nexmon – Blame information for rev 1
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1 | office | 1 | /* crc32.c |
2 | * CRC-32 routine |
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3 | * |
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4 | * Wireshark - Network traffic analyzer |
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5 | * By Gerald Combs <gerald@wireshark.org> |
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6 | * Copyright 1998 Gerald Combs |
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7 | * |
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8 | * This program is free software; you can redistribute it and/or |
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9 | * modify it under the terms of the GNU General Public License |
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10 | * as published by the Free Software Foundation; either version 2 |
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11 | * of the License, or (at your option) any later version. |
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12 | * |
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13 | * This program is distributed in the hope that it will be useful, |
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14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 | * GNU General Public License for more details. |
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17 | * |
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18 | * You should have received a copy of the GNU General Public License |
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19 | * along with this program; if not, write to the Free Software |
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20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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21 | * |
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22 | * Credits: |
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23 | * |
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24 | * Table from Solomon Peachy |
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25 | * Routine from Chris Waters |
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26 | */ |
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27 | |||
28 | #include "config.h" |
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29 | |||
30 | #include <glib.h> |
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31 | #include <wsutil/crc32.h> |
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32 | |||
33 | #define CRC32_ACCUMULATE(c,d,table) (c=(c>>8)^(table)[(c^(d))&0xFF]) |
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34 | |||
35 | /*****************************************************************/ |
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36 | /* */ |
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37 | /* CRC32C LOOKUP TABLE */ |
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38 | /* +++================ */ |
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39 | /* The following CRC lookup table was generated automagically */ |
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40 | /* by the Rocksoft^tm Model CRC Algorithm Table Generation */ |
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41 | /* Program V1.0 using the following model parameters: */ |
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42 | /* */ |
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43 | /* Width : 4 bytes. */ |
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44 | /* Poly : 0x1EDC6F41L */ |
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45 | /* Reverse : TRUE. */ |
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46 | /* */ |
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47 | /* For more information on the Rocksoft^tm Model CRC Algorithm, */ |
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48 | /* see the document titled "A Painless Guide to CRC Error */ |
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49 | /* Detection Algorithms" by Ross Williams */ |
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50 | /* (ross@guest.adelaide.edu.au.). This document is likely to be */ |
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51 | /* in the FTP archive "ftp.adelaide.edu.au/pub/rocksoft". */ |
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52 | /* */ |
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53 | /*****************************************************************/ |
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54 | #define CRC32C(c,d) CRC32_ACCUMULATE(c,d,crc32c_table) |
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55 | |||
56 | static const guint32 crc32c_table[256] = { |
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57 | 0x00000000U, 0xF26B8303U, 0xE13B70F7U, 0x1350F3F4U, 0xC79A971FU, |
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58 | 0x35F1141CU, 0x26A1E7E8U, 0xD4CA64EBU, 0x8AD958CFU, 0x78B2DBCCU, |
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59 | 0x6BE22838U, 0x9989AB3BU, 0x4D43CFD0U, 0xBF284CD3U, 0xAC78BF27U, |
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60 | 0x5E133C24U, 0x105EC76FU, 0xE235446CU, 0xF165B798U, 0x030E349BU, |
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61 | 0xD7C45070U, 0x25AFD373U, 0x36FF2087U, 0xC494A384U, 0x9A879FA0U, |
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62 | 0x68EC1CA3U, 0x7BBCEF57U, 0x89D76C54U, 0x5D1D08BFU, 0xAF768BBCU, |
