forked from xuos/xiuos
				
			
		
			
				
	
	
		
			323 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			323 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
| /**
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|  * \file sha1.h
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|  *
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|  * \brief The SHA-1 cryptographic hash function.
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|  *
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|  * \warning   SHA-1 is considered a weak message digest and its use constitutes
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|  *            a security risk. We recommend considering stronger message
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|  *            digests instead.
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|  */
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| /*
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|  *  Copyright (C) 2006-2018, Arm Limited (or its affiliates), 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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| 
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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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| 
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| #include <stddef.h>
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| #include <stdint.h>
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| 
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| #define MBEDTLS_ERR_SHA1_HW_ACCEL_FAILED                  -0x0035  /**< SHA-1 hardware accelerator failed */
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| 
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| #if !defined(MBEDTLS_SHA1_ALT)
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| // Regular implementation
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| //
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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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| /**
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|  * \brief          The SHA-1 context structure.
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|  *
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|  * \warning        SHA-1 is considered a weak message digest and its use
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|  *                 constitutes a security risk. We recommend considering
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|  *                 stronger message digests instead.
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|  *
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|  */
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| typedef struct
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| {
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|     uint32_t total[2];          /*!< The number of Bytes processed.  */
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|     uint32_t state[5];          /*!< The intermediate digest state.  */
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|     unsigned char buffer[64];   /*!< The data block being processed. */
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| }
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| mbedtls_sha1_context;
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| 
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| /**
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|  * \brief          This function initializes a SHA-1 context.
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|  *
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|  * \param ctx      The SHA-1 context to initialize.
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|  *
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|  * \warning        SHA-1 is considered a weak message digest and its use
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|  *                 constitutes a security risk. We recommend considering
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|  *                 stronger message digests instead.
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|  *
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|  */
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| void mbedtls_sha1_init( mbedtls_sha1_context *ctx );
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| 
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| /**
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|  * \brief          This function clears a SHA-1 context.
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|  *
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|  * \param ctx      The SHA-1 context to clear.
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|  *
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|  * \warning        SHA-1 is considered a weak message digest and its use
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|  *                 constitutes a security risk. We recommend considering
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|  *                 stronger message digests instead.
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|  *
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|  */
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| void mbedtls_sha1_free( mbedtls_sha1_context *ctx );
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| 
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| /**
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|  * \brief          This function clones 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 clone.
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|  *
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|  * \warning        SHA-1 is considered a weak message digest and its use
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|  *                 constitutes a security risk. We recommend considering
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|  *                 stronger message digests instead.
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|  *
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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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| /**
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|  * \brief          This function starts a SHA-1 checksum calculation.
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|  *
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|  * \param ctx      The context to initialize.
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|  *
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|  * \return         \c 0 if successful
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|  *
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|  * \warning        SHA-1 is considered a weak message digest and its use
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|  *                 constitutes a security risk. We recommend considering
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|  *                 stronger message digests instead.
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|  *
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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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| /**
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|  * \brief          This function feeds an input buffer into an ongoing SHA-1
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|  *                 checksum calculation.
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|  *
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|  * \param ctx      The SHA-1 context.
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|  * \param input    The buffer holding the input data.
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|  * \param ilen     The length of the input data.
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|  *
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|  * \return         \c 0 if successful
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|  *
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|  * \warning        SHA-1 is considered a weak message digest and its use
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|  *                 constitutes a security risk. We recommend considering
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|  *                 stronger message digests instead.
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|  *
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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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| /**
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|  * \brief          This function finishes the SHA-1 operation, and writes
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|  *                 the result to the output buffer.
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|  *
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|  * \param ctx      The SHA-1 context.
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|  * \param output   The SHA-1 checksum result.
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|  *
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|  * \return         \c 0 if successful
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|  *
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|  * \warning        SHA-1 is considered a weak message digest and its use
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|  *                 constitutes a security risk. We recommend considering
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|  *                 stronger message digests instead.
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|  *
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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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| /**
