/* crc32_ieee code: * COPYRIGHT (C) 1986 Gary S. Brown. You may use this program, or * code or tables extracted from it, as desired without restriction. */ /* crc32c code taken from 2.6.29 Linux kernel crypto/crc32c.c: * Copyright (c) 2004 Cisco Systems, Inc. * Copyright (c) 2008 Herbert Xu * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the Free * Software Foundation; either version 2 of the License, or (at your option) * any later version. */ /* crc64 code taken from Jacksum version 1.7.0 - checksum utility in Java * E-mail: jonelo@jonelo.de * Copyright (C) 2001-2006 Dipl.-Inf. (FH) Johann Nepomuk Loefflmann, * All Rights Reserved, http://www.jonelo.de * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. */ #include "crc.h" #include #include #include /* * This is the CRC-32C table * Generated with: * width = 32 bits * poly = 0x1EDC6F41 * reflect input bytes = true * reflect output bytes = true */ static const uint32_t crc32c_tab[] = { 0x00000000, 0xF26B8303, 0xE13B70F7, 0x1350F3F4, 0xC79A971F, 0x35F1141C, 0x26A1E7E8, 0xD4CA64EB, 0x8AD958CF, 0x78B2DBCC, 0x6BE22838, 0x9989AB3B, 0x4D43CFD0, 0xBF284CD3, 0xAC78BF27, 0x5E133C24, 0x105EC76F, 0xE235446C, 0xF165B798, 0x030E349B, 0xD7C45070, 0x25AFD373, 0x36FF2087, 0xC494A384, 0x9A879FA0, 0x68EC1CA3, 0x7BBCEF57, 0x89D76C54, 0x5D1D08BF, 0xAF768BBC, 0xBC267848, 0x4E4DFB4B, 0x20BD8EDE, 0xD2D60DDD, 0xC186FE29, 0x33ED7D2A, 0xE72719C1, 0x154C9AC2, 0x061C6936, 0xF477EA35, 0xAA64D611, 0x580F5512, 0x4B5FA6E6, 0xB93425E5, 0x6DFE410E, 0x9F95C20D, 0x8CC531F9, 0x7EAEB2FA, 0x30E349B1, 0xC288CAB2, 0xD1D83946, 0x23B3BA45, 0xF779DEAE, 0x05125DAD, 0x1642AE59, 0xE4292D5A, 0xBA3A117E, 0x4851927D, 0x5B016189, 0xA96AE28A, 0x7DA08661, 0x8FCB0562, 0x9C9BF696, 0x6EF07595, 0x417B1DBC, 0xB3109EBF, 0xA0406D4B, 0x522BEE48, 0x86E18AA3, 0x748A09A0, 0x67DAFA54, 0x95B17957, 0xCBA24573, 0x39C9C670, 0x2A993584, 0xD8F2B687, 0x0C38D26C, 0xFE53516F, 0xED03A29B, 0x1F682198, 0x5125DAD3, 0xA34E59D0, 0xB01EAA24, 0x42752927, 0x96BF4DCC, 0x64D4CECF, 0x77843D3B, 0x85EFBE38, 0xDBFC821C, 0x2997011F, 0x3AC7F2EB, 0xC8AC71E8, 0x1C661503, 0xEE0D9600, 0xFD5D65F4, 0x0F36E6F7, 0x61C69362, 0x93AD1061, 0x80FDE395, 0x72966096, 0xA65C047D, 0x5437877E, 0x4767748A, 0xB50CF789, 0xEB1FCBAD, 0x197448AE, 0x0A24BB5A, 0xF84F3859, 0x2C855CB2, 0xDEEEDFB1, 0xCDBE2C45, 0x3FD5AF46, 0x7198540D, 0x83F3D70E, 0x90A324FA, 0x62C8A7F9, 0xB602C312, 0x44694011, 0x5739B3E5, 0xA55230E6, 0xFB410CC2, 0x092A8FC1, 0x1A7A7C35, 0xE811FF36, 0x3CDB9BDD, 