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63 | 0xBC267848U, 0x4E4DFB4BU, 0x20BD8EDEU, 0xD2D60DDDU, 0xC186FE29U, |
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64 | 0x33ED7D2AU, 0xE72719C1U, 0x154C9AC2U, 0x061C6936U, 0xF477EA35U, |
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65 | 0xAA64D611U, 0x580F5512U, 0x4B5FA6E6U, 0xB93425E5U, 0x6DFE410EU, |
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66 | 0x9F95C20DU, 0x8CC531F9U, 0x7EAEB2FAU, 0x30E349B1U, 0xC288CAB2U, |
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67 | 0xD1D83946U, 0x23B3BA45U, 0xF779DEAEU, 0x05125DADU, 0x1642AE59U, |
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68 | 0xE4292D5AU, 0xBA3A117EU, 0x4851927DU, 0x5B016189U, 0xA96AE28AU, |
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69 | 0x7DA08661U, 0x8FCB0562U, 0x9C9BF696U, 0x6EF07595U, 0x417B1DBCU, |
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70 | 0xB3109EBFU, 0xA0406D4BU, 0x522BEE48U, 0x86E18AA3U, 0x748A09A0U, |
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71 | 0x67DAFA54U, 0x95B17957U, 0xCBA24573U, 0x39C9C670U, 0x2A993584U, |
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72 | 0xD8F2B687U, 0x0C38D26CU, 0xFE53516FU, 0xED03A29BU, 0x1F682198U, |
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73 | 0x5125DAD3U, 0xA34E59D0U, 0xB01EAA24U, 0x42752927U, 0x96BF4DCCU, |
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74 | 0x64D4CECFU, 0x77843D3BU, 0x85EFBE38U, 0xDBFC821CU, 0x2997011FU, |
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75 | 0x3AC7F2EBU, 0xC8AC71E8U, 0x1C661503U, 0xEE0D9600U, 0xFD5D65F4U, |
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76 | 0x0F36E6F7U, 0x61C69362U, 0x93AD1061U, 0x80FDE395U, 0x72966096U, |
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77 | 0xA65C047DU, 0x5437877EU, 0x4767748AU, 0xB50CF789U, 0xEB1FCBADU, |
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78 | 0x197448AEU, 0x0A24BB5AU, 0xF84F3859U, 0x2C855CB2U, 0xDEEEDFB1U, |
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79 | 0xCDBE2C45U, 0x3FD5AF46U, 0x7198540DU, 0x83F3D70EU, 0x90A324FAU, |
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80 | 0x62C8A7F9U, 0xB602C312U, 0x44694011U, 0x5739B3E5U, 0xA55230E6U, |
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81 | 0xFB410CC2U, 0x092A8FC1U, 0x1A7A7C35U, 0xE811FF36U, 0x3CDB9BDDU, |
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82 | 0xCEB018DEU, 0xDDE0EB2AU, 0x2F8B6829U, 0x82F63B78U, 0x709DB87BU, |
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83 | 0x63CD4B8FU, 0x91A6C88CU, 0x456CAC67U, 0xB7072F64U, 0xA457DC90U, |
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84 | 0x563C5F93U, 0x082F63B7U, 0xFA44E0B4U, 0xE9141340U, 0x1B7F9043U, |
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85 | 0xCFB5F4A8U, 0x3DDE77ABU, 0x2E8E845FU, 0xDCE5075CU, 0x92A8FC17U, |
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86 | 0x60C37F14U, 0x73938CE0U, 0x81F80FE3U, 0x55326B08U, 0xA759E80BU, |
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87 | 0xB4091BFFU, 0x466298FCU, 0x1871A4D8U, 0xEA1A27DBU, 0xF94AD42FU, |
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88 | 0x0B21572CU, 0xDFEB33C7U, 0x2D80B0C4U, 0x3ED04330U, 0xCCBBC033U, |
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89 | 0xA24BB5A6U, 0x502036A5U, 0x4370C551U, 0xB11B4652U, 0x65D122B9U, |
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90 | 0x97BAA1BAU, 0x84EA524EU, 0x7681D14DU, 0x2892ED69U, 0xDAF96E6AU, |
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91 | 0xC9A99D9EU, 0x3BC21E9DU, 0xEF087A76U, 0x1D63F975U, 0x0E330A81U, |
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92 | 0xFC588982U, 0xB21572C9U, 0x407EF1CAU, 0x532E023EU, 0xA145813DU, |
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93 | 0x758FE5D6U, 0x87E466D5U, 0x94B49521U, 0x66DF1622U, 0x38CC2A06U, |
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94 | 0xCAA7A905U, 0xD9F75AF1U, 0x2B9CD9F2U, 0xFF56BD19U, 0x0D3D3E1AU, |
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95 | 0x1E6DCDEEU, 0xEC064EEDU, 0xC38D26C4U, 0x31E6A5C7U, 0x22B65633U, |
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96 | 0xD0DDD530U, 0x0417B1DBU, 0xF67C32D8U, 0xE52CC12CU, 0x1747422FU, |
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97 | 0x49547E0BU, 0xBB3FFD08U, 0xA86F0EFCU, 0x5A048DFFU, 0x8ECEE914U, |
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98 | 0x7CA56A17U, 0x6FF599E3U, 0x9D9E1AE0U, 0xD3D3E1ABU, 0x21B862A8U, |
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99 | 0x32E8915CU, 0xC083125FU, 0x144976B4U, 0xE622F5B7U, 0xF5720643U, |
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100 | 0x07198540U, 0x590AB964U, 0xAB613A67U, 0xB831C993U, 0x4A5A4A90U, |
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101 | 0x9E902E7BU, 0x6CFBAD78U, 0x7FAB5E8CU, 0x8DC0DD8FU, 0xE330A81AU, |
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102 | 0x115B2B19U, 0x020BD8EDU, 0xF0605BEEU, 0x24AA3F05U, 0xD6C1BC06U, |
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103 | 0xC5914FF2U, 0x37FACCF1U, 0x69E9F0D5U, 0x9B8273D6U, 0x88D28022U, |
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104 | 0x7AB90321U, 0xAE7367CAU, 0x5C18E4C9U, 0x4F48173DU, 0xBD23943EU, |
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105 | 0xF36E6F75U, 0x0105EC76U, 0x12551F82U, 0xE03E9C81U, 0x34F4F86AU, |
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106 | 0xC69F7B69U, 0xD5CF889DU, 0x27A40B9EU, 0x79B737BAU, 0x8BDCB4B9U, |
