lcc ea6d5613f4 增加算法库Public C Api 头文件
Signed-off-by: lcc <lichaochen@huawei.com>
2024-07-19 16:35:13 +08:00

136 lines
4.9 KiB
C

/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @addtogroup CryptoDigestApi
* @{
*
* @brief Describe openHarmony digest interfaces provide for applications.
*
* @since 12
*/
/**
* @file crypto_digest.h
*
* @brief Defines the digest APIs.
*
* @library libohcrypto.so
* @kit CryptoArchitectureKit
* @syscap SystemCapability.Security.CryptoFramework
* @since 12
*/
#ifndef CRYPTO_DIGEST_H
#define CRYPTO_DIGEST_H
#include "crypto_common.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Define the digest structure.
*
* @since 12
*/
typedef struct OH_CryptoDigest OH_CryptoDigest;
/**
* @brief Create a digest context according to the given algorithm name.
*
* @param algoName Indicates the algorithm name for generating the digest context. Example SHA256.
* @param ctx Indicates the pointer to the md context.
* @return {@link OH_Crypto_ErrCode#CRYPTO_SUCCESS} 0 - If the operation is successful.
* {@link OH_Crypto_ErrCode#CRYPTO_INVALID_PARAMS} 401 - If parameter is invalid.
* {@link OH_Crypto_ErrCode#CRYPTO_NOT_SUPPORTED} 801 - If the operation is not supported.
* {@link OH_Crypto_ErrCode#CRYPTO_MEMORY_ERROR} 17620001 - If memory operation failed.
* {@link OH_Crypto_ErrCode#CRYPTO_OPERTION_ERROR} 17630001 - If crypto opertion failed.
* @since 12
*/
OH_Crypto_ErrCode OH_CryptoDigest_Create(const char *algoName, OH_CryptoDigest **ctx);
/**
* @brief Update digest with dataBlob.
*
* @param ctx Indicates the digest context.
* @param in Indicates the dataBlob.
* @return {@link OH_Crypto_ErrCode#CRYPTO_SUCCESS} 0 - If the operation is successful.
* {@link OH_Crypto_ErrCode#CRYPTO_INVALID_PARAMS} 401 - If parameter is invalid.
* {@link OH_Crypto_ErrCode#CRYPTO_NOT_SUPPORTED} 801 - If the operation is not supported.
* {@link OH_Crypto_ErrCode#CRYPTO_MEMORY_ERROR} 17620001 - If memory operation failed.
* {@link OH_Crypto_ErrCode#CRYPTO_OPERTION_ERROR} 17630001 - If crypto opertion failed.
* @see OH_CryptoDigest_Final
* @since 12
*/
OH_Crypto_ErrCode OH_CryptoDigest_Update(OH_CryptoDigest *ctx, Crypto_DataBlob *in);
/**
* @brief Final digest with dataBlob.
*
* @param ctx Indicates the digest context.
* @param out Indicates the result as dataBlob.
* @return {@link OH_Crypto_ErrCode#CRYPTO_SUCCESS} 0 - If the operation is successful.
* {@link OH_Crypto_ErrCode#CRYPTO_INVALID_PARAMS} 401 - If parameter is invalid.
* {@link OH_Crypto_ErrCode#CRYPTO_NOT_SUPPORTED} 801 - If the operation is not supported.
* {@link OH_Crypto_ErrCode#CRYPTO_MEMORY_ERROR} 17620001 - If memory operation failed.
* {@link OH_Crypto_ErrCode#CRYPTO_OPERTION_ERROR} 17630001 - If crypto opertion failed.
* @see OH_CryptoDigest_Update
* @since 12
*/
OH_Crypto_ErrCode OH_CryptoDigest_Final(OH_CryptoDigest *ctx, Crypto_DataBlob *out);
/**
* @brief Get the digest length of the digest context.
*
* @param ctx Indicates the digest context.
* @return {@link OH_Crypto_ErrCode#CRYPTO_SUCCESS} 0 - If the operation is successful.
* {@link OH_Crypto_ErrCode#CRYPTO_INVALID_PARAMS} 401 - If parameter is invalid.
* {@link OH_Crypto_ErrCode#CRYPTO_NOT_SUPPORTED} 801 - If the operation is not supported.
* {@link OH_Crypto_ErrCode#CRYPTO_MEMORY_ERROR} 17620001 - If memory operation failed.
* {@link OH_Crypto_ErrCode#CRYPTO_OPERTION_ERROR} 17630001 - If crypto opertion failed.
* @since 12
*/
uint32_t OH_CryptoDigest_GetLength(OH_CryptoDigest *ctx);
/**
* @brief Get the algorithm name of the digest context.
*
* @param ctx Indicates the digest context.
* @return Return md algorithm name.
* @since 12
*/
const char *OH_CryptoDigest_GetAlgoName(OH_CryptoDigest *ctx);
/**
* @brief Destroy the digest context.
*
* @param ctx Indicates the digest context.
* @return {@link OH_Crypto_ErrCode#CRYPTO_SUCCESS} 0 - If the operation is successful.
* {@link OH_Crypto_ErrCode#CRYPTO_INVALID_PARAMS} 401 - If parameter is invalid.
* {@link OH_Crypto_ErrCode#CRYPTO_NOT_SUPPORTED} 801 - If the operation is not supported.
* {@link OH_Crypto_ErrCode#CRYPTO_MEMORY_ERROR} 17620001 - If memory operation failed.
* {@link OH_Crypto_ErrCode#CRYPTO_OPERTION_ERROR} 17630001 - If crypto opertion failed.
* @since 12
*/
void OH_DigestCrypto_Destroy(OH_CryptoDigest *ctx);
#ifdef __cplusplus
}
#endif
/** @} */
#endif /* CRYPTO_DIGEST_H */