| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266 |
- const LOOKUP = Int32Array.from([
- 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
- ]);
- module.exports = function crc32(uint8Array, previous) {
- let crc = previous === 0 ? 0 : ~~previous ^ -1;
- for (let i = 0; i < uint8Array.byteLength; i++) {
- crc = LOOKUP[(crc ^ uint8Array[i]) & 0xff] ^ (crc >>> 8);
- }
- return (crc ^ -1) >>> 0;
- };
|
