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Diffstat (limited to 'dep/include/g3dlite/G3D/Crypto.h')
-rw-r--r-- | dep/include/g3dlite/G3D/Crypto.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/dep/include/g3dlite/G3D/Crypto.h b/dep/include/g3dlite/G3D/Crypto.h index 73eaeeb8fa4..2805e8590c2 100644 --- a/dep/include/g3dlite/G3D/Crypto.h +++ b/dep/include/g3dlite/G3D/Crypto.h @@ -1,34 +1,47 @@ /** @file Crypto.h + @maintainer Morgan McGuire, matrix@graphics3d.com + @created 2006-03-29 @edited 2006-04-06 */ + #ifndef G3D_CRYPTO_H #define G3D_CRYPTO_H + #include "G3D/platform.h" #include "G3D/g3dmath.h" #include <string> + namespace G3D { + /** Cryptography and hashing helper functions */ class Crypto { public: + /** Computes the CRC32 value of a byte array. CRC32 is designed to be a hash function that produces different values for similar strings. + This implementation is compatible with PKZIP and GZIP. + Based on http://www.gamedev.net/reference/programming/features/crc32/ */ static uint32 crc32(const void* bytes, size_t numBytes); + /** Returns the nth prime less than 2000 in constant time. The first prime has index 0 and is the number 2. */ static int smallPrime(int n); + /** Returns 1 + the largest value that can be passed to smallPrime. */ static int numSmallPrimes(); }; + } + #endif |