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107 | 0x988C474DU, 0x6AE7C44EU, 0xBE2DA0A5U, 0x4C4623A6U, 0x5F16D052U, |
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108 | 0xAD7D5351U }; |
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109 | |||
110 | /* |
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111 | * Table for the AUTODIN/HDLC/802.x CRC. |
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112 | * |
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113 | * Polynomial is |
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114 | * |
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115 | * x^32 + x^26 + x^23 + x^22 + x^16 + x^12 + x^11 + x^10 + x^8 + |
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116 | * x^7 + x^5 + x^4 + x^2 + x + 1 |
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117 | */ |
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118 | static const guint32 crc32_ccitt_table[256] = { |
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119 | 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, |
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120 | 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, |
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121 | 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, |
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122 | 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, |
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123 | 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, |
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124 | 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, |
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125 | 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, |
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126 | 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, |
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127 | 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, |
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128 | 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, |
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129 | 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, |
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130 | 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, |
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131 | 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, |
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132 | 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, |
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133 | 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, |
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134 | 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, |
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135 | 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, |
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136 | 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, |
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137 | 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, |
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138 | 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, |
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139 | 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, |
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140 | 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, |
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141 | 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, |
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142 | 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, |
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143 | 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, |
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144 | 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, |
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145 | 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, |
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146 | 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, |
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147 | 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, |
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148 | 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, |
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149 | 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, |
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150 | 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, |
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151 | 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, |
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152 | 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, |
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153 | 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, |
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154 | 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, |
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155 | 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, |
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156 | 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, |
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157 | 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, |
