diff options
-rw-r--r-- | crypto/src/crypto/engines/AesEngine.cs | 890 | ||||
-rw-r--r-- | crypto/src/crypto/engines/AesFastEngine.cs | 1056 | ||||
-rw-r--r-- | crypto/src/crypto/engines/AesLightEngine.cs | 658 |
3 files changed, 1302 insertions, 1302 deletions
diff --git a/crypto/src/crypto/engines/AesEngine.cs b/crypto/src/crypto/engines/AesEngine.cs index 47eaada3e..51c9052dc 100644 --- a/crypto/src/crypto/engines/AesEngine.cs +++ b/crypto/src/crypto/engines/AesEngine.cs @@ -6,288 +6,288 @@ using Org.BouncyCastle.Crypto.Utilities; namespace Org.BouncyCastle.Crypto.Engines { - /** - * an implementation of the AES (Rijndael), from FIPS-197. - * <p> - * For further details see: <a href="http://csrc.nist.gov/encryption/aes/">http://csrc.nist.gov/encryption/aes/</a>. - * - * This implementation is based on optimizations from Dr. Brian Gladman's paper and C code at - * <a href="http://fp.gladman.plus.com/cryptography_technology/rijndael/">http://fp.gladman.plus.com/cryptography_technology/rijndael/</a> - * - * There are three levels of tradeoff of speed vs memory - * Because java has no preprocessor, they are written as three separate classes from which to choose - * - * The fastest uses 8Kbytes of static tables to precompute round calculations, 4 256 word tables for encryption - * and 4 for decryption. - * - * The middle performance version uses only one 256 word table for each, for a total of 2Kbytes, - * adding 12 rotate operations per round to compute the values contained in the other tables from - * the contents of the first. - * - * The slowest version uses no static tables at all and computes the values in each round. - * </p> - * <p> - * This file contains the middle performance version with 2Kbytes of static tables for round precomputation. - * </p> - */ - public class AesEngine - : IBlockCipher - { - // The S box - private static readonly byte[] S = - { - 99, 124, 119, 123, 242, 107, 111, 197, - 48, 1, 103, 43, 254, 215, 171, 118, - 202, 130, 201, 125, 250, 89, 71, 240, - 173, 212, 162, 175, 156, 164, 114, 192, - 183, 253, 147, 38, 54, 63, 247, 204, - 52, 165, 229, 241, 113, 216, 49, 21, - 4, 199, 35, 195, 24, 150, 5, 154, - 7, 18, 128, 226, 235, 39, 178, 117, - 9, 131, 44, 26, 27, 110, 90, 160, - 82, 59, 214, 179, 41, 227, 47, 132, - 83, 209, 0, 237, 32, 252, 177, 91, - 106, 203, 190, 57, 74, 76, 88, 207, - 208, 239, 170, 251, 67, 77, 51, 133, - 69, 249, 2, 127, 80, 60, 159, 168, - 81, 163, 64, 143, 146, 157, 56, 245, - 188, 182, 218, 33, 16, 255, 243, 210, - 205, 12, 19, 236, 95, 151, 68, 23, - 196, 167, 126, 61, 100, 93, 25, 115, - 96, 129, 79, 220, 34, 42, 144, 136, - 70, 238, 184, 20, 222, 94, 11, 219, - 224, 50, 58, 10, 73, 6, 36, 92, - 194, 211, 172, 98, 145, 149, 228, 121, - 231, 200, 55, 109, 141, 213, 78, 169, - 108, 86, 244, 234, 101, 122, 174, 8, - 186, 120, 37, 46, 28, 166, 180, 198, - 232, 221, 116, 31, 75, 189, 139, 138, - 112, 62, 181, 102, 72, 3, 246, 14, - 97, 53, 87, 185, 134, 193, 29, 158, - 225, 248, 152, 17, 105, 217, 142, 148, - 155, 30, 135, 233, 206, 85, 40, 223, - 140, 161, 137, 13, 191, 230, 66, 104, - 65, 153, 45, 15, 176, 84, 187, 22, - }; - - // The inverse S-box - private static readonly byte[] Si = - { - 82, 9, 106, 213, 48, 54, 165, 56, - 191, 64, 163, 158, 129, 243, 215, 251, - 124, 227, 57, 130, 155, 47, 255, 135, - 52, 142, 67, 68, 196, 222, 233, 203, - 84, 123, 148, 50, 166, 194, 35, 61, - 238, 76, 149, 11, 66, 250, 195, 78, - 8, 46, 161, 102, 40, 217, 36, 178, - 118, 91, 162, 73, 109, 139, 209, 37, - 114, 248, 246, 100, 134, 104, 152, 22, - 212, 164, 92, 204, 93, 101, 182, 146, - 108, 112, 72, 80, 253, 237, 185, 218, - 94, 21, 70, 87, 167, 141, 157, 132, - 144, 216, 171, 0, 140, 188, 211, 10, - 247, 228, 88, 5, 184, 179, 69, 6, - 208, 44, 30, 143, 202, 63, 15, 2, - 193, 175, 189, 3, 1, 19, 138, 107, - 58, 145, 17, 65, 79, 103, 220, 234, - 151, 242, 207, 206, 240, 180, 230, 115, - 150, 172, 116, 34, 231, 173, 53, 133, - 226, 249, 55, 232, 28, 117, 223, 110, - 71, 241, 26, 113, 29, 41, 197, 137, - 111, 183, 98, 14, 170, 24, 190, 27, - 252, 86, 62, 75, 198, 210, 121, 32, - 154, 219, 192, 254, 120, 205, 90, 244, - 31, 221, 168, 51, 136, 7, 199, 49, - 177, 18, 16, 89, 39, 128, 236, 95, - 96, 81, 127, 169, 25, 181, 74, 13, - 45, 229, 122, 159, 147, 201, 156, 239, - 160, 224, 59, 77, 174, 42, 245, 176, - 200, 235, 187, 60, 131, 83, 153, 97, - 23, 43, 4, 126, 186, 119, 214, 38, - 225, 105, 20, 99, 85, 33, 12, 125, - }; - - // vector used in calculating key schedule (powers of x in GF(256)) - private static readonly byte[] rcon = - { - 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, - 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91 - }; - - // precomputation tables of calculations for rounds - private static readonly uint[] T0 = - { - 0xa56363c6, 0x847c7cf8, 0x997777ee, 0x8d7b7bf6, 0x0df2f2ff, - 0xbd6b6bd6, 0xb16f6fde, 0x54c5c591, 0x50303060, 0x03010102, - 0xa96767ce, 0x7d2b2b56, 0x19fefee7, 0x62d7d7b5, 0xe6abab4d, - 0x9a7676ec, 0x45caca8f, 0x9d82821f, 0x40c9c989, 0x877d7dfa, - 0x15fafaef, 0xeb5959b2, 0xc947478e, 0x0bf0f0fb, 0xecadad41, - 0x67d4d4b3, 0xfda2a25f, 0xeaafaf45, 0xbf9c9c23, 0xf7a4a453, - 0x967272e4, 0x5bc0c09b, 0xc2b7b775, 0x1cfdfde1, 0xae93933d, - 0x6a26264c, 0x5a36366c, 0x413f3f7e, 0x02f7f7f5, 0x4fcccc83, - 0x5c343468, 0xf4a5a551, 0x34e5e5d1, 0x08f1f1f9, 0x937171e2, - 0x73d8d8ab, 0x53313162, 0x3f15152a, 0x0c040408, 0x52c7c795, - 0x65232346, 0x5ec3c39d, 0x28181830, 0xa1969637, 0x0f05050a, - 0xb59a9a2f, 0x0907070e, 0x36121224, 0x9b80801b, 0x3de2e2df, - 0x26ebebcd, 0x6927274e, 0xcdb2b27f, 0x9f7575ea, 0x1b090912, - 0x9e83831d, 0x742c2c58, 0x2e1a1a34, 0x2d1b1b36, 0xb26e6edc, - 0xee5a5ab4, 0xfba0a05b, 0xf65252a4, 0x4d3b3b76, 0x61d6d6b7, - 0xceb3b37d, 0x7b292952, 0x3ee3e3dd, 0x712f2f5e, 0x97848413, - 0xf55353a6, 0x68d1d1b9, 0x00000000, 0x2cededc1, 0x60202040, - 0x1ffcfce3, 0xc8b1b179, 0xed5b5bb6, 0xbe6a6ad4, 0x46cbcb8d, - 0xd9bebe67, 0x4b393972, 0xde4a4a94, 0xd44c4c98, 0xe85858b0, - 0x4acfcf85, 0x6bd0d0bb, 0x2aefefc5, 0xe5aaaa4f, 0x16fbfbed, - 0xc5434386, 0xd74d4d9a, 0x55333366, 0x94858511, 0xcf45458a, - 0x10f9f9e9, 0x06020204, 0x817f7ffe, 0xf05050a0, 0x443c3c78, - 0xba9f9f25, 0xe3a8a84b, 0xf35151a2, 0xfea3a35d, 0xc0404080, - 0x8a8f8f05, 0xad92923f, 0xbc9d9d21, 0x48383870, 0x04f5f5f1, - 0xdfbcbc63, 0xc1b6b677, 0x75dadaaf, 0x63212142, 0x30101020, - 0x1affffe5, 0x0ef3f3fd, 0x6dd2d2bf, 0x4ccdcd81, 0x140c0c18, - 0x35131326, 0x2fececc3, 0xe15f5fbe, 0xa2979735, 0xcc444488, - 0x3917172e, 0x57c4c493, 0xf2a7a755, 0x827e7efc, 0x473d3d7a, - 0xac6464c8, 0xe75d5dba, 0x2b191932, 0x957373e6, 0xa06060c0, - 0x98818119, 0xd14f4f9e, 0x7fdcdca3, 0x66222244, 0x7e2a2a54, - 0xab90903b, 0x8388880b, 0xca46468c, 0x29eeeec7, 0xd3b8b86b, - 0x3c141428, 0x79dedea7, 0xe25e5ebc, 0x1d0b0b16, 0x76dbdbad, - 0x3be0e0db, 0x56323264, 0x4e3a3a74, 0x1e0a0a14, 0xdb494992, - 0x0a06060c, 0x6c242448, 0xe45c5cb8, 0x5dc2c29f, 0x6ed3d3bd, - 0xefacac43, 0xa66262c4, 0xa8919139, 0xa4959531, 0x37e4e4d3, - 0x8b7979f2, 0x32e7e7d5, 0x43c8c88b, 0x5937376e, 0xb76d6dda, - 0x8c8d8d01, 0x64d5d5b1, 0xd24e4e9c, 0xe0a9a949, 0xb46c6cd8, - 0xfa5656ac, 0x07f4f4f3, 0x25eaeacf, 0xaf6565ca, 0x8e7a7af4, - 0xe9aeae47, 0x18080810, 0xd5baba6f, 0x887878f0, 0x6f25254a, - 0x722e2e5c, 0x241c1c38, 0xf1a6a657, 0xc7b4b473, 0x51c6c697, - 0x23e8e8cb, 0x7cdddda1, 0x9c7474e8, 0x211f1f3e, 0xdd4b4b96, - 0xdcbdbd61, 0x868b8b0d, 0x858a8a0f, 0x907070e0, 0x423e3e7c, - 0xc4b5b571, 0xaa6666cc, 0xd8484890, 0x05030306, 0x01f6f6f7, - 0x120e0e1c, 0xa36161c2, 0x5f35356a, 0xf95757ae, 0xd0b9b969, - 0x91868617, 0x58c1c199, 0x271d1d3a, 0xb99e9e27, 0x38e1e1d9, - 0x13f8f8eb, 0xb398982b, 0x33111122, 0xbb6969d2, 0x70d9d9a9, - 0x898e8e07, 0xa7949433, 0xb69b9b2d, 0x221e1e3c, 0x92878715, - 0x20e9e9c9, 0x49cece87, 0xff5555aa, 0x78282850, 0x7adfdfa5, - 0x8f8c8c03, 0xf8a1a159, 0x80898909, 0x170d0d1a, 0xdabfbf65, - 0x31e6e6d7, 0xc6424284, 0xb86868d0, 0xc3414182, 0xb0999929, - 0x772d2d5a, 0x110f0f1e, 0xcbb0b07b, 0xfc5454a8, 0xd6bbbb6d, - 0x3a16162c - }; - - private static readonly uint[] Tinv0 = - { - 0x50a7f451, 0x5365417e, 0xc3a4171a, 0x965e273a, 0xcb6bab3b, - 0xf1459d1f, 0xab58faac, 0x9303e34b, 0x55fa3020, 0xf66d76ad, - 0x9176cc88, 0x254c02f5, 0xfcd7e54f, 0xd7cb2ac5, 0x80443526, - 0x8fa362b5, 0x495ab1de, 0x671bba25, 0x980eea45, 0xe1c0fe5d, - 0x02752fc3, 0x12f04c81, 0xa397468d, 0xc6f9d36b, 0xe75f8f03, - 0x959c9215, 0xeb7a6dbf, 0xda595295, 0x2d83bed4, 0xd3217458, - 0x2969e049, 0x44c8c98e, 0x6a89c275, 0x78798ef4, 0x6b3e5899, - 0xdd71b927, 0xb64fe1be, 0x17ad88f0, 0x66ac20c9, 0xb43ace7d, - 0x184adf63, 0x82311ae5, 0x60335197, 0x457f5362, 0xe07764b1, - 0x84ae6bbb, 0x1ca081fe, 0x942b08f9, 0x58684870, 0x19fd458f, - 0x876cde94, 0xb7f87b52, 0x23d373ab, 0xe2024b72, 0x578f1fe3, - 0x2aab5566, 0x0728ebb2, 0x03c2b52f, 0x9a7bc586, 0xa50837d3, - 0xf2872830, 0xb2a5bf23, 0xba6a0302, 0x5c8216ed, 0x2b1ccf8a, - 0x92b479a7, 0xf0f207f3, 0xa1e2694e, 0xcdf4da65, 0xd5be0506, - 0x1f6234d1, 0x8afea6c4, 0x9d532e34, 0xa055f3a2, 0x32e18a05, - 0x75ebf6a4, 0x39ec830b, 0xaaef6040, 0x069f715e, 0x51106ebd, - 0xf98a213e, 0x3d06dd96, 0xae053edd, 0x46bde64d, 0xb58d5491, - 0x055dc471, 0x6fd40604, 0xff155060, 0x24fb9819, 0x97e9bdd6, - 0xcc434089, 0x779ed967, 0xbd42e8b0, 0x888b8907, 0x385b19e7, - 0xdbeec879, 0x470a7ca1, 0xe90f427c, 0xc91e84f8, 0x00000000, - 0x83868009, 0x48ed2b32, 0xac70111e, 0x4e725a6c, 0xfbff0efd, - 0x5638850f, 0x1ed5ae3d, 0x27392d36, 0x64d90f0a, 0x21a65c68, - 0xd1545b9b, 0x3a2e3624, 0xb1670a0c, 0x0fe75793, 0xd296eeb4, - 0x9e919b1b, 0x4fc5c080, 0xa220dc61, 0x694b775a, 0x161a121c, - 0x0aba93e2, 0xe52aa0c0, 0x43e0223c, 0x1d171b12, 0x0b0d090e, - 0xadc78bf2, 0xb9a8b62d, 0xc8a91e14, 0x8519f157, 0x4c0775af, - 0xbbdd99ee, 0xfd607fa3, 0x9f2601f7, 0xbcf5725c, 0xc53b6644, - 0x347efb5b, 0x7629438b, 0xdcc623cb, 0x68fcedb6, 0x63f1e4b8, - 0xcadc31d7, 0x10856342, 0x40229713, 0x2011c684, 0x7d244a85, - 0xf83dbbd2, 0x1132f9ae, 0x6da129c7, 0x4b2f9e1d, 0xf330b2dc, - 0xec52860d, 0xd0e3c177, 0x6c16b32b, 0x99b970a9, 0xfa489411, - 0x2264e947, 0xc48cfca8, 0x1a3ff0a0, 0xd82c7d56, 0xef903322, - 0xc74e4987, 0xc1d138d9, 0xfea2ca8c, 0x360bd498, 0xcf81f5a6, - 0x28de7aa5, 0x268eb7da, 0xa4bfad3f, 0xe49d3a2c, 0x0d927850, - 0x9bcc5f6a, 0x62467e54, 0xc2138df6, 0xe8b8d890, 0x5ef7392e, - 0xf5afc382, 0xbe805d9f, 0x7c93d069, 0xa92dd56f, 0xb31225cf, - 0x3b99acc8, 0xa77d1810, 0x6e639ce8, 0x7bbb3bdb, 0x097826cd, - 0xf418596e, 0x01b79aec, 0xa89a4f83, 0x656e95e6, 0x7ee6ffaa, - 0x08cfbc21, 0xe6e815ef, 0xd99be7ba, 0xce366f4a, 0xd4099fea, - 0xd67cb029, 0xafb2a431, 0x31233f2a, 0x3094a5c6, 0xc066a235, - 0x37bc4e74, 0xa6ca82fc, 0xb0d090e0, 0x15d8a733, 0x4a9804f1, - 0xf7daec41, 0x0e50cd7f, 0x2ff69117, 0x8dd64d76, 0x4db0ef43, - 0x544daacc, 0xdf0496e4, 0xe3b5d19e, 0x1b886a4c, 0xb81f2cc1, - 0x7f516546, 0x04ea5e9d, 0x5d358c01, 0x737487fa, 0x2e410bfb, - 0x5a1d67b3, 0x52d2db92, 0x335610e9, 0x1347d66d, 0x8c61d79a, - 0x7a0ca137, 0x8e14f859, 0x893c13eb, 0xee27a9ce, 0x35c961b7, - 0xede51ce1, 0x3cb1477a, 0x59dfd29c, 0x3f73f255, 0x79ce1418, - 0xbf37c773, 0xeacdf753, 0x5baafd5f, 0x146f3ddf, 0x86db4478, - 0x81f3afca, 0x3ec468b9, 0x2c342438, 0x5f40a3c2, 0x72c31d16, - 0x0c25e2bc, 0x8b493c28, 0x41950dff, 0x7101a839, 0xdeb30c08, - 0x9ce4b4d8, 0x90c15664, 0x6184cb7b, 0x70b632d5, 0x745c6c48, - 0x4257b8d0 - }; - - private static uint Shift(uint r, int shift) - { - return (r >> shift) | (r << (32 - shift)); - } - - /* multiply four bytes in GF(2^8) by 'x' {02} in parallel */ - - private const uint m1 = 0x80808080; - private const uint m2 = 0x7f7f7f7f; - private const uint m3 = 0x0000001b; - - private static uint FFmulX(uint x) - { - return ((x & m2) << 1) ^ (((x & m1) >> 7) * m3); - } - - /* - The following defines provide alternative definitions of FFmulX that might - give improved performance if a fast 32-bit multiply is not available. - - private int FFmulX(int x) { int u = x & m1; u |= (u >> 1); return ((x & m2) << 1) ^ ((u >>> 3) | (u >>> 6)); } - private static final int m4 = 0x1b1b1b1b; - private int FFmulX(int x) { int u = x & m1; return ((x & m2) << 1) ^ ((u - (u >>> 7)) & m4); } - - */ - - private static uint Inv_Mcol(uint x) - { - uint f2 = FFmulX(x); - uint f4 = FFmulX(f2); - uint f8 = FFmulX(f4); - uint f9 = x ^ f8; - - return f2 ^ f4 ^ f8 ^ Shift(f2 ^ f9, 8) ^ Shift(f4 ^ f9, 16) ^ Shift(f9, 24); - } - - private static uint SubWord(uint x) - { - return (uint)S[x&255] - | (((uint)S[(x>>8)&255]) << 8) - | (((uint)S[(x>>16)&255]) << 16) - | (((uint)S[(x>>24)&255]) << 24); - } - - /** - * Calculate the necessary round keys - * The number of calculations depends on key size and block size - * AES specified a fixed block size of 128 bits and key sizes 128/192/256 bits - * This code is written assuming those are the only possible values - */ - private uint[][] GenerateWorkingKey( - byte[] key, - bool forEncryption) - { - int KC = key.Length / 4; // key length in words - int t; - - if ((KC != 4) && (KC != 6) && (KC != 8)) - throw new ArgumentException("Key length not 128/192/256 bits."); - - ROUNDS = KC + 6; // This is not always true for the generalized Rijndael that allows larger block sizes + /** + * an implementation of the AES (Rijndael), from FIPS-197. + * <p> + * For further details see: <a href="http://csrc.nist.gov/encryption/aes/">http://csrc.nist.gov/encryption/aes/</a>. + * + * This implementation is based on optimizations from Dr. Brian Gladman's paper and C code at + * <a href="http://fp.gladman.plus.com/cryptography_technology/rijndael/">http://fp.gladman.plus.com/cryptography_technology/rijndael/</a> + * + * There are three levels of tradeoff of speed vs memory + * Because java has no preprocessor, they are written as three separate classes from which to choose + * + * The fastest uses 8Kbytes of static tables to precompute round calculations, 4 256 word tables for encryption + * and 4 for decryption. + * + * The middle performance version uses only one 256 word table for each, for a total of 2Kbytes, + * adding 12 rotate operations per round to compute the values contained in the other tables from + * the contents of the first. + * + * The slowest version uses no static tables at all and computes the values in each round. + * </p> + * <p> + * This file contains the middle performance version with 2Kbytes of static tables for round precomputation. + * </p> + */ + public class AesEngine + : IBlockCipher + { + // The S box + private static readonly byte[] S = + { + 99, 124, 119, 123, 242, 107, 111, 197, + 48, 1, 103, 43, 254, 215, 171, 118, + 202, 130, 201, 125, 250, 89, 71, 240, + 173, 212, 162, 175, 156, 164, 114, 192, + 183, 253, 147, 38, 54, 63, 247, 204, + 52, 165, 229, 241, 