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- #ifndef CRYS_SRP_H
- #define CRYS_SRP_H
- #include "ssi_pal_types.h"
- #include "crys_error.h"
- #include "crys_pka_defs_hw.h"
- #include "crys_hash.h"
- #include "crys_rnd.h"
- #ifdef __cplusplus
- extern "C"
- {
- #endif
- #define CRYS_SRP_MODULUS_SIZE_1024_BITS 1024
- #define CRYS_SRP_MODULUS_SIZE_1536_BITS 1536
- #define CRYS_SRP_MODULUS_SIZE_2048_BITS 2048
- #define CRYS_SRP_MODULUS_SIZE_3072_BITS 3072
- #define CRYS_SRP_MAX_MODULUS_IN_BITS CRYS_SRP_MODULUS_SIZE_3072_BITS
- #define CRYS_SRP_MAX_MODULUS (CRYS_SRP_MAX_MODULUS_IN_BITS/SASI_BITS_IN_BYTE)
- #define CRYS_SRP_MAX_MODULUS_IN_WORDS (CRYS_SRP_MAX_MODULUS_IN_BITS/SASI_BITS_IN_32BIT_WORD)
- #define CRYS_SRP_PRIV_NUM_MIN_SIZE_IN_BITS (256)
- #define CRYS_SRP_PRIV_NUM_MIN_SIZE (CRYS_SRP_PRIV_NUM_MIN_SIZE_IN_BITS/SASI_BITS_IN_BYTE)
- #define CRYS_SRP_PRIV_NUM_MIN_SIZE_IN_WORDS (CRYS_SRP_PRIV_NUM_MIN_SIZE_IN_BITS/SASI_BITS_IN_32BIT_WORD)
- #define CRYS_SRP_PRIV_NUM_MAX_SIZE_IN_BITS (CRYS_SRP_MAX_MODULUS_IN_BITS)
- #define CRYS_SRP_PRIV_NUM_MAX_SIZE (CRYS_SRP_PRIV_NUM_MAX_SIZE_IN_BITS/SASI_BITS_IN_BYTE)
- #define CRYS_SRP_PRIV_NUM_MAX_SIZE_IN_WORDS (CRYS_SRP_PRIV_NUM_MAX_SIZE_IN_BITS/SASI_BITS_IN_32BIT_WORD)
- #define CRYS_SRP_MAX_DIGEST_IN_WORDS CRYS_HASH_RESULT_SIZE_IN_WORDS
- #define CRYS_SRP_MAX_DIGEST (CRYS_SRP_MAX_DIGEST_IN_WORDS*SASI_32BIT_WORD_SIZE)
- #define CRYS_SRP_MIN_SALT_SIZE (8)
- #define CRYS_SRP_MIN_SALT_SIZE_IN_WORDS (CRYS_SRP_MIN_SALT_SIZE/SASI_32BIT_WORD_SIZE)
- #define CRYS_SRP_MAX_SALT_SIZE (64)
- #define CRYS_SRP_MAX_SALT_SIZE_IN_WORDS (CRYS_SRP_MAX_SALT_SIZE/SASI_32BIT_WORD_SIZE)
- typedef uint8_t CRYS_SRP_Modulus_t[CRYS_SRP_MAX_MODULUS];
- typedef uint8_t CRYS_SRP_Digest_t[CRYS_SRP_MAX_DIGEST];
- typedef uint8_t CRYS_SRP_Secret_t[2*CRYS_SRP_MAX_DIGEST];
- typedef enum {
- CRYS_SRP_VER_3 = 0,
- CRYS_SRP_VER_6 = 1,
- CRYS_SRP_VER_6A = 2,
- CRYS_SRP_VER_HK = 3,
-
- CRYS_SRP_NumOfVersions,
-
- CRYS_SRP_VersionLast= 0x7FFFFFFF,
- }CRYS_SRP_Version_t;
- typedef enum {
- CRYS_SRP_HOST = 1,
- CRYS_SRP_USER = 2,
-
- CRYS_SRP_NumOfEntityType,
-
- CRYS_SRP_EntityLast= 0x7FFFFFFF,
- }CRYS_SRP_Entity_t;
- typedef struct CRYS_SRP_GroupParam_t {
-
- CRYS_SRP_Modulus_t modulus;
-
- uint8_t gen;
-
- size_t modSizeInBits;
-
- uint32_t validNp;
-
- uint32_t Np[CRYS_PKA_BARRETT_MOD_TAG_BUFF_SIZE_IN_WORDS];
- }CRYS_SRP_GroupParam_t;
- typedef struct CRYS_SRP_Context_t {
-
- CRYS_SRP_Entity_t srpType;
-
- CRYS_SRP_Version_t srpVer;
-
