mbed-os/features/mbedtls/targets/TARGET_STM/sha1_alt.h

128 lines
3.1 KiB
C

/*
* sha1_alt.h SHA-1 hash
*******************************************************************************
* Copyright (C) 2017, STMicroelectronics
* SPDX-License-Identifier: Apache-2.0
*
* 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
#if defined MBEDTLS_SHA1_ALT
#include "mbedtls/platform.h"
#include "mbedtls/config.h"
#include "cmsis.h"
#include <string.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief SHA-1 context structure
*/
typedef struct
{
unsigned char *sbuf;
unsigned char sbuf_len;
HASH_HandleTypeDef hhash_sha1;
int flag; /* flag to manage buffer constraint of crypto Hw */
}
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
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Output = SHA-1( input buffer )
*
* \param input buffer holding the data
* \param ilen length of the input data
* \param output SHA-1 checksum result
*/
void mbedtls_sha1( const unsigned char *input, size_t ilen, unsigned char output[20] );
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int mbedtls_sha1_self_test( int verbose );
#ifdef __cplusplus
}
#endif
#endif /* MBEDTLS_SHA1_ALT */
#endif /* sha1_alt.h */