113, 216, 49, 21, + 4, 199, 35, 195, 24, 150, 5, 154, + 7, 18, 128, 226, 235, 39, 178, 117, + 9, 131, 44, 26, 27, 110, 90, 160, + 82, 59, 214, 179, 41, 227, 47, 132, + 83, 209, 0, 237, 32, 252, 177, 91, + 106, 203, 190, 57, 74, 76, 88, 207, + 208, 239, 170, 251, 67, 77, 51, 133, + 69, 249, 2, 127, 80, 60, 159, 168, + 81, 163, 64, 143, 146, 157, 56, 245, + 188, 182, 218, 33, 16, 255, 243, 210, + 205, 12, 19, 236, 95, 151, 68, 23, + 196, 167, 126, 61, 100, 93, 25, 115, + 96, 129, 79, 220, 34, 42, 144, 136, + 70, 238, 184, 20, 222, 94, 11, 219, + 224, 50, 58, 10, 73, 6, 36, 92, + 194, 211, 172, 98, 145, 149, 228, 121, + 231, 200, 55, 109, 141, 213, 78, 169, + 108, 86, 244, 234, 101, 122, 174, 8, + 186, 120, 37, 46, 28, 166, 180, 198, + 232, 221, 116, 31, 75, 189, 139, 138, + 112, 62, 181, 102, 72, 3, 246, 14, + 97, 53, 87, 185, 134, 193, 29, 158, + 225, 248, 152, 17, 105, 217, 142, 148, + 155, 30, 135, 233, 206, 85, 40, 223, + 140, 161, 137, 13, 191, 230, 66, 104, + 65, 153, 45, 15, 176, 84, 187, 22, + }; + + // The inverse S-box + private static readonly byte[] Si = + { + 82, 9, 106, 213, 48, 54, 165, 56, + 191, 64, 163, 158, 129, 243, 215, 251, + 124, 227, 57, 130, 155, 47, 255, 135, + 52, 142, 67, 68, 196, 222, 233, 203, + 84, 123, 148, 50, 166, 194, 35, 61, + 238, 76, 149, 11, 66, 250, 195, 78, + 8, 46, 161, 102, 40, 217, 36, 178, + 118, 91, 162, 73, 109, 139, 209, 37, + 114, 248, 246, 100, 134, 104, 152, 22, + 212, 164, 92, 204, 93, 101, 182, 146, + 108, 112, 72, 80, 253, 237, 185, 218, + 94, 21, 70, 87, 167, 141, 157, 132, + 144, 216, 171, 0, 140, 188, 211, 10, + 247, 228, 88, 5, 184, 179, 69, 6, + 208, 44, 30, 143, 202, 63, 15, 2, + 193, 175, 189, 3, 1, 19, 138, 107, + 58, 145, 17, 65, 79, 103, 220, 234, + 151, 242, 207, 206, 240, 180, 230, 115, + 150, 172, 116, 34, 231, 173, 53, 133, + 226, 249, 55, 232, 28, 117, 223, 110, + 71, 241, 26, 113, 29, 41, 197, 137, + 111, 183, 98, 14, 170, 24, 190, 27, + 252, 86, 62, 75, 198, 210, 121, 32, + 154, 219, 192, 254, 120, 205, 90, 244, + 31, 221, 168, 51, 136, 7, 199, 49, + 177, 18, 16, 89, 39, 128, 236, 95, + 96, 81, 127, 169, 25, 181, 74, 13, + 45, 229, 122, 159, 147, 201, 156, 239, + 160, 224, 59, 77, 174, 42, 245, 176, + 200, 235, 187, 60, 131, 83, 153, 97, + 23, 43, 4, 126, 186, 119, 214, 38, + 225, 105, 20, 99, 85, 33, 12, 125, + }; + + // vector used in calculating key schedule (powers of x in GF(256)) + private static readonly byte[] rcon = + { + 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, + 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91 + }; + + // precomputation tables of calculations for rounds + private static readonly uint[] T0 = + { + 0xa56363c6, 0x847c7cf8, 0x997777ee, 0x8d7b7bf6, 0x0df2f2ff, + 0xbd6b6bd6, 0xb16f6fde, 0x54c5c591, 0x50303060, 0x03010102, + 0xa96767ce, 0x7d2b2b56, 0x19fefee7, 0x62d7d7b5, 0xe6abab4d, + 0x9a7676ec, 0x45caca8f, 0x9d82821f, 0x40c9c989, 0x877d7dfa, + 0x15fafaef, 0xeb5959b2, 0xc947478e, 0x0bf0f0fb, 0xecadad41, + 0x67d4d4b3, 0xfda2a25f, 0xeaafaf45, 0xbf9c9c23, 0xf7a4a453, + 0x967272e4, 0x5bc0c09b, 0xc2b7b775, 0x1cfdfde1, 0xae93933d, + 0x6a26264c, 0x5a36366c, 0x413f3f7e, 0x02f7f7f5, 0x4fcccc83, + 0x5c343468, 0xf4a5a551, 0x34e5e5d1, 0x08f1f1f9, 0x937171e2, + 0x73d8d8ab, 0x53313162, 0x3f15152a, 0x0c040408, 0x52c7c795, + 0x65232346, 0x5ec3c39d, 0x28181830, 0xa1969637, 0x0f05050a, + 0xb59a9a2f, 0x0907070e, 0x36121224, 0x9b80801b, 0x3de2e2df, + 0x26ebebcd, 0x6927274e, 0xcdb2b27f, 0x9f7575ea, 0x1b090912, + 0x9e83831d, 0x742c2c58, 0x2e1a1a34, 0x2d1b1b36, 0xb26e6edc, + 0xee5a5ab4, 0xfba0a05b, 0xf65252a4, 0x4d3b3b76, 0x61d6d6b7, + 0xceb3b37d, 0x7b292952, 0x3ee3e3dd, 0x712f2f5e, 0x97848413, + 0xf55353a6, 0x68d1d1b9, 0x00000000, 0x2cededc1, 0x60202040, + 0x1ffcfce3, 0xc8b1b179, 0xed5b5bb6, 0xbe6a6ad4, 0x46cbcb8d, + 0xd9bebe67, 0x4b393972, 0xde4a4a94, 0xd44c4c98, 0xe85858b0, + 0x4acfcf85, 0x6bd0d0bb, 0x2aefefc5, 0xe5aaaa4f, 0x16fbfbed, + 0xc5434386, 0xd74d4d9a, 0x55333366, 0x94858511, 0xcf45458a, + 0x10f9f9e9, 0x06020204, 0x817f7ffe, 0xf05050a0, 0x443c3c78, + 0xba9f9f25, 0xe3a8a84b, 0xf35151a2, 0xfea3a35d, 0xc0404080, + 0x8a8f8f05, 0xad92923f, 0xbc9d9d21, 0x48383870, 0x04f5f5f1, + 0xdfbcbc63, 0xc1b6b677, 0x75dadaaf, 0x63212142, 0x30101020, + 0x1affffe5, 0x0ef3f3fd, 0x6dd2d2bf, 0x4ccdcd81, 0x140c0c18, + 0x35131326, 0x2fececc3, 0xe15f5fbe, 0xa2979735, 0xcc444488, + 0x3917172e, 0x57c4c493, 0xf2a7a755, 0x827e7efc, 0x473d3d7a, + 0xac6464c8, 0xe75d5dba, 0x2b191932, 0x957373e6, 0xa06060c0, + 0x98818119, 0xd14f4f9e, 0x7fdcdca3, 0x66222244, 0x7e2a2a54, + 0xab90903b, 0x8388880b, 0xca46468c, 0x29eeeec7, 0xd3b8b86b, + 0x3c141428, 0x79dedea7, 0xe25e5ebc, 0x1d0b0b16, 0x76dbdbad, + 0x3be0e0db, 0x56323264, 0x4e3a3a74, 0x1e0a0a14, 0xdb494992, + 0x0a06060c, 0x6c242448, 0xe45c5cb8, 0x5dc2c29f, 0x6ed3d3bd, + 0xefacac43, 0xa66262c4, 0xa8919139, 0xa4959531, 0x37e4e4d3, + 0x8b7979f2, 0x32e7e7d5, 0x43c8c88b, 0x5937376e, 0xb76d6dda, + 0x8c8d8d01, 0x64d5d5b1, 0xd24e4e9c, 0xe0a9a949, 0xb46c6cd8, + 0xfa5656ac, 0x07f4f4f3, 0x25eaeacf, 0xaf6565ca, 0x8e7a7af4, + 0xe9aeae47, 0x18080810, 0xd5baba6f, 0x887878f0, 0x6f25254a, + 0x722e2e5c, 0x241c1c38, 0xf1a6a657, 0xc7b4b473, 0x51c6c697, + 0x23e8e8cb, 0x7cdddda1, 0x9c7474e8, 0x211f1f3e, 0xdd4b4b96, + 0xdcbdbd61, 0x868b8b0d, 0x858a8a0f, 0x907070e0, 0x423e3e7c, + 0xc4b5b571, 0xaa6666cc, 0xd8484890, 0x05030306, 0x01f6f6f7, + 0x120e0e1c, 0xa36161c2, 0x5f35356a, 0xf95757ae, 0xd0b9b969, + 0x91868617, 0x58c1c199, 0x271d1d3a, 0xb99e9e27, 0x38e1e1d9, + 0x13f8f8eb, 0xb398982b, 0x33111122, 0xbb6969d2, 0x70d9d9a9, + 0x898e8e07, 0xa7949433, 0xb69b9b2d, 0x221e1e3c, 0x92878715, + 0x20e9e9c9, 0x49cece87, 0xff5555aa, 0x78282850, 0x7adfdfa5, + 0x8f8c8c03, 0xf8a1a159, 0x80898909, 0x170d0d1a, 0xdabfbf65, + 0x31e6e6d7, 0xc6424284, 0xb86868d0, 0xc3414182, 0xb0999929, + 0x772d2d5a, 0x110f0f1e, 0xcbb0b07b, 0xfc5454a8, 0xd6bbbb6d, + 0x3a16162c + }; + + private static readonly uint[] Tinv0 = + { + 0x50a7f451, 0x5365417e, 0xc3a4171a, 0x965e273a, 0xcb6bab3b, + 0xf1459d1f, 0xab58faac, 0x9303e34b, 0x55fa3020, 0xf66d76ad, + 0x9176cc88, 0x254c02f5, 0xfcd7e54f, 0xd7cb2ac5, 0x80443526, + 0x8fa362b5, 0x495ab1de, 0x671bba25, 0x980eea45, 0xe1c0fe5d, + 0x02752fc3, 0x12f04c81, 0xa397468d, 0xc6f9d36b, 0xe75f8f03, + 0x959c9215, 0xeb7a6dbf, 0xda595295, 0x2d83bed4, 0xd3217458, + 0x2969e049, 0x44c8c98e, 0x6a89c275, 0x78798ef4, 0x6b3e5899, + 0xdd71b927, 0xb64fe1be, 0x17ad88f0, 0x66ac20c9, 0xb43ace7d, + 0x184adf63, 0x82311ae5, 0x60335197, 0x457f5362, 0xe07764b1, + 0x84ae6bbb, 0x1ca081fe, 0x942b08f9, 0x58684870, 0x19fd458f, + 0x876cde94, 0xb7f87b52, 0x23d373ab, 0xe2024b72, 0x578f1fe3, + 0x2aab5566, 0x0728ebb2, 0x03c2b52f, 0x9a7bc586, 0xa50837d3, + 0xf2872830, 0xb2a5bf23, 0xba6a0302, 0x5c8216ed, 0x2b1ccf8a, + 0x92b479a7, 0xf0f207f3, 0xa1e2694e, 0xcdf4da65, 0xd5be0506, + 0x1f6234d1, 0x8afea6c4, 0x9d532e34, 0xa055f3a2, 0x32e18a05, + 0x75ebf6a4, 0x39ec830b, 0xaaef6040, 0x069f715e, 0x51106ebd, + 0xf98a213e, 0x3d06dd96, 0xae053edd, 0x46bde64d, 0xb58d5491, + 0x055dc471, 0x6fd40604, 0xff155060, 0x24fb9819, 0x97e9bdd6, + 0xcc434089, 0x779ed967, 0xbd42e8b0, 0x888b8907, 0x385b19e7, + 0xdbeec879, 0x470a7ca1, 0xe90f427c, 0xc91e84f8, 0x00000000, + 0x83868009, 0x48ed2b32, 0xac70111e, 0x4e725a6c, 0xfbff0efd, + 0x5638850f, 0x1ed5ae3d, 0x27392d36, 0x64d90f0a, 0x21a65c68, + 0xd1545b9b, 0x3a2e3624, 0xb1670a0c, 0x0fe75793, 0xd296eeb4, + 0x9e919b1b, 0x4fc5c080, 0xa220dc61, 0x694b775a, 0x161a121c, + 0x0aba93e2, 0xe52aa0c0, 0x43e0223c, 0x1d171b12, 0x0b0d090e, + 0xadc78bf2, 0xb9a8b62d, 0xc8a91e14, 0x8519f157, 0x4c0775af, + 0xbbdd99ee, 0xfd607fa3, 0x9f2601f7, 0xbcf5725c, 0xc53b6644, + 0x347efb5b, 0x7629438b, 0xdcc623cb, 0x68fcedb6, 0x63f1e4b8, + 0xcadc31d7, 0x10856342, 0x40229713, 0x2011c684, 0x7d244a85, + 0xf83dbbd2, 0x1132f9ae, 0x6da129c7, 0x4b2f9e1d, 0xf330b2dc, + 0xec52860d, 0xd0e3c177, 0x6c16b32b, 0x99b970a9, 0xfa489411, + 0x2264e947, 0xc48cfca8, 0x1a3ff0a0, 0xd82c7d56, 0xef903322, + 0xc74e4987, 0xc1d138d9, 0xfea2ca8c, 0x360bd498, 0xcf81f5a6, + 0x28de7aa5, 0x268eb7da, 0xa4bfad3f, 0xe49d3a2c, 0x0d927850, + 0x9bcc5f6a, 0x62467e54, 0xc2138df6, 0xe8b8d890, 0x5ef7392e, + 0xf5afc382, 0xbe805d9f, 0x7c93d069, 0xa92dd56f, 0xb31225cf, + 0x3b99acc8, 0xa77d1810, 0x6e639ce8, 0x7bbb3bdb, 0x097826cd, + 0xf418596e, 0x01b79aec, 0xa89a4f83, 0x656e95e6, 0x7ee6ffaa, + 0x08cfbc21, 0xe6e815ef, 0xd99be7ba, 0xce366f4a, 0xd4099fea, + 0xd67cb029, 0xafb2a431, 0x31233f2a, 0x3094a5c6, 0xc066a235, + 0x37bc4e74, 0xa6ca82fc, 0xb0d090e0, 0x15d8a733, 0x4a9804f1, + 0xf7daec41, 0x0e50cd7f, 0x2ff69117, 0x8dd64d76, 0x4db0ef43, + 0x544daacc, 0xdf0496e4, 0xe3b5d19e, 0x1b886a4c, 0xb81f2cc1, + 0x7f516546, 0x04ea5e9d, 0x5d358c01, 0x737487fa, 0x2e410bfb, + 0x5a1d67b3, 0x52d2db92, 0x335610e9, 0x1347d66d, 0x8c61d79a, + 0x7a0ca137, 0x8e14f859, 0x893c13eb, 0xee27a9ce, 0x35c961b7, + 0xede51ce1, 0x3cb1477a, 0x59dfd29c, 0x3f73f255, 0x79ce1418, + 0xbf37c773, 0xeacdf753, 0x5baafd5f, 0x146f3ddf, 0x86db4478, + 0x81f3afca, 0x3ec468b9, 0x2c342438, 0x5f40a3c2, 0x72c31d16, + 0x0c25e2bc, 0x8b493c28, 0x41950dff, 0x7101a839, 0xdeb30c08, + 0x9ce4b4d8, 0x90c15664, 0x6184cb7b, 0x70b632d5, 0x745c6c48, + 0x4257b8d0 + }; + + private static uint Shift(uint r, int shift) + { + return (r >> shift) | (r << (32 - shift)); + } + + /* multiply four bytes in GF(2^8) by 'x' {02} in parallel */ + + private const uint m1 = 0x80808080; + private const uint m2 = 0x7f7f7f7f; + private const uint m3 = 0x0000001b; + + private static uint FFmulX(uint x) + { + return ((x & m2) << 1) ^ (((x & m1) >> 7) * m3); + } + + /* + The following defines provide alternative definitions of FFmulX that might + give improved performance if a fast 32-bit multiply is not available. + + private int FFmulX(int x) { int u = x & m1; u |= (u >> 1); return ((x & m2) << 1) ^ ((u >>> 3) | (u >>> 6)); } + private static final int m4 = 0x1b1b1b1b; + private int FFmulX(int x) { int u = x & m1; return ((x & m2) << 1) ^ ((u - (u >>> 7)) & m4); } + + */ + + private static uint Inv_Mcol(uint x) + { + uint f2 = FFmulX(x); + uint f4 = FFmulX(f2); + uint f8 = FFmulX(f4); + uint f9 = x ^ f8; + + return f2 ^ f4 ^ f8 ^ Shift(f2 ^ f9, 8) ^ Shift(f4 ^ f9, 16) ^ Shift(f9, 24); + } + + private static uint SubWord(uint x) + { + return (uint)S[x&255] + | (((uint)S[(x>>8)&255]) << 8) + | (((uint)S[(x>>16)&255]) << 16) + | (((uint)S[(x>>24)&255]) << 24); + } + + /** + * Calculate the necessary round keys + * The number of calculations depends on key size and block size + * AES specified a fixed block size of 128 bits and key sizes 128/192/256 bits + * This code is written assuming those are the only possible values + */ + private uint[][] GenerateWorkingKey( + byte[] key, + bool forEncryption) + { + int KC = key.Length / 4; // key length in words + int t; + + if ((KC != 4) && (KC != 6) && (KC != 8)) + throw new ArgumentException("Key length not 128/192/256 bits."); + + ROUNDS = KC + 6; // This is not always true for the generalized Rijndael that allows larger block sizes uint[][] W = new uint[ROUNDS + 1][]; // 4 words in a block for (int i = 0; i <= ROUNDS; ++i) @@ -295,166 +295,166 @@ namespace Org.BouncyCastle.Crypto.Engines W[i] = new uint[4]; } - // - // copy the key into the round key array - // - - t = 0; - for (int i = 0; i < key.Length; t++) - { - W[t >> 2][t & 3] = Pack.LE_To_UInt32(key, i); - i+=4; - } - - // - // while not enough round key material calculated - // calculate new values - // - int k = (ROUNDS + 1) << 2; - for (int i = KC; (i < k); i++) - { - uint temp = W[(i-1)>>2][(i-1)&3]; - if ((i % KC) == 0) - { - temp = SubWord(Shift(temp, 8)) ^ rcon[(i / KC)-1]; - } - else if ((KC > 6) && ((i % KC) == 4)) - { - temp = SubWord(temp); - } - - W[i>>2][i&3] = W[(i - KC)>>2][(i-KC)&3] ^ temp; - } - - if (!forEncryption) - { - for (int j = 1; j < ROUNDS; j++) - { + // + // copy the key into the round key array + // + + t = 0; + for (int i = 0; i < key.Length; t++) + { + W[t >> 2][t & 3] = Pack.LE_To_UInt32(key, i); + i+=4; + } + + // + // while not enough round key material calculated + // calculate new values + // + int k = (ROUNDS + 1) << 2; + for (int i = KC; (i < k); i++) + { + uint temp = W[(i-1)>>2][(i-1)&3]; + if ((i % KC) == 0) + { + temp = SubWord(Shift(temp, 8)) ^ rcon[(i / KC)-1]; + } + else if ((KC > 6) && ((i % KC) == 4)) + { + temp = SubWord(temp); + } + + W[i>>2][i&3] = W[(i - KC)>>2][(i-KC)&3] ^ temp; + } + + if (!forEncryption) + { + for (int j = 1; j < ROUNDS; j++) + { uint[] w = W[j]; for (int i = 0; i < 4; i++) { w[i] = Inv_Mcol(w[i]); } } - } - - return W; - } - - private int ROUNDS; - private uint[][] WorkingKey; - private uint C0, C1, C2, C3; - private bool forEncryption; - - private const int BLOCK_SIZE = 16; - - /** - * default constructor - 128 bit block size. - */ - public AesEngine() - { - } - - /** - * initialise an AES cipher. - * - * @param forEncryption whether or not we are for encryption. - * @param parameters the parameters required to set up the cipher. - * @exception ArgumentException if the parameters argument is - * inappropriate. - */ - public void Init( - bool forEncryption, - ICipherParameters parameters) - { - KeyParameter keyParameter = parameters as KeyParameter; - - if (keyParameter == null) - throw new ArgumentException("invalid parameter passed to AES init - " + parameters.GetType().Name); - - WorkingKey = GenerateWorkingKey(keyParameter.GetKey(), forEncryption); - - this.forEncryption = forEncryption; - } - - public string AlgorithmName - { - get { return "AES"; } - } - - public bool IsPartialBlockOkay - { - get { return false; } - } - - public int GetBlockSize() - { - return BLOCK_SIZE; - } - - public int ProcessBlock( - byte[] input, - int inOff, - byte[] output, - int outOff) - { - if (WorkingKey == null) - { - throw new InvalidOperationException("AES engine not initialised"); - } - - if ((inOff + (32 / 2)) > input.Length) - { - throw new DataLengthException("input buffer too short"); - } - - if ((outOff + (32 / 2)) > output.Length) - { - throw new DataLengthException("output buffer too short"); - } - - UnPackBlock(input, inOff); - - if (forEncryption) - { - EncryptBlock(); - } - else - { - DecryptBlock(); - } - - PackBlock(output, outOff); - - return BLOCK_SIZE; - } - - public void Reset() - { - } - - private void UnPackBlock( - byte[] bytes, - int off) - { - C0 = Pack.LE_To_UInt32(bytes, off); - C1 = Pack.LE_To_UInt32(bytes, off + 4); - C2 = Pack.LE_To_UInt32(bytes, off + 8); - C3 = Pack.LE_To_UInt32(bytes, off + 12); - } - - private void PackBlock( - byte[] bytes, - int off) - { - Pack.UInt32_To_LE(C0, bytes, off); - Pack.UInt32_To_LE(C1, bytes, off + 4); - Pack.UInt32_To_LE(C2, bytes, off + 8); - Pack.UInt32_To_LE(C3, bytes, off + 12); - } - - private void EncryptBlock() - { + } + + return W; + } + + private int ROUNDS; + private uint[][] WorkingKey; + private uint C0, C1, C2, C3; + private bool forEncryption; + + private const int BLOCK_SIZE = 16; + + /** + * default constructor - 128 bit block size. + */ + public AesEngine() + { + } + + /** + * initialise an AES cipher. + * + * @param forEncryption whether or not we are for encryption. + * @param parameters the parameters required to set up the cipher. + * @exception ArgumentException if the parameters argument is + * inappropriate. + */ + public void Init( + bool forEncryption, + ICipherParameters parameters) + { + KeyParameter keyParameter = parameters as KeyParameter; + + if (keyParameter == null) + throw new ArgumentException("invalid parameter passed to AES init - " + parameters.GetType().Name); + + WorkingKey = GenerateWorkingKey(keyParameter.GetKey(), forEncryption); + + this.forEncryption = forEncryption; + } + + public string AlgorithmName + { + get { return "AES"; } + } + + public bool IsPartialBlockOkay + { + get { return false; } + } + + public int GetBlockSize() + { + return BLOCK_SIZE; + } + + public int ProcessBlock( + byte[] input, + int inOff, + byte[] output, + int outOff) + { + if (WorkingKey == null) + { + throw new InvalidOperationException("AES engine not initialised"); + } + + if ((inOff + (32 / 2)) > input.Length) + { + throw new DataLengthException("input buffer too short"); + } + + if ((outOff + (32 / 2)) > output.Length) + { + throw new DataLengthException("output buffer too short"); + } + + UnPackBlock(input, inOff); + + if (forEncryption) + { + EncryptBlock(); + } + else + { + DecryptBlock(); + } + + PackBlock(output, outOff); + + return BLOCK_SIZE; + } + + public void Reset() + { + } + + private void UnPackBlock( + byte[] bytes, + int off) + { + C0 = Pack.LE_To_UInt32(bytes, off); + C1 = Pack.LE_To_UInt32(bytes, off + 4); + C2 = Pack.LE_To_UInt32(bytes, off + 8); + C3 = Pack.LE_To_UInt32(bytes, off + 12); + } + + private void PackBlock( + byte[] bytes, + int off) + { + Pack.UInt32_To_LE(C0, bytes, off); + Pack.UInt32_To_LE(C1, bytes, off + 4); + Pack.UInt32_To_LE(C2, bytes, off + 8); + Pack.UInt32_To_LE(C3, bytes, off + 12); + } + + private void EncryptBlock() + { uint[][] KW = WorkingKey; int r = 0; @@ -468,7 +468,7 @@ namespace Org.BouncyCastle.Crypto.Engines uint r0, r1, r2, r3; while (r < (ROUNDS - 2)) - { + { kw = KW[++r]; r0 = T0[C0 & 255] ^ Shift(T0[(C1 >> 8) & 255], 24) ^ Shift(T0[(C2 >> 16) & 255], 16) ^ Shift(T0[(C3 >> 24) & 255], 8) ^ kw[0]; r1 = T0[C1 & 255] ^ Shift(T0[(C2 >> 8) & 255], 24) ^ Shift(T0[(C3 >> 16) & 255], 16) ^ Shift(T0[(C0 >> 24) & 255], 8) ^ kw[1]; @@ -479,7 +479,7 @@ namespace Org.BouncyCastle.Crypto.Engines C1 = T0[r1 & 255] ^ Shift(T0[(r2 >> 8) & 255], 24) ^ Shift(T0[(r3 >> 16) & 255], 16) ^ Shift(T0[(r0 >> 24) & 255], 8) ^ kw[1]; C2 = T0[r2 & 255] ^ Shift(T0[(r3 >> 8) & 255], 24) ^ Shift(T0[(r0 >> 16) & 255], 16) ^ Shift(T0[(r1 >> 24) & 255], 8) ^ kw[2]; C3 = T0[r3 & 255] ^ Shift(T0[(r0 >> 8) & 255], 24) ^ Shift(T0[(r1 >> 16) & 255], 16) ^ Shift(T0[(r2 >> 24) & 255], 8) ^ kw[3]; - } + } kw = KW[++r]; r0 = T0[C0 & 255] ^ Shift(T0[(C1 >> 8) & 255], 24) ^ Shift(T0[(C2 >> 16) & 255], 16) ^ Shift(T0[(C3 >> 24) & 255], 8) ^ kw[0]; @@ -487,7 +487,7 @@ namespace Org.BouncyCastle.Crypto.Engines r2 = T0[C2 & 255] ^ Shift(T0[(C3 >> 8) & 255], 24) ^ Shift(T0[(C0 >> 16) & 255], 16) ^ Shift(T0[(C1 >> 24) & 255], 8) ^ kw[2]; r3 = T0[C3 & 255] ^ Shift(T0[(C0 >> 8) & 255], 24) ^ Shift(T0[(C1 >> 16) & 255], 16) ^ Shift(T0[(C2 >> 24) & 255], 8) ^ kw[3]; - // the final round's table is a simple function of S so we don't use a whole other four tables for it + // the final round's table is a simple function of S so we don't use a whole other four tables for it kw = KW[++r]; C0 = (uint)S[r0 & 255] ^ (((uint)S[(r1 >> 8) & 255]) << 8) ^ (((uint)S[(r2 >> 16) & 255]) << 16) ^ (((uint)S[(r3 >> 24) & 255]) << 24) ^ kw[0]; @@ -498,8 +498,8 @@ namespace Org.BouncyCastle.Crypto.Engines Debug.Assert(r == ROUNDS); } - private void DecryptBlock() - { + private void DecryptBlock() + { uint[][] KW = WorkingKey; int r = ROUNDS; @@ -513,7 +513,7 @@ namespace Org.BouncyCastle.Crypto.Engines uint r0, r1, r2, r3; while (r > 2) - { + { kw = KW[--r]; r0 = Tinv0[C0 & 255] ^ Shift(Tinv0[(C3 >> 8) & 255], 24) ^ Shift(Tinv0[(C2 >> 16) & 255], 16) ^ Shift(Tinv0[(C1 >> 24) & 255], 8) ^ kw[0]; r1 = Tinv0[C1 & 255] ^ Shift(Tinv0[(C0 >> 8) & 255], 24) ^ Shift(Tinv0[(C3 >> 16) & 255], 16) ^ Shift(Tinv0[(C2 >> 24) & 255], 8) ^ kw[1]; @@ -524,7 +524,7 @@ namespace Org.BouncyCastle.Crypto.Engines C1 = Tinv0[r1 & 255] ^ Shift(Tinv0[(r0 >> 8) & 255], 24) ^ Shift(Tinv0[(r3 >> 16) & 255], 16) ^ Shift(Tinv0[(r2 >> 24) & 255], 8) ^ kw[1]; C2 = Tinv0[r2 & 255] ^ Shift(Tinv0[(r1 >> 8) & 255], 24) ^ Shift(Tinv0[(r0 >> 16) & 255], 16) ^ Shift(Tinv0[(r3 >> 24) & 255], 8) ^ kw[2]; C3 = Tinv0[r3 & 255] ^ Shift(Tinv0[(r2 >> 8) & 255], 24) ^ Shift(Tinv0[(r1 >> 16) & 255], 16) ^ Shift(Tinv0[(r0 >> 24) & 255], 8) ^ kw[3]; - } + } kw = KW[--r]; r0 = Tinv0[C0 & 255] ^ Shift(Tinv0[(C3 >> 8) & 255], 24) ^ Shift(Tinv0[(C2 >> 16) & 255], 16) ^ Shift(Tinv0[(C1 >> 24) & 255], 8) ^ kw[0]; @@ -532,7 +532,7 @@ namespace Org.BouncyCastle.Crypto.Engines r2 = Tinv0[C2 & 255] ^ Shift(Tinv0[(C1 >> 8) & 255], 24) ^ Shift(Tinv0[(C0 >> 16) & 255], 16) ^ Shift(Tinv0[(C3 >> 24) & 255], 8) ^ kw[2]; r3 = Tinv0[C3 & 255] ^ Shift(Tinv0[(C2 >> 8) & 255], 24) ^ Shift(Tinv0[(C1 >> 16) & 255], 16) ^ Shift(Tinv0[(C0 >> 24) & 255], 8) ^ kw[3]; - // the final round's table is a simple function of Si so we don't use a whole other four tables for it + // the final round's table is a simple function of Si so we don't use a whole other four tables for it kw = KW[--r]; C0 = (uint)Si[r0 & 255] ^ (((uint)Si[(r3 >> 8) & 255]) << 8) ^ (((uint)Si[(r2 >> 16) & 255]) << 16) ^ (((uint)Si[(r1 >> 24) & 255]) << 24) ^ kw[0]; @@ -542,5 +542,5 @@ namespace Org.BouncyCastle.Crypto.Engines Debug.Assert(r == 0); } - } + } } diff --git a/crypto/src/crypto/engines/AesFastEngine.cs b/crypto/src/crypto/engines/AesFastEngine.cs index d76955dd8..3293c7427 100644 --- a/crypto/src/crypto/engines/AesFastEngine.cs +++ b/crypto/src/crypto/engines/AesFastEngine.cs @@ -31,11 +31,11 @@ namespace Org.BouncyCastle.Crypto.Engines * </p> */ public class AesFastEngine - : IBlockCipher + : IBlockCipher { // The S box private static readonly byte[] S = - { + { 99, 124, 119, 123, 242, 107, 111, 197, 48, 1, 103, 43, 254, 215, 171, 118, 202, 130, 201, 125, 250, 89, 71, 240, @@ -72,501 +72,501 @@ namespace Org.BouncyCastle.Crypto.Engines // The inverse S-box private static readonly byte[] Si = - { - 82, 9, 106, 213, 48, 54, 165, 56, - 191, 64, 163, 158, 129, 243, 215, 251, - 124, 227, 57, 130, 155, 47, 255, 135, - 52, 142, 67, 68, 196, 222, 233, 203, - 84, 123, 148, 50, 166, 194, 35, 61, - 238, 76, 149, 11, 66, 250, 195, 78, - 8, 46, 161, 102, 40, 217, 36, 178, - 118, 91, 162, 73, 109, 139, 209, 37, - 114, 248, 246, 100, 134, 104, 152, 22, - 212, 164, 92, 204, 93, 101, 182, 146, - 108, 112, 72, 80, 253, 237, 185, 218, - 94, 21, 70, 87, 167, 141, 157, 132, - 144, 216, 171, 0, 140, 188, 211, 10, - 247, 228, 88, 5, 184, 179, 69, 6, - 208, 44, 30, 143, 202, 63, 15, 2, - 193, 175, 189, 3, 1, 19, 138, 107, - 58, 145, 17, 65, 79, 103, 220, 234, - 151, 242, 207, 206, 240, 180, 230, 115, - 150, 172, 116, 34, 231, 173, 53, 133, - 226, 249, 55, 232, 28, 117, 223, 110, - 71, 241, 26, 113, 29, 41, 197, 137, - 111, 183, 98, 14, 170, 24, 190, 27, - 252, 86, 62, 75, 198, 210, 121, 32, - 154, 219, 192, 254, 120, 205, 90, 244, - 31, 221, 168, 51, 136, 7, 199, 49, - 177, 18, 16, 89, 39, 128, 236, 95, - 96, 81, 127, 169, 25, 181, 74, 13, - 45, 229, 122, 159, 147, 201, 156, 239, - 160, 224, 59, 77, 174, 42, 245, 176, - 200, 235, 187, 60, 131, 83, 153, 97, - 23, 43, 4, 126, 186, 119, 214, 38, - 225, 105, 20, 99, 85, 33, 12, 125, - }; - - // vector used in calculating key schedule (powers of x in GF(256)) + { + 82, 9, 106, 213, 48, 54, 165, 56, + 191, 64, 163, 158, 129, 243, 215, 251, + 124, 227, 57, 130, 155, 47, 255, 135, + 52, 142, 67, 68, 196, 222, 233, 203, + 84, 123, 148, 50, 166, 194, 35, 61, + 238, 76, 149, 11, 66, 250, 195, 78, + 8, 46, 161, 102, 40, 217, 36, 178, + 118, 91, 162, 73, 109, 139, 209, 37, + 114, 248, 246, 100, 134, 104, 152, 22, + 212, 164, 92, 204, 93, 101, 182, 146, + 108, 112, 72, 80, 253, 237, 185, 218, + 94, 21, 70, 87, 167, 141, 157, 132, + 144, 216, 171, 0, 140, 188, 211, 10, + 247, 228, 88, 5, 184, 179, 69, 6, + 208, 44, 30, 143, 202, 63, 15, 2, + 193, 175, 189, 3, 1, 19, 138, 107, + 58, 145, 17, 65, 79, 103, 220, 234, + 151, 242, 207, 206, 240, 180, 230, 115, + 150, 172, 116, 34, 231, 173, 53, 133, + 226, 249, 55, 232, 28, 117, 223, 110, + 71, 241, 26, 113, 29, 41, 197, 137, + 111, 183, 98, 14, 170, 24, 190, 27, + 252, 86, 62, 75, 198, 210, 121, 32, + 154, 219, 192, 254, 120, 205, 90, 244, + 31, 221, 168, 51, 136, 7, 199, 49, + 177, 18, 16, 89, 39, 128, 236, 95, + 96, 81, 127, 169, 25, 181, 74, 13, + 45, 229, 122, 159, 147, 201, 156, 239, + 160, 224, 59, 77, 174, 42, 245, 176, + 200, 235, 187, 60, 131, 83, 153, 97, + 23, 43, 4, 126, 186, 119, 214, 38, + 225, 105, 20, 99, 85, 33, 12, 125, + }; + + // vector used in calculating key schedule (powers of x in GF(256)) private static readonly byte[] rcon = - { - 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, - 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91 - }; - - // precomputation tables of calculations for rounds - private static readonly uint[] T0 = - { - 0xa56363c6, 0x847c7cf8, 0x997777ee, 0x8d7b7bf6, 0x0df2f2ff, - 0xbd6b6bd6, 0xb16f6fde, 0x54c5c591, 0x50303060, 0x03010102, - 0xa96767ce, 0x7d2b2b56, 0x19fefee7, 0x62d7d7b5, 0xe6abab4d, - 0x9a7676ec, 0x45caca8f, 0x9d82821f, 0x40c9c989, 0x877d7dfa, - 0x15fafaef, 0xeb5959b2, 0xc947478e, 0x0bf0f0fb, 0xecadad41, - 0x67d4d4b3, 0xfda2a25f, 0xeaafaf45, 0xbf9c9c23, 0xf7a4a453, - 0x967272e4, 0x5bc0c09b, 0xc2b7b775, 0x1cfdfde1, 0xae93933d, - 0x6a26264c, 0x5a36366c, 0x413f3f7e, 0x02f7f7f5, 0x4fcccc83, - 0x5c343468, 0xf4a5a551, 0x34e5e5d1, 0x08f1f1f9, 0x937171e2, - 0x73d8d8ab, 0x53313162, 0x3f15152a, 0x0c040408, 0x52c7c795, - 0x65232346, 0x5ec3c39d, 0x28181830, 0xa1969637, 0x0f05050a, - 0xb59a9a2f, 0x0907070e, 0x36121224, 0x9b80801b, 0x3de2e2df, - 0x26ebebcd, 0x6927274e, 0xcdb2b27f, 0x9f7575ea, 0x1b090912, - 0x9e83831d, 0x742c2c58, 0x2e1a1a34, 0x2d1b1b36, 0xb26e6edc, - 0xee5a5ab4, 0xfba0a05b, 0xf65252a4, 0x4d3b3b76, 0x61d6d6b7, - 0xceb3b37d, 0x7b292952, 0x3ee3e3dd, 0x712f2f5e, 0x97848413, - 0xf55353a6, 0x68d1d1b9, 0x00000000, 0x2cededc1, 0x60202040, - 0x1ffcfce3, 0xc8b1b179, 0xed5b5bb6, 0xbe6a6ad4, 0x46cbcb8d, - 0xd9bebe67, 0x4b393972, 0xde4a4a94, 0xd44c4c98, 0xe85858b0, - 0x4acfcf85, 0x6bd0d0bb, 0x2aefefc5, 0xe5aaaa4f, 0x16fbfbed, - 0xc5434386, 0xd74d4d9a, 0x55333366, 0x94858511, 0xcf45458a, - 0x10f9f9e9, 0x06020204, 0x817f7ffe, 0xf05050a0, 0x443c3c78, - 0xba9f9f25, 0xe3a8a84b, 0xf35151a2, 0xfea3a35d, 0xc0404080, - 0x8a8f8f05, 0xad92923f, 0xbc9d9d21, 0x48383870, 0x04f5f5f1, - 0xdfbcbc63, 0xc1b6b677, 0x75dadaaf, 0x63212142, 0x30101020, - 0x1affffe5, 0x0ef3f3fd, 0x6dd2d2bf, 0x4ccdcd81, 0x140c0c18, - 0x35131326, 0x2fececc3, 0xe15f5fbe, 0xa2979735, 0xcc444488, - 0x3917172e, 0x57c4c493, 0xf2a7a755, 0x827e7efc, 0x473d3d7a, - 0xac6464c8, 0xe75d5dba, 0x2b191932, 0x957373e6, 0xa06060c0, - 0x98818119, 0xd14f4f9e, 0x7fdcdca3, 0x66222244, 0x7e2a2a54, - 0xab90903b, 0x8388880b, 0xca46468c, 0x29eeeec7, 0xd3b8b86b, - 0x3c141428, 0x79dedea7, 0xe25e5ebc, 0x1d0b0b16, 0x76dbdbad, - 0x3be0e0db, 0x56323264, 0x4e3a3a74, 0x1e0a0a14, 0xdb494992, - 0x0a06060c, 0x6c242448, 0xe45c5cb8, 0x5dc2c29f, 0x6ed3d3bd, - 0xefacac43, 0xa66262c4, 0xa8919139, 0xa4959531, 0x37e4e4d3, - 0x8b7979f2, 0x32e7e7d5, 0x43c8c88b, 0x5937376e, 0xb76d6dda, - 0x8c8d8d01, 0x64d5d5b1, 0xd24e4e9c, 0xe0a9a949, 0xb46c6cd8, - 0xfa5656ac, 0x07f4f4f3, 0x25eaeacf, 0xaf6565ca, 0x8e7a7af4, - 0xe9aeae47, 0x18080810, 0xd5baba6f, 0x887878f0, 0x6f25254a, - 0x722e2e5c, 0x241c1c38, 0xf1a6a657, 0xc7b4b473, 0x51c6c697, - 0x23e8e8cb, 0x7cdddda1, 0x9c7474e8, 0x211f1f3e, 0xdd4b4b96, - 0xdcbdbd61, 0x868b8b0d, 0x858a8a0f, 0x907070e0, 0x423e3e7c, - 0xc4b5b571, 0xaa6666cc, 0xd8484890, 0x05030306, 0x01f6f6f7, - 0x120e0e1c, 0xa36161c2, 0x5f35356a, 0xf95757ae, 0xd0b9b969, - 0x91868617, 0x58c1c199, 0x271d1d3a, 0xb99e9e27, 0x38e1e1d9, - 0x13f8f8eb, 0xb398982b, 0x33111122, 0xbb6969d2, 0x70d9d9a9, - 0x898e8e07, 0xa7949433, 0xb69b9b2d, 0x221e1e3c, 0x92878715, - 0x20e9e9c9, 0x49cece87, 0xff5555aa, 0x78282850, 0x7adfdfa5, - 0x8f8c8c03, 0xf8a1a159, 0x80898909, 0x170d0d1a, 0xdabfbf65, - 0x31e6e6d7, 0xc6424284, 0xb86868d0, 0xc3414182, 0xb0999929, - 0x772d2d5a, 0x110f0f1e, 0xcbb0b07b, 0xfc5454a8, 0xd6bbbb6d, - 0x3a16162c - }; - - private static readonly uint[] T1 = - { - 0x6363c6a5, 0x7c7cf884, 0x7777ee99, 0x7b7bf68d, 0xf2f2ff0d, - 0x6b6bd6bd, 0x6f6fdeb1, 0xc5c59154, 0x30306050, 0x01010203, - 0x6767cea9, 0x2b2b567d, 0xfefee719, 0xd7d7b562, 0xabab4de6, - 0x7676ec9a, 0xcaca8f45, 0x82821f9d, 0xc9c98940, 0x7d7dfa87, - 0xfafaef15, 0x5959b2eb, 0x47478ec9, 0xf0f0fb0b, 0xadad41ec, - 0xd4d4b367, 0xa2a25ffd, 0xafaf45ea, 0x9c9c23bf, 0xa4a453f7, - 0x7272e496, 0xc0c09b5b, 0xb7b775c2, 0xfdfde11c, 0x93933dae, - 0x26264c6a, 0x36366c5a, 0x3f3f7e41, 0xf7f7f502, 0xcccc834f, - 0x3434685c, 0xa5a551f4, 0xe5e5d134, 0xf1f1f908, 0x7171e293, - 0xd8d8ab73, 0x31316253, 0x15152a3f, 0x0404080c, 0xc7c79552, - 0x23234665, 0xc3c39d5e, 0x18183028, 0x969637a1, 0x05050a0f, - 0x9a9a2fb5, 0x07070e09, 0x12122436, 0x80801b9b, 0xe2e2df3d, - 0xebebcd26, 0x27274e69, 0xb2b27fcd, 0x7575ea9f, 0x0909121b, - 0x83831d9e, 0x2c2c5874, 0x1a1a342e, 0x1b1b362d, 0x6e6edcb2, - 0x5a5ab4ee, 0xa0a05bfb, 0x5252a4f6, 0x3b3b764d, 0xd6d6b761, - 0xb3b37dce, 0x2929527b, 0xe3e3dd3e, 0x2f2f5e71, 0x84841397, - 0x5353a6f5, 0xd1d1b968, 0x00000000, 0xededc12c, 0x20204060, - 0xfcfce31f, 0xb1b179c8, 0x5b5bb6ed, 0x6a6ad4be, 0xcbcb8d46, - 0xbebe67d9, 0x3939724b, 0x4a4a94de, 0x4c4c98d4, 0x5858b0e8, - 0xcfcf854a, 0xd0d0bb6b, 0xefefc52a, 0xaaaa4fe5, 0xfbfbed16, - 0x434386c5, 0x4d4d9ad7, 0x33336655, 0x85851194, 0x45458acf, - 0xf9f9e910, 0x02020406, 0x7f7ffe81, 0x5050a0f0, 0x3c3c7844, - 0x9f9f25ba, 0xa8a84be3, 0x5151a2f3, 0xa3a35dfe, 0x404080c0, - 0x8f8f058a, 0x92923fad, 0x9d9d21bc, 0x38387048, 0xf5f5f104, - 0xbcbc63df, 0xb6b677c1, 0xdadaaf75, 0x21214263, 0x10102030, - 0xffffe51a, 0xf3f3fd0e, 0xd2d2bf6d, 0xcdcd814c, 0x0c0c1814, - 0x13132635, 0xececc32f, 0x5f5fbee1, 0x979735a2, 0x444488cc, - 0x17172e39, 0xc4c49357, 0xa7a755f2, 