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158 | 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, |
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159 | 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, |
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160 | 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, |
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161 | 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, |
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162 | 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, |
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163 | 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, |
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164 | 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, |
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165 | 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, |
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166 | 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, |
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167 | 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, |
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168 | 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, |
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169 | 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, |
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170 | 0x2d02ef8d |
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171 | }; |
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172 | |||
173 | /* |
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174 | * Table for the MPEG-2 CRC. |
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175 | * |
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176 | * Polynomial is |
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177 | * |
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178 | * x^32 + x^26 + x^23 + x^22 + x^16 + x^12 + x^11 + x^10 + x^8 + |
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179 | * x^7 + x^5 + x^4 + x^2 + x + 1 |
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180 | * |
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181 | * (which is the same polynomial as the one above us). |
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182 | * |
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183 | * NOTE: this is also used for ATM AAL5. |
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184 | */ |
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185 | static const guint32 crc32_mpeg2_table[256] = { |
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186 | 0x00000000, 0x04c11db7, 0x09823b6e, 0x0d4326d9, 0x130476dc, 0x17c56b6b, |
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187 | 0x1a864db2, 0x1e475005, 0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, 0x2b4bcb61, |
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188 | 0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd, 0x4c11db70, 0x48d0c6c7, |
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189 | 0x4593e01e, 0x4152fda9, 0x5f15adac, 0x5bd4b01b, 0x569796c2, 0x52568b75, |
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190 | 0x6a1936c8, 0x6ed82b7f, 0x639b0da6, 0x675a1011, 0x791d4014, 0x7ddc5da3, |
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191 | 0x709f7b7a, 0x745e66cd, 0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039, |
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192 | 0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5, 0xbe2b5b58, 0xbaea46ef, |
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193 | 0xb7a96036, 0xb3687d81, 0xad2f2d84, 0xa9ee3033, 0xa4ad16ea, 0xa06c0b5d, |
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194 | 0xd4326d90, 0xd0f37027, 0xddb056fe, 0xd9714b49, 0xc7361b4c, 0xc3f706fb, |
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195 | 0xceb42022, 0xca753d95, 0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1, |
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196 | 0xe13ef6f4, 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d, 0x34867077, 0x30476dc0, |
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197 | 0x3d044b19, 0x39c556ae, 0x278206ab, 0x23431b1c, 0x2e003dc5, 0x2ac12072, |
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198 | 0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16, 0x018aeb13, 0x054bf6a4, |
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199 | 0x0808d07d, 0x0cc9cdca, 0x7897ab07, 0x7c56b6b0, 0x71159069, 0x75d48dde, |
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200 | 0x6b93dddb, 0x6f52c06c, 0x6211e6b5, 0x66d0fb02, 0x5e9f46bf, 0x5a5e5b08, |
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201 | 0x571d7dd1, 0x53dc6066, 0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba, |
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202 | 0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e, 0xbfa1b04b, 0xbb60adfc, |
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203 | 0xb6238b25, 0xb2e29692, 0x8aad2b2f, 0x8e6c3698, 0x832f1041, 0x87ee0df6, |
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204 | 0x99a95df3, 0x9d684044, 0x902b669d, 0x94ea7b2a, 0xe0b41de7, 0xe4750050, |
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205 | 0xe9362689, 0xedf73b3e, 0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2, |
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206 | 0xc6bcf05f, 0xc27dede8, 0xcf3ecb31, 0xcbffd686, 0xd5b88683, 0xd1799b34, |
