diff options
Diffstat (limited to 'dep/src/g3dlite/Crypto.cpp')
| -rw-r--r-- | dep/src/g3dlite/Crypto.cpp | 17 |
1 files changed, 0 insertions, 17 deletions
diff --git a/dep/src/g3dlite/Crypto.cpp b/dep/src/g3dlite/Crypto.cpp index bff3a5a966c..ff8019ad29d 100644 --- a/dep/src/g3dlite/Crypto.cpp +++ b/dep/src/g3dlite/Crypto.cpp @@ -1,26 +1,19 @@ /** @file Crypto.cpp - @author Morgan McGuire, matrix@graphics3d.com - @created 2006-03-28 @edited 2006-04-06 */ - #include "G3D/platform.h" #include "G3D/Crypto.h" #include "G3D/g3dmath.h" - namespace G3D { - int Crypto::smallPrime(int n) { debugAssert(n < numSmallPrimes() && n >= 0); - // From: // http://primes.utm.edu/lists/small/1000.txt - static const int table[] = { 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, @@ -53,15 +46,12 @@ int Crypto::smallPrime(int n) { 1823, 1831, 1847, 1861, 1867, 1871, 1873, 1877, 1879, 1889, 1901, 1907, 1913, 1931, 1933, 1949, 1951, 1973, 1979, 1987, 1993, 1997, 1999}; - return table[n]; } - int Crypto::numSmallPrimes() { return 303; } - uint32 Crypto::crc32(const void* byte, size_t numBytes) { static const uint32 crc32Table[256] = { 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, @@ -80,7 +70,6 @@ uint32 Crypto::crc32(const void* byte, size_t numBytes) { 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F, 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, - 0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433, 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, @@ -97,7 +86,6 @@ uint32 Crypto::crc32(const void* byte, size_t numBytes) { 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F, 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD, - 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, @@ -114,7 +102,6 @@ uint32 Crypto::crc32(const void* byte, size_t numBytes) { 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D, - 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713, 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, @@ -132,16 +119,12 @@ uint32 Crypto::crc32(const void* byte, size_t numBytes) { 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D, }; - // By definition, initialize to all binary 1's uint32 value = 0xFFFFFFFF; - for (size_t i = 0; i < numBytes; ++i) { value = (value >> 8 ) ^ crc32Table[static_cast<const uint8*>(byte)[i] ^ (value & 0xFF)]; } - return value; } - } // G3D |