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260 lines
6.8 KiB
C
260 lines
6.8 KiB
C
/**
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* \file sha1.h
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*
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* \brief SHA-1 cryptographic hash function
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*/
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/*
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* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* This file is part of mbed TLS (https://tls.mbed.org)
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*/
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#ifndef MBEDTLS_SHA1_H
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#define MBEDTLS_SHA1_H
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#if !defined(MBEDTLS_CONFIG_FILE)
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#include "config.h"
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#else
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#include MBEDTLS_CONFIG_FILE
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#endif
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#include <stddef.h>
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#include <stdint.h>
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#define MBEDTLS_ERR_SHA1_HW_ACCEL_FAILED -0x0035 /**< SHA-1 hardware accelerator failed */
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#if ( defined(__ARMCC_VERSION) || defined(_MSC_VER) ) && \
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!defined(inline) && !defined(__cplusplus)
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#define inline __inline
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#endif
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#if !defined(MBEDTLS_SHA1_ALT)
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// Regular implementation
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//
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \brief SHA-1 context structure
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*/
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typedef struct
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{
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uint32_t total[2]; /*!< number of bytes processed */
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uint32_t state[5]; /*!< intermediate digest state */
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unsigned char buffer[64]; /*!< data block being processed */
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}
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mbedtls_sha1_context;
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/**
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* \brief Initialize SHA-1 context
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*
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* \param ctx SHA-1 context to be initialized
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*/
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void mbedtls_sha1_init( mbedtls_sha1_context *ctx );
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/**
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* \brief Clear SHA-1 context
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*
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* \param ctx SHA-1 context to be cleared
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*/
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void mbedtls_sha1_free( mbedtls_sha1_context *ctx );
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/**
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* \brief Clone (the state of) a SHA-1 context
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*
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* \param dst The destination context
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* \param src The context to be cloned
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*/
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void mbedtls_sha1_clone( mbedtls_sha1_context *dst,
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const mbedtls_sha1_context *src );
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/**
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* \brief SHA-1 context setup
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*
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* \param ctx context to be initialized
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*
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* \return 0 if successful
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*/
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int mbedtls_sha1_starts_ret( mbedtls_sha1_context *ctx );
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/**
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* \brief SHA-1 process buffer
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*
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* \param ctx SHA-1 context
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* \param input buffer holding the data
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* \param ilen length of the input data
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*
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* \return 0 if successful
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*/
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int mbedtls_sha1_update_ret( mbedtls_sha1_context *ctx,
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const unsigned char *input,
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size_t ilen );
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/**
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* \brief SHA-1 final digest
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*
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* \param ctx SHA-1 context
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* \param output SHA-1 checksum result
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*
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* \return 0 if successful
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*/
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int mbedtls_sha1_finish_ret( mbedtls_sha1_context *ctx,
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unsigned char output[20] );
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/**
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* \brief SHA-1 process data block (internal use only)
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*
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* \param ctx SHA-1 context
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* \param data buffer holding one block of data
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*
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* \return 0 if successful
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*/
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int mbedtls_internal_sha1_process( mbedtls_sha1_context *ctx,
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const unsigned char data[64] );
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#if !defined(MBEDTLS_DEPRECATED_REMOVED)
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#if defined(MBEDTLS_DEPRECATED_WARNING)
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#define MBEDTLS_DEPRECATED __attribute__((deprecated))
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#else
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#define MBEDTLS_DEPRECATED
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#endif
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/**
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* \brief SHA-1 context setup
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*
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* \deprecated Superseded by mbedtls_sha1_starts_ret() in 2.7.0
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*
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* \param ctx context to be initialized
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*/
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MBEDTLS_DEPRECATED static inline void mbedtls_sha1_starts(
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mbedtls_sha1_context *ctx )
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{
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mbedtls_sha1_starts_ret( ctx );
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}
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/**
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* \brief SHA-1 process buffer
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*
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* \deprecated Superseded by mbedtls_sha1_update_ret() in 2.7.0
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*
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* \param ctx SHA-1 context
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* \param input buffer holding the data
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* \param ilen length of the input data
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*/
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MBEDTLS_DEPRECATED static inline void mbedtls_sha1_update(
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mbedtls_sha1_context *ctx,
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const unsigned char *input,
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size_t ilen )
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{
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mbedtls_sha1_update_ret( ctx, input, ilen );
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}
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/**
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* \brief SHA-1 final digest
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*
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* \deprecated Superseded by mbedtls_sha1_finish_ret() in 2.7.0
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*
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* \param ctx SHA-1 context
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* \param output SHA-1 checksum result
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*/
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MBEDTLS_DEPRECATED static inline void mbedtls_sha1_finish(
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mbedtls_sha1_context *ctx,
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unsigned char output[20] )
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{
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mbedtls_sha1_finish_ret( ctx, output );
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}
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/**
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* \brief SHA-1 process data block (internal use only)
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*
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* \deprecated Superseded by mbedtls_internal_sha1_process() in 2.7.0
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*
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* \param ctx SHA-1 context
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* \param data buffer holding one block of data
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*/
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MBEDTLS_DEPRECATED static inline void mbedtls_sha1_process(
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mbedtls_sha1_context *ctx,
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const unsigned char data[64] )
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{
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mbedtls_internal_sha1_process( ctx, data );
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}
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#undef MBEDTLS_DEPRECATED
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#endif /* !MBEDTLS_DEPRECATED_REMOVED */
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#ifdef __cplusplus
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}
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#endif
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#else /* MBEDTLS_SHA1_ALT */
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#include "sha1_alt.h"
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#endif /* MBEDTLS_SHA1_ALT */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \brief Output = SHA-1( input buffer )
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*
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* \param input buffer holding the data
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* \param ilen length of the input data
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* \param output SHA-1 checksum result
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*
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* \return 0 if successful
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*/
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int mbedtls_sha1_ret( const unsigned char *input,
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size_t ilen,
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unsigned char output[20] );
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#if !defined(MBEDTLS_DEPRECATED_REMOVED)
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#if defined(MBEDTLS_DEPRECATED_WARNING)
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#define MBEDTLS_DEPRECATED __attribute__((deprecated))
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#else
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#define MBEDTLS_DEPRECATED
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#endif
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/**
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* \brief Output = SHA-1( input buffer )
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*
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* \deprecated Superseded by mbedtls_sha1_ret() in 2.7.0
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*
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* \param input buffer holding the data
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* \param ilen length of the input data
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* \param output SHA-1 checksum result
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*/
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MBEDTLS_DEPRECATED static inline void mbedtls_sha1( const unsigned char *input,
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size_t ilen,
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unsigned char output[20] )
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{
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mbedtls_sha1_ret( input, ilen, output );
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}
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#undef MBEDTLS_DEPRECATED
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#endif /* !MBEDTLS_DEPRECATED_REMOVED */
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/**
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* \brief Checkup routine
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*
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* \return 0 if successful, or 1 if the test failed
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*/
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int mbedtls_sha1_self_test( int verbose );
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#ifdef __cplusplus
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}
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#endif
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#endif /* mbedtls_sha1.h */
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