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b3a68ed095
DirtySDK (EA's Dirty Sockets library) will be used for the LiveAPI implementation, and depends on: EABase, EAThread.
88 lines
2.4 KiB
C
88 lines
2.4 KiB
C
/*H*******************************************************************/
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/*!
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\File cryptsha2.h
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\Description
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This module implements SHA2 as defined in RFC 6234, which is
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itself based on FIPS 180-2.
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\Notes
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This implementation is limited to hashing no more than 2^32-9
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bytes. It will silently produce the wrong result if an attempt
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is made to hash more data.
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\Copyright
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Copyright (c) Electronic Arts 2013
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\Version 1.0 11/04/2013 (jbrookes) First Version
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*/
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/*******************************************************************H*/
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#ifndef _cryptsha2_h
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#define _cryptsha2_h
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/*!
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\Moduledef CryptSha2 CryptSha2
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\Modulemember Crypt
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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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//! maximum hash result
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#define CRYPTSHA224_HASHSIZE (28)
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#define CRYPTSHA256_HASHSIZE (32)
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#define CRYPTSHA384_HASHSIZE (48)
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#define CRYPTSHA512_HASHSIZE (64)
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#define CRYPTSHA2_HASHSIZE_MAX (CRYPTSHA512_HASHSIZE)
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/*** Macros **********************************************************/
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/*** Type Definitions ************************************************/
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//! private SHA2 state
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typedef struct CryptSha2T
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{
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uint32_t uCount; //!< total length of hash data in bytes
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uint8_t uHashSize; //!< hash size
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uint8_t uBlockSize; //!< 64/128 depending on mode
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uint8_t uPartialCount; //!< # bytes in the partial data block
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uint8_t _pad;
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union
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{
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uint32_t H_32[8];
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uint64_t H_64[8];
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}TempHash; //!< temporary hash state
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uint8_t strData[128]; //!< partial data block
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} CryptSha2T;
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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 SHA2 context.
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DIRTYCODE_API void CryptSha2Init(CryptSha2T *pSha2, int32_t iHashSize);
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// add data to the SHA2 context (hash the data).
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DIRTYCODE_API void CryptSha2Update(CryptSha2T *pSha2, const uint8_t *pInput, uint32_t uInputLength);
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// convert SHA2 state into final output form
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DIRTYCODE_API void CryptSha2Final(CryptSha2T *pSha2, uint8_t *pBuffer, uint32_t uLength);
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#ifdef __cplusplus
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}
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#endif
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//@}
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#endif // _cryptsha2_h
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