0x7e7efc82, 0x3d3d7a47, - 0x6464c8ac, 0x5d5dbae7, 0x1919322b, 0x7373e695, 0x6060c0a0, - 0x81811998, 0x4f4f9ed1, 0xdcdca37f, 0x22224466, 0x2a2a547e, - 0x90903bab, 0x88880b83, 0x46468cca, 0xeeeec729, 0xb8b86bd3, - 0x1414283c, 0xdedea779, 0x5e5ebce2, 0x0b0b161d, 0xdbdbad76, - 0xe0e0db3b, 0x32326456, 0x3a3a744e, 0x0a0a141e, 0x494992db, - 0x06060c0a, 0x2424486c, 0x5c5cb8e4, 0xc2c29f5d, 0xd3d3bd6e, - 0xacac43ef, 0x6262c4a6, 0x919139a8, 0x959531a4, 0xe4e4d337, - 0x7979f28b, 0xe7e7d532, 0xc8c88b43, 0x37376e59, 0x6d6ddab7, - 0x8d8d018c, 0xd5d5b164, 0x4e4e9cd2, 0xa9a949e0, 0x6c6cd8b4, - 0x5656acfa, 0xf4f4f307, 0xeaeacf25, 0x6565caaf, 0x7a7af48e, - 0xaeae47e9, 0x08081018, 0xbaba6fd5, 0x7878f088, 0x25254a6f, - 0x2e2e5c72, 0x1c1c3824, 0xa6a657f1, 0xb4b473c7, 0xc6c69751, - 0xe8e8cb23, 0xdddda17c, 0x7474e89c, 0x1f1f3e21, 0x4b4b96dd, - 0xbdbd61dc, 0x8b8b0d86, 0x8a8a0f85, 0x7070e090, 0x3e3e7c42, - 0xb5b571c4, 0x6666ccaa, 0x484890d8, 0x03030605, 0xf6f6f701, - 0x0e0e1c12, 0x6161c2a3, 0x35356a5f, 0x5757aef9, 0xb9b969d0, - 0x86861791, 0xc1c19958, 0x1d1d3a27, 0x9e9e27b9, 0xe1e1d938, - 0xf8f8eb13, 0x98982bb3, 0x11112233, 0x6969d2bb, 0xd9d9a970, - 0x8e8e0789, 0x949433a7, 0x9b9b2db6, 0x1e1e3c22, 0x87871592, - 0xe9e9c920, 0xcece8749, 0x5555aaff, 0x28285078, 0xdfdfa57a, - 0x8c8c038f, 0xa1a159f8, 0x89890980, 0x0d0d1a17, 0xbfbf65da, - 0xe6e6d731, 0x424284c6, 0x6868d0b8, 0x414182c3, 0x999929b0, - 0x2d2d5a77, 0x0f0f1e11, 0xb0b07bcb, 0x5454a8fc, 0xbbbb6dd6, - 0x16162c3a - }; - - private static readonly uint[] T2 = - { - 0x63c6a563, 0x7cf8847c, 0x77ee9977, 0x7bf68d7b, 0xf2ff0df2, - 0x6bd6bd6b, 0x6fdeb16f, 0xc59154c5, 0x30605030, 0x01020301, - 0x67cea967, 0x2b567d2b, 0xfee719fe, 0xd7b562d7, 0xab4de6ab, - 0x76ec9a76, 0xca8f45ca, 0x821f9d82, 0xc98940c9, 0x7dfa877d, - 0xfaef15fa, 0x59b2eb59, 0x478ec947, 0xf0fb0bf0, 0xad41ecad, - 0xd4b367d4, 0xa25ffda2, 0xaf45eaaf, 0x9c23bf9c, 0xa453f7a4, - 0x72e49672, 0xc09b5bc0, 0xb775c2b7, 0xfde11cfd, 0x933dae93, - 0x264c6a26, 0x366c5a36, 0x3f7e413f, 0xf7f502f7, 0xcc834fcc, - 0x34685c34, 0xa551f4a5, 0xe5d134e5, 0xf1f908f1, 0x71e29371, - 0xd8ab73d8, 0x31625331, 0x152a3f15, 0x04080c04, 0xc79552c7, - 0x23466523, 0xc39d5ec3, 0x18302818, 0x9637a196, 0x050a0f05, - 0x9a2fb59a, 0x070e0907, 0x12243612, 0x801b9b80, 0xe2df3de2, - 0xebcd26eb, 0x274e6927, 0xb27fcdb2, 0x75ea9f75, 0x09121b09, - 0x831d9e83, 0x2c58742c, 0x1a342e1a, 0x1b362d1b, 0x6edcb26e, - 0x5ab4ee5a, 0xa05bfba0, 0x52a4f652, 0x3b764d3b, 0xd6b761d6, - 0xb37dceb3, 0x29527b29, 0xe3dd3ee3, 0x2f5e712f, 0x84139784, - 0x53a6f553, 0xd1b968d1, 0x00000000, 0xedc12ced, 0x20406020, - 0xfce31ffc, 0xb179c8b1, 0x5bb6ed5b, 0x6ad4be6a, 0xcb8d46cb, - 0xbe67d9be, 0x39724b39, 0x4a94de4a, 0x4c98d44c, 0x58b0e858, - 0xcf854acf, 0xd0bb6bd0, 0xefc52aef, 0xaa4fe5aa, 0xfbed16fb, - 0x4386c543, 0x4d9ad74d, 0x33665533, 0x85119485, 0x458acf45, - 0xf9e910f9, 0x02040602, 0x7ffe817f, 0x50a0f050, 0x3c78443c, - 0x9f25ba9f, 0xa84be3a8, 0x51a2f351, 0xa35dfea3, 0x4080c040, - 0x8f058a8f, 0x923fad92, 0x9d21bc9d, 0x38704838, 0xf5f104f5, - 0xbc63dfbc, 0xb677c1b6, 0xdaaf75da, 0x21426321, 0x10203010, - 0xffe51aff, 0xf3fd0ef3, 0xd2bf6dd2, 0xcd814ccd, 0x0c18140c, - 0x13263513, 0xecc32fec, 0x5fbee15f, 0x9735a297, 0x4488cc44, - 0x172e3917, 0xc49357c4, 0xa755f2a7, 0x7efc827e, 0x3d7a473d, - 0x64c8ac64, 0x5dbae75d, 0x19322b19, 0x73e69573, 0x60c0a060, - 0x81199881, 0x4f9ed14f, 0xdca37fdc, 0x22446622, 0x2a547e2a, - 0x903bab90, 0x880b8388, 0x468cca46, 0xeec729ee, 0xb86bd3b8, - 0x14283c14, 0xdea779de, 0x5ebce25e, 0x0b161d0b, 0xdbad76db, - 0xe0db3be0, 0x32645632, 0x3a744e3a, 0x0a141e0a, 0x4992db49, - 0x060c0a06, 0x24486c24, 0x5cb8e45c, 0xc29f5dc2, 0xd3bd6ed3, - 0xac43efac, 0x62c4a662, 0x9139a891, 0x9531a495, 0xe4d337e4, - 0x79f28b79, 0xe7d532e7, 0xc88b43c8, 0x376e5937, 0x6ddab76d, - 0x8d018c8d, 0xd5b164d5, 0x4e9cd24e, 0xa949e0a9, 0x6cd8b46c, - 0x56acfa56, 0xf4f307f4, 0xeacf25ea, 0x65caaf65, 0x7af48e7a, - 0xae47e9ae, 0x08101808, 0xba6fd5ba, 0x78f08878, 0x254a6f25, - 0x2e5c722e, 0x1c38241c, 0xa657f1a6, 0xb473c7b4, 0xc69751c6, - 0xe8cb23e8, 0xdda17cdd, 0x74e89c74, 0x1f3e211f, 0x4b96dd4b, - 0xbd61dcbd, 0x8b0d868b, 0x8a0f858a, 0x70e09070, 0x3e7c423e, - 0xb571c4b5, 0x66ccaa66, 0x4890d848, 0x03060503, 0xf6f701f6, - 0x0e1c120e, 0x61c2a361, 0x356a5f35, 0x57aef957, 0xb969d0b9, - 0x86179186, 0xc19958c1, 0x1d3a271d, 0x9e27b99e, 0xe1d938e1, - 0xf8eb13f8, 0x982bb398, 0x11223311, 0x69d2bb69, 0xd9a970d9, - 0x8e07898e, 0x9433a794, 0x9b2db69b, 0x1e3c221e, 0x87159287, - 0xe9c920e9, 0xce8749ce, 0x55aaff55, 0x28507828, 0xdfa57adf, - 0x8c038f8c, 0xa159f8a1, 0x89098089, 0x0d1a170d, 0xbf65dabf, - 0xe6d731e6, 0x4284c642, 0x68d0b868, 0x4182c341, 0x9929b099, - 0x2d5a772d, 0x0f1e110f, 0xb07bcbb0, 0x54a8fc54, 0xbb6dd6bb, - 0x162c3a16 - }; - - private static readonly uint[] T3 = - { - 0xc6a56363, 0xf8847c7c, 0xee997777, 0xf68d7b7b, 0xff0df2f2, - 0xd6bd6b6b, 0xdeb16f6f, 0x9154c5c5, 0x60503030, 0x02030101, - 0xcea96767, 0x567d2b2b, 0xe719fefe, 0xb562d7d7, 0x4de6abab, - 0xec9a7676, 0x8f45caca, 0x1f9d8282, 0x8940c9c9, 0xfa877d7d, - 0xef15fafa, 0xb2eb5959, 0x8ec94747, 0xfb0bf0f0, 0x41ecadad, - 0xb367d4d4, 0x5ffda2a2, 0x45eaafaf, 0x23bf9c9c, 0x53f7a4a4, - 0xe4967272, 0x9b5bc0c0, 0x75c2b7b7, 0xe11cfdfd, 0x3dae9393, - 0x4c6a2626, 0x6c5a3636, 0x7e413f3f, 0xf502f7f7, 0x834fcccc, - 0x685c3434, 0x51f4a5a5, 0xd134e5e5, 0xf908f1f1, 0xe2937171, - 0xab73d8d8, 0x62533131, 0x2a3f1515, 0x080c0404, 0x9552c7c7, - 0x46652323, 0x9d5ec3c3, 0x30281818, 0x37a19696, 0x0a0f0505, - 0x2fb59a9a, 0x0e090707, 0x24361212, 0x1b9b8080, 0xdf3de2e2, - 0xcd26ebeb, 0x4e692727, 0x7fcdb2b2, 0xea9f7575, 0x121b0909, - 0x1d9e8383, 0x58742c2c, 0x342e1a1a, 0x362d1b1b, 0xdcb26e6e, - 0xb4ee5a5a, 0x5bfba0a0, 0xa4f65252, 0x764d3b3b, 0xb761d6d6, - 0x7dceb3b3, 0x527b2929, 0xdd3ee3e3, 0x5e712f2f, 0x13978484, - 0xa6f55353, 0xb968d1d1, 0x00000000, 0xc12ceded, 0x40602020, - 0xe31ffcfc, 0x79c8b1b1, 0xb6ed5b5b, 0xd4be6a6a, 0x8d46cbcb, - 0x67d9bebe, 0x724b3939, 0x94de4a4a, 0x98d44c4c, 0xb0e85858, - 0x854acfcf, 0xbb6bd0d0, 0xc52aefef, 0x4fe5aaaa, 0xed16fbfb, - 0x86c54343, 0x9ad74d4d, 0x66553333, 0x11948585, 0x8acf4545, - 0xe910f9f9, 0x04060202, 0xfe817f7f, 0xa0f05050, 0x78443c3c, - 0x25ba9f9f, 0x4be3a8a8, 0xa2f35151, 0x5dfea3a3, 0x80c04040, - 0x058a8f8f, 0x3fad9292, 0x21bc9d9d, 0x70483838, 0xf104f5f5, - 0x63dfbcbc, 0x77c1b6b6, 0xaf75dada, 0x42632121, 0x20301010, - 0xe51affff, 0xfd0ef3f3, 0xbf6dd2d2, 0x814ccdcd, 0x18140c0c, - 0x26351313, 0xc32fecec, 0xbee15f5f, 0x35a29797, 0x88cc4444, - 0x2e391717, 0x9357c4c4, 0x55f2a7a7, 0xfc827e7e, 0x7a473d3d, - 0xc8ac6464, 0xbae75d5d, 0x322b1919, 0xe6957373, 0xc0a06060, - 0x19988181, 0x9ed14f4f, 0xa37fdcdc, 0x44662222, 0x547e2a2a, - 0x3bab9090, 0x0b838888, 0x8cca4646, 0xc729eeee, 0x6bd3b8b8, - 0x283c1414, 0xa779dede, 0xbce25e5e, 0x161d0b0b, 0xad76dbdb, - 0xdb3be0e0, 0x64563232, 0x744e3a3a, 0x141e0a0a, 0x92db4949, - 0x0c0a0606, 0x486c2424, 0xb8e45c5c, 0x9f5dc2c2, 0xbd6ed3d3, - 0x43efacac, 0xc4a66262, 0x39a89191, 0x31a49595, 0xd337e4e4, - 0xf28b7979, 0xd532e7e7, 0x8b43c8c8, 0x6e593737, 0xdab76d6d, - 0x018c8d8d, 0xb164d5d5, 0x9cd24e4e, 0x49e0a9a9, 0xd8b46c6c, - 0xacfa5656, 0xf307f4f4, 0xcf25eaea, 0xcaaf6565, 0xf48e7a7a, - 0x47e9aeae, 0x10180808, 0x6fd5baba, 0xf0887878, 0x4a6f2525, - 0x5c722e2e, 0x38241c1c, 0x57f1a6a6, 0x73c7b4b4, 0x9751c6c6, - 0xcb23e8e8, 0xa17cdddd, 0xe89c7474, 0x3e211f1f, 0x96dd4b4b, - 0x61dcbdbd, 0x0d868b8b, 0x0f858a8a, 0xe0907070, 0x7c423e3e, - 0x71c4b5b5, 0xccaa6666, 0x90d84848, 0x06050303, 0xf701f6f6, - 0x1c120e0e, 0xc2a36161, 0x6a5f3535, 0xaef95757, 0x69d0b9b9, - 0x17918686, 0x9958c1c1, 0x3a271d1d, 0x27b99e9e, 0xd938e1e1, - 0xeb13f8f8, 0x2bb39898, 0x22331111, 0xd2bb6969, 0xa970d9d9, - 0x07898e8e, 0x33a79494, 0x2db69b9b, 0x3c221e1e, 0x15928787, - 0xc920e9e9, 0x8749cece, 0xaaff5555, 0x50782828, 0xa57adfdf, - 0x038f8c8c, 0x59f8a1a1, 0x09808989, 0x1a170d0d, 0x65dabfbf, - 0xd731e6e6, 0x84c64242, 0xd0b86868, 0x82c34141, 0x29b09999, - 0x5a772d2d, 0x1e110f0f, 0x7bcbb0b0, 0xa8fc5454, 0x6dd6bbbb, - 0x2c3a1616 - }; - - private static readonly uint[] Tinv0 = - { - 0x50a7f451, 0x5365417e, 0xc3a4171a, 0x965e273a, 0xcb6bab3b, - 0xf1459d1f, 0xab58faac, 0x9303e34b, 0x55fa3020, 0xf66d76ad, - 0x9176cc88, 0x254c02f5, 0xfcd7e54f, 0xd7cb2ac5, 0x80443526, - 0x8fa362b5, 0x495ab1de, 0x671bba25, 0x980eea45, 0xe1c0fe5d, - 0x02752fc3, 0x12f04c81, 0xa397468d, 0xc6f9d36b, 0xe75f8f03, - 0x959c9215, 0xeb7a6dbf, 0xda595295, 0x2d83bed4, 0xd3217458, - 0x2969e049, 0x44c8c98e, 0x6a89c275, 0x78798ef4, 0x6b3e5899, - 0xdd71b927, 0xb64fe1be, 0x17ad88f0, 0x66ac20c9, 0xb43ace7d, - 0x184adf63, 0x82311ae5, 0x60335197, 0x457f5362, 0xe07764b1, - 0x84ae6bbb, 0x1ca081fe, 0x942b08f9, 0x58684870, 0x19fd458f, - 0x876cde94, 0xb7f87b52, 0x23d373ab, 0xe2024b72, 0x578f1fe3, - 0x2aab5566, 0x0728ebb2, 0x03c2b52f, 0x9a7bc586, 0xa50837d3, - 0xf2872830, 0xb2a5bf23, 0xba6a0302, 0x5c8216ed, 0x2b1ccf8a, - 0x92b479a7, 0xf0f207f3, 0xa1e2694e, 0xcdf4da65, 0xd5be0506, - 0x1f6234d1, 0x8afea6c4, 0x9d532e34, 0xa055f3a2, 0x32e18a05, - 0x75ebf6a4, 0x39ec830b, 0xaaef6040, 0x069f715e, 0x51106ebd, - 0xf98a213e, 0x3d06dd96, 0xae053edd, 0x46bde64d, 0xb58d5491, - 0x055dc471, 0x6fd40604, 0xff155060, 0x24fb9819, 0x97e9bdd6, - 0xcc434089, 0x779ed967, 0xbd42e8b0, 0x888b8907, 0x385b19e7, - 0xdbeec879, 0x470a7ca1, 0xe90f427c, 0xc91e84f8, 0x00000000, - 0x83868009, 0x48ed2b32, 0xac70111e, 0x4e725a6c, 0xfbff0efd, - 0x5638850f, 0x1ed5ae3d, 0x27392d36, 0x64d90f0a, 0x21a65c68, - 0xd1545b9b, 0x3a2e3624, 0xb1670a0c, 0x0fe75793, 0xd296eeb4, - 0x9e919b1b, 0x4fc5c080, 0xa220dc61, 0x694b775a, 0x161a121c, - 0x0aba93e2, 0xe52aa0c0, 0x43e0223c, 0x1d171b12, 0x0b0d090e, - 0xadc78bf2, 0xb9a8b62d, 0xc8a91e14, 0x8519f157, 0x4c0775af, - 0xbbdd99ee, 0xfd607fa3, 0x9f2601f7, 0xbcf5725c, 0xc53b6644, - 0x347efb5b, 0x7629438b, 0xdcc623cb, 0x68fcedb6, 0x63f1e4b8, - 0xcadc31d7, 0x10856342, 0x40229713, 0x2011c684, 0x7d244a85, - 0xf83dbbd2, 0x1132f9ae, 0x6da129c7, 0x4b2f9e1d, 0xf330b2dc, - 0xec52860d, 0xd0e3c177, 0x6c16b32b, 0x99b970a9, 0xfa489411, - 0x2264e947, 0xc48cfca8, 0x1a3ff0a0, 0xd82c7d56, 0xef903322, - 0xc74e4987, 0xc1d138d9, 0xfea2ca8c, 0x360bd498, 0xcf81f5a6, - 0x28de7aa5, 0x268eb7da, 0xa4bfad3f, 0xe49d3a2c, 0x0d927850, - 0x9bcc5f6a, 0x62467e54, 0xc2138df6, 0xe8b8d890, 0x5ef7392e, - 0xf5afc382, 0xbe805d9f, 0x7c93d069, 0xa92dd56f, 0xb31225cf, - 0x3b99acc8, 0xa77d1810, 0x6e639ce8, 0x7bbb3bdb, 0x097826cd, - 0xf418596e, 0x01b79aec, 0xa89a4f83, 0x656e95e6, 0x7ee6ffaa, - 0x08cfbc21, 0xe6e815ef, 0xd99be7ba, 0xce366f4a, 0xd4099fea, - 0xd67cb029, 0xafb2a431, 0x31233f2a, 0x3094a5c6, 0xc066a235, - 0x37bc4e74, 0xa6ca82fc, 0xb0d090e0, 0x15d8a733, 0x4a9804f1, - 0xf7daec41, 0x0e50cd7f, 0x2ff69117, 0x8dd64d76, 0x4db0ef43, - 0x544daacc, 0xdf0496e4, 0xe3b5d19e, 0x1b886a4c, 0xb81f2cc1, - 0x7f516546, 0x04ea5e9d, 0x5d358c01, 0x737487fa, 0x2e410bfb, - 0x5a1d67b3, 0x52d2db92, 0x335610e9, 0x1347d66d, 0x8c61d79a, - 0x7a0ca137, 0x8e14f859, 0x893c13eb, 0xee27a9ce, 0x35c961b7, - 0xede51ce1, 0x3cb1477a, 0x59dfd29c, 0x3f73f255, 0x79ce1418, - 0xbf37c773, 0xeacdf753, 0x5baafd5f, 0x146f3ddf, 0x86db4478, - 0x81f3afca, 0x3ec468b9, 0x2c342438, 0x5f40a3c2, 0x72c31d16, - 0x0c25e2bc, 0x8b493c28, 0x41950dff, 0x7101a839, 0xdeb30c08, - 0x9ce4b4d8, 0x90c15664, 0x6184cb7b, 0x70b632d5, 0x745c6c48, - 0x4257b8d0 - }; - - private static readonly uint[] Tinv1 = - { - 0xa7f45150, 0x65417e53, 0xa4171ac3, 0x5e273a96, 0x6bab3bcb, - 0x459d1ff1, 0x58faacab, 0x03e34b93, 0xfa302055, 0x6d76adf6, - 0x76cc8891, 0x4c02f525, 0xd7e54ffc, 0xcb2ac5d7, 0x44352680, - 0xa362b58f, 0x5ab1de49, 0x1bba2567, 0x0eea4598, 0xc0fe5de1, - 0x752fc302, 0xf04c8112, 0x97468da3, 0xf9d36bc6, 0x5f8f03e7, - 0x9c921595, 0x7a6dbfeb, 0x595295da, 0x83bed42d, 0x217458d3, - 0x69e04929, 0xc8c98e44, 0x89c2756a, 0x798ef478, 0x3e58996b, - 0x71b927dd, 0x4fe1beb6, 0xad88f017, 0xac20c966, 0x3ace7db4, - 0x4adf6318, 0x311ae582, 0x33519760, 0x7f536245, 0x7764b1e0, - 0xae6bbb84, 0xa081fe1c, 0x2b08f994, 0x68487058, 0xfd458f19, - 0x6cde9487, 0xf87b52b7, 0xd373ab23, 0x024b72e2, 0x8f1fe357, - 0xab55662a, 0x28ebb207, 0xc2b52f03, 0x7bc5869a, 0x0837d3a5, - 0x872830f2, 0xa5bf23b2, 0x6a0302ba, 0x8216ed5c, 0x1ccf8a2b, - 0xb479a792, 0xf207f3f0, 0xe2694ea1, 0xf4da65cd, 0xbe0506d5, - 0x6234d11f, 0xfea6c48a, 0x532e349d, 0x55f3a2a0, 0xe18a0532, - 0xebf6a475, 0xec830b39, 0xef6040aa, 0x9f715e06, 0x106ebd51, - 0x8a213ef9, 0x06dd963d, 0x053eddae, 0xbde64d46, 0x8d5491b5, - 0x5dc47105, 0xd406046f, 0x155060ff, 0xfb981924, 0xe9bdd697, - 0x434089cc, 0x9ed96777, 0x42e8b0bd, 0x8b890788, 0x5b19e738, - 0xeec879db, 0x0a7ca147, 0x0f427ce9, 0x1e84f8c9, 0x00000000, - 0x86800983, 0xed2b3248, 0x70111eac, 0x725a6c4e, 0xff0efdfb, - 0x38850f56, 0xd5ae3d1e, 0x392d3627, 0xd90f0a64, 0xa65c6821, - 0x545b9bd1, 0x2e36243a, 0x670a0cb1, 0xe757930f, 0x96eeb4d2, - 0x919b1b9e, 0xc5c0804f, 0x20dc61a2, 0x4b775a69, 0x1a121c16, - 0xba93e20a, 0x2aa0c0e5, 0xe0223c43, 0x171b121d, 0x0d090e0b, - 0xc78bf2ad, 0xa8b62db9, 0xa91e14c8, 0x19f15785, 0x0775af4c, - 0xdd99eebb, 0x607fa3fd, 0x2601f79f, 0xf5725cbc, 0x3b6644c5, - 0x7efb5b34, 0x29438b76, 0xc623cbdc, 0xfcedb668, 0xf1e4b863, - 0xdc31d7ca, 0x85634210, 0x22971340, 0x11c68420, 0x244a857d, - 0x3dbbd2f8, 0x32f9ae11, 0xa129c76d, 0x2f9e1d4b, 0x30b2dcf3, - 0x52860dec, 0xe3c177d0, 0x16b32b6c, 0xb970a999, 0x489411fa, - 0x64e94722, 0x8cfca8c4, 0x3ff0a01a, 0x2c7d56d8, 0x903322ef, - 0x4e4987c7, 0xd138d9c1, 0xa2ca8cfe, 0x0bd49836, 0x81f5a6cf, - 0xde7aa528, 0x8eb7da26, 0xbfad3fa4, 0x9d3a2ce4, 0x9278500d, - 0xcc5f6a9b, 0x467e5462, 0x138df6c2, 0xb8d890e8, 0xf7392e5e, - 0xafc382f5, 0x805d9fbe, 0x93d0697c, 0x2dd56fa9, 0x1225cfb3, - 0x99acc83b, 0x7d1810a7, 0x639ce86e, 0xbb3bdb7b, 0x7826cd09, - 0x18596ef4, 0xb79aec01, 0x9a4f83a8, 0x6e95e665, 0xe6ffaa7e, - 0xcfbc2108, 0xe815efe6, 0x9be7bad9, 0x366f4ace, 0x099fead4, - 0x7cb029d6, 0xb2a431af, 0x233f2a31, 0x94a5c630, 0x66a235c0, - 0xbc4e7437, 0xca82fca6, 0xd090e0b0, 0xd8a73315, 0x9804f14a, - 0xdaec41f7, 0x50cd7f0e, 0xf691172f, 0xd64d768d, 0xb0ef434d, - 0x4daacc54, 0x0496e4df, 0xb5d19ee3, 0x886a4c1b, 0x1f2cc1b8, - 0x5165467f, 0xea5e9d04, 0x358c015d, 0x7487fa73, 0x410bfb2e, - 0x1d67b35a, 0xd2db9252, 0x5610e933, 0x47d66d13, 0x61d79a8c, - 0x0ca1377a, 0x14f8598e, 0x3c13eb89, 0x27a9ceee, 0xc961b735, - 0xe51ce1ed, 0xb1477a3c, 0xdfd29c59, 0x73f2553f, 0xce141879, - 0x37c773bf, 0xcdf753ea, 0xaafd5f5b, 0x6f3ddf14, 0xdb447886, - 0xf3afca81, 0xc468b93e, 0x3424382c, 0x40a3c25f, 0xc31d1672, - 0x25e2bc0c, 0x493c288b, 0x950dff41, 0x01a83971, 0xb30c08de, - 0xe4b4d89c, 0xc1566490, 0x84cb7b61, 0xb632d570, 0x5c6c4874, - 0x57b8d042 - }; - - private static readonly uint[] Tinv2 = - { - 0xf45150a7, 0x417e5365, 0x171ac3a4, 0x273a965e, 0xab3bcb6b, - 0x9d1ff145, 0xfaacab58, 0xe34b9303, 0x302055fa, 