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b3a68ed095
DirtySDK (EA's Dirty Sockets library) will be used for the LiveAPI implementation, and depends on: EABase, EAThread.
80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
/*H********************************************************************************/
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/*!
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\File murmurhash3.h
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\Description
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An implementation of MurmurHash3, based heavily on the x64 128bit output
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implementation. MurmurHash3 is a public domain hashing algorithm written
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by Austin Appleby, ref http://code.google.com/p/smhasher/wiki/MurmurHash3.
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MurmurHash3 is not cryptographically secure, however it has excellent
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collision resistance and is orders of magnitude faster than the fastest
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secure cryptographic hash.
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\Copyright
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Copyright (c) 2014 Electronic Arts
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\Version 03/07/2014 (jbrookes) First Version
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*/
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/********************************************************************************H*/
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#ifndef _murmurhash3_h
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#define _murmurhash3_h
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/*!
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\Moduledef MurmurHash3 MurmurHash3
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\Modulemember Util
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*/
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//@{
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/*** Include files ****************************************************************/
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#include "DirtySDK/platform.h"
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/*** Defines **********************************************************************/
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#define MURMURHASH_HASHSIZE (16)
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/*** Macros ***********************************************************************/
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/*** Type Definitions *************************************************************/
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typedef struct MurmurHash3T
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{
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uint64_t aState[2]; //!< hash state
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int32_t iCount; //!< total byte count
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uint8_t aData[16]; //!< partial data block
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} MurmurHash3T;
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/*** Variables ********************************************************************/
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/*** Functions ********************************************************************/
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#ifdef __cplusplus
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extern "C" {
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#endif
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// init the MurmurHash3 context
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DIRTYCODE_API void MurmurHash3Init(MurmurHash3T *pContext);
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// init the MurmurHash3 context, with hash size
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DIRTYCODE_API void MurmurHash3Init2(MurmurHash3T *pContext, int32_t iHashSize);
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// add data to the MurmurHash3 context (hash the data)
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DIRTYCODE_API void MurmurHash3Update(MurmurHash3T *pContext, const void *pBuffer, int32_t iLength);
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// convert MurmurHash3 state into final output form
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DIRTYCODE_API void MurmurHash3Final(MurmurHash3T *pContext, void *pBuffer, int32_t iLength);
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// hash the data, all-in-one version
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DIRTYCODE_API void MurmurHash3(void *_pOutput, int32_t iOutLen, const void *_pInput, int32_t iInpLen, const void *pKey, int32_t iKeyLen);
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#ifdef __cplusplus
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}
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#endif
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//@}
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#endif // _murmurhash3_h
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