- CRYS_SRP_GroupParam_t groupParam;
-
- CRYS_HASH_OperationMode_t hashMode;
-
- size_t hashDigestSize;
-
- CRYS_RND_State_t *pRndState;
-
- SaSiRndGenerateVectWorkFunc_t rndGenerateVectFunc;
-
- CRYS_SRP_Modulus_t ephemPriv;
-
- size_t ephemPrivSize;
-
- CRYS_SRP_Digest_t userNameDigest;
-
- CRYS_SRP_Digest_t credDigest;
-
- CRYS_SRP_Digest_t kMult;
- }CRYS_SRP_Context_t;
- CIMPORT_C CRYSError_t CRYS_SRP_Init(
- CRYS_SRP_Entity_t srpType,
- CRYS_SRP_Version_t srpVer,
- CRYS_SRP_Modulus_t srpModulus,
- uint8_t srpGen,
- size_t modSizeInBits,
- CRYS_HASH_OperationMode_t hashMode,
- uint8_t *pUserName,
- size_t userNameSize,
- uint8_t *pPwd,
- size_t pwdSize,
- void *pRndState,
- SaSiRndGenerateVectWorkFunc_t rndGenerateVectFunc,
- CRYS_SRP_Context_t *pCtx
- );
- #define CRYS_SRP_HK_INIT(srpType, srpModulus, srpGen, modSizeInBits, pUserName, userNameSize, pPwd, pwdSize, pRndState, rndGenerateVectFunc, pCtx) \
- CRYS_SRP_Init(srpType, CRYS_SRP_VER_HK, srpModulus, srpGen, modSizeInBits, CRYS_HASH_SHA512_mode, pUserName, userNameSize, pPwd, pwdSize, pRndState, rndGenerateVectFunc, pCtx)
- CIMPORT_C CRYSError_t CRYS_SRP_PwdVerCreate(
- size_t saltSize,
- uint8_t *pSalt,
- CRYS_SRP_Modulus_t pwdVerifier,
- CRYS_SRP_Context_t *pCtx
- );
- CIMPORT_C CRYSError_t CRYS_SRP_Clear(
- CRYS_SRP_Context_t *pCtx
- );
- CIMPORT_C CRYSError_t CRYS_SRP_HostPubKeyCreate(
- size_t ephemPrivSize,
- CRYS_SRP_Modulus_t pwdVerifier,
- CRYS_SRP_Modulus_t hostPubKeyB,
- CRYS_SRP_Context_t *pCtx
- );
- CIMPORT_C CRYSError_t CRYS_SRP_HostProofVerifyAndCalc(
- size_t saltSize,
- uint8_t *pSalt,
- CRYS_SRP_Modulus_t pwdVerifier,
- CRYS_SRP_Modulus_t userPubKeyA,
- CRYS_SRP_Modulus_t hostPubKeyB,
- CRYS_SRP_Digest_t userProof,
- CRYS_SRP_Digest_t hostProof,
- CRYS_SRP_Secret_t sharedSecret,
- CRYS_SRP_Context_t *pCtx
- );
- CIMPORT_C CRYSError_t CRYS_SRP_UserPubKeyCreate(
- size_t ephemPrivSize,
- CRYS_SRP_Modulus_t userPubKeyA,
- CRYS_SRP_Context_t *pCtx
- );
- CIMPORT_C CRYSError_t CRYS_SRP_UserProofCalc(
- size_t saltSize,
- uint8_t *pSalt,
- CRYS_SRP_Modulus_t userPubKeyA,
- CRYS_SRP_Modulus_t hostPubKeyB,
- CRYS_SRP_Digest_t userProof,
- CRYS_SRP_Secret_t sharedSecret,
- CRYS_SRP_Context_t *pCtx
- );
- CIMPORT_C CRYSError_t CRYS_SRP_UserProofVerify(
- CRYS_SRP_Secret_t sharedSecret,
- CRYS_SRP_Modulus_t userPubKeyA,
- CRYS_SRP_Digest_t userProof,
- CRYS_SRP_Digest_t hostProof,
- CRYS_SRP_Context_t *pCtx
- );
- #ifdef __cplusplus
- }
- #endif
- #endif
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