0xCEB018DE, 0xDDE0EB2A, 0x2F8B6829, 0x82F63B78, 0x709DB87B, 0x63CD4B8F, 0x91A6C88C, 0x456CAC67, 0xB7072F64, 0xA457DC90, 0x563C5F93, 0x082F63B7, 0xFA44E0B4, 0xE9141340, 0x1B7F9043, 0xCFB5F4A8, 0x3DDE77AB, 0x2E8E845F, 0xDCE5075C, 0x92A8FC17, 0x60C37F14, 0x73938CE0, 0x81F80FE3, 0x55326B08, 0xA759E80B, 0xB4091BFF, 0x466298FC, 0x1871A4D8, 0xEA1A27DB, 0xF94AD42F, 0x0B21572C, 0xDFEB33C7, 0x2D80B0C4, 0x3ED04330, 0xCCBBC033, 0xA24BB5A6, 0x502036A5, 0x4370C551, 0xB11B4652, 0x65D122B9, 0x97BAA1BA, 0x84EA524E, 0x7681D14D, 0x2892ED69, 0xDAF96E6A, 0xC9A99D9E, 0x3BC21E9D, 0xEF087A76, 0x1D63F975, 0x0E330A81, 0xFC588982, 0xB21572C9, 0x407EF1CA, 0x532E023E, 0xA145813D, 0x758FE5D6, 0x87E466D5, 0x94B49521, 0x66DF1622, 0x38CC2A06, 0xCAA7A905, 0xD9F75AF1, 0x2B9CD9F2, 0xFF56BD19, 0x0D3D3E1A, 0x1E6DCDEE, 0xEC064EED, 0xC38D26C4, 0x31E6A5C7, 0x22B65633, 0xD0DDD530, 0x0417B1DB, 0xF67C32D8, 0xE52CC12C, 0x1747422F, 0x49547E0B, 0xBB3FFD08, 0xA86F0EFC, 0x5A048DFF, 0x8ECEE914, 0x7CA56A17, 0x6FF599E3, 0x9D9E1AE0, 0xD3D3E1AB, 0x21B862A8, 0x32E8915C, 0xC083125F, 0x144976B4, 0xE622F5B7, 0xF5720643, 0x07198540, 0x590AB964, 0xAB613A67, 0xB831C993, 0x4A5A4A90, 0x9E902E7B, 0x6CFBAD78, 0x7FAB5E8C, 0x8DC0DD8F, 0xE330A81A, 0x115B2B19, 0x020BD8ED, 0xF0605BEE, 0x24AA3F05, 0xD6C1BC06, 0xC5914FF2, 0x37FACCF1, 0x69E9F0D5, 0x9B8273D6, 0x88D28022, 0x7AB90321, 0xAE7367CA, 0x5C18E4C9, 0x4F48173D, 0xBD23943E, 0xF36E6F75, 0x0105EC76, 0x12551F82, 0xE03E9C81, 0x34F4F86A, 0xC69F7B69, 0xD5CF889D, 0x27A40B9E, 0x79B737BA, 0x8BDCB4B9, 0x988C474D, 0x6AE7C44E, 0xBE2DA0A5, 0x4C4623A6, 0x5F16D052, 0xAD7D5351 }; /* * Steps through buffer one byte at at time, calculates reflected * crc using table. */ uint32_t crc32c(uint32_t crc, const void *buf, size_t size) { const uint8_t *p = buf; while (size--) crc = crc32c_tab[(crc ^ *p++) & 0xFFL] ^ (crc >> 8); return crc; } const uint32_t *crc32c_table(void) { return crc32c_tab; } static const uint32_t crc32_ieee_tab[] = { 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d }; uint32_t crc32_ieee(uint32_t crc, const void *buf, size_t size) { const uint8_t *p; p = buf; crc ^= ~0U; while (size--) crc = crc32_ieee_tab[(crc ^ *p++) & 0xFF] ^ (crc >> 8); return crc ^ ~0U; } const uint32_t *crc32_ieee_table(void) { return crc32_ieee_tab; } /* We only keep the upper 16 bits of the table: the lower 48 are always 0 */ static uint16_t crc64_tab[] = { 0x0000, 0x01b0, 0x0360, 0x02d0, 0x06c0, 0x0770, 0x05a0, 0x0410, 0x0d80, 0x0c30, 0x0ee0, 0x0f50, 0x0b40, 