0x76adf66d, - 0xcc889176, 0x02f5254c, 0xe54ffcd7, 0x2ac5d7cb, 0x35268044, - 0x62b58fa3, 0xb1de495a, 0xba25671b, 0xea45980e, 0xfe5de1c0, - 0x2fc30275, 0x4c8112f0, 0x468da397, 0xd36bc6f9, 0x8f03e75f, - 0x9215959c, 0x6dbfeb7a, 0x5295da59, 0xbed42d83, 0x7458d321, - 0xe0492969, 0xc98e44c8, 0xc2756a89, 0x8ef47879, 0x58996b3e, - 0xb927dd71, 0xe1beb64f, 0x88f017ad, 0x20c966ac, 0xce7db43a, - 0xdf63184a, 0x1ae58231, 0x51976033, 0x5362457f, 0x64b1e077, - 0x6bbb84ae, 0x81fe1ca0, 0x08f9942b, 0x48705868, 0x458f19fd, - 0xde94876c, 0x7b52b7f8, 0x73ab23d3, 0x4b72e202, 0x1fe3578f, - 0x55662aab, 0xebb20728, 0xb52f03c2, 0xc5869a7b, 0x37d3a508, - 0x2830f287, 0xbf23b2a5, 0x0302ba6a, 0x16ed5c82, 0xcf8a2b1c, - 0x79a792b4, 0x07f3f0f2, 0x694ea1e2, 0xda65cdf4, 0x0506d5be, - 0x34d11f62, 0xa6c48afe, 0x2e349d53, 0xf3a2a055, 0x8a0532e1, - 0xf6a475eb, 0x830b39ec, 0x6040aaef, 0x715e069f, 0x6ebd5110, - 0x213ef98a, 0xdd963d06, 0x3eddae05, 0xe64d46bd, 0x5491b58d, - 0xc471055d, 0x06046fd4, 0x5060ff15, 0x981924fb, 0xbdd697e9, - 0x4089cc43, 0xd967779e, 0xe8b0bd42, 0x8907888b, 0x19e7385b, - 0xc879dbee, 0x7ca1470a, 0x427ce90f, 0x84f8c91e, 0x00000000, - 0x80098386, 0x2b3248ed, 0x111eac70, 0x5a6c4e72, 0x0efdfbff, - 0x850f5638, 0xae3d1ed5, 0x2d362739, 0x0f0a64d9, 0x5c6821a6, - 0x5b9bd154, 0x36243a2e, 0x0a0cb167, 0x57930fe7, 0xeeb4d296, - 0x9b1b9e91, 0xc0804fc5, 0xdc61a220, 0x775a694b, 0x121c161a, - 0x93e20aba, 0xa0c0e52a, 0x223c43e0, 0x1b121d17, 0x090e0b0d, - 0x8bf2adc7, 0xb62db9a8, 0x1e14c8a9, 0xf1578519, 0x75af4c07, - 0x99eebbdd, 0x7fa3fd60, 0x01f79f26, 0x725cbcf5, 0x6644c53b, - 0xfb5b347e, 0x438b7629, 0x23cbdcc6, 0xedb668fc, 0xe4b863f1, - 0x31d7cadc, 0x63421085, 0x97134022, 0xc6842011, 0x4a857d24, - 0xbbd2f83d, 0xf9ae1132, 0x29c76da1, 0x9e1d4b2f, 0xb2dcf330, - 0x860dec52, 0xc177d0e3, 0xb32b6c16, 0x70a999b9, 0x9411fa48, - 0xe9472264, 0xfca8c48c, 0xf0a01a3f, 0x7d56d82c, 0x3322ef90, - 0x4987c74e, 0x38d9c1d1, 0xca8cfea2, 0xd498360b, 0xf5a6cf81, - 0x7aa528de, 0xb7da268e, 0xad3fa4bf, 0x3a2ce49d, 0x78500d92, - 0x5f6a9bcc, 0x7e546246, 0x8df6c213, 0xd890e8b8, 0x392e5ef7, - 0xc382f5af, 0x5d9fbe80, 0xd0697c93, 0xd56fa92d, 0x25cfb312, - 0xacc83b99, 0x1810a77d, 0x9ce86e63, 0x3bdb7bbb, 0x26cd0978, - 0x596ef418, 0x9aec01b7, 0x4f83a89a, 0x95e6656e, 0xffaa7ee6, - 0xbc2108cf, 0x15efe6e8, 0xe7bad99b, 0x6f4ace36, 0x9fead409, - 0xb029d67c, 0xa431afb2, 0x3f2a3123, 0xa5c63094, 0xa235c066, - 0x4e7437bc, 0x82fca6ca, 0x90e0b0d0, 0xa73315d8, 0x04f14a98, - 0xec41f7da, 0xcd7f0e50, 0x91172ff6, 0x4d768dd6, 0xef434db0, - 0xaacc544d, 0x96e4df04, 0xd19ee3b5, 0x6a4c1b88, 0x2cc1b81f, - 0x65467f51, 0x5e9d04ea, 0x8c015d35, 0x87fa7374, 0x0bfb2e41, - 0x67b35a1d, 0xdb9252d2, 0x10e93356, 0xd66d1347, 0xd79a8c61, - 0xa1377a0c, 0xf8598e14, 0x13eb893c, 0xa9ceee27, 0x61b735c9, - 0x1ce1ede5, 0x477a3cb1, 0xd29c59df, 0xf2553f73, 0x141879ce, - 0xc773bf37, 0xf753eacd, 0xfd5f5baa, 0x3ddf146f, 0x447886db, - 0xafca81f3, 0x68b93ec4, 0x24382c34, 0xa3c25f40, 0x1d1672c3, - 0xe2bc0c25, 0x3c288b49, 0x0dff4195, 0xa8397101, 0x0c08deb3, - 0xb4d89ce4, 0x566490c1, 0xcb7b6184, 0x32d570b6, 0x6c48745c, - 0xb8d04257 - }; - - private static readonly uint[] Tinv3 = - { - 0x5150a7f4, 0x7e536541, 0x1ac3a417, 0x3a965e27, 0x3bcb6bab, - 0x1ff1459d, 0xacab58fa, 0x4b9303e3, 0x2055fa30, 0xadf66d76, - 0x889176cc, 0xf5254c02, 0x4ffcd7e5, 0xc5d7cb2a, 0x26804435, - 0xb58fa362, 0xde495ab1, 0x25671bba, 0x45980eea, 0x5de1c0fe, - 0xc302752f, 0x8112f04c, 0x8da39746, 0x6bc6f9d3, 0x03e75f8f, - 0x15959c92, 0xbfeb7a6d, 0x95da5952, 0xd42d83be, 0x58d32174, - 0x492969e0, 0x8e44c8c9, 0x756a89c2, 0xf478798e, 0x996b3e58, - 0x27dd71b9, 0xbeb64fe1, 0xf017ad88, 0xc966ac20, 0x7db43ace, - 0x63184adf, 0xe582311a, 0x97603351, 0x62457f53, 0xb1e07764, - 0xbb84ae6b, 0xfe1ca081, 0xf9942b08, 0x70586848, 0x8f19fd45, - 0x94876cde, 0x52b7f87b, 0xab23d373, 0x72e2024b, 0xe3578f1f, - 0x662aab55, 0xb20728eb, 0x2f03c2b5, 0x869a7bc5, 0xd3a50837, - 0x30f28728, 0x23b2a5bf, 0x02ba6a03, 0xed5c8216, 0x8a2b1ccf, - 0xa792b479, 0xf3f0f207, 0x4ea1e269, 0x65cdf4da, 0x06d5be05, - 0xd11f6234, 0xc48afea6, 0x349d532e, 0xa2a055f3, 0x0532e18a, - 0xa475ebf6, 0x0b39ec83, 0x40aaef60, 0x5e069f71, 0xbd51106e, - 0x3ef98a21, 0x963d06dd, 0xddae053e, 0x4d46bde6, 0x91b58d54, - 0x71055dc4, 0x046fd406, 0x60ff1550, 0x1924fb98, 0xd697e9bd, - 0x89cc4340, 0x67779ed9, 0xb0bd42e8, 0x07888b89, 0xe7385b19, - 0x79dbeec8, 0xa1470a7c, 0x7ce90f42, 0xf8c91e84, 0x00000000, - 0x09838680, 0x3248ed2b, 0x1eac7011, 0x6c4e725a, 0xfdfbff0e, - 0x0f563885, 0x3d1ed5ae, 0x3627392d, 0x0a64d90f, 0x6821a65c, - 0x9bd1545b, 0x243a2e36, 0x0cb1670a, 0x930fe757, 0xb4d296ee, - 0x1b9e919b, 0x804fc5c0, 0x61a220dc, 0x5a694b77, 0x1c161a12, - 0xe20aba93, 0xc0e52aa0, 0x3c43e022, 0x121d171b, 0x0e0b0d09, - 0xf2adc78b, 0x2db9a8b6, 0x14c8a91e, 0x578519f1, 0xaf4c0775, - 0xeebbdd99, 0xa3fd607f, 0xf79f2601, 0x5cbcf572, 0x44c53b66, - 0x5b347efb, 0x8b762943, 0xcbdcc623, 0xb668fced, 0xb863f1e4, - 0xd7cadc31, 0x42108563, 0x13402297, 0x842011c6, 0x857d244a, - 0xd2f83dbb, 0xae1132f9, 0xc76da129, 0x1d4b2f9e, 0xdcf330b2, - 0x0dec5286, 0x77d0e3c1, 0x2b6c16b3, 0xa999b970, 0x11fa4894, - 0x472264e9, 0xa8c48cfc, 0xa01a3ff0, 0x56d82c7d, 0x22ef9033, - 0x87c74e49, 0xd9c1d138, 0x8cfea2ca, 0x98360bd4, 0xa6cf81f5, - 0xa528de7a, 0xda268eb7, 0x3fa4bfad, 0x2ce49d3a, 0x500d9278, - 0x6a9bcc5f, 0x5462467e, 0xf6c2138d, 0x90e8b8d8, 0x2e5ef739, - 0x82f5afc3, 0x9fbe805d, 0x697c93d0, 0x6fa92dd5, 0xcfb31225, - 0xc83b99ac, 0x10a77d18, 0xe86e639c, 0xdb7bbb3b, 0xcd097826, - 0x6ef41859, 0xec01b79a, 0x83a89a4f, 0xe6656e95, 0xaa7ee6ff, - 0x2108cfbc, 0xefe6e815, 0xbad99be7, 0x4ace366f, 0xead4099f, - 0x29d67cb0, 0x31afb2a4, 0x2a31233f, 0xc63094a5, 0x35c066a2, - 0x7437bc4e, 0xfca6ca82, 0xe0b0d090, 0x3315d8a7, 0xf14a9804, - 0x41f7daec, 0x7f0e50cd, 0x172ff691, 0x768dd64d, 0x434db0ef, - 0xcc544daa, 0xe4df0496, 0x9ee3b5d1, 0x4c1b886a, 0xc1b81f2c, - 0x467f5165, 0x9d04ea5e, 0x015d358c, 0xfa737487, 0xfb2e410b, - 0xb35a1d67, 0x9252d2db, 0xe9335610, 0x6d1347d6, 0x9a8c61d7, - 0x377a0ca1, 0x598e14f8, 0xeb893c13, 0xceee27a9, 0xb735c961, - 0xe1ede51c, 0x7a3cb147, 0x9c59dfd2, 0x553f73f2, 0x1879ce14, - 0x73bf37c7, 0x53eacdf7, 0x5f5baafd, 0xdf146f3d, 0x7886db44, - 0xca81f3af, 0xb93ec468, 0x382c3424, 0xc25f40a3, 0x1672c31d, - 0xbc0c25e2, 0x288b493c, 0xff41950d, 0x397101a8, 0x08deb30c, - 0xd89ce4b4, 0x6490c156, 0x7b6184cb, 0xd570b632, 0x48745c6c, - 0xd04257b8 - }; + { + 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, + 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91 + }; + + // precomputation tables of calculations for rounds + private static readonly uint[] T0 = + { + 0xa56363c6, 0x847c7cf8, 0x997777ee, 0x8d7b7bf6, 0x0df2f2ff, + 0xbd6b6bd6, 0xb16f6fde, 0x54c5c591, 0x50303060, 0x03010102, + 0xa96767ce, 0x7d2b2b56, 0x19fefee7, 0x62d7d7b5, 0xe6abab4d, + 0x9a7676ec, 0x45caca8f, 0x9d82821f, 0x40c9c989, 0x877d7dfa, + 0x15fafaef, 0xeb5959b2, 0xc947478e, 0x0bf0f0fb, 0xecadad41, + 0x67d4d4b3, 0xfda2a25f, 0xeaafaf45, 0xbf9c9c23, 0xf7a4a453, + 0x967272e4, 0x5bc0c09b, 0xc2b7b775, 0x1cfdfde1, 0xae93933d, + 0x6a26264c, 0x5a36366c, 0x413f3f7e, 0x02f7f7f5, 0x4fcccc83, + 0x5c343468, 0xf4a5a551, 0x34e5e5d1, 0x08f1f1f9, 0x937171e2, + 0x73d8d8ab, 0x53313162, 0x3f15152a, 0x0c040408, 0x52c7c795, + 0x65232346, 0x5ec3c39d, 0x28181830, 0xa1969637, 0x0f05050a, + 0xb59a9a2f, 0x0907070e, 0x36121224, 0x9b80801b, 0x3de2e2df, + 0x26ebebcd, 0x6927274e, 0xcdb2b27f, 0x9f7575ea, 0x1b090912, + 0x9e83831d, 0x742c2c58, 0x2e1a1a34, 0x2d1b1b36, 0xb26e6edc, + 0xee5a5ab4, 0xfba0a05b, 0xf65252a4, 0x4d3b3b76, 0x61d6d6b7, + 0xceb3b37d, 0x7b292952, 0x3ee3e3dd, 0x712f2f5e, 0x97848413, + 0xf55353a6, 0x68d1d1b9, 0x00000000, 0x2cededc1, 0x60202040, + 0x1ffcfce3, 0xc8b1b179, 0xed5b5bb6, 0xbe6a6ad4, 0x46cbcb8d, + 0xd9bebe67, 0x4b393972, 0xde4a4a94, 0xd44c4c98, 0xe85858b0, + 0x4acfcf85, 0x6bd0d0bb, 0x2aefefc5, 0xe5aaaa4f, 0x16fbfbed, + 0xc5434386, 0xd74d4d9a, 0x55333366, 0x94858511, 0xcf45458a, + 0x10f9f9e9, 0x06020204, 0x817f7ffe, 0xf05050a0, 0x443c3c78, + 0xba9f9f25, 0xe3a8a84b, 0xf35151a2, 0xfea3a35d, 0xc0404080, + 0x8a8f8f05, 0xad92923f, 0xbc9d9d21, 0x48383870, 0x04f5f5f1, + 0xdfbcbc63, 0xc1b6b677, 0x75dadaaf, 0x63212142, 0x30101020, + 0x1affffe5, 0x0ef3f3fd, 0x6dd2d2bf, 0x4ccdcd81, 0x140c0c18, + 0x35131326, 0x2fececc3, 0xe15f5fbe, 0xa2979735, 0xcc444488, + 0x3917172e, 0x57c4c493, 0xf2a7a755, 0x827e7efc, 0x473d3d7a, + 0xac6464c8, 0xe75d5dba, 0x2b191932, 0x957373e6, 0xa06060c0, + 0x98818119, 0xd14f4f9e, 0x7fdcdca3, 0x66222244, 0x7e2a2a54, + 0xab90903b, 0x8388880b, 0xca46468c, 0x29eeeec7, 0xd3b8b86b, + 0x3c141428, 0x79dedea7, 0xe25e5ebc, 0x1d0b0b16, 0x76dbdbad, + 0x3be0e0db, 0x56323264, 0x4e3a3a74, 0x1e0a0a14, 0xdb494992, + 0x0a06060c, 0x6c242448, 0xe45c5cb8, 0x5dc2c29f, 0x6ed3d3bd, + 0xefacac43, 0xa66262c4, 0xa8919139, 0xa4959531, 0x37e4e4d3, + 0x8b7979f2, 0x32e7e7d5, 0x43c8c88b, 0x5937376e, 0xb76d6dda, + 0x8c8d8d01, 0x64d5d5b1, 0xd24e4e9c, 0xe0a9a949, 0xb46c6cd8, + 0xfa5656ac, 0x07f4f4f3, 0x25eaeacf, 0xaf6565ca, 0x8e7a7af4, + 0xe9aeae47, 0x18080810, 0xd5baba6f, 0x887878f0, 0x6f25254a, + 0x722e2e5c, 0x241c1c38, 0xf1a6a657, 0xc7b4b473, 0x51c6c697, + 0x23e8e8cb, 0x7cdddda1, 0x9c7474e8, 0x211f1f3e, 0xdd4b4b96, + 0xdcbdbd61, 0x868b8b0d, 0x858a8a0f, 0x907070e0, 0x423e3e7c, + 0xc4b5b571, 0xaa6666cc, 0xd8484890, 0x05030306, 0x01f6f6f7, + 0x120e0e1c, 0xa36161c2, 0x5f35356a, 0xf95757ae, 0xd0b9b969, + 0x91868617, 0x58c1c199, 0x271d1d3a, 0xb99e9e27, 0x38e1e1d9, + 0x13f8f8eb, 0xb398982b, 0x33111122, 0xbb6969d2, 0x70d9d9a9, + 0x898e8e07, 0xa7949433, 0xb69b9b2d, 0x221e1e3c, 0x92878715, + 0x20e9e9c9, 0x49cece87, 0xff5555aa, 0x78282850, 0x7adfdfa5, + 0x8f8c8c03, 0xf8a1a159, 0x80898909, 0x170d0d1a, 0xdabfbf65, + 0x31e6e6d7, 0xc6424284, 0xb86868d0, 0xc3414182, 0xb0999929, + 0x772d2d5a, 0x110f0f1e, 0xcbb0b07b, 0xfc5454a8, 0xd6bbbb6d, + 0x3a16162c + }; + + private static readonly uint[] T1 = + { + 0x6363c6a5, 0x7c7cf884, 0x7777ee99, 0x7b7bf68d, 0xf2f2ff0d, + 0x6b6bd6bd, 0x6f6fdeb1, 0xc5c59154, 0x30306050, 0x01010203, + 0x6767cea9, 0x2b2b567d, 0xfefee719, 0xd7d7b562, 0xabab4de6, + 0x7676ec9a, 0xcaca8f45, 0x82821f9d, 0xc9c98940, 0x7d7dfa87, + 0xfafaef15, 0x5959b2eb, 0x47478ec9, 0xf0f0fb0b, 0xadad41ec, + 0xd4d4b367, 0xa2a25ffd, 0xafaf45ea, 0x9c9c23bf, 0xa4a453f7, + 0x7272e496, 0xc0c09b5b, 0xb7b775c2, 0xfdfde11c, 0x93933dae, + 0x26264c6a, 0x36366c5a, 0x3f3f7e41, 0xf7f7f502, 0xcccc834f, + 0x3434685c, 0xa5a551f4, 0xe5e5d134, 0xf1f1f908, 0x7171e293, + 0xd8d8ab73, 0x31316253, 0x15152a3f, 0x0404080c, 0xc7c79552, + 0x23234665, 0xc3c39d5e, 0x18183028, 0x969637a1, 0x05050a0f, + 0x9a9a2fb5, 0x07070e09, 0x12122436, 0x80801b9b, 0xe2e2df3d, + 0xebebcd26, 0x27274e69, 0xb2b27fcd, 0x7575ea9f, 0x0909121b, + 0x83831d9e, 0x2c2c5874, 0x1a1a342e, 0x1b1b362d, 0x6e6edcb2, + 0x5a5ab4ee, 0xa0a05bfb, 0x5252a4f6, 0x3b3b764d, 0xd6d6b761, + 0xb3b37dce, 0x2929527b, 0xe3e3dd3e, 0x2f2f5e71, 0x84841397, + 0x5353a6f5, 0xd1d1b968, 0x00000000, 0xededc12c, 0x20204060, + 0xfcfce31f, 0xb1b179c8, 0x5b5bb6ed, 0x6a6ad4be, 0xcbcb8d46, + 0xbebe67d9, 0x3939724b, 0x4a4a94de, 0x4c4c98d4, 0x5858b0e8, + 0xcfcf854a, 0xd0d0bb6b, 0xefefc52a, 0xaaaa4fe5, 0xfbfbed16, + 0x434386c5, 0x4d4d9ad7, 0x33336655, 0x85851194, 0x45458acf, + 0xf9f9e910, 0x02020406, 0x7f7ffe81, 0x5050a0f0, 0x3c3c7844, + 0x9f9f25ba, 0xa8a84be3, 0x5151a2f3, 0xa3a35dfe, 0x404080c0, + 0x8f8f058a, 0x92923fad, 0x9d9d21bc, 0x38387048, 0xf5f5f104, + 0xbcbc63df, 0xb6b677c1, 0xdadaaf75, 0x21214263, 0x10102030, + 0xffffe51a, 0xf3f3fd0e, 0xd2d2bf6d, 0xcdcd814c, 0x0c0c1814, + 0x13132635, 0xececc32f, 0x5f5fbee1, 0x979735a2, 0x444488cc, + 0x17172e39, 0xc4c49357, 0xa7a755f2, 0x7e7efc82, 0x3d3d7a47, + 0x6464c8ac, 0x5d5dbae7, 0x1919322b, 0x7373e695, 0x6060c0a0, + 0x81811998, 0x4f4f9ed1, 0xdcdca37f, 0x22224466, 0x2a2a547e, + 0x90903bab, 0x88880b83, 0x46468cca, 0xeeeec729, 0xb8b86bd3, + 0x1414283c, 0xdedea779, 0x5e5ebce2, 0x0b0b161d, 0xdbdbad76, + 0xe0e0db3b, 0x32326456, 0x3a3a744e, 0x0a0a141e, 0x494992db, + 0x06060c0a, 0x2424486c, 0x5c5cb8e4, 0xc2c29f5d, 0xd3d3bd6e, + 0xacac43ef, 0x6262c4a6, 0x919139a8, 0x959531a4, 0xe4e4d337, + 0x7979f28b, 0xe7e7d532, 0xc8c88b43, 0x37376e59, 0x6d6ddab7, + 0x8d8d018c, 0xd5d5b164, 0x4e4e9cd2, 0xa9a949e0, 0x6c6cd8b4, + 0x5656acfa, 0xf4f4f307, 0xeaeacf25, 0x6565caaf, 0x7a7af48e, + 0xaeae47e9, 0x08081018, 0xbaba6fd5, 0x7878f088, 0x25254a6f, + 0x2e2e5c72, 0x1c1c3824, 0xa6a657f1, 0xb4b473c7, 0xc6c69751, + 0xe8e8cb23, 0xdddda17c, 0x7474e89c, 0x1f1f3e21, 0x4b4b96dd, + 0xbdbd61dc, 0x8b8b0d86, 0x8a8a0f85, 0x7070e090, 0x3e3e7c42, + 0xb5b571c4, 0x6666ccaa, 0x484890d8, 0x03030605, 0xf6f6f701, + 0x0e0e1c12, 0x6161c2a3, 0x35356a5f, 0x5757aef9, 0xb9b969d0, + 0x86861791, 0xc1c19958, 0x1d1d3a27, 0x9e9e27b9, 0xe1e1d938, + 0xf8f8eb13, 0x98982bb3, 0x11112233, 0x6969d2bb, 0xd9d9a970, + 0x8e8e0789, 0x949433a7, 0x9b9b2db6, 0x1e1e3c22, 0x87871592, + 0xe9e9c920, 0xcece8749, 0x5555aaff, 0x28285078, 0xdfdfa57a, + 0x8c8c038f, 0xa1a159f8, 0x89890980, 0x0d0d1a17, 0xbfbf65da, + 0xe6e6d731, 0x424284c6, 0x6868d0b8, 0x414182c3, 0x999929b0, + 0x2d2d5a77, 0x0f0f1e11, 0xb0b07bcb, 0x5454a8fc, 0xbbbb6dd6, + 0x16162c3a + }; + + private static readonly uint[] T2 = + { + 0x63c6a563, 0x7cf8847c, 0x77ee9977, 0x7bf68d7b, 0xf2ff0df2, + 0x6bd6bd6b, 0x6fdeb16f, 0xc59154c5, 0x30605030, 0x01020301, + 0x67cea967, 0x2b567d2b, 0xfee719fe, 0xd7b562d7, 0xab4de6ab, + 0x76ec9a76, 0xca8f45ca, 0x821f9d82, 0xc98940c9, 0x7dfa877d, + 0xfaef15fa, 0x59b2eb59, 0x478ec947, 0xf0fb0bf0, 0xad41ecad, + 0xd4b367d4, 0xa25ffda2, 0xaf45eaaf, 0x9c23bf9c, 0xa453f7a4, + 0x72e49672, 0xc09b5bc0, 0xb775c2b7, 0xfde11cfd, 0x933dae93, + 0x264c6a26, 0x366c5a36, 0x3f7e413f, 0xf7f502f7, 0xcc834fcc, + 0x34685c34, 0xa551f4a5, 0xe5d134e5, 0xf1f908f1, 0x71e29371, + 0xd8ab73d8, 0x31625331, 0x152a3f15, 0x04080c04, 0xc79552c7, + 0x23466523, 0xc39d5ec3, 0x18302818, 0x9637a196, 0x050a0f05, + 0x9a2fb59a, 0x070e0907, 0x12243612, 0x801b9b80, 0xe2df3de2, + 0xebcd26eb, 0x274e6927, 0xb27fcdb2, 0x75ea9f75, 0x09121b09, + 0x831d9e83, 0x2c58742c, 0x1a342e1a, 0x1b362d1b, 0x6edcb26e, + 0x5ab4ee5a, 0xa05bfba0, 0x52a4f652, 0x3b764d3b, 0xd6b761d6, + 0xb37dceb3, 0x29527b29, 0xe3dd3ee3, 0x2f5e712f, 0x84139784, + 0x53a6f553, 0xd1b968d1, 0x00000000, 0xedc12ced, 0x20406020, + 0xfce31ffc, 0xb179c8b1, 0x5bb6ed5b, 0x6ad4be6a, 0xcb8d46cb, + 0xbe67d9be, 0x39724b39, 0x4a94de4a, 0x4c98d44c, 0x58b0e858, + 0xcf854acf, 0xd0bb6bd0, 0xefc52aef, 0xaa4fe5aa, 0xfbed16fb, + 0x4386c543, 0x4d9ad74d, 0x33665533, 0x85119485, 0x458acf45, + 0xf9e910f9, 0x02040602, 0x7ffe817f, 0x50a0f050, 0x3c78443c, + 0x9f25ba9f, 0xa84be3a8, 0x51a2f351, 0xa35dfea3, 0x4080c040, + 0x8f058a8f, 0x923fad92, 0x9d21bc9d, 0x38704838, 0xf5f104f5, + 0xbc63dfbc, 0xb677c1b6, 0xdaaf75da, 0x21426321, 0x10203010, + 0xffe51aff, 