,0x18180018,0xbebe00be,0x1b1b001b, 0xfcfc00fc,0x56560056,0x3e3e003e,0x4b4b004b,0xc6c600c6,0xd2d200d2,0x79790079,0x20200020, 0x9a9a009a,0xdbdb00db,0xc0c000c0,0xfefe00fe,0x78780078,0xcdcd00cd,0x5a5a005a,0xf4f400f4, 0x1f1f001f,0xdddd00dd,0xa8a800a8,0x33330033,0x88880088,0x07070007,0xc7c700c7,0x31310031, 0xb1b100b1,0x12120012,0x10100010,0x59590059,0x27270027,0x80800080,0xecec00ec,0x5f5f005f, 0x60600060,0x51510051,0x7f7f007f,0xa9a900a9,0x19190019,0xb5b500b5,0x4a4a004a,0x0d0d000d, 0x2d2d002d,0xe5e500e5,0x7a7a007a,0x9f9f009f,0x93930093,0xc9c900c9,0x9c9c009c,0xefef00ef, 0xa0a000a0,0xe0e000e0,0x3b3b003b,0x4d4d004d,0xaeae00ae,0x2a2a002a,0xf5f500f5,0xb0b000b0, 0xc8c800c8,0xebeb00eb,0xbbbb00bb,0x3c3c003c,0x83830083,0x53530053,0x99990099,0x61610061, 0x17170017,0x2b2b002b,0x04040004,0x7e7e007e,0xbaba00ba,0x77770077,0xd6d600d6,0x26260026, 0xe1e100e1,0x69690069,0x14140014,0x63630063,0x55550055,0x21210021,0x0c0c000c,0x7d7d007d }; BOTAN_ALIGNAS(16) const uint32_t X2[256]={ 0x30303000,0x68686800,0x99999900,0x1b1b1b00,0x87878700,0xb9b9b900,0x21212100,0x78787800, 0x50505000,0x39393900,0xdbdbdb00,0xe1e1e100,0x72727200,0x09090900,0x62626200,0x3c3c3c00, 0x3e3e3e00,0x7e7e7e00,0x5e5e5e00,0x8e8e8e00,0xf1f1f100,0xa0a0a000,0xcccccc00,0xa3a3a300, 0x2a2a2a00,0x1d1d1d00,0xfbfbfb00,0xb6b6b600,0xd6d6d600,0x20202000,0xc4c4c400,0x8d8d8d00, 0x81818100,0x65656500,0xf5f5f500,0x89898900,0xcbcbcb00,0x9d9d9d00,0x77777700,0xc6c6c600, 0x57575700,0x43434300,0x56565600,0x17171700,0xd4d4d400,0x40404000,0x1a1a1a00,0x4d4d4d00, 0xc0c0c000,0x63636300,0x6c6c6c00,0xe3e3e300,0xb7b7b700,0xc8c8c800,0x64646400,0x6a6a6a00, 0x53535300,0xaaaaaa00,0x38383800,0x98989800,0x0c0c0c00,0xf4f4f400,0x9b9b9b00,0xededed00, 0x7f7f7f00,0x22222200,0x76767600,0xafafaf00,0xdddddd00,0x3a3a3a00,0x0b0b0b00,0x58585800, 0x67676700,0x88888800,0x06060600,0xc3c3c300,0x35353500,0x0d0d0d00,0x01010100,0x8b8b8b00, 0x8c8c8c00,0xc2c2c200,0xe6e6e600,0x5f5f5f00,0x02020200,0x24242400,0x75757500,0x93939300, 0x66666600,0x1e1e1e00,0xe5e5e500,0xe2e2e200,0x54545400,0xd8d8d800,0x10101000,0xcecece00, 0x7a7a7a00,0xe8e8e800,0x08080800,0x2c2c2c00,0x12121200,0x97979700,0x32323200,0xababab00, 0xb4b4b400,0x27272700,0x0a0a0a00,0x23232300,0xdfdfdf00,0xefefef00,0xcacaca00,0xd9d9d900, 0xb8b8b800,0xfafafa00,0xdcdcdc00,0x31313100,0x6b6b6b00,0xd1d1d100,0xadadad00,0x19191900, 0x49494900,0xbdbdbd00,0x51515100,0x96969600,0xeeeeee00,0xe4e4e400,0xa8a8a800,0x41414100, 