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207 | 0xdc3abded, 0xd8fba05a, 0x690ce0ee, 0x6dcdfd59, 0x608edb80, 0x644fc637, |
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208 | 0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb, 0x4f040d56, 0x4bc510e1, |
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209 | 0x46863638, 0x42472b8f, 0x5c007b8a, 0x58c1663d, 0x558240e4, 0x51435d53, |
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210 | 0x251d3b9e, 0x21dc2629, 0x2c9f00f0, 0x285e1d47, 0x36194d42, 0x32d850f5, |
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211 | 0x3f9b762c, 0x3b5a6b9b, 0x0315d626, 0x07d4cb91, 0x0a97ed48, 0x0e56f0ff, |
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212 | 0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623, 0xf12f560e, 0xf5ee4bb9, |
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213 | 0xf8ad6d60, 0xfc6c70d7, 0xe22b20d2, 0xe6ea3d65, 0xeba91bbc, 0xef68060b, |
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214 | 0xd727bbb6, 0xd3e6a601, 0xdea580d8, 0xda649d6f, 0xc423cd6a, 0xc0e2d0dd, |
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215 | 0xcda1f604, 0xc960ebb3, 0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7, |
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216 | 0xae3afba2, 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b, 0x9b3660c6, 0x9ff77d71, |
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217 | 0x92b45ba8, 0x9675461f, 0x8832161a, 0x8cf30bad, 0x81b02d74, 0x857130c3, |
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218 | 0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640, 0x4e8ee645, 0x4a4ffbf2, |
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219 | 0x470cdd2b, 0x43cdc09c, 0x7b827d21, 0x7f436096, 0x7200464f, 0x76c15bf8, |
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220 | 0x68860bfd, 0x6c47164a, 0x61043093, 0x65c52d24, 0x119b4be9, 0x155a565e, |
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221 | 0x18197087, 0x1cd86d30, 0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec, |
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222 | 0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088, 0x2497d08d, 0x2056cd3a, |
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223 | 0x2d15ebe3, 0x29d4f654, 0xc5a92679, 0xc1683bce, 0xcc2b1d17, 0xc8ea00a0, |
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224 | 0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, 0xdbee767c, 0xe3a1cbc1, 0xe760d676, |
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225 | 0xea23f0af, 0xeee2ed18, 0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4, |
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226 | 0x89b8fd09, 0x8d79e0be, 0x803ac667, 0x84fbdbd0, 0x9abc8bd5, 0x9e7d9662, |
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227 | 0x933eb0bb, 0x97ffad0c, 0xafb010b1, 0xab710d06, 0xa6322bdf, 0xa2f33668, |
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228 | 0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4 |
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229 | }; |
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230 | |||
231 | /* This table was compiled using the polynom: 0x0AA725CF*/ |
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232 | static const guint32 crc32_0AA725CF_reverse[] = { |
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233 | 0x00000000U, 0xCEAA95CEU, 0x7A1CE13DU, 0xB4B674F3U, |
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234 | 0xF439C27AU, 0x3A9357B4U, 0x8E252347U, 0x408FB689U, |
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235 | 0x0F3A4E55U, 0xC190DB9BU, 0x7526AF68U, 0xBB8C3AA6U, |
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236 | 0xFB038C2FU, 0x35A919E1U, 0x811F6D12U, 0x4FB5F8DCU, |
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237 | 0x1E749CAAU, 0xD0DE0964U, 0x64687D97U, 0xAAC2E859U, |
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238 | 0xEA4D5ED0U, 0x24E7CB1EU, 0x9051BFEDU, 0x5EFB2A23U, |
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239 | 0x114ED2FFU, 0xDFE44731U, 0x6B5233C2U, 0xA5F8A60CU, |
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240 | 0xE5771085U, 0x2BDD854BU, 0x9F6BF1B8U, 0x51C16476U, |
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241 | 0x3CE93954U, 0xF243AC9AU, 0x46F5D869U, 0x885F4DA7U, |
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242 | 0xC8D0FB2EU, 0x067A6EE0U, 0xB2CC1A13U, 0x7C668FDDU, |
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243 | 0x33D37701U, 0xFD79E2CFU, 0x49CF963CU, 0x876503F2U, |
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244 | 0xC7EAB57BU, 0x094020B5U, 0xBDF65446U, 0x735CC188U, |
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245 | 0x229DA5FEU, 0xEC373030U, 0x588144C3U, 0x962BD10DU, |
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246 | 0xD6A46784U, 0x180EF24AU, 0xACB886B9U, 0x62121377U, |
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247 | 0x2DA7EBABU, 0xE30D7E65U, 0x57BB0A96U, 0x99119F58U, |
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248 | 0xD99E29D1U, 0x1734BC1FU, 0xA382C8ECU, 0x6D285D22U, |
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249 | 0x79D272A8U, 0xB778E766U, 0x03CE9395U, 0xCD64065BU, |
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250 | 0x8DEBB0D2U, 0x4341251CU, 0xF7F751EFU, 0x395DC421U, |
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251 | 0x76E83CFDU, 0xB842A933U, 0x0CF4DDC0U, 0xC25E480EU, |
