crypt_eal_entropy.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_ENTROPY_H
#define CRYPT_EAL_ENTROPY_H
 
#include <stdbool.h>
#include <stdint.h>
#include "crypt_algid.h"
#include "crypt_types.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct CryptEalEntropySource CRYPT_EAL_Es;

typedef void (*CRYPT_EAL_EsLogFunc)(int32_t ret);

CRYPT_EAL_Es *CRYPT_EAL_EsNew(void);

void CRYPT_EAL_EsFree(CRYPT_EAL_Es *es);

int32_t CRYPT_EAL_EsInit(CRYPT_EAL_Es *es);

int32_t CRYPT_EAL_EsCtrl(CRYPT_EAL_Es *es, int32_t type, void *data, uint32_t len);

uint32_t CRYPT_EAL_EsEntropyGet(CRYPT_EAL_Es *es, uint8_t *data, uint32_t len);
 
typedef struct EAL_SeedPool CRYPT_EAL_SeedPoolCtx;

CRYPT_EAL_SeedPoolCtx *CRYPT_EAL_SeedPoolNew(bool isCreateNullPool);

int32_t CRYPT_EAL_SeedPoolAddEs(CRYPT_EAL_SeedPoolCtx *ctx, const CRYPT_EAL_EsPara *para);

int32_t CRYPT_EAL_SeedPoolGetEntropy(CRYPT_EAL_SeedPoolCtx *ctx, CRYPT_Data *entropy, uint32_t strength,
    const CRYPT_Range *lenRange);

void CRYPT_EAL_SeedPoolFree(CRYPT_EAL_SeedPoolCtx *ctx);
 
#ifdef __cplusplus
}
#endif
#endif