0xf3fd0ef3, 0xd2bf6dd2, 0xcd814ccd, 0x0c18140c, + 0x13263513, 0xecc32fec, 0x5fbee15f, 0x9735a297, 0x4488cc44, + 0x172e3917, 0xc49357c4, 0xa755f2a7, 0x7efc827e, 0x3d7a473d, + 0x64c8ac64, 0x5dbae75d, 0x19322b19, 0x73e69573, 0x60c0a060, + 0x81199881, 0x4f9ed14f, 0xdca37fdc, 0x22446622, 0x2a547e2a, + 0x903bab90, 0x880b8388, 0x468cca46, 0xeec729ee, 0xb86bd3b8, + 0x14283c14, 0xdea779de, 0x5ebce25e, 0x0b161d0b, 0xdbad76db, + 0xe0db3be0, 0x32645632, 0x3a744e3a, 0x0a141e0a, 0x4992db49, + 0x060c0a06, 0x24486c24, 0x5cb8e45c, 0xc29f5dc2, 0xd3bd6ed3, + 0xac43efac, 0x62c4a662, 0x9139a891, 0x9531a495, 0xe4d337e4, + 0x79f28b79, 0xe7d532e7, 0xc88b43c8, 0x376e5937, 0x6ddab76d, + 0x8d018c8d, 0xd5b164d5, 0x4e9cd24e, 0xa949e0a9, 0x6cd8b46c, + 0x56acfa56, 0xf4f307f4, 0xeacf25ea, 0x65caaf65, 0x7af48e7a, + 0xae47e9ae, 0x08101808, 0xba6fd5ba, 0x78f08878, 0x254a6f25, + 0x2e5c722e, 0x1c38241c, 0xa657f1a6, 0xb473c7b4, 0xc69751c6, + 0xe8cb23e8, 0xdda17cdd, 0x74e89c74, 0x1f3e211f, 0x4b96dd4b, + 0xbd61dcbd, 0x8b0d868b, 0x8a0f858a, 0x70e09070, 0x3e7c423e, + 0xb571c4b5, 0x66ccaa66, 0x4890d848, 0x03060503, 0xf6f701f6, + 0x0e1c120e, 0x61c2a361, 0x356a5f35, 0x57aef957, 0xb969d0b9, + 0x86179186, 0xc19958c1, 0x1d3a271d, 0x9e27b99e, 0xe1d938e1, + 0xf8eb13f8, 0x982bb398, 0x11223311, 0x69d2bb69, 0xd9a970d9, + 0x8e07898e, 0x9433a794, 0x9b2db69b, 0x1e3c221e, 0x87159287, + 0xe9c920e9, 0xce8749ce, 0x55aaff55, 0x28507828, 0xdfa57adf, + 0x8c038f8c, 0xa159f8a1, 0x89098089, 0x0d1a170d, 0xbf65dabf, + 0xe6d731e6, 0x4284c642, 0x68d0b868, 0x4182c341, 0x9929b099, + 0x2d5a772d, 0x0f1e110f, 0xb07bcbb0, 0x54a8fc54, 0xbb6dd6bb, + 0x162c3a16 + }; + + private static readonly uint[] T3 = + { + 0xc6a56363, 0xf8847c7c, 0xee997777, 0xf68d7b7b, 0xff0df2f2, + 0xd6bd6b6b, 0xdeb16f6f, 0x9154c5c5, 0x60503030, 0x02030101, + 0xcea96767, 0x567d2b2b, 0xe719fefe, 0xb562d7d7, 0x4de6abab, + 0xec9a7676, 0x8f45caca, 0x1f9d8282, 0x8940c9c9, 0xfa877d7d, + 0xef15fafa, 0xb2eb5959, 0x8ec94747, 0xfb0bf0f0, 0x41ecadad, + 0xb367d4d4, 0x5ffda2a2, 0x45eaafaf, 0x23bf9c9c, 0x53f7a4a4, + 0xe4967272, 0x9b5bc0c0, 0x75c2b7b7, 0xe11cfdfd, 0x3dae9393, + 0x4c6a2626, 0x6c5a3636, 0x7e413f3f, 0xf502f7f7, 0x834fcccc, + 0x685c3434, 0x51f4a5a5, 0xd134e5e5, 0xf908f1f1, 0xe2937171, + 0xab73d8d8, 0x62533131, 0x2a3f1515, 0x080c0404, 0x9552c7c7, + 0x46652323, 0x9d5ec3c3, 0x30281818, 0x37a19696, 0x0a0f0505, + 0x2fb59a9a, 0x0e090707, 0x24361212, 0x1b9b8080, 0xdf3de2e2, + 0xcd26ebeb, 0x4e692727, 0x7fcdb2b2, 0xea9f7575, 0x121b0909, + 0x1d9e8383, 0x58742c2c, 0x342e1a1a, 0x362d1b1b, 0xdcb26e6e, + 0xb4ee5a5a, 0x5bfba0a0, 0xa4f65252, 0x764d3b3b, 0xb761d6d6, + 0x7dceb3b3, 0x527b2929, 0xdd3ee3e3, 0x5e712f2f, 0x13978484, + 0xa6f55353, 0xb968d1d1, 0x00000000, 0xc12ceded, 0x40602020, + 0xe31ffcfc, 0x79c8b1b1, 0xb6ed5b5b, 0xd4be6a6a, 0x8d46cbcb, + 0x67d9bebe, 0x724b3939, 0x94de4a4a, 0x98d44c4c, 0xb0e85858, + 0x854acfcf, 0xbb6bd0d0, 0xc52aefef, 0x4fe5aaaa, 0xed16fbfb, + 0x86c54343, 0x9ad74d4d, 0x66553333, 0x11948585, 0x8acf4545, + 0xe910f9f9, 0x04060202, 0xfe817f7f, 0xa0f05050, 0x78443c3c, + 0x25ba9f9f, 0x4be3a8a8, 0xa2f35151, 0x5dfea3a3, 0x80c04040, + 0x058a8f8f, 0x3fad9292, 0x21bc9d9d, 0x70483838, 0xf104f5f5, + 0x63dfbcbc, 0x77c1b6b6, 0xaf75dada, 0x42632121, 0x20301010, + 0xe51affff, 0xfd0ef3f3, 0xbf6dd2d2, 0x814ccdcd, 0x18140c0c, + 0x26351313, 0xc32fecec, 0xbee15f5f, 0x35a29797, 0x88cc4444, + 0x2e391717, 0x9357c4c4, 0x55f2a7a7, 0xfc827e7e, 0x7a473d3d, + 0xc8ac6464, 0xbae75d5d, 0x322b1919, 0xe6957373, 0xc0a06060, + 0x19988181, 0x9ed14f4f, 0xa37fdcdc, 0x44662222, 0x547e2a2a, + 0x3bab9090, 0x0b838888, 0x8cca4646, 0xc729eeee, 0x6bd3b8b8, + 0x283c1414, 0xa779dede, 0xbce25e5e, 0x161d0b0b, 0xad76dbdb, + 0xdb3be0e0, 0x64563232, 0x744e3a3a, 0x141e0a0a, 0x92db4949, + 0x0c0a0606, 0x486c2424, 0xb8e45c5c, 0x9f5dc2c2, 0xbd6ed3d3, + 0x43efacac, 0xc4a66262, 0x39a89191, 0x31a49595, 0xd337e4e4, + 0xf28b7979, 0xd532e7e7, 0x8b43c8c8, 0x6e593737, 0xdab76d6d, + 0x018c8d8d, 0xb164d5d5, 0x9cd24e4e, 0x49e0a9a9, 0xd8b46c6c, + 0xacfa5656, 0xf307f4f4, 0xcf25eaea, 0xcaaf6565, 0xf48e7a7a, + 0x47e9aeae, 0x10180808, 0x6fd5baba, 0xf0887878, 0x4a6f2525, + 0x5c722e2e, 0x38241c1c, 0x57f1a6a6, 0x73c7b4b4, 0x9751c6c6, + 0xcb23e8e8, 0xa17cdddd, 0xe89c7474, 0x3e211f1f, 0x96dd4b4b, + 0x61dcbdbd, 0x0d868b8b, 0x0f858a8a, 0xe0907070, 0x7c423e3e, + 0x71c4b5b5, 0xccaa6666, 0x90d84848, 0x06050303, 0xf701f6f6, + 0x1c120e0e, 0xc2a36161, 0x6a5f3535, 0xaef95757, 0x69d0b9b9, + 0x17918686, 0x9958c1c1, 0x3a271d1d, 0x27b99e9e, 0xd938e1e1, + 0xeb13f8f8, 0x2bb39898, 0x22331111, 0xd2bb6969, 0xa970d9d9, + 0x07898e8e, 0x33a79494, 0x2db69b9b, 0x3c221e1e, 0x15928787, + 0xc920e9e9, 0x8749cece, 0xaaff5555, 0x50782828, 0xa57adfdf, + 0x038f8c8c, 0x59f8a1a1, 0x09808989, 0x1a170d0d, 0x65dabfbf, + 0xd731e6e6, 0x84c64242, 0xd0b86868, 0x82c34141, 0x29b09999, + 0x5a772d2d, 0x1e110f0f, 0x7bcbb0b0, 0xa8fc5454, 0x6dd6bbbb, + 0x2c3a1616 + }; + + private static readonly uint[] Tinv0 = + { + 0x50a7f451, 0x5365417e, 0xc3a4171a, 0x965e273a, 0xcb6bab3b, + 0xf1459d1f, 0xab58faac, 0x9303e34b, 0x55fa3020, 0xf66d76ad, + 0x9176cc88, 0x254c02f5, 0xfcd7e54f, 0xd7cb2ac5, 0x80443526, + 0x8fa362b5, 0x495ab1de, 0x671bba25, 0x980eea45, 0xe1c0fe5d, + 0x02752fc3, 0x12f04c81, 0xa397468d, 0xc6f9d36b, 0xe75f8f03, + 0x959c9215, 0xeb7a6dbf, 0xda595295, 0x2d83bed4, 0xd3217458, + 0x2969e049, 0x44c8c98e, 0x6a89c275, 0x78798ef4, 0x6b3e5899, + 0xdd71b927, 0xb64fe1be, 0x17ad88f0, 0x66ac20c9, 0xb43ace7d, + 0x184adf63, 0x82311ae5, 0x60335197, 0x457f5362, 0xe07764b1, + 0x84ae6bbb, 0x1ca081fe, 0x942b08f9, 0x58684870, 0x19fd458f, + 0x876cde94, 0xb7f87b52, 0x23d373ab, 0xe2024b72, 0x578f1fe3, + 0x2aab5566, 0x0728ebb2, 0x03c2b52f, 0x9a7bc586, 0xa50837d3, + 0xf2872830, 0xb2a5bf23, 0xba6a0302, 0x5c8216ed, 0x2b1ccf8a, + 0x92b479a7, 0xf0f207f3, 0xa1e2694e, 0xcdf4da65, 0xd5be0506, + 0x1f6234d1, 0x8afea6c4, 0x9d532e34, 0xa055f3a2, 0x32e18a05, + 0x75ebf6a4, 0x39ec830b, 0xaaef6040, 0x069f715e, 0x51106ebd, + 0xf98a213e, 0x3d06dd96, 0xae053edd, 0x46bde64d, 0xb58d5491, + 0x055dc471, 0x6fd40604, 0xff155060, 0x24fb9819, 0x97e9bdd6, + 0xcc434089, 0x779ed967, 0xbd42e8b0, 0x888b8907, 0x385b19e7, + 0xdbeec879, 0x470a7ca1, 0xe90f427c, 0xc91e84f8, 0x00000000, + 0x83868009, 0x48ed2b32, 0xac70111e, 0x4e725a6c, 0xfbff0efd, + 0x5638850f, 0x1ed5ae3d, 0x27392d36, 0x64d90f0a, 0x21a65c68, + 0xd1545b9b, 0x3a2e3624, 0xb1670a0c, 0x0fe75793, 0xd296eeb4, + 0x9e919b1b, 0x4fc5c080, 0xa220dc61, 0x694b775a, 0x161a121c, + 0x0aba93e2, 0xe52aa0c0, 0x43e0223c, 0x1d171b12, 0x0b0d090e, + 0xadc78bf2, 0xb9a8b62d, 0xc8a91e14, 0x8519f157, 0x4c0775af, + 0xbbdd99ee, 0xfd607fa3, 0x9f2601f7, 0xbcf5725c, 0xc53b6644, + 0x347efb5b, 0x7629438b, 0xdcc623cb, 0x68fcedb6, 0x63f1e4b8, + 0xcadc31d7, 0x10856342, 0x40229713, 0x2011c684, 0x7d244a85, + 0xf83dbbd2, 0x1132f9ae, 0x6da129c7, 0x4b2f9e1d, 0xf330b2dc, + 0xec52860d, 0xd0e3c177, 0x6c16b32b, 0x99b970a9, 0xfa489411, + 0x2264e947, 0xc48cfca8, 0x1a3ff0a0, 0xd82c7d56, 0xef903322, + 0xc74e4987, 0xc1d138d9, 0xfea2ca8c, 0x360bd498, 0xcf81f5a6, + 0x28de7aa5, 0x268eb7da, 0xa4bfad3f, 0xe49d3a2c, 0x0d927850, + 0x9bcc5f6a, 0x62467e54, 0xc2138df6, 0xe8b8d890, 0x5ef7392e, + 0xf5afc382, 0xbe805d9f, 0x7c93d069, 0xa92dd56f, 0xb31225cf, + 0x3b99acc8, 0xa77d1810, 0x6e639ce8, 0x7bbb3bdb, 0x097826cd, + 0xf418596e, 0x01b79aec, 0xa89a4f83, 0x656e95e6, 0x7ee6ffaa, + 0x08cfbc21, 0xe6e815ef, 0xd99be7ba, 0xce366f4a, 0xd4099fea, + 0xd67cb029, 0xafb2a431, 0x31233f2a, 0x3094a5c6, 0xc066a235, + 0x37bc4e74, 0xa6ca82fc, 0xb0d090e0, 0x15d8a733, 0x4a9804f1, + 0xf7daec41, 0x0e50cd7f, 0x2ff69117, 0x8dd64d76, 0x4db0ef43, + 0x544daacc, 0xdf0496e4, 0xe3b5d19e, 0x1b886a4c, 0xb81f2cc1, + 0x7f516546, 0x04ea5e9d, 0x5d358c01, 0x737487fa, 0x2e410bfb, + 0x5a1d67b3, 0x52d2db92, 0x335610e9, 0x1347d66d, 0x8c61d79a, + 0x7a0ca137, 0x8e14f859, 0x893c13eb, 0xee27a9ce, 0x35c961b7, + 0xede51ce1, 0x3cb1477a, 0x59dfd29c, 0x3f73f255, 0x79ce1418, + 0xbf37c773, 0xeacdf753, 0x5baafd5f, 0x146f3ddf, 0x86db4478, + 0x81f3afca, 0x3ec468b9, 0x2c342438, 0x5f40a3c2, 0x72c31d16, + 0x0c25e2bc, 0x8b493c28, 0x41950dff, 0x7101a839, 0xdeb30c08, + 0x9ce4b4d8, 0x90c15664, 0x6184cb7b, 0x70b632d5, 0x745c6c48, + 0x4257b8d0 + }; + + private static readonly uint[] Tinv1 = + { + 0xa7f45150, 0x65417e53, 0xa4171ac3, 0x5e273a96, 0x6bab3bcb, + 0x459d1ff1, 0x58faacab, 0x03e34b93, 0xfa302055, 0x6d76adf6, + 0x76cc8891, 0x4c02f525, 0xd7e54ffc, 0xcb2ac5d7, 0x44352680, + 0xa362b58f, 0x5ab1de49, 0x1bba2567, 0x0eea4598, 0xc0fe5de1, + 0x752fc302, 0xf04c8112, 0x97468da3, 0xf9d36bc6, 0x5f8f03e7, + 0x9c921595, 0x7a6dbfeb, 0x595295da, 0x83bed42d, 0x217458d3, + 0x69e04929, 0xc8c98e44, 0x89c2756a, 0x798ef478, 0x3e58996b, + 0x71b927dd, 0x4fe1beb6, 0xad88f017, 0xac20c966, 0x3ace7db4, + 0x4adf6318, 0x311ae582, 0x33519760, 0x7f536245, 0x7764b1e0, + 0xae6bbb84, 0xa081fe1c, 0x2b08f994, 0x68487058, 0xfd458f19, + 0x6cde9487, 0xf87b52b7, 0xd373ab23, 0x024b72e2, 0x8f1fe357, + 0xab55662a, 0x28ebb207, 0xc2b52f03, 0x7bc5869a, 0x0837d3a5, + 0x872830f2, 0xa5bf23b2, 0x6a0302ba, 0x8216ed5c, 0x1ccf8a2b, + 0xb479a792, 0xf207f3f0, 0xe2694ea1, 0xf4da65cd, 0xbe0506d5, + 0x6234d11f, 0xfea6c48a, 0x532e349d, 0x55f3a2a0, 0xe18a0532, + 0xebf6a475, 0xec830b39, 0xef6040aa, 0x9f715e06, 0x106ebd51, + 0x8a213ef9, 0x06dd963d, 0x053eddae, 0xbde64d46, 0x8d5491b5, + 0x5dc47105, 0xd406046f, 0x155060ff, 0xfb981924, 0xe9bdd697, + 0x434089cc, 0x9ed96777, 0x42e8b0bd, 0x8b890788, 0x5b19e738, + 0xeec879db, 0x0a7ca147, 0x0f427ce9, 0x1e84f8c9, 0x00000000, + 0x86800983, 0xed2b3248, 0x70111eac, 0x725a6c4e, 0xff0efdfb, + 0x38850f56, 0xd5ae3d1e, 0x392d3627, 0xd90f0a64, 0xa65c6821, + 0x545b9bd1, 0x2e36243a, 0x670a0cb1, 0xe757930f, 0x96eeb4d2, + 0x919b1b9e, 0xc5c0804f, 0x20dc61a2, 0x4b775a69, 0x1a121c16, + 0xba93e20a, 0x2aa0c0e5, 0xe0223c43, 0x171b121d, 0x0d090e0b, + 0xc78bf2ad, 0xa8b62db9, 0xa91e14c8, 0x19f15785, 0x0775af4c, + 0xdd99eebb, 0x607fa3fd, 0x2601f79f, 0xf5725cbc, 0x3b6644c5, + 0x7efb5b34, 0x29438b76, 0xc623cbdc, 0xfcedb668, 0xf1e4b863, + 0xdc31d7ca, 0x85634210, 0x22971340, 0x11c68420, 0x244a857d, + 0x3dbbd2f8, 0x32f9ae11, 0xa129c76d, 0x2f9e1d4b, 0x30b2dcf3, + 0x52860dec, 0xe3c177d0, 0x16b32b6c, 0xb970a999, 0x489411fa, + 0x64e94722, 0x8cfca8c4, 0x3ff0a01a, 0x2c7d56d8, 0x903322ef, + 0x4e4987c7, 0xd138d9c1, 0xa2ca8cfe, 0x0bd49836, 0x81f5a6cf, + 0xde7aa528, 0x8eb7da26, 0xbfad3fa4, 0x9d3a2ce4, 0x9278500d, + 0xcc5f6a9b, 0x467e5462, 0x138df6c2, 0xb8d890e8, 0xf7392e5e, + 0xafc382f5, 0x805d9fbe, 0x93d0697c, 0x2dd56fa9, 0x1225cfb3, + 0x99acc83b, 0x7d1810a7, 0x639ce86e, 0xbb3bdb7b, 0x7826cd09, + 0x18596ef4, 0xb79aec01, 0x9a4f83a8, 0x6e95e665, 0xe6ffaa7e, + 0xcfbc2108, 0xe815efe6, 0x9be7bad9, 0x366f4ace, 0x099fead4, + 0x7cb029d6, 0xb2a431af, 0x233f2a31, 0x94a5c630, 0x66a235c0, + 0xbc4e7437, 0xca82fca6, 0xd090e0b0, 0xd8a73315, 0x9804f14a, + 0xdaec41f7, 0x50cd7f0e, 0xf691172f, 0xd64d768d, 0xb0ef434d, + 0x4daacc54, 0x0496e4df, 0xb5d19ee3, 0x886a4c1b, 0x1f2cc1b8, + 0x5165467f, 0xea5e9d04, 0x358c015d, 0x7487fa73, 0x410bfb2e, + 0x1d67b35a, 0xd2db9252, 0x5610e933, 0x47d66d13, 0x61d79a8c, + 0x0ca1377a, 0x14f8598e, 0x3c13eb89, 0x27a9ceee, 0xc961b735, + 0xe51ce1ed, 0xb1477a3c, 0xdfd29c59, 0x73f2553f, 0xce141879, + 0x37c773bf, 0xcdf753ea, 0xaafd5f5b, 0x6f3ddf14, 0xdb447886, + 0xf3afca81, 0xc468b93e, 0x3424382c, 0x40a3c25f, 0xc31d1672, + 0x25e2bc0c, 0x493c288b, 0x950dff41, 0x01a83971, 0xb30c08de, + 0xe4b4d89c, 0xc1566490, 0x84cb7b61, 0xb632d570, 0x5c6c4874, + 0x57b8d042 + }; + + private static readonly uint[] Tinv2 = + { + 0xf45150a7, 0x417e5365, 0x171ac3a4, 0x273a965e, 0xab3bcb6b, + 0x9d1ff145, 0xfaacab58, 0xe34b9303, 0x302055fa, 0x76adf66d, + 0xcc889176, 0x02f5254c, 0xe54ffcd7, 0x2ac5d7cb, 0x35268044, + 0x62b58fa3, 0xb1de495a, 0xba25671b, 0xea45980e, 0xfe5de1c0, + 0x2fc30275, 0x4c8112f0, 0x468da397, 0xd36bc6f9, 0x8f03e75f, + 0x9215959c, 0x6dbfeb7a, 0x5295da59, 0xbed42d83, 0x7458d321, + 0xe0492969, 0xc98e44c8, 0xc2756a89, 0x8ef47879, 0x58996b3e, + 0xb927dd71, 0xe1beb64f, 0x88f017ad, 0x20c966ac, 0xce7db43a, + 0xdf63184a, 0x1ae58231, 0x51976033, 0x5362457f, 0x64b1e077, + 0x6bbb84ae, 0x81fe1ca0, 0x08f9942b, 0x48705868, 0x458f19fd, + 0xde94876c, 0x7b52b7f8, 0x73ab23d3, 0x4b72e202, 0x1fe3578f, + 0x55662aab, 0xebb20728, 0xb52f03c2, 0xc5869a7b, 0x37d3a508, + 0x2830f287, 0xbf23b2a5, 0x0302ba6a, 0x16ed5c82, 0xcf8a2b1c, + 0x79a792b4, 0x07f3f0f2, 0x694ea1e2, 0xda65cdf4, 0x0506d5be, + 0x34d11f62, 0xa6c48afe, 0x2e349d53, 0xf3a2a055, 0x8a0532e1, + 0xf6a475eb, 0x830b39ec, 0x6040aaef, 0x715e069f, 0x6ebd5110, + 0x213ef98a, 0xdd963d06, 0x3eddae05, 0xe64d46bd, 0x5491b58d, + 0xc471055d, 0x06046fd4, 0x5060ff15, 0x981924fb, 0xbdd697e9, + 0x4089cc43, 0xd967779e, 0xe8b0bd42, 0x8907888b, 0x19e7385b, + 0xc879dbee, 0x7ca1470a, 0x427ce90f, 0x84f8c91e, 0x00000000, + 0x80098386, 0x2b3248ed, 0x111eac70, 0x5a6c4e72, 0x0efdfbff, + 0x850f5638, 0xae3d1ed5, 0x2d362739, 0x0f0a64d9, 0x5c6821a6, + 0x5b9bd154, 0x36243a2e, 0x0a0cb167, 0x57930fe7, 0xeeb4d296, + 0x9b1b9e91, 0xc0804fc5, 0xdc61a220, 0x775a694b, 0x121c161a, + 0x93e20aba, 0xa0c0e52a, 0x223c43e0, 0x1b121d17, 0x090e0b0d, + 0x8bf2adc7, 0xb62db9a8, 0x1e14c8a9, 0xf1578519, 0x75af4c07, + 0x99eebbdd, 0x7fa3fd60, 0x01f79f26, 0x725cbcf5, 0x6644c53b, + 0xfb5b347e, 0x438b7629, 0x23cbdcc6, 0xedb668fc, 0xe4b863f1, + 0x31d7cadc, 0x63421085, 0x97134022, 0xc6842011, 0x4a857d24, + 0xbbd2f83d, 0xf9ae1132, 0x29c76da1, 0x9e1d4b2f, 0xb2dcf330, + 0x860dec52, 0xc177d0e3, 0xb32b6c16, 0x70a999b9, 0x9411fa48, + 0xe9472264, 0xfca8c48c, 0xf0a01a3f, 0x7d56d82c, 0x3322ef90, + 0x4987c74e, 0x38d9c1d1, 0xca8cfea2, 0xd498360b, 0xf5a6cf81, + 0x7aa528de, 0xb7da268e, 0xad3fa4bf, 0x3a2ce49d, 0x78500d92, + 0x5f6a9bcc, 0x7e546246, 0x8df6c213, 0xd890e8b8, 0x392e5ef7, + 0xc382f5af, 0x5d9fbe80, 0xd0697c93, 0xd56fa92d, 0x25cfb312, + 0xacc83b99, 0x1810a77d, 0x9ce86e63, 0x3bdb7bbb, 0x26cd0978, + 0x596ef418, 0x9aec01b7, 0x4f83a89a, 0x95e6656e, 0xffaa7ee6, + 0xbc2108cf, 0x15efe6e8, 0xe7bad99b, 0x6f4ace36, 0x9fead409, + 0xb029d67c, 0xa431afb2, 0x3f2a3123, 0xa5c63094, 0xa235c066, + 0x4e7437bc, 0x82fca6ca, 0x90e0b0d0, 0xa73315d8, 0x04f14a98, + 0xec41f7da, 0xcd7f0e50, 0x91172ff6, 0x4d768dd6, 0xef434db0, + 0xaacc544d, 0x96e4df04, 0xd19ee3b5, 0x6a4c1b88, 0x2cc1b81f, + 0x65467f51, 0x5e9d04ea, 0x8c015d35, 0x87fa7374, 0x0bfb2e41, + 0x67b35a1d, 0xdb9252d2, 0x10e93356, 0xd66d1347, 0xd79a8c61, + 0xa1377a0c, 0xf8598e14, 0x13eb893c, 0xa9ceee27, 0x61b735c9, + 0x1ce1ede5, 0x477a3cb1, 0xd29c59df, 0xf2553f73, 0x141879ce, + 0xc773bf37, 0xf753eacd, 0xfd5f5baa, 0x3ddf146f, 0x447886db, + 0xafca81f3, 0x68b93ec4, 0x24382c34, 0xa3c25f40, 0x1d1672c3, + 0xe2bc0c25, 0x3c288b49, 0x0dff4195, 0xa8397101, 0x0c08deb3, + 0xb4d89ce4, 0x566490c1, 0xcb7b6184, 0x32d570b6, 0x6c48745c, + 0xb8d04257 + }; + + private