crypt_eal_rand.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_EAL_RAND_H
#define CRYPT_EAL_RAND_H
 
#include <stdbool.h>
#include <stdint.h>
#include "crypt_algid.h"
#include "crypt_types.h"
#include "bsl_params.h"
 
#ifdef __cplusplus
extern "C" {
#endif

  typedef int32_t (*CRYPT_EAL_RandFunc)(uint8_t *rand, uint32_t randLen);

  void CRYPT_EAL_SetRandCallBack(CRYPT_EAL_RandFunc func);

typedef int32_t (*CRYPT_EAL_RandFuncEx)(void *ctx, uint8_t *rand, uint32_t randLen);

void CRYPT_EAL_SetRandCallBackEx(CRYPT_EAL_RandFuncEx func);

int32_t CRYPT_EAL_RandInit(CRYPT_RAND_AlgId id, CRYPT_RandSeedMethod *seedMeth, void *seedCtx,
    const uint8_t *pers, uint32_t persLen);

int32_t CRYPT_EAL_ProviderRandInitCtx(CRYPT_EAL_LibCtx *libCtx, int32_t algId, const char *attrName,
    const uint8_t *pers, uint32_t persLen, BSL_Param *param);

void CRYPT_EAL_RandDeinit(void);

void CRYPT_EAL_RandDeinitEx(CRYPT_EAL_LibCtx *libCtx);

int32_t CRYPT_EAL_RandbytesWithAdin(uint8_t *byte, uint32_t len, uint8_t *addin, uint32_t addinLen);

int32_t CRYPT_EAL_RandbytesWithAdinEx(CRYPT_EAL_LibCtx *libCtx,
    uint8_t *byte, uint32_t len, uint8_t *addin, uint32_t addinLen);

int32_t CRYPT_EAL_Randbytes(uint8_t *byte, uint32_t len);

int32_t CRYPT_EAL_RandbytesEx(CRYPT_EAL_LibCtx *libCtx, uint8_t *byte, uint32_t len);

int32_t CRYPT_EAL_RandSeedWithAdin(uint8_t *addin, uint32_t addinLen);

int32_t CRYPT_EAL_RandSeed(void);

int32_t CRYPT_EAL_RandSeedEx(CRYPT_EAL_LibCtx *libCtx);
 
typedef struct EAL_RndCtx CRYPT_EAL_RndCtx;

CRYPT_EAL_RndCtx *CRYPT_EAL_DrbgNew(CRYPT_RAND_AlgId id, CRYPT_RandSeedMethod *seedMeth, void *seedCtx);

CRYPT_EAL_RndCtx *CRYPT_EAL_ProviderDrbgNewCtx(CRYPT_EAL_LibCtx *libCtx, int32_t algId, const char *attrName,
    BSL_Param *param);

void CRYPT_EAL_DrbgDeinit(CRYPT_EAL_RndCtx *ctx);

int32_t CRYPT_EAL_DrbgbytesWithAdin(CRYPT_EAL_RndCtx *ctx, uint8_t *byte, uint32_t len, uint8_t *addin, uint32_t addinLen);

int32_t CRYPT_EAL_Drbgbytes(CRYPT_EAL_RndCtx *ctx, uint8_t *byte, uint32_t len);

int32_t CRYPT_EAL_DrbgSeedWithAdin(CRYPT_EAL_RndCtx *ctx, uint8_t *addin, uint32_t addinLen);

int32_t CRYPT_EAL_DrbgSeed(CRYPT_EAL_RndCtx *ctx);

bool CRYPT_EAL_RandIsValidAlgId(CRYPT_RAND_AlgId id);

int32_t CRYPT_EAL_DrbgInstantiate(CRYPT_EAL_RndCtx *rndCtx, const uint8_t *pers, uint32_t persLen);

int32_t CRYPT_EAL_DrbgCtrl(CRYPT_EAL_RndCtx *ctx, int32_t cmd, void *val, uint32_t valLen);

CRYPT_EAL_RndCtx *CRYPT_EAL_GetSeedCtx(bool isParentEntropy);
 
#ifdef __cplusplus
}
#endif
 
#endif // CRYPT_EAL_RAND_H