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252 | 0x82D1FE87U, 0x4C7B6B49U, 0xF8CD1FBAU, 0x36678A74U, |
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253 | 0x67A6EE02U, 0xA90C7BCCU, 0x1DBA0F3FU, 0xD3109AF1U, |
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254 | 0x939F2C78U, 0x5D35B9B6U, 0xE983CD45U, 0x2729588BU, |
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255 | 0x689CA057U, 0xA6363599U, 0x1280416AU, 0xDC2AD4A4U, |
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256 | 0x9CA5622DU, 0x520FF7E3U, 0xE6B98310U, 0x281316DEU, |
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257 | 0x453B4BFCU, 0x8B91DE32U, 0x3F27AAC1U, 0xF18D3F0FU, |
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258 | 0xB1028986U, 0x7FA81C48U, 0xCB1E68BBU, 0x05B4FD75U, |
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259 | 0x4A0105A9U, 0x84AB9067U, 0x301DE494U, 0xFEB7715AU, |
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260 | 0xBE38C7D3U, 0x7092521DU, 0xC42426EEU, 0x0A8EB320U, |
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261 | 0x5B4FD756U, 0x95E54298U, 0x2153366BU, 0xEFF9A3A5U, |
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262 | 0xAF76152CU, 0x61DC80E2U, 0xD56AF411U, 0x1BC061DFU, |
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263 | 0x54759903U, 0x9ADF0CCDU, 0x2E69783EU, 0xE0C3EDF0U, |
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264 | 0xA04C5B79U, 0x6EE6CEB7U, 0xDA50BA44U, 0x14FA2F8AU, |
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265 | 0xF3A4E550U, 0x3D0E709EU, 0x89B8046DU, 0x471291A3U, |
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266 | 0x079D272AU, 0xC937B2E4U, 0x7D81C617U, 0xB32B53D9U, |
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267 | 0xFC9EAB05U, 0x32343ECBU, 0x86824A38U, 0x4828DFF6U, |
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268 | 0x08A7697FU, 0xC60DFCB1U, 0x72BB8842U, 0xBC111D8CU, |
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269 | 0xEDD079FAU, 0x237AEC34U, 0x97CC98C7U, 0x59660D09U, |
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270 | 0x19E9BB80U, 0xD7432E4EU, 0x63F55ABDU, 0xAD5FCF73U, |
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271 | 0xE2EA37AFU, 0x2C40A261U, 0x98F6D692U, 0x565C435CU, |
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272 | 0x16D3F5D5U, 0xD879601BU, 0x6CCF14E8U, 0xA2658126U, |
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273 | 0xCF4DDC04U, 0x01E749CAU, 0xB5513D39U, 0x7BFBA8F7U, |
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274 | 0x3B741E7EU, 0xF5DE8BB0U, 0x4168FF43U, 0x8FC26A8DU, |
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275 | 0xC0779251U, 0x0EDD079FU, 0xBA6B736CU, 0x74C1E6A2U, |
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276 | 0x344E502BU, 0xFAE4C5E5U, 0x4E52B116U, 0x80F824D8U, |
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277 | 0xD13940AEU, 0x1F93D560U, 0xAB25A193U, 0x658F345DU, |
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278 | 0x250082D4U, 0xEBAA171AU, 0x5F1C63E9U, 0x91B6F627U, |
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279 | 0xDE030EFBU, 0x10A99B35U, 0xA41FEFC6U, 0x6AB57A08U, |
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280 | 0x2A3ACC81U, 0xE490594FU, 0x50262DBCU, 0x9E8CB872U, |
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281 | 0x8A7697F8U, 0x44DC0236U, 0xF06A76C5U, 0x3EC0E30BU, |
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282 | 0x7E4F5582U, 0xB0E5C04CU, 0x0453B4BFU, 0xCAF92171U, |
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283 | 0x854CD9ADU, 0x4BE64C63U, 0xFF503890U, 0x31FAAD5EU, |
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284 | 0x71751BD7U, 0xBFDF8E19U, 0x0B69FAEAU, 0xC5C36F24U, |
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285 | 0x94020B52U, 0x5AA89E9CU, 0xEE1EEA6FU, 0x20B47FA1U, |
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286 | 0x603BC928U, 0xAE915CE6U, 0x1A272815U, 0xD48DBDDBU, |
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287 | 0x9B384507U, 0x5592D0C9U, 0xE124A43AU, 0x2F8E31F4U, |
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288 | 0x6F01877DU, 0xA1AB12B3U, 0x151D6640U, 0xDBB7F38EU, |
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289 | 0xB69FAEACU, 0x78353B62U, 0xCC834F91U, 0x0229DA5FU, |
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290 | 0x42A66CD6U, 0x8C0CF918U, 0x38BA8DEBU, 0xF6101825U, |
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291 | 0xB9A5E0F9U, 0x770F7537U, 0xC3B901C4U, 0x0D13940AU, |
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292 | 0x4D9C2283U, 0x8336B74DU, 0x3780C3BEU, 0xF92A5670U, |
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293 | 0xA8EB3206U, 0x6641A7C8U, 0xD2F7D33BU, 0x1C5D46F5U, |
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294 | 0x5CD2F07CU, 0x927865B2U, 0x26CE1141U, 0xE864848FU, |
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295 | 0xA7D17C53U, 0x697BE99DU, 0xDDCD9D6EU, 0x136708A0U, |
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296 | 0x53E8BE29U, 0x9D422BE7U, 0x29F45F14U, 0xE75ECADAU |
||
297 | }; |
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298 | |||
299 | guint32 |
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300 | crc32c_table_lookup (guchar pos) |
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301 | { |
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302 | return crc32c_table[pos]; |
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303 | } |
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304 | |||