static readonly uint[] Tinv3 = + { + 0x5150a7f4, 0x7e536541, 0x1ac3a417, 0x3a965e27, 0x3bcb6bab, + 0x1ff1459d, 0xacab58fa, 0x4b9303e3, 0x2055fa30, 0xadf66d76, + 0x889176cc, 0xf5254c02, 0x4ffcd7e5, 0xc5d7cb2a, 0x26804435, + 0xb58fa362, 0xde495ab1, 0x25671bba, 0x45980eea, 0x5de1c0fe, + 0xc302752f, 0x8112f04c, 0x8da39746, 0x6bc6f9d3, 0x03e75f8f, + 0x15959c92, 0xbfeb7a6d, 0x95da5952, 0xd42d83be, 0x58d32174, + 0x492969e0, 0x8e44c8c9, 0x756a89c2, 0xf478798e, 0x996b3e58, + 0x27dd71b9, 0xbeb64fe1, 0xf017ad88, 0xc966ac20, 0x7db43ace, + 0x63184adf, 0xe582311a, 0x97603351, 0x62457f53, 0xb1e07764, + 0xbb84ae6b, 0xfe1ca081, 0xf9942b08, 0x70586848, 0x8f19fd45, + 0x94876cde, 0x52b7f87b, 0xab23d373, 0x72e2024b, 0xe3578f1f, + 0x662aab55, 0xb20728eb, 0x2f03c2b5, 0x869a7bc5, 0xd3a50837, + 0x30f28728, 0x23b2a5bf, 0x02ba6a03, 0xed5c8216, 0x8a2b1ccf, + 0xa792b479, 0xf3f0f207, 0x4ea1e269, 0x65cdf4da, 0x06d5be05, + 0xd11f6234, 0xc48afea6, 0x349d532e, 0xa2a055f3, 0x0532e18a, + 0xa475ebf6, 0x0b39ec83, 0x40aaef60, 0x5e069f71, 0xbd51106e, + 0x3ef98a21, 0x963d06dd, 0xddae053e, 0x4d46bde6, 0x91b58d54, + 0x71055dc4, 0x046fd406, 0x60ff1550, 0x1924fb98, 0xd697e9bd, + 0x89cc4340, 0x67779ed9, 0xb0bd42e8, 0x07888b89, 0xe7385b19, + 0x79dbeec8, 0xa1470a7c, 0x7ce90f42, 0xf8c91e84, 0x00000000, + 0x09838680, 0x3248ed2b, 0x1eac7011, 0x6c4e725a, 0xfdfbff0e, + 0x0f563885, 0x3d1ed5ae, 0x3627392d, 0x0a64d90f, 0x6821a65c, + 0x9bd1545b, 0x243a2e36, 0x0cb1670a, 0x930fe757, 0xb4d296ee, + 0x1b9e919b, 0x804fc5c0, 0x61a220dc, 0x5a694b77, 0x1c161a12, + 0xe20aba93, 0xc0e52aa0, 0x3c43e022, 0x121d171b, 0x0e0b0d09, + 0xf2adc78b, 0x2db9a8b6, 0x14c8a91e, 0x578519f1, 0xaf4c0775, + 0xeebbdd99, 0xa3fd607f, 0xf79f2601, 0x5cbcf572, 0x44c53b66, + 0x5b347efb, 0x8b762943, 0xcbdcc623, 0xb668fced, 0xb863f1e4, + 0xd7cadc31, 0x42108563, 0x13402297, 0x842011c6, 0x857d244a, + 0xd2f83dbb, 0xae1132f9, 0xc76da129, 0x1d4b2f9e, 0xdcf330b2, + 0x0dec5286, 0x77d0e3c1, 0x2b6c16b3, 0xa999b970, 0x11fa4894, + 0x472264e9, 0xa8c48cfc, 0xa01a3ff0, 0x56d82c7d, 0x22ef9033, + 0x87c74e49, 0xd9c1d138, 0x8cfea2ca, 0x98360bd4, 0xa6cf81f5, + 0xa528de7a, 0xda268eb7, 0x3fa4bfad, 0x2ce49d3a, 0x500d9278, + 0x6a9bcc5f, 0x5462467e, 0xf6c2138d, 0x90e8b8d8, 0x2e5ef739, + 0x82f5afc3, 0x9fbe805d, 0x697c93d0, 0x6fa92dd5, 0xcfb31225, + 0xc83b99ac, 0x10a77d18, 0xe86e639c, 0xdb7bbb3b, 0xcd097826, + 0x6ef41859, 0xec01b79a, 0x83a89a4f, 0xe6656e95, 0xaa7ee6ff, + 0x2108cfbc, 0xefe6e815, 0xbad99be7, 0x4ace366f, 0xead4099f, + 0x29d67cb0, 0x31afb2a4, 0x2a31233f, 0xc63094a5, 0x35c066a2, + 0x7437bc4e, 0xfca6ca82, 0xe0b0d090, 0x3315d8a7, 0xf14a9804, + 0x41f7daec, 0x7f0e50cd, 0x172ff691, 0x768dd64d, 0x434db0ef, + 0xcc544daa, 0xe4df0496, 0x9ee3b5d1, 0x4c1b886a, 0xc1b81f2c, + 0x467f5165, 0x9d04ea5e, 0x015d358c, 0xfa737487, 0xfb2e410b, + 0xb35a1d67, 0x9252d2db, 0xe9335610, 0x6d1347d6, 0x9a8c61d7, + 0x377a0ca1, 0x598e14f8, 0xeb893c13, 0xceee27a9, 0xb735c961, + 0xe1ede51c, 0x7a3cb147, 0x9c59dfd2, 0x553f73f2, 0x1879ce14, + 0x73bf37c7, 0x53eacdf7, 0x5f5baafd, 0xdf146f3d, 0x7886db44, + 0xca81f3af, 0xb93ec468, 0x382c3424, 0xc25f40a3, 0x1672c31d, + 0xbc0c25e2, 0x288b493c, 0xff41950d, 0x397101a8, 0x08deb30c, + 0xd89ce4b4, 0x6490c156, 0x7b6184cb, 0xd570b632, 0x48745c6c, + 0xd04257b8 + }; private static uint Shift(uint r, int shift) - { - return (r >> shift) | (r << (32 - shift)); - } + { + return (r >> shift) | (r << (32 - shift)); + } /* multiply four bytes in GF(2^8) by 'x' {02} in parallel */ @@ -574,9 +574,9 @@ namespace Org.BouncyCastle.Crypto.Engines private const uint m2 = 0x7f7f7f7f; private const uint m3 = 0x0000001b; - private static uint FFmulX(uint x) - { - return ((x & m2) << 1) ^ (((x & m1) >> 7) * m3); + private static uint FFmulX(uint x) + { + return ((x & m2) << 1) ^ (((x & m1) >> 7) * m3); } /* @@ -600,11 +600,11 @@ namespace Org.BouncyCastle.Crypto.Engines } private static uint SubWord(uint x) - { - return (uint)S[x&255] - | (((uint)S[(x>>8)&255]) << 8) - | (((uint)S[(x>>16)&255]) << 16) - | (((uint)S[(x>>24)&255]) << 24); + { + return (uint)S[x&255] + | (((uint)S[(x>>8)&255]) << 8) + | (((uint)S[(x>>16)&255]) << 16) + | (((uint)S[(x>>24)&255]) << 24); } /** @@ -622,7 +622,7 @@ namespace Org.BouncyCastle.Crypto.Engines if (((KC != 4) && (KC != 6) && (KC != 8)) || ((KC * 4) != key.Length)) throw new ArgumentException("Key length not 128/192/256 bits."); - ROUNDS = KC + 6; // This is not always true for the generalized Rijndael that allows larger block sizes + ROUNDS = KC + 6; // This is not always true for the generalized Rijndael that allows larger block sizes uint[][] W = new uint[ROUNDS + 1][]; // 4 words in a block for (int i = 0; i <= ROUNDS; ++i) @@ -636,10 +636,10 @@ namespace Org.BouncyCastle.Crypto.Engines int t = 0; for (int i = 0; i < key.Length; t++) - { - W[t >> 2][t & 3] = Pack.LE_To_UInt32(key, i); - i+=4; - } + { + W[t >> 2][t & 3] = Pack.LE_To_UInt32(key, i); + i+=4; + } // // while not enough round key material calculated @@ -659,12 +659,12 @@ namespace Org.BouncyCastle.Crypto.Engines } if (!forEncryption) - { + { for (int j = 1; j < ROUNDS; j++) - { + { uint[] w = W[j]; for (int i = 0; i < 4; i++) - { + { w[i] = Inv_Mcol(w[i]); } } @@ -709,17 +709,17 @@ namespace Org.BouncyCastle.Crypto.Engines this.forEncryption = forEncryption; } - public string AlgorithmName + public string AlgorithmName { get { return "AES"; } } - public bool IsPartialBlockOkay - { - get { return false; } - } + public bool IsPartialBlockOkay + { + get { return false; } + } - public int GetBlockSize() + public int GetBlockSize() { return BLOCK_SIZE; } @@ -758,7 +758,7 @@ namespace Org.BouncyCastle.Crypto.Engines PackBlock(output, outOff); - return BLOCK_SIZE; + return BLOCK_SIZE; } public void Reset() @@ -769,20 +769,20 @@ namespace Org.BouncyCastle.Crypto.Engines byte[] bytes, int off) { - C0 = Pack.LE_To_UInt32(bytes, off); - C1 = Pack.LE_To_UInt32(bytes, off + 4); - C2 = Pack.LE_To_UInt32(bytes, off + 8); - C3 = Pack.LE_To_UInt32(bytes, off + 12); + C0 = Pack.LE_To_UInt32(bytes, off); + C1 = Pack.LE_To_UInt32(bytes, off + 4); + C2 = Pack.LE_To_UInt32(bytes, off + 8); + C3 = Pack.LE_To_UInt32(bytes, off + 12); } - private void PackBlock( + private void PackBlock( byte[] bytes, int off) { - Pack.UInt32_To_LE(C0, bytes, off); - Pack.UInt32_To_LE(C1, bytes, off + 4); - Pack.UInt32_To_LE(C2, bytes, off + 8); - Pack.UInt32_To_LE(C3, bytes, off + 12); + Pack.UInt32_To_LE(C0, bytes, off); + Pack.UInt32_To_LE(C1, bytes, off + 4); + Pack.UInt32_To_LE(C2, bytes, off + 8); + Pack.UInt32_To_LE(C3, bytes, off + 12); } private void EncryptBlock() @@ -800,7 +800,7 @@ namespace Org.BouncyCastle.Crypto.Engines uint r0, r1, r2, r3; while (r < (ROUNDS - 2)) - { + { kw = KW[++r]; r0 = T0[C0 & 255] ^ T1[(C1 >> 8) & 255] ^ T2[(C2 >> 16) & 255] ^ T3[C3 >> 24] ^ kw[0]; r1 = T0[C1 & 255] ^ T1[(C2 >> 8) & 255] ^ T2[(C3 >> 16) & 255] ^ T3[C0 >> 24] ^ kw[1]; @@ -873,6 +873,6 @@ namespace Org.BouncyCastle.Crypto.Engines C3 = (uint)Si[r3 & 255] ^ (((uint)Si[(r2 >> 8) & 255]) << 8) ^ (((uint)Si[(r1 >> 16) & 255]) << 16) ^ (((uint)Si[r0 >> 24]) << 24) ^ kw[3]; Debug.Assert(r == 0); - } + } } } diff --git a/crypto/src/crypto/engines/AesLightEngine.cs b/crypto/src/crypto/engines/AesLightEngine.cs index 828ceaa33..aa89494ff 100644 --- a/crypto/src/crypto/engines/AesLightEngine.cs +++ b/crypto/src/crypto/engines/AesLightEngine.cs @@ -6,183 +6,183 @@ using Org.BouncyCastle.Crypto.Utilities; namespace Org.BouncyCastle.Crypto.Engines { - /** - * an implementation of the AES (Rijndael), from FIPS-197. - * <p> - * For further details see: <a href="http://csrc.nist.gov/encryption/aes/">http://csrc.nist.gov/encryption/aes/</a>. - * - * This implementation is based on optimizations from Dr. Brian Gladman's paper and C code at - * <a href="http://fp.gladman.plus.com/cryptography_technology/rijndael/">http://fp.gladman.plus.com/cryptography_technology/rijndael/</a> - * - * There are three levels of tradeoff of speed vs memory - * Because java has no preprocessor, they are written as three separate classes from which to choose - * - * The fastest uses 8Kbytes of static tables to precompute round calculations, 4 256 word tables for encryption - * and 4 for decryption. - * - * The middle performance version uses only one 256 word table for each, for a total of 2Kbytes, - * adding 12 rotate operations per round to compute the values contained in the other tables from - * the contents of the first - * - * The slowest version uses no static tables at all and computes the values - * in each round. - * </p> - * <p> - * This file contains the slowest performance version with no static tables - * for round precomputation, but it has the smallest foot print. - * </p> - */ - public class AesLightEngine - : IBlockCipher - { - // The S box - private static readonly byte[] S = - { - 99, 124, 119, 123, 242, 107, 111, 197, - 48, 1, 103, 43, 254, 215, 171, 118, - 202, 130, 201, 125, 250, 89, 71, 240, - 173, 212, 162, 175, 156, 164, 114, 192, - 183, 253, 147, 38, 54, 63, 247, 204, - 52, 165, 229, 241, 113, 216, 49, 21, - 4, 199, 35, 195, 24, 150, 5, 154, - 7, 18, 128, 226, 235, 39, 178, 117, - 9, 131, 44, 26, 27, 110, 90, 160, - 82, 59, 214, 179, 41, 227, 47, 132, - 83, 209, 0, 237, 32, 252, 177, 91, - 106, 203, 190, 57, 74, 76, 88, 207, - 208, 239, 170, 251, 67, 77, 51, 133, - 69, 249, 2, 127, 80, 60, 159, 168, - 81, 163, 64, 143, 146, 157, 56, 245, - 188, 182, 218, 33, 16, 255, 243, 210, - 205, 12, 19, 236, 95, 151, 68, 23, - 196, 167, 126, 61, 100, 93, 25, 115, - 96, 129, 79, 220, 34, 42, 144, 136, - 70, 238, 184, 20, 222, 94, 11, 219, - 224, 50, 58, 10, 73, 6, 36, 92, - 194, 211, 172, 98, 145, 149, 228, 121, - 231, 200, 55, 109, 141, 213, 78, 169, - 108, 86, 244, 234, 101, 122, 174, 8, - 186, 120, 37, 46, 28, 166, 180, 198, - 232, 221, 116, 31, 75, 189, 139, 138, - 112, 62, 181, 102, 72, 3, 246, 14, - 97, 53, 87, 185, 134, 193, 29, 158, - 225, 248, 152, 17, 105, 217, 142, 148, - 155, 30, 135, 233, 206, 85, 40, 223, - 140, 161, 137, 13, 191, 230, 66, 104, - 65, 153, 45, 15, 176, 84, 187, 22, - }; - - // The inverse S-box - private static readonly byte[] Si = - { - 82, 9, 106, 213, 48, 54, 165, 56, - 191, 64, 163, 158, 129, 243, 215, 251, - 124, 227, 57, 130, 155, 47, 255, 135, - 52, 142, 67, 68, 196, 222, 233, 203, - 84, 123, 148, 50, 166, 194, 35, 61, - 238, 76, 149, 11, 66, 250, 195, 78, - 8, 46, 161, 102, 40, 217, 36, 178, - 118, 91, 162, 73, 109, 139, 209, 37, - 114, 248, 246, 100, 134, 104, 152, 22, - 212, 164, 92, 204, 93, 101, 182, 146, - 108, 112, 72, 80, 253, 237, 185, 218, - 94, 21, 70, 87, 167, 141, 157, 132, - 144, 216, 171, 0, 140, 188, 211, 10, - 247, 228, 88, 5, 184, 179, 69, 6, - 208, 44, 30, 143, 202, 63, 15, 2, - 193, 175, 189, 3, 1, 19, 138, 107, - 58, 145, 17, 65, 79, 103, 220, 234, - 151, 242, 207, 206, 240, 180, 230, 115, - 150, 172, 116, 34, 231, 173, 53, 133, - 226, 249, 55, 232, 28, 117, 223, 110, - 71, 241, 26, 113, 29, 41, 197, 137, - 111, 183, 98, 14, 170, 24, 190, 27, - 252, 86, 62, 75, 198, 210, 121, 32, - 154, 219, 192, 254, 120, 205, 90, 244, - 31, 221, 168, 51, 136, 7, 199, 49, - 177, 18, 16, 89, 39, 128, 236, 95, - 96, 81, 127, 169, 25, 181, 74, 13, - 45, 229, 122, 159, 147, 201, 156, 239, - 160, 224, 59, 77, 174, 42, 245, 176, - 200, 235, 187, 60, 131, 83, 153, 97, - 23, 43, 4, 126, 186, 119, 214, 38, - 225, 105, 20, 99, 85, 33, 12, 125, - }; - - // vector used in calculating key schedule (powers of x in GF(256)) - private static readonly byte[] rcon = - { - 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, - 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91 - }; - - private static uint Shift(uint r, int shift) - { - return (r >> shift) | (r << (32 - shift)); - } - - /* multiply four bytes in GF(2^8) by 'x' {02} in parallel */ - - private const uint m1 = 0x80808080; - private const uint m2 = 0x7f7f7f7f; - private const uint m3 = 0x0000001b; - - private static uint FFmulX(uint x) - { - return ((x & m2) << 1) ^ (((x & m1) >> 7) * m3); - } + /** + * an implementation of the AES (Rijndael), from FIPS-197. + * <p> + * For further details see: <a href="http://csrc.nist.gov/encryption/aes/">http://csrc.nist.gov/encryption/aes/</a>. + * + * This implementation is based on optimizations from Dr. Brian Gladman's paper and C code at + * <a href="http://fp.gladman.plus.com/cryptography_technology/rijndael/">http://fp.gladman.plus.com/cryptography_technology/rijndael/</a> + * + * There are three levels of tradeoff of speed vs memory + * Because java has no preprocessor, they are written as three separate classes from which to choose + * + * The fastest uses 8Kbytes of static tables to precompute round calculations, 4 256 word tables for encryption + * and 4 for decryption. + * + * The middle performance version uses only one 256 word table for each, for a total of 2Kbytes, + * adding 12 rotate operations per round to compute the values contained in the other tables from + * the contents of the first + * + * The slowest version uses no static tables at all and computes the values + * in each round. + * </p> + * <p> + * This file contains the slowest performance version with no static tables + * for round precomputation, but it has the smallest foot print. + * </p> + */ + public class AesLightEngine + : IBlockCipher + { + // The S box + private static readonly byte[] S = + { + 99, 124, 119, 123, 242, 107, 111, 197, + 48, 1, 103, 43, 254, 215, 171, 118, + 202, 130, 201, 125, 250, 89, 71, 240, + 173, 212, 162, 175, 156, 164, 114, 192, + 183, 253, 147, 38, 54, 63, 247, 204, + 52, 165, 229, 241, 113, 216, 49, 21, + 4, 199, 35, 195, 24, 150, 5, 154, + 7, 18, 128, 226, 235, 39, 178, 117, + 9, 131, 44, 26, 27, 110, 90, 160, + 82, 59, 214, 179, 41, 227, 47, 132, + 83, 209, 0, 237, 32, 252, 177, 91, + 106, 203, 190, 57, 74, 76, 88, 207, + 208, 239, 170, 251, 67, 77, 51, 133, + 69, 249, 2, 127, 80, 60, 159, 168, + 81, 163, 64, 143, 146, 157, 56, 245, + 188, 182, 218, 33, 16, 255, 243, 210, + 205, 12, 19, 236, 95, 151, 68, 23, + 196, 167, 126, 61, 100, 93, 25, 115, + 96, 129, 79, 220, 34, 42, 144, 136, + 70, 238, 184, 20, 222, 94, 11, 219, + 224, 50, 58, 10, 73, 6, 36, 92, + 194, 211, 172, 98, 145, 149, 228, 121, + 231, 200, 55, 109, 141, 213, 78, 169, + 108, 86, 244, 234, 101, 122, 174, 8, + 186, 120, 37, 46, 28, 166, 180, 198, + 232, 221, 116, 31, 75, 189, 139, 138, + 112, 62, 181, 102, 72, 3, 246, 14, + 97, 53, 87, 185, 134, 193, 29, 158, + 225, 248, 152, 17, 105, 217, 142, 148, + 155, 30, 135, 233, 206, 85, 40, 223, + 140, 161, 137, 13, 191, 230, 66, 104, + 65, 153, 45, 15, 176, 84, 187, 22, + }; + + // The