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https://github.com/Mauler125/r5sdk.git
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b3a68ed095
DirtySDK (EA's Dirty Sockets library) will be used for the LiveAPI implementation, and depends on: EABase, EAThread.
133 lines
4.5 KiB
C
133 lines
4.5 KiB
C
/*H*******************************************************************/
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/*!
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\File crypthash.c
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\Description
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This module implements a generic wrapper for all cryptograph
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hash modules.
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\Copyright
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Copyright (c) Electronic Arts 2013
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\Version 1.0 11/05/2013 (jbrookes) First Version
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*/
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/*******************************************************************H*/
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/*** Include files ***************************************************/
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#include <string.h>
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#include "DirtySDK/platform.h"
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#include "DirtySDK/crypt/cryptmd5.h"
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#include "DirtySDK/crypt/cryptsha1.h"
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#include "DirtySDK/crypt/cryptsha2.h"
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#include "DirtySDK/util/murmurhash3.h"
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#include "DirtySDK/crypt/crypthash.h"
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/*** Defines *********************************************************/
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/*** Type Definitions ************************************************/
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/*** Variables *******************************************************/
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static const CryptHashT _CryptHash_Hashes[] =
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{
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{ (CryptHashInitT *)MurmurHash3Init2, (CryptHashUpdateT *)MurmurHash3Update, (CryptHashFinalT *)MurmurHash3Final, CRYPTHASH_MURMUR3, MURMURHASH_HASHSIZE },
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{ (CryptHashInitT *)CryptMD5Init2, (CryptHashUpdateT *)CryptMD5Update, (CryptHashFinalT *)CryptMD5Final, CRYPTHASH_MD5, MD5_BINARY_OUT },
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{ (CryptHashInitT *)CryptSha1Init2, (CryptHashUpdateT *)CryptSha1Update, (CryptHashFinalT *)CryptSha1Final, CRYPTHASH_SHA1, CRYPTSHA1_HASHSIZE },
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{ (CryptHashInitT *)CryptSha2Init, (CryptHashUpdateT *)CryptSha2Update, (CryptHashFinalT *)CryptSha2Final, CRYPTHASH_SHA224, CRYPTSHA224_HASHSIZE },
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{ (CryptHashInitT *)CryptSha2Init, (CryptHashUpdateT *)CryptSha2Update, (CryptHashFinalT *)CryptSha2Final, CRYPTHASH_SHA256, CRYPTSHA256_HASHSIZE },
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{ (CryptHashInitT *)CryptSha2Init, (CryptHashUpdateT *)CryptSha2Update, (CryptHashFinalT *)CryptSha2Final, CRYPTHASH_SHA384, CRYPTSHA384_HASHSIZE },
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{ (CryptHashInitT *)CryptSha2Init, (CryptHashUpdateT *)CryptSha2Update, (CryptHashFinalT *)CryptSha2Final, CRYPTHASH_SHA512, CRYPTSHA512_HASHSIZE }
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};
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/*** Private functions ***********************************************/
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/*** Public functions ************************************************/
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/*F*******************************************************************/
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/*!
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\Function CryptHashGet
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\Description
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Get CryptHash function block based on input hash size
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\Input eHashType - hash type to get size of
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\Output
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CryptHashT * - hash block pointer, or NULL if not found
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\Version 11/05/2013 (jbrookes)
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*/
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/*******************************************************************F*/
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const CryptHashT *CryptHashGet(CryptHashTypeE eHashType)
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{
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const CryptHashT *pHash;
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pHash = ((eHashType > CRYPTHASH_NULL) && (eHashType < CRYPTHASH_NUMHASHES)) ? &_CryptHash_Hashes[((int32_t)eHashType)-1] : (const CryptHashT *)NULL;
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return(pHash);
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}
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/*F*******************************************************************/
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/*!
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\Function CryptHashGetSize
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\Description
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Get hash size for specified hash type
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\Input eHashType - hash type to get size of
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\Output
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int32_t - size of specified hash
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\Version 03/07/2014 (jbrookes)
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*/
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/*******************************************************************F*/
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int32_t CryptHashGetSize(CryptHashTypeE eHashType)
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{
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const CryptHashT *pHash = CryptHashGet(eHashType);
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int32_t iHashSize = (pHash != NULL) ? pHash->iHashSize : -1;
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return(iHashSize);
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}
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/*F*******************************************************************/
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/*!
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\Function CryptHashGetBySize
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\Description
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Get the hash based on its size
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\Input iHashSize - size of hash we are trying to lookup
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\Output
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CryptHashTypeE - hash type, CRYPTHASH_NULL if not found
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\Notes
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Due to murmurhash3 using the same size as MD5, we choose to
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not include it.
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\Version 01/09/2018 (jbrookes)
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*/
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/*******************************************************************F*/
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CryptHashTypeE CryptHashGetBySize(int32_t iHashSize)
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{
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switch (iHashSize)
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{
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case MD5_BINARY_OUT:
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return(CRYPTHASH_MD5);
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case CRYPTSHA1_HASHSIZE:
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return(CRYPTHASH_SHA1);
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case CRYPTSHA224_HASHSIZE:
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return(CRYPTHASH_SHA224);
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case CRYPTSHA256_HASHSIZE:
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return(CRYPTHASH_SHA256);
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case CRYPTSHA384_HASHSIZE:
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return(CRYPTHASH_SHA384);
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case CRYPTSHA512_HASHSIZE:
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return(CRYPTHASH_SHA512);
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default:
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return(CRYPTHASH_NULL);
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}
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}
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