305 | guint32 |
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306 | crc32_ccitt_table_lookup (guchar pos) |
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307 | { |
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308 | return crc32_ccitt_table[pos]; |
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309 | } |
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310 | |||
311 | guint32 |
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312 | crc32c_calculate(const void *buf, int len, guint32 crc) |
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313 | { |
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314 | const guint8 *p = (const guint8 *)buf; |
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315 | crc = CRC32C_SWAP(crc); |
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316 | while (len-- > 0) { |
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317 | CRC32C(crc, *p++); |
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318 | } |
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319 | return CRC32C_SWAP(crc); |
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320 | } |
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321 | |||
322 | guint32 |
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323 | crc32c_calculate_no_swap(const void *buf, int len, guint32 crc) |
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324 | { |
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325 | const guint8 *p = (const guint8 *)buf; |
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326 | while (len-- > 0) { |
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327 | CRC32C(crc, *p++); |
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328 | } |
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329 | |||
330 | return crc; |
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331 | } |
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332 | |||
333 | guint32 |
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334 | crc32_ccitt(const guint8 *buf, guint len) |
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335 | { |
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336 | return (crc32_ccitt_seed(buf, len, CRC32_CCITT_SEED)); |
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337 | } |
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338 | |||
339 | guint32 |
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340 | crc32_ccitt_seed(const guint8 *buf, guint len, guint32 seed) |
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341 | { |
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342 | guint i; |
||
343 | guint32 crc32 = seed; |
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344 | |||
345 | for (i = 0; i < len; i++) |
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346 | CRC32_ACCUMULATE(crc32, buf[i], crc32_ccitt_table); |
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347 | |||
348 | return ( ~crc32 ); |
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349 | } |
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350 | |||
351 | guint32 |
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352 | crc32_mpeg2_seed(const guint8 *buf, guint len, guint32 seed) |
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353 | { |
||
354 | guint i; |
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355 | guint32 crc32; |
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356 | |||
357 | crc32 = seed; |
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358 | |||
359 | for (i = 0; i < len; i++) |
||
360 | crc32 = (crc32 << 8) ^ crc32_mpeg2_table[((crc32 >> 24) ^ buf[i]) & 0xff]; |
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361 | |||
362 | return ( crc32 ); |
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363 | } |
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364 | |||
365 | guint32 |
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366 | crc32_0x0AA725CF_seed(const guint8 *buf, guint len, guint32 seed) |
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367 | { |
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368 | guint crc32; |
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369 | |||
370 | crc32 = (guint)seed; |
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371 | while( len-- != 0 ) |
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372 | CRC32_ACCUMULATE(crc32, *buf++, crc32_0AA725CF_reverse); |
||
373 | |||
374 | return (guint32)crc32; |
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375 | } |
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376 | |||
377 | /* |
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378 | * Editor modelines - http://www.wireshark.org/tools/modelines.html |
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379 | * |
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380 | * Local variables: |
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381 | * c-basic-offset: 8 |
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382 | * tab-width: 8 |
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383 | * indent-tabs-mode: t |
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384 | * End: |
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385 | * |
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386 | * vi: set shiftwidth=8 tabstop=8 noexpandtab: |
||
387 | * :indentSize=8:tabSize=8:noTabs=false: |
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388 | */ |