inverse S-box + private static readonly byte[] Si = + { + 82, 9, 106, 213, 48, 54, 165, 56, + 191, 64, 163, 158, 129, 243, 215, 251, + 124, 227, 57, 130, 155, 47, 255, 135, + 52, 142, 67, 68, 196, 222, 233, 203, + 84, 123, 148, 50, 166, 194, 35, 61, + 238, 76, 149, 11, 66, 250, 195, 78, + 8, 46, 161, 102, 40, 217, 36, 178, + 118, 91, 162, 73, 109, 139, 209, 37, + 114, 248, 246, 100, 134, 104, 152, 22, + 212, 164, 92, 204, 93, 101, 182, 146, + 108, 112, 72, 80, 253, 237, 185, 218, + 94, 21, 70, 87, 167, 141, 157, 132, + 144, 216, 171, 0, 140, 188, 211, 10, + 247, 228, 88, 5, 184, 179, 69, 6, + 208, 44, 30, 143, 202, 63, 15, 2, + 193, 175, 189, 3, 1, 19, 138, 107, + 58, 145, 17, 65, 79, 103, 220, 234, + 151, 242, 207, 206, 240, 180, 230, 115, + 150, 172, 116, 34, 231, 173, 53, 133, + 226, 249, 55, 232, 28, 117, 223, 110, + 71, 241, 26, 113, 29, 41, 197, 137, + 111, 183, 98, 14, 170, 24, 190, 27, + 252, 86, 62, 75, 198, 210, 121, 32, + 154, 219, 192, 254, 120, 205, 90, 244, + 31, 221, 168, 51, 136, 7, 199, 49, + 177, 18, 16, 89, 39, 128, 236, 95, + 96, 81, 127, 169, 25, 181, 74, 13, + 45, 229, 122, 159, 147, 201, 156, 239, + 160, 224, 59, 77, 174, 42, 245, 176, + 200, 235, 187, 60, 131, 83, 153, 97, + 23, 43, 4, 126, 186, 119, 214, 38, + 225, 105, 20, 99, 85, 33, 12, 125, + }; + + // vector used in calculating key schedule (powers of x in GF(256)) + private static readonly byte[] rcon = + { + 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, + 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91 + }; + + private static uint Shift(uint r, int shift) + { + return (r >> shift) | (r << (32 - shift)); + } + + /* multiply four bytes in GF(2^8) by 'x' {02} in parallel */ + + private const uint m1 = 0x80808080; + private const uint m2 = 0x7f7f7f7f; + private const uint m3 = 0x0000001b; + + private static uint FFmulX(uint x) + { + return ((x & m2) << 1) ^ (((x & m1) >> 7) * m3); + } /* - The following defines provide alternative definitions of FFmulX that might - give improved performance if a fast 32-bit multiply is not available. - - private int FFmulX(int x) { int u = x & m1; u |= (u >> 1); return ((x & m2) << 1) ^ ((u >>> 3) | (u >>> 6)); } - private static final int m4 = 0x1b1b1b1b; - private int FFmulX(int x) { int u = x & m1; return ((x & m2) << 1) ^ ((u - (u >>> 7)) & m4); } - - */ - - private static uint Mcol(uint x) - { - uint f2 = FFmulX(x); - return f2 ^ Shift(x ^ f2, 8) ^ Shift(x, 16) ^ Shift(x, 24); - } - - private static uint Inv_Mcol(uint x) - { - uint f2 = FFmulX(x); - uint f4 = FFmulX(f2); - uint f8 = FFmulX(f4); - uint f9 = x ^ f8; - - return f2 ^ f4 ^ f8 ^ Shift(f2 ^ f9, 8) ^ Shift(f4 ^ f9, 16) ^ Shift(f9, 24); - } - - private static uint SubWord(uint x) - { - return (uint)S[x&255] - | (((uint)S[(x>>8)&255]) << 8) - | (((uint)S[(x>>16)&255]) << 16) - | (((uint)S[(x>>24)&255]) << 24); - } - - /** - * Calculate the necessary round keys - * The number of calculations depends on key size and block size - * AES specified a fixed block size of 128 bits and key sizes 128/192/256 bits - * This code is written assuming those are the only possible values - */ - private uint[][] GenerateWorkingKey( - byte[] key, - bool forEncryption) - { - int KC = key.Length / 4; // key length in words - int t; - - if ((KC != 4) && (KC != 6) && (KC != 8)) - throw new ArgumentException("Key length not 128/192/256 bits."); - - ROUNDS = KC + 6; // This is not always true for the generalized Rijndael that allows larger block sizes + The following defines provide alternative definitions of FFmulX that might + give improved performance if a fast 32-bit multiply is not available. + + private int FFmulX(int x) { int u = x & m1; u |= (u >> 1); return ((x & m2) << 1) ^ ((u >>> 3) | (u >>> 6)); } + private static final int m4 = 0x1b1b1b1b; + private int FFmulX(int x) { int u = x & m1; return ((x & m2) << 1) ^ ((u - (u >>> 7)) & m4); } + + */ + + private static uint Mcol(uint x) + { + uint f2 = FFmulX(x); + return f2 ^ Shift(x ^ f2, 8) ^ Shift(x, 16) ^ Shift(x, 24); + } + + private static uint Inv_Mcol(uint x) + { + uint f2 = FFmulX(x); + uint f4 = FFmulX(f2); + uint f8 = FFmulX(f4); + uint f9 = x ^ f8; + + return f2 ^ f4 ^ f8 ^ Shift(f2 ^ f9, 8) ^ Shift(f4 ^ f9, 16) ^ Shift(f9, 24); + } + + private static uint SubWord(uint x) + { + return (uint)S[x&255] + | (((uint)S[(x>>8)&255]) << 8) + | (((uint)S[(x>>16)&255]) << 16) + | (((uint)S[(x>>24)&255]) << 24); + } + + /** + * Calculate the necessary round keys + * The number of calculations depends on key size and block size + * AES specified a fixed block size of 128 bits and key sizes 128/192/256 bits + * This code is written assuming those are the only possible values + */ + private uint[][] GenerateWorkingKey( + byte[] key, + bool forEncryption) + { + int KC = key.Length / 4; // key length in words + int t; + + if ((KC != 4) && (KC != 6) && (KC != 8)) + throw new ArgumentException("Key length not 128/192/256 bits."); + + ROUNDS = KC + 6; // This is not always true for the generalized Rijndael that allows larger block sizes uint[][] W = new uint[ROUNDS + 1][]; // 4 words in a block for (int i = 0; i <= ROUNDS; ++i) @@ -190,78 +190,78 @@ namespace Org.BouncyCastle.Crypto.Engines W[i] = new uint[4]; } - // - // copy the key into the round key array - // - - t = 0; - for (int i = 0; i < key.Length; t++) - { - W[t >> 2][t & 3] = Pack.LE_To_UInt32(key, i); - i+=4; - } - - // - // while not enough round key material calculated - // calculate new values - // - int k = (ROUNDS + 1) << 2; - for (int i = KC; (i < k); i++) - { - uint temp = W[(i-1)>>2][(i-1)&3]; - if ((i % KC) == 0) - { - temp = SubWord(Shift(temp, 8)) ^ rcon[(i / KC)-1]; - } - else if ((KC > 6) && ((i % KC) == 4)) - { - temp = SubWord(temp); - } - - W[i>>2][i&3] = W[(i - KC)>>2][(i-KC)&3] ^ temp; - } - - if (!forEncryption) - { - for (int j = 1; j < ROUNDS; j++) - { + // + // copy the key into the round key array + // + + t = 0; + for (int i = 0; i < key.Length; t++) + { + W[t >> 2][t & 3] = Pack.LE_To_UInt32(key, i); + i+=4; + } + + // + // while not enough round key material calculated + // calculate new values + // + int k = (ROUNDS + 1) << 2; + for (int i = KC; (i < k); i++) + { + uint temp = W[(i-1)>>2][(i-1)&3]; + if ((i % KC) == 0) + { + temp = SubWord(Shift(temp, 8)) ^ rcon[(i / KC)-1]; + } + else if ((KC > 6) && ((i % KC) == 4)) + { + temp = SubWord(temp); + } + + W[i>>2][i&3] = W[(i - KC)>>2][(i-KC)&3] ^ temp; + } + + if (!forEncryption) + { + for (int j = 1; j < ROUNDS; j++) + { uint[] w = W[j]; for (int i = 0; i < 4; i++) { w[i] = Inv_Mcol(w[i]); } - } - } - - return W; - } - - private int ROUNDS; - private uint[][] WorkingKey; - private uint C0, C1, C2, C3; - private bool forEncryption; - - private const int BLOCK_SIZE = 16; - - /** - * default constructor - 128 bit block size. - */ - public AesLightEngine() - { - } - - /** - * initialise an AES cipher. - * - * @param forEncryption whether or not we are for encryption. - * @param parameters the parameters required to set up the cipher. - * @exception ArgumentException if the parameters argument is - * inappropriate. - */ - public void Init( - bool forEncryption, - ICipherParameters parameters) - { + } + } + + return W; + } + + private int ROUNDS; + private uint[][] WorkingKey; + private uint C0, C1, C2, C3; + private bool forEncryption; + + private const int BLOCK_SIZE = 16; + + /** + * default constructor - 128 bit block size. + */ + public AesLightEngine() + { + } + + /** + * initialise an AES cipher. + * + * @param forEncryption whether or not we are for encryption. + * @param parameters the parameters required to set up the cipher. + * @exception ArgumentException if the parameters argument is + * inappropriate. + */ + public void Init( + bool forEncryption, + ICipherParameters parameters) + { KeyParameter keyParameter = parameters as KeyParameter; if (keyParameter == null) @@ -272,84 +272,84 @@ namespace Org.BouncyCastle.Crypto.Engines this.forEncryption = forEncryption; } - public string AlgorithmName - { - get { return "AES"; } - } - - public bool IsPartialBlockOkay - { - get { return false; } - } - - public int GetBlockSize() - { - return BLOCK_SIZE; - } - - public int ProcessBlock( - byte[] input, - int inOff, - byte[] output, - int outOff) - { - if (WorkingKey == null) - { - throw new InvalidOperationException("AES engine not initialised"); - } - - if ((inOff + (32 / 2)) > input.Length) - { - throw new DataLengthException("input buffer too short"); - } - - if ((outOff + (32 / 2)) > output.Length) - { - throw new DataLengthException("output buffer too short"); - } - - if (forEncryption) - { - UnPackBlock(input, inOff); - EncryptBlock(); - PackBlock(output, outOff); - } - else - { - UnPackBlock(input, inOff); - DecryptBlock(); - PackBlock(output, outOff); - } - - return BLOCK_SIZE; - } - - public void Reset() - { - } - - private void UnPackBlock( - byte[] bytes, - int off) - { - C0 = Pack.LE_To_UInt32(bytes, off); - C1 = Pack.LE_To_UInt32(bytes, off + 4); - C2 = Pack.LE_To_UInt32(bytes, off + 8); - C3 = Pack.LE_To_UInt32(bytes, off + 12); - } - - private void PackBlock( - byte[] bytes, - int off) - { - Pack.UInt32_To_LE(C0, bytes, off); - Pack.UInt32_To_LE(C1, bytes, off + 4); - Pack.UInt32_To_LE(C2, bytes, off + 8); - Pack.UInt32_To_LE(C3, bytes, off + 12); - } - - private void EncryptBlock() - { + public string AlgorithmName + { + get { return "AES"; } + } + + public bool IsPartialBlockOkay + { + get { return false; } + } + + public int GetBlockSize() + { + return BLOCK_SIZE; + } + + public int ProcessBlock( + byte[] input, + int inOff, + byte[] output, + int outOff) + { + if (WorkingKey == null) + { + throw new InvalidOperationException("AES engine not initialised"); + } + + if ((inOff + (32 / 2)) > input.Length) + { + throw new DataLengthException("input buffer too short"); + } + + if ((outOff + (32 / 2)) > output.Length) + { + throw new DataLengthException("output buffer too short"); + } + + if (forEncryption) + { + UnPackBlock(input, inOff); + EncryptBlock(); + PackBlock(output, outOff); + } + else + { + UnPackBlock(input, inOff); + DecryptBlock(); + PackBlock(output, outOff); + } + + return BLOCK_SIZE; + } + + public void Reset() + { + } + + private void UnPackBlock( + byte[] bytes, + int off) + { + C0 = Pack.LE_To_UInt32(bytes, off); + C1 = Pack.LE_To_UInt32(bytes, off + 4); + C2 = Pack.LE_To_UInt32(bytes, off + 8); + C3 = Pack.LE_To_UInt32(bytes, off + 12); + } + + private void PackBlock( + byte[] bytes, + int off) + { + Pack.UInt32_To_LE(C0, bytes, off); + Pack.UInt32_To_LE(C1, bytes, off + 4); + Pack.UInt32_To_LE(C2, bytes, off + 8); + Pack.UInt32_To_LE(C3, bytes, off + 12); + } + + private void EncryptBlock() + { uint[][] KW = WorkingKey; int r = 0; @@ -363,7 +363,7 @@ namespace Org.BouncyCastle.Crypto.Engines uint r0, r1, r2, r3; while (r < (ROUNDS - 2)) - { + { kw = KW[++r]; r0 = Mcol((uint)S[C0 & 255] ^ (((uint)S[(C1 >> 8) & 255]) << 8) ^ (((uint)S[(C2 >> 16) & 255]) << 16) ^ (((uint)S[(C3 >> 24) & 255]) << 24)) ^ kw[0]; r1 = Mcol((uint)S[C1 & 255] ^ (((uint)S[(C2 >> 8) & 255]) << 8) ^ (((uint)S[(C3 >> 16) & 255]) << 16) ^ (((uint)S[(C0 >> 24) & 255]) << 24)) ^ kw[1]; @@ -374,7 +374,7 @@ namespace Org.BouncyCastle.Crypto.Engines C1 = Mcol((uint)S[r1 & 255] ^ (((uint)S[(r2 >> 8) & 255]) << 8) ^ (((uint)S[(r3 >> 16) & 255]) << 16) ^ (((uint)S[(r0 >> 24) & 255]) << 24)) ^ kw[1]; C2 = Mcol((uint)S[r2 & 255] ^ (((uint)S[(r3 >> 8) & 255]) << 8) ^ (((uint)S[(r0 >> 16) & 255]) << 16) ^ (((uint)S[(r1 >> 24) & 255]) << 24)) ^ kw[2]; C3 = Mcol((uint)S[r3 & 255] ^ (((uint)S[(r0 >> 8) & 255]) << 8) ^ (((uint)S[(r1 >> 16) & 255]) << 16) ^ (((uint)S[(r2 >> 24) & 255]) << 24)) ^ kw[3]; - } + } kw = KW[++r]; r0 = Mcol((uint)S[C0 & 255] ^ (((uint)S[(C1 >> 8) & 255]) << 8) ^ (((uint)S[(C2 >> 16) & 255]) << 16) ^ (((uint)S[(C3 >> 24) & 255]) << 24)) ^ kw[0]; @@ -382,7 +382,7 @@ namespace Org.BouncyCastle.Crypto.Engines r2 = Mcol((uint)S[C2 & 255] ^ (((uint)S[(C3 >> 8) & 255]) << 8) ^ (((uint)S[(C0 >> 16) & 255]) << 16) ^ (((uint)S[(C1 >> 24) & 255]) << 24)) ^ kw[2]; r3 = Mcol((uint)S[C3 & 255] ^ (((uint)S[(C0 >> 8) & 255]) << 8) ^ (((uint)S[(C1 >> 16) & 255]) << 16) ^ (((uint)S[(C2 >> 24) & 255]) << 24)) ^ kw[3]; - // the final round is a simple function of S + // the final round is a simple function of S kw = KW[++r]; C0 = (uint)S[r0 & 255] ^ (((uint)S[(r1 >> 8) & 255]) << 8) ^ (((uint)S[(r2 >> 16) & 255]) << 16) ^ (((uint)S[(r3 >> 24) & 255]) << 24) ^ kw[0]; @@ -393,8 +393,8 @@ namespace Org.BouncyCastle.Crypto.Engines Debug.Assert(r == ROUNDS); } - private void DecryptBlock() - { + private void DecryptBlock() + { uint[][] KW = WorkingKey; int r = ROUNDS; @@ -408,7 +408,7 @@ namespace Org.BouncyCastle.Crypto.Engines uint r0, r1, r2, r3; while (r > 2) - { + { kw = KW[--r]; r0 = Inv_Mcol((uint)Si[C0 & 255] ^ (((uint)Si[(C3 >> 8) & 255]) << 8) ^ (((uint)Si[(C2 >> 16) & 255]) << 16) ^ ((uint)Si[(C1 >> 24) & 255] << 24)) ^ kw[0]; r1 = Inv_Mcol((uint)Si[C1 & 255] ^ (((uint)Si[(C0 >> 8) & 255]) << 8) ^ (((uint)Si[(C3 >> 16) & 255]) << 16) ^ ((uint)Si[(C2 >> 24) & 255] << 24)) ^ kw[1]; @@ -419,7 +419,7 @@ namespace Org.BouncyCastle.Crypto.Engines C1 = Inv_Mcol((uint)Si[r1 & 255] ^ (((uint)Si[(r0 >> 8) & 255]) << 8) ^ (((uint)Si[(r3 >> 16) & 255]) << 16) ^ ((uint)Si[(r2 >> 24) & 255] << 24)) ^ kw[1]; C2 = Inv_Mcol((uint)Si[r2 & 255] ^ (((uint)Si[(r1 >> 8) & 255]) << 8) ^ (((uint)Si[(r0 >> 16) & 255]) << 16) ^ ((uint)Si[(r3 >> 24) & 255] << 24)) ^ kw[2]; C3 = Inv_Mcol((uint)Si[r3 & 255] ^ (((uint)Si[(r2 >> 8) & 255]) << 8) ^ (((uint)Si[(r1 >> 16) & 255]) << 16) ^ ((uint)Si[(r0 >> 24) & 255] << 24)) ^ kw[3]; - } + } kw = KW[--r]; r0 = Inv_Mcol((uint)Si[C0 & 255] ^ (((uint)Si[(C3 >> 8) & 255]) << 8) ^ (((uint)Si[(C2 >> 16) & 255]) << 16) ^ ((uint)Si[(C1 >> 24) & 255] << 24)) ^ kw[0]; @@ -427,7 +427,7 @@ namespace Org.BouncyCastle.Crypto.Engines r2 = Inv_Mcol((uint)Si[C2 & 255] ^ (((uint)Si[(C1 >> 8) & 255]) << 8) ^ (((uint)Si[(C0 >> 16) & 255]) << 16) ^ ((uint)Si[(C3 >> 24) & 255] << 24)) ^ kw[2]; r3 = Inv_Mcol((uint)Si[C3 & 255] ^ (((uint)Si[(C2 >> 8) & 255]) << 8) ^ (((uint)Si[(C1 >> 16) & 255]) << 16) ^ ((uint)Si[(C0 >> 24) & 255] << 24)) ^ kw[3]; - // the final round's table is a simple function of Si + // the final round's table is a simple function of Si kw = KW[--r]; C0 = (uint)Si[r0 & 255] ^ (((uint)Si[(r3 >> 8) & 255]) << 8) ^ (((uint)Si[(r2 >> 16) & 255]) << 16) ^ (((uint)Si[(r1 >> 24) & 255]) << 24) ^ kw[0]; @@ -437,5 +437,5 @@ namespace Org.BouncyCastle.Crypto.Engines Debug.Assert(r == 0); } - } + } } |