0xdadada00,0xffffff00,0xcdcdcd00,0x55555500,0x86868600,0x36363600,0xbebebe00,0x61616100, 0x52525200,0xf8f8f800,0xbbbbbb00,0x0e0e0e00,0x82828200,0x48484800,0x69696900,0x9a9a9a00, 0xe0e0e000,0x47474700,0x9e9e9e00,0x5c5c5c00,0x04040400,0x4b4b4b00,0x34343400,0x15151500, 0x79797900,0x26262600,0xa7a7a700,0xdedede00,0x29292900,0xaeaeae00,0x92929200,0xd7d7d700, 0x84848400,0xe9e9e900,0xd2d2d200,0xbababa00,0x5d5d5d00,0xf3f3f300,0xc5c5c500,0xb0b0b000, 0xbfbfbf00,0xa4a4a400,0x3b3b3b00,0x71717100,0x44444400,0x46464600,0x2b2b2b00,0xfcfcfc00, 0xebebeb00,0x6f6f6f00,0xd5d5d500,0xf6f6f600,0x14141400,0xfefefe00,0x7c7c7c00,0x70707000, 0x5a5a5a00,0x7d7d7d00,0xfdfdfd00,0x2f2f2f00,0x18181800,0x83838300,0x16161600,0xa5a5a500, 0x91919100,0x1f1f1f00,0x05050500,0x95959500,0x74747400,0xa9a9a900,0xc1c1c100,0x5b5b5b00, 0x4a4a4a00,0x85858500,0x6d6d6d00,0x13131300,0x07070700,0x4f4f4f00,0x4e4e4e00,0x45454500, 0xb2b2b200,0x0f0f0f00,0xc9c9c900,0x1c1c1c00,0xa6a6a600,0xbcbcbc00,0xececec00,0x73737300, 0x90909000,0x7b7b7b00,0xcfcfcf00,0x59595900,0x8f8f8f00,0xa1a1a100,0xf9f9f900,0x2d2d2d00, 0xf2f2f200,0xb1b1b100,0x00000000,0x94949400,0x37373700,0x9f9f9f00,0xd0d0d000,0x2e2e2e00, 0x9c9c9c00,0x6e6e6e00,0x28282800,0x3f3f3f00,0x80808000,0xf0f0f000,0x3d3d3d00,0xd3d3d300, 0x25252500,0x8a8a8a00,0xb5b5b500,0xe7e7e700,0x42424200,0xb3b3b300,0xc7c7c700,0xeaeaea00, 0xf7f7f700,0x4c4c4c00,0x11111100,0x33333300,0x03030300,0xa2a2a200,0xacacac00,0x60606000 }; inline void ARIA_FO(uint32_t& T0, uint32_t& T1, uint32_t& T2, uint32_t& T3) { T0 = S1[get_byte(0,T0)] ^ S2[get_byte(1,T0)] ^ X1[get_byte(2,T0)] ^ X2[get_byte(3,T0)]; T1 = S1[get_byte(0,T1)] ^ S2[get_byte(1,T1)] ^ X1[get_byte(2,T1)] ^ X2[get_byte(3,T1)]; T2 = S1[get_byte(0,T2)] ^ S2[get_byte(1,T2)] ^ X1[get_byte(2,T2)] ^ X2[get_byte(3,T2)]; T3 = S1[get_byte(0,T3)] ^ S2[get_byte(1,T3)] ^ X1[get_byte(2,T3)] ^ X2[get_byte(3,T3)]; T1 ^= T2; T2 ^= T3; T0 ^= T1; T3 ^= T1; T2 ^= T0; T1 ^= T2; T1 = ((T1 << 8) & 0xFF00FF00) | ((T1 >> 8) & 0x00FF00FF); T2 = rotr<16>(T2); T3 = reverse_bytes(T3); T1 ^= T2; T2 ^= T3; T0 ^= T1; T3 ^= T1; T2 ^= T0; T1 ^= T2; } inline void ARIA_FE(uint32_t& T0, uint32_t& T1, uint32_t& T2, uint32_t& T3) { T0 = X1[get_byte(0,T0)] ^ X2[get_byte(1,T0)] ^ S1[get_byte(2,T0)] ^ S2[get_byte(3,T0)]; T1 = X1[get_byte(0,T1)] ^ X2[get_byte(1,T1)] ^ S1[get_byte(2,T1)] ^ S2[get_byte(3,T1)]; T2 = X1[get_byte(0,T2)] ^ X2[get_byte(1,T2)] ^ S1[get_byte(2,T2)] ^ S2[get_byte(3,T2)]; T3 = X1[get_byte(0,T3)] ^ X2[get_byte(1,T3)] ^ S1[get_byte(2,T3)] ^ S2[get_byte(3,T3)]; T1 ^= T2; T2 ^= T3; T0 ^= T1; T3 ^= T1; T2 ^= T0; T1 ^= T2; T3 = ((T3 << 8) & 0xFF00FF00) | ((T3 >> 8) & 0x00FF00FF); T0 = rotr<16>(T0); T1 = reverse_bytes(T1); T1 ^= T2; T2 ^= T3; T0 ^= T1; T3 ^= T1; T2 ^= T0; T1 ^= T2; } /* * ARIA encryption and decryption */ void transform(const uint8_t in[], uint8_t out[], size_t blocks, const secure_vector& KS) { if(KS.empty()) throw Invalid_State("ARIA key was not set"); // Hit every cache line of S1 and S2 const size_t cache_line_size = CPUID::cache_line_size(); /* * This initializer ensures Z == 0xFFFFFFFF for any cache line size * in {32,64,128,256,512} */ volatile uint32_t Z = 0x11101010; for(size_t i = 0; i < 256; i += cache_line_size / sizeof(uint32_t)) { Z |= S1[i] | S2[i]; } const size_t ROUNDS = (KS.size() / 4) - 1; for(size_t i = 0; i != blocks; ++i) { uint32_t t0, t1, t2, t3; load_be(in + 16*i, t0, t1, t2, t3); t0 &= Z; for(size_t r = 0; r < ROUNDS; r += 2) { t0 ^= KS[4*r]; t1 ^= KS[4*r+1]; t2 ^= KS[4*r+2]; t3 ^= KS[4*r+3]; ARIA_FO(t0,t1,t2,t3); t0 ^= KS[4*r+4]; t1 ^= KS[4*r+5]; t2 ^= KS[4*r+6]; t3 ^= KS[4*r+7]; if(r != ROUNDS-2) ARIA_FE(t0,t1,t2,t3); } out[16*i+ 0] = static_cast(X1[get_byte(0,t0)] ) ^ get_byte(0, KS[4*ROUNDS]); out[16*i+ 1] = static_cast(X2[get_byte(1,t0)]>>8) ^ get_byte(1, KS[4*ROUNDS]); out[16*i+ 2] = static_cast(S1[get_byte(2,t0)] ) ^ get_byte(2, KS[4*ROUNDS]); out[16*i+ 3] = static_cast(S2[get_byte(3,t0)] ) ^ get_byte(3, KS[4*ROUNDS]); out[16*i+ 4] = static_cast(X1[get_byte(0,t1)] ) ^ get_byte(0, KS[4*ROUNDS+1]); out[16*i+ 5] = static_cast(X2[get_byte(1,t1)]>>8) ^ get_byte(1, KS[4*ROUNDS+1]); out[16*i+ 6] = static_cast(S1[get_byte(2,t1)] ) ^ get_byte(2, KS[4*ROUNDS+1]); out[16*i+ 7] = static_cast(S2[get_byte(3,t1)] ) ^ get_byte(3, KS[4*ROUNDS+1]); out[16*i+ 8] = static_cast(X1[get_byte(0,t2)] ) ^ get_byte(0, KS[4*ROUNDS+2]); out[16*i+ 9] = static_cast(X2[get_byte(1,t2)]>>8) ^ get_byte(1, KS[4*ROUNDS+2]); out[16*i+10] = static_cast(S1[get_byte(2,t2)] ) ^ get_byte(2, KS[4*ROUNDS+2]); out[16*i+11] = static_cast(S2[get_byte(3,t2)] ) ^ get_byte(3, KS[4*ROUNDS+2]); out[16*i+12] = static_cast(X1[get_byte(0,t3)] ) ^ get_byte(0, KS[4*ROUNDS+3]); out[16*i+13] = static_cast(X2[get_byte(1,t3)]>>8) ^ get_byte(1, KS[4*ROUNDS+3]); out[16*i+14] = static_cast(S1[get_byte(2,t3)] ) ^ get_byte(2, KS[4*ROUNDS+3]); out[16*i+15] = static_cast(S2[get_byte(3,t3)] ) ^ get_byte(3, KS[4*ROUNDS+3]); } } // n-bit right shift of Y XORed to X template inline void ARIA_ROL128(const uint32_t X[4], const uint32_t Y[4], uint32_t KS[4]) { // MSVC is not generating a "rotate immediate". Constify to help it along. static const unsigned int Q = 4 - (N / 32); static const unsigned int R = N % 32; KS[0] = (X[0]) ^ ((Y[(Q )%4])>>R) ^ ((Y[(Q+3)%4])<<(32-R)); KS[1] = (X[1]) ^ ((Y[(Q+1)%4])>>R) ^ ((Y[(Q )%4])<<(32-R)); KS[2] = (X[2]) ^ ((Y[(Q+2)%4])>>R) ^ ((Y[(Q+1)%4])<<(32-R)); KS[3] = (X[3]) ^ ((Y[(Q+3)%4])>>R) ^ ((Y[(Q+2)%4])<<(32-R)); } /* * ARIA Key Schedule */ void key_schedule(secure_vector& ERK, secure_vector& DRK, const uint8_t key[], size_t length) { const uint32_t KRK[3][4] = { {0x517cc1b7, 0x27220a94, 0xfe13abe8, 0xfa9a6ee0}, {0x6db14acc, 0x9e21c820, 0xff28b1d5, 0xef5de2b0}, {0xdb92371d, 0x2126e970, 0x03249775, 0x04e8c90e} }; const size_t CK0 = (length / 8) - 2; const size_t CK1 = (CK0 + 1) % 3; const size_t CK2 = (CK1 + 1) % 3; uint32_t w0[4]; uint32_t w1[4]; uint32_t w2[4]; uint32_t w3[4]; w0[0] = load_be(key,0); w0[1] = load_be(key,1); w0[2] = load_be(key,2); w0[3] = load_be(key,3); w1[0] = w0[0] ^ KRK[CK0][0]; w1[1] = w0[1] ^ KRK[CK0][1]; w1[2] = w0[2] ^ KRK[CK0][2]; w1[3] = w0[3] ^ KRK[CK0][3]; ARIA_FO(w1[0], w1[1], w1[2], w1[3]); if(length == 24 || length == 32) { w1[0] ^= load_be(key,4); w1[1] ^= load_be(key,5); } if(length == 32) { w1[2] ^= load_be(key,6); w1[3] ^= load_be(key,7); } w2[0] = w1[0] ^ KRK[CK1][0]; w2[1] = w1[1] ^ KRK[CK1][1]; w2[2] = w1[2] ^ KRK[CK1][2]; w2[3] = w1[3] ^ KRK[CK1][3]; ARIA_FE(w2[0], w2[1], w2[2], w2[3]); w2[0] ^= w0[0]; w2[1] ^= w0[1]; w2[2] ^= w0[2]; w2[3] ^= w0[3]; w3[0] = w2[0] ^ KRK[CK2][0]; w3[1] = w2[1] ^ KRK[CK2][1]; w3[2] = w2[2] ^ KRK[CK2][2]; w3[3] = w2[3] ^ KRK[CK2][3]; ARIA_FO(w3[0], w3[1], w3[2], w3[3]); w3[0] ^= w1[0]; w3[1] ^= w1[1]; w3[2] ^= w1[2]; w3[3] ^= w1[3]; if(length == 16) ERK.resize(4*13); else if(length == 24) ERK.resize(4*15); else if(length == 32) ERK.resize(4*17); ARIA_ROL128<19>(w0, w1, &ERK[ 0]); ARIA_ROL128<19>(w1, w2, &ERK[ 4]); ARIA_ROL128<19>(w2, w3, &ERK[ 8]); ARIA_ROL128<19>(w3, w0, &ERK[12]); ARIA_ROL128<31>(w0, w1, &ERK[16]); ARIA_ROL128<31>(w1, w2, &ERK[20]); ARIA_ROL128<31>(w2, w3, &ERK[24]); ARIA_ROL128<31>(w3, w0, &ERK[28]); ARIA_ROL128<67>(w0, w1, &ERK[32]); ARIA_ROL128<67>(w1, w2, &ERK[36]); ARIA_ROL128<67>(w2, w3, &ERK[40]); ARIA_ROL128<67>(w3, w0, &ERK[44]); ARIA_ROL128<97>(w0, w1, &ERK[48]); if(length == 24 || length == 32) { ARIA_ROL128<97>(w1, w2, &ERK[52]); ARIA_ROL128<97>(w2, w3, &ERK[56]); if(length == 32) { ARIA_ROL128< 97>(w3, w0, &ERK[60]); ARIA_ROL128<109>(w0, w1, &ERK[64]); } } // Now create the decryption key schedule DRK.resize(ERK.size()); for(size_t i = 0; i != DRK.size(); i += 4) { DRK[i ] = ERK[ERK.size()-4-i]; DRK[i+1] = ERK[ERK.size()-3-i]; DRK[i+2] = ERK[ERK.size()-2-i]; DRK[i+3] = ERK[ERK.size()-1-i]; } for(size_t i = 4; i != DRK.size() - 4; i += 4) { for(size_t j = 0; j != 4; ++j) { DRK[i+j] = rotr<8>(DRK[i+j]) ^ rotr<16>(DRK[i+j]) ^ rotr<24>(DRK[i+j]); } DRK[i+1] ^= DRK[i+2]; DRK[i+2] ^= DRK[i+3]; DRK[i+0] ^= DRK[i+1]; DRK[i+3] ^= DRK[i+1]; DRK[i+2] ^= DRK[i+0]; DRK[i+1] ^= DRK[i+2]; DRK[i+1] = ((DRK[i+1] << 8) & 0xFF00FF00) | ((DRK[i+1] >> 8) & 0x00FF00FF); DRK[i+2] = rotr<16>(DRK[i+2]); DRK[i+3] = reverse_bytes(DRK[i+3]); DRK[i+1] ^= DRK[i+2]; DRK[i+2] ^= DRK[i+3]; DRK[i+0] ^= DRK[i+1]; DRK[i+3] ^= DRK[i+1]; DRK[i+2] ^= DRK[i+0]; DRK[i+1] ^= DRK[i+2]; } } } } void ARIA_128::encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const { ARIA_F::transform(in, out, blocks, m_ERK); } void ARIA_192::encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const { ARIA_F::transform(in, out, blocks, m_ERK); } void ARIA_256::encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const { ARIA_F::transform(in, out, blocks, m_ERK); } void ARIA_128::decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const { ARIA_F::transform(in, out, blocks, m_DRK); } void ARIA_192::decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const { ARIA_F::transform(in, out, blocks, m_DRK); } void ARIA_256::decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const { ARIA_F::transform(in, out, blocks, m_DRK); } void ARIA_128::key_schedule(const uint8_t key[], size_t length) { ARIA_F::key_schedule(m_ERK, m_DRK, key, length); } void ARIA_192::key_schedule(const uint8_t key[], size_t length) { ARIA_F::key_schedule(m_ERK, m_DRK, key, length); } void ARIA_256::key_schedule(const uint8_t key[], size_t length) { ARIA_F::key_schedule(m_ERK, m_DRK, key, length); } void ARIA_128::clear() { zap(m_ERK); zap(m_DRK); } void ARIA_192::clear() { zap(m_ERK); zap(m_DRK); } void ARIA_256::clear() { zap(m_ERK); zap(m_DRK); } }