crypt_dsa.h

/*
 * This file is part of the openHiTLS project.
 *
 * openHiTLS is licensed under the Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *
 *     http://license.coscl.org.cn/MulanPSL2
 *
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v2 for more details.
 */
 
#ifndef CRYPT_DSA_H
#define CRYPT_DSA_H
 
#include "hitls_build.h"
#ifdef HITLS_CRYPTO_DSA
 
#include <stdint.h>
#include "crypt_bn.h"
#include "crypt_types.h"
#include "bsl_params.h"
#include "crypt_params_key.h"
#include "bsl_types.h"
 
#ifdef __cplusplus
extern "C" {
#endif /* __cpluscplus */
 
#ifndef CRYPT_DSA_TRY_MAX_CNT
#define CRYPT_DSA_TRY_MAX_CNT 100 // Maximum number of attempts to generate keys and signatures
#endif
 
#define CRYPT_DSA_FFC_PARAM 1
#define CRYPT_DH_FFC_PARAM 2
 
#define CRYPT_DISABLE_SP800_KEYGEN_FLAG 0
#define CRYPT_ENABLE_SP800_KEYGEN_FLAG 1
 
/* DSA key parameters */
typedef struct DSA_Para CRYPT_DSA_Para;
 
/* DSA key context */
typedef struct DSA_Ctx CRYPT_DSA_Ctx;
 
typedef struct {
    int32_t algId; // hash algid
    int32_t index; // gen g need index
    uint32_t l; // pbits
    uint32_t n; // qbits
} DSA_FIPS186_4_Para;

CRYPT_DSA_Ctx *CRYPT_DSA_NewCtx(void);

CRYPT_DSA_Ctx *CRYPT_DSA_NewCtxEx(void *libCtx);

CRYPT_DSA_Ctx *CRYPT_DSA_DupCtx(CRYPT_DSA_Ctx *dsaCtx);

void CRYPT_DSA_FreeCtx(CRYPT_DSA_Ctx *ctx);

CRYPT_DSA_Para *CRYPT_DSA_NewPara(const CRYPT_DsaPara *para);

void CRYPT_DSA_FreePara(CRYPT_DSA_Para *para);

int32_t CRYPT_DSA_SetPara(CRYPT_DSA_Ctx *ctx, const CRYPT_DsaPara *para);

int32_t CRYPT_DSA_GetPara(const CRYPT_DSA_Ctx *ctx, CRYPT_DsaPara *para);

uint32_t CRYPT_DSA_GetBits(const CRYPT_DSA_Ctx *ctx);

uint32_t CRYPT_DSA_GetSignLen(const CRYPT_DSA_Ctx *ctx);
int32_t CRYPT_DSA_Gen(CRYPT_DSA_Ctx *ctx);

int32_t CRYPT_DSA_Sign(const CRYPT_DSA_Ctx *ctx, int32_t algId, const uint8_t *data, uint32_t dataLen,
    uint8_t *sign, uint32_t *signLen);

int32_t CRYPT_DSA_SignData(const CRYPT_DSA_Ctx *ctx, const uint8_t *data, uint32_t dataLen,
    uint8_t *sign, uint32_t *signLen);

int32_t CRYPT_DSA_VerifyData(const CRYPT_DSA_Ctx *ctx, const uint8_t *data, uint32_t dataLen,
    const uint8_t *sign, uint32_t signLen);

int32_t CRYPT_DSA_Verify(const CRYPT_DSA_Ctx *ctx, int32_t algId, const uint8_t *data, uint32_t dataLen,
    const uint8_t *sign, uint32_t signLen);

int32_t CRYPT_DSA_SetPrvKey(CRYPT_DSA_Ctx *ctx, const CRYPT_DsaPrv *prv);

int32_t CRYPT_DSA_SetPubKey(CRYPT_DSA_Ctx *ctx, const CRYPT_DsaPub *pub);

int32_t CRYPT_DSA_GetPrvKey(const CRYPT_DSA_Ctx *ctx, CRYPT_DsaPrv *prv);

int32_t CRYPT_DSA_GetPubKey(const CRYPT_DSA_Ctx *ctx, CRYPT_DsaPub *pub);

int32_t CRYPT_DSA_SetParaEx(CRYPT_DSA_Ctx *ctx, const BSL_Param *para);

int32_t CRYPT_DSA_GetParaEx(const CRYPT_DSA_Ctx *ctx, BSL_Param *para);

int32_t CRYPT_DSA_SetPrvKeyEx(CRYPT_DSA_Ctx *ctx, const BSL_Param *para);

int32_t CRYPT_DSA_SetPubKeyEx(CRYPT_DSA_Ctx *ctx, const BSL_Param *para);

int32_t CRYPT_DSA_GetPrvKeyEx(const CRYPT_DSA_Ctx *ctx, BSL_Param *para);

int32_t CRYPT_DSA_GetPubKeyEx(const CRYPT_DSA_Ctx *ctx, BSL_Param *para);
 
#ifdef HITLS_CRYPTO_DSA_CMP
int32_t CRYPT_DSA_Cmp(const CRYPT_DSA_Ctx *a, const CRYPT_DSA_Ctx *b);
#else
#define CRYPT_DSA_Cmp NULL
#endif

int32_t CRYPT_DSA_Ctrl(CRYPT_DSA_Ctx *ctx, int32_t opt, void *val, uint32_t len);
 

int32_t CRYPT_DSA_GetSecBits(const CRYPT_DSA_Ctx *ctx);
 
#ifdef HITLS_CRYPTO_DSA_CHECK

int32_t CRYPT_DSA_Check(uint32_t checkType, const CRYPT_DSA_Ctx *pkey1, const CRYPT_DSA_Ctx *pkey2);
 
#endif // HITLS_CRYPTO_DSA_CHECK
 
#ifdef __cplusplus
}
#endif
 
#endif // HITLS_CRYPTO_DSA
 
#endif // CRYPT_DSA_H