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b3a68ed095
DirtySDK (EA's Dirty Sockets library) will be used for the LiveAPI implementation, and depends on: EABase, EAThread.
99 lines
3.1 KiB
C
99 lines
3.1 KiB
C
/*H********************************************************************************/
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/*!
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\File cryptcurve.h
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\Description
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This module implements an interface over our different curve crypto APIs
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\Copyright
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Copyright (c) Electronic Arts 2018. ALL RIGHTS RESERVED.
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*/
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/********************************************************************************H*/
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#ifndef _cryptcurve_h
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#define _cryptcurve_h
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/*!
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\Moduledef CryptCurve CryptCurve
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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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#include "DirtySDK/crypt/cryptbn.h"
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#include "DirtySDK/crypt/cryptdef.h"
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#include "DirtySDK/crypt/cryptnist.h"
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/*** Defines **********************************************************************/
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//! maximum state storage we need for diffie hellman
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#define CRYPTCURVE_DH_MAXSTATE (sizeof(CryptNistDhT))
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//! maximum state storage we need for digital signature algorithm
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#define CRYPTCURVE_DSA_MAXSTATE (sizeof(CryptNistDsaT))
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/*** Type Definitions *************************************************************/
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//! curve init function
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typedef int32_t (CryptCurveInitT)(void *pState, int32_t iCurveType);
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//! curve generate public function
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typedef int32_t (CryptCurvePublicT)(void *pState, CryptEccPointT *pResult, uint32_t *pCryptUsecs);
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//! curve generate secret function
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typedef int32_t (CryptCurveSecretT)(void *pState, CryptEccPointT *pPublicKey, CryptEccPointT *pResult, uint32_t *pCryptUsecs);
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//! curve init point
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typedef int32_t (CryptCurvePointInitT)(CryptEccPointT *pPoint, const uint8_t *pBuffer, int32_t iBufLen);
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//! curve output point to buffer (for dh cases)
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typedef int32_t (CryptCurvePointFinalT)(void *pState, const CryptEccPointT *pPoint, uint8_t bSecret, uint8_t *pBuffer, int32_t iBufLen);
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//! curve generate dsa signature
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typedef int32_t (CryptCurveSignT)(void *pState, const CryptBnT *pPrivateKey, const uint8_t *pHash, int32_t iHashSize, CryptEccPointT *pSignature, uint32_t *pCryptUsecs);
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//! curve verify dsa signature
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typedef int32_t (CryptCurveVerifyT)(void *pState, CryptEccPointT *pPublicKey, const uint8_t *pHash, int32_t iHashSize, CryptEccPointT *pSignature, uint32_t *pCryptUsecs);
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//! interface for dh functionality
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typedef struct CryptCurveDhT
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{
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CryptCurveInitT *Init;
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CryptCurvePublicT *Public;
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CryptCurveSecretT *Secret;
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CryptCurvePointInitT *PointInit;
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CryptCurvePointFinalT *PointFinal;
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int32_t iCurveType;
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} CryptCurveDhT;
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//! interface for dsa functionality
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typedef struct CryptCurveDsaT
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{
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CryptCurveInitT *Init;
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CryptCurveSignT *Sign;
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CryptCurveVerifyT *Verify;
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CryptCurvePointInitT *PointInit;
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int32_t iCurveType;
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} CryptCurveDsaT;
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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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// get dh reference and initializes based on curve type
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DIRTYCODE_API const CryptCurveDhT *CryptCurveGetDh(int32_t iCurveType);
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// get dsa reference and initializes based on curve type
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DIRTYCODE_API const CryptCurveDsaT *CryptCurveGetDsa(int32_t iCurveType);
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#ifdef __cplusplus
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}
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#endif
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//@}
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#endif // _cryptcurve_h
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