crypt_dh.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_DH_H
#define CRYPT_DH_H
 
#include "hitls_build.h"
#ifdef HITLS_CRYPTO_DH
 
#include <stdint.h>
#include "crypt_types.h"
#include "crypt_algid.h"
#include "bsl_params.h"
 
#ifdef __cplusplus
extern "C" {
#endif /* __cpluscplus */
 
#ifndef CRYPT_DH_TRY_CNT_MAX
#define CRYPT_DH_TRY_CNT_MAX 100
#endif
 
/* DH key parameter */
typedef struct DH_Para CRYPT_DH_Para;
 
/* DH key context */
typedef struct DH_Ctx CRYPT_DH_Ctx;

CRYPT_DH_Ctx *CRYPT_DH_NewCtx(void);

CRYPT_DH_Ctx *CRYPT_DH_NewCtxEx(void *libCtx);

CRYPT_DH_Ctx *CRYPT_DH_DupCtx(CRYPT_DH_Ctx *ctx);

void CRYPT_DH_FreeCtx(CRYPT_DH_Ctx *ctx);

CRYPT_DH_Para *CRYPT_DH_NewPara(const CRYPT_DhPara *para);

void CRYPT_DH_FreePara(CRYPT_DH_Para *dhPara);

int32_t CRYPT_DH_SetPara(CRYPT_DH_Ctx *ctx, const CRYPT_DhPara *para);

int32_t CRYPT_DH_GetPara(const CRYPT_DH_Ctx *ctx, CRYPT_DhPara *para);
CRYPT_DH_Para *CRYPT_DH_NewParaById(int32_t id);

CRYPT_PKEY_ParaId CRYPT_DH_GetParaId(const CRYPT_DH_Ctx *ctx);

uint32_t CRYPT_DH_GetBits(const CRYPT_DH_Ctx *ctx);

int32_t CRYPT_DH_Gen(CRYPT_DH_Ctx *ctx);

int32_t CRYPT_DH_ComputeShareKey(const CRYPT_DH_Ctx *ctx, const CRYPT_DH_Ctx *pubKey,
    uint8_t *shareKey, uint32_t *shareKeyLen);

int32_t CRYPT_DH_SetPrvKey(CRYPT_DH_Ctx *ctx, const CRYPT_DhPrv *prv);

int32_t CRYPT_DH_SetPubKey(CRYPT_DH_Ctx *ctx, const CRYPT_DhPub *pub);

int32_t CRYPT_DH_GetPrvKey(const CRYPT_DH_Ctx *ctx, CRYPT_DhPrv *prv);

int32_t CRYPT_DH_GetPubKey(const CRYPT_DH_Ctx *ctx, CRYPT_DhPub *pub);
 
#ifdef HITLS_BSL_PARAMS
int32_t CRYPT_DH_SetPrvKeyEx(CRYPT_DH_Ctx *ctx, const BSL_Param *para);

int32_t CRYPT_DH_SetPubKeyEx(CRYPT_DH_Ctx *ctx, const BSL_Param *para);

int32_t CRYPT_DH_GetPrvKeyEx(const CRYPT_DH_Ctx *ctx, BSL_Param *para);

int32_t CRYPT_DH_GetPubKeyEx(const CRYPT_DH_Ctx *ctx, BSL_Param *para);

int32_t CRYPT_DH_SetParaEx(CRYPT_DH_Ctx *ctx, const BSL_Param *para);

int32_t CRYPT_DH_GetParaEx(const CRYPT_DH_Ctx *ctx, BSL_Param *para);
#endif
 
#ifdef HITLS_CRYPTO_DH_CHECK
int32_t CRYPT_DH_Check(uint32_t checkType, const CRYPT_DH_Ctx *pkey1, const CRYPT_DH_Ctx *pkey2);
 
#endif // HITLS_CRYPTO_DH_CHECK
 
#ifdef HITLS_CRYPTO_DH_CMP
int32_t CRYPT_DH_Cmp(const CRYPT_DH_Ctx *a, const CRYPT_DH_Ctx *b);
#else
#define CRYPT_DH_Cmp NULL
#endif

int32_t CRYPT_DH_Ctrl(CRYPT_DH_Ctx *ctx, int32_t opt, void *val, uint32_t len);

int32_t CRYPT_DH_CopyParam(const CRYPT_DH_Ctx *src, CRYPT_DH_Ctx *dest);

int32_t CRYPT_DH_GetSecBits(const CRYPT_DH_Ctx *ctx);
 
#ifdef __cplusplus
}
#endif
 
#endif // HITLS_CRYPTO_DH
 
#endif // CRYPT_DH_H