0x0af0, 0x0820, 0x0990, 0x1b00, 0x1ab0, 0x1860, 0x19d0, 0x1dc0, 0x1c70, 0x1ea0, 0x1f10, 0x1680, 0x1730, 0x15e0, 0x1450, 0x1040, 0x11f0, 0x1320, 0x1290, 0x3600, 0x37b0, 0x3560, 0x34d0, 0x30c0, 0x3170, 0x33a0, 0x3210, 0x3b80, 0x3a30, 0x38e0, 0x3950, 0x3d40, 0x3cf0, 0x3e20, 0x3f90, 0x2d00, 0x2cb0, 0x2e60, 0x2fd0, 0x2bc0, 0x2a70, 0x28a0, 0x2910, 0x2080, 0x2130, 0x23e0, 0x2250, 0x2640, 0x27f0, 0x2520, 0x2490, 0x6c00, 0x6db0, 0x6f60, 0x6ed0, 0x6ac0, 0x6b70, 0x69a0, 0x6810, 0x6180, 0x6030, 0x62e0, 0x6350, 0x6740, 0x66f0, 0x6420, 0x6590, 0x7700, 0x76b0, 0x7460, 0x75d0, 0x71c0, 0x7070, 0x72a0, 0x7310, 0x7a80, 0x7b30, 0x79e0, 0x7850, 0x7c40, 0x7df0, 0x7f20, 0x7e90, 0x5a00, 0x5bb0, 0x5960, 0x58d0, 0x5cc0, 0x5d70, 0x5fa0, 0x5e10, 0x5780, 0x5630, 0x54e0, 0x5550, 0x5140, 0x50f0, 0x5220, 0x5390, 0x4100, 0x40b0, 0x4260, 0x43d0, 0x47c0, 0x4670, 0x44a0, 0x4510, 0x4c80, 0x4d30, 0x4fe0, 0x4e50, 0x4a40, 0x4bf0, 0x4920, 0x4890, 0xd800, 0xd9b0, 0xdb60, 0xdad0, 0xdec0, 0xdf70, 0xdda0, 0xdc10, 0xd580, 0xd430, 0xd6e0, 0xd750, 0xd340, 0xd2f0, 0xd020, 0xd190, 0xc300, 0xc2b0, 0xc060, 0xc1d0, 0xc5c0, 0xc470, 0xc6a0, 0xc710, 0xce80, 0xcf30, 0xcde0, 0xcc50, 0xc840, 0xc9f0, 0xcb20, 0xca90, 0xee00, 0xefb0, 0xed60, 0xecd0, 0xe8c0, 0xe970, 0xeba0, 0xea10, 0xe380, 0xe230, 0xe0e0, 0xe150, 0xe540, 0xe4f0, 0xe620, 0xe790, 0xf500, 0xf4b0, 0xf660, 0xf7d0, 0xf3c0, 0xf270, 0xf0a0, 0xf110, 0xf880, 0xf930, 0xfbe0, 0xfa50, 0xfe40, 0xfff0, 0xfd20, 0xfc90, 0xb400, 0xb5b0, 0xb760, 0xb6d0, 0xb2c0, 0xb370, 0xb1a0, 0xb010, 0xb980, 0xb830, 0xbae0, 0xbb50, 0xbf40, 0xbef0, 0xbc20, 0xbd90, 0xaf00, 0xaeb0, 0xac60, 0xadd0, 0xa9c0, 0xa870, 0xaaa0, 0xab10, 0xa280, 0xa330, 0xa1e0, 0xa050, 0xa440, 0xa5f0, 0xa720, 0xa690, 0x8200, 0x83b0, 0x8160, 0x80d0, 0x84c0, 0x8570, 0x87a0, 0x8610, 0x8f80, 0x8e30, 0x8ce0, 0x8d50, 0x8940, 0x88f0, 0x8a20, 0x8b90, 0x9900, 0x98b0, 0x9a60, 0x9bd0, 0x9fc0, 0x9e70, 0x9ca0, 0x9d10, 0x9480, 0x9530, 0x97e0, 0x9650, 0x9240, 0x93f0, 0x9120, 0x9090 }; uint64_t crc64_iso(uint64_t crc, const void *buf, size_t size) { const uint8_t *p = buf; while (size--) { uint64_t tabval = crc64_tab[(crc ^ *p++) & 0xFFL]; tabval <<= 48; crc = tabval ^ (crc >> 8); } return crc; } const uint64_t *crc64_iso_table(void) { static uint64_t *fulltab = NULL; unsigned int i; if (fulltab) return fulltab; fulltab = malloc(sizeof(uint64_t)*ARRAY_SIZE(crc64_tab)); if (!fulltab) return NULL; for (i = 0; i < ARRAY_SIZE(crc64_tab); i++) fulltab[i] = (uint64_t)crc64_tab[i] << 48; return fulltab; }