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sha1_alt.h
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sha1_alt.h
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/* mbed Microcontroller Library
* Copyright (c) 2015-2016 Nuvoton
*
* 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.
*/
#ifndef MBEDTLS_SHA1_ALT_H
#define MBEDTLS_SHA1_ALT_H
#include "mbedtls/sha1.h"
#if defined(MBEDTLS_SHA1_ALT)
#include "sha_alt_hw.h"
#include "sha1_alt_sw.h"
#ifdef __cplusplus
extern "C" {
#endif
struct mbedtls_sha1_context_s;
/**
* \brief SHA-1 context structure
*/
typedef struct mbedtls_sha1_context_s {
void *active_ctx;
crypto_sha_context hw_ctx;
mbedtls_sha1_sw_context sw_ctx;
}
mbedtls_sha1_context;
/**
* \brief Initialize SHA-1 context
*
* \param ctx SHA-1 context to be initialized
*/
void mbedtls_sha1_init( mbedtls_sha1_context *ctx );
/**
* \brief Clear SHA-1 context
*
* \param ctx SHA-1 context to be cleared
*/
void mbedtls_sha1_free( mbedtls_sha1_context *ctx );
/**
* \brief Clone (the state of) a SHA-1 context
*
* \param dst The destination context
* \param src The context to be cloned
*/
void mbedtls_sha1_clone( mbedtls_sha1_context *dst,
const mbedtls_sha1_context *src );
/**
* \brief SHA-1 context setup
*
* \param ctx context to be initialized
*/
void mbedtls_sha1_starts( mbedtls_sha1_context *ctx );
/**
* \brief SHA-1 process buffer
*
* \param ctx SHA-1 context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void mbedtls_sha1_update( mbedtls_sha1_context *ctx, const unsigned char *input, size_t ilen );
/**
* \brief SHA-1 final digest
*
* \param ctx SHA-1 context
* \param output SHA-1 checksum result
*/
void mbedtls_sha1_finish( mbedtls_sha1_context *ctx, unsigned char output[20] );
/* Internal use */
void mbedtls_sha1_process( mbedtls_sha1_context *ctx, const unsigned char data[64] );
#ifdef __cplusplus
}
#endif
#endif /* MBEDTLS_SHA1_ALT */
#endif /* sha1_alt.h */