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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     The data block being processed.
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|  *
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|  * \return         \c 0 if successful
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|  *
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|  * \warning        SHA-1 is considered a weak message digest and its use
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|  *                 constitutes a security risk. We recommend considering
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|  *                 stronger message digests instead.
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|  *
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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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| 
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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      The SHA-1 context to be initialized.
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|  *
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|  * \warning        SHA-1 is considered a weak message digest and its use
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|  *                 constitutes a security risk. We recommend considering
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|  *                 stronger message digests instead.
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|  *
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|  */
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| MBEDTLS_DEPRECATED void mbedtls_sha1_starts( mbedtls_sha1_context *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      The SHA-1 context.
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|  * \param input    The buffer holding the input data.
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|  * \param ilen     The length of the input data.
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|  *
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|  * \warning        SHA-1 is considered a weak message digest and its use
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|  *                 constitutes a security risk. We recommend considering
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|  *                 stronger message digests instead.
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|  *
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|  */
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| MBEDTLS_DEPRECATED void mbedtls_sha1_update( 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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| /**
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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      The SHA-1 context.
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|  * \param output   The SHA-1 checksum result.
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|  *
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|  * \warning        SHA-1 is considered a weak message digest and its use
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|  *                 constitutes a security risk. We recommend considering
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|  *                 stronger message digests instead.
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|  *
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|  */
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| MBEDTLS_DEPRECATED void mbedtls_sha1_finish( mbedtls_sha1_context *ctx,
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|                                              unsigned char output[20] );
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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      The SHA-1 context.
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|  * \param data     The data block being processed.
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|  *
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|  * \warning        SHA-1 is considered a weak message digest and its use
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|  *                 constitutes a security risk. We recommend considering
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|  *                 stronger message digests instead.
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|  *
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|  */
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| MBEDTLS_DEPRECATED void mbedtls_sha1_process( mbedtls_sha1_context *ctx,
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|                                               const unsigned char data[64] );
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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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| #ifdef __cplusplus
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| }
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| #endif
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| 
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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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| 
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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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| /**
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|  * \brief          This function calculates the SHA-1 checksum of a buffer.
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|  *
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|  *                 The function allocates the context, performs the
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|  *                 calculation, and frees the context.
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|  *
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|  *                 The SHA-1 result is calculated as
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|  *                 output = SHA-1(input buffer).
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|  *
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|  * \param input    The buffer holding the input data.
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|  * \param ilen     The length of the input data.
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|  * \param output   The SHA-1 checksum result.
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|  *
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|  * \return         \c 0 if successful
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|  *
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|  * \warning        SHA-1 is considered a weak message digest and its use
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|  *                 constitutes a security risk. We recommend considering
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|  *                 stronger message digests instead.
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|  *
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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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| 
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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    The buffer holding the input data.
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|  * \param ilen     The length of the input data.
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|  * \param output   The SHA-1 checksum result.
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|  *
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|  * \warning        SHA-1 is considered a weak message digest and its use
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|  *                 constitutes a security risk. We recommend considering
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|  *                 stronger message digests instead.
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|  *
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|  */
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| MBEDTLS_DEPRECATED 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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| #undef MBEDTLS_DEPRECATED
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| #endif /* !MBEDTLS_DEPRECATED_REMOVED */
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| 
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| /**
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|  * \brief          The SHA-1 checkup routine.
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|  *
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|  * \return         \c 0 on success, or \c 1 on failure.
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|  *
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|  * \warning        SHA-1 is considered a weak message digest and its use
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|  *                 constitutes a security risk. We recommend considering
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|  *                 stronger message digests instead.
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|  *
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|  */
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| int mbedtls_sha1_self_test( int verbose );
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| 
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| #ifdef __cplusplus
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| }
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| #endif
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| 
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| #endif /* mbedtls_sha1.h */
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