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- /**
- * \file sha1.h
- *
- * \brief The SHA-1 cryptographic hash function.
- *
- * \warning SHA-1 is considered a weak message digest and its use constitutes
- * a security risk. We recommend considering stronger message
- * digests instead.
- */
- /*
- * Copyright (C) 2006-2018, Arm Limited (or its affiliates), All Rights Reserved
- * 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.
- *
- * This file is part of Mbed TLS (https://tls.mbed.org)
- */
- #ifndef MBEDTLS_SHA1_H
- #define MBEDTLS_SHA1_H
- #if !defined(MBEDTLS_CONFIG_FILE)
- #include "config.h"
- #else
- #include MBEDTLS_CONFIG_FILE
- #endif
- #include <stddef.h>
- #include <stdint.h>
- #define MBEDTLS_ERR_SHA1_HW_ACCEL_FAILED -0x0035 /**< SHA-1 hardware accelerator failed */
- #if ( defined(__ARMCC_VERSION) || defined(_MSC_VER) ) && \
- !defined(inline) && !defined(__cplusplus)
- #define inline __inline
- #endif
- #if !defined(MBEDTLS_SHA1_ALT)
- // Regular implementation
- //
- #ifdef __cplusplus
- extern "C" {
- #endif
- /**
- * \brief The SHA-1 context structure.
- *
- * \warning SHA-1 is considered a weak message digest and its use
- * constitutes a security risk. We recommend considering
- * stronger message digests instead.
- *
- */
- typedef struct
- {
- uint32_t total[2]; /*!< The number of Bytes processed. */
- uint32_t state[5]; /*!< The intermediate digest state. */
- unsigned char buffer[64]; /*!< The data block being processed. */
- }
- mbedtls_sha1_context;
- /**
- * \brief This function initializes a SHA-1 context.
- *
- * \param ctx The SHA-1 context to initialize.
- *
- * \warning SHA-1 is considered a weak message digest and its use
- * constitutes a security risk. We recommend considering
- * stronger message digests instead.
- *
- */
- void mbedtls_sha1_init( mbedtls_sha1_context *ctx );
- /**
- * \brief This function clears a SHA-1 context.
- *
- * \param ctx The SHA-1 context to clear.
- *
- * \warning SHA-1 is considered a weak message digest and its use
- * constitutes a security risk. We recommend considering
- * stronger message digests instead.
- *
- */
- void mbedtls_sha1_free( mbedtls_sha1_context *ctx );
- /**
- * \brief This function clones the state of a SHA-1 context.
- *
- * \param dst The destination context.
- * \param src The context to clone.
- *
- * \warning SHA-1 is considered a weak message digest and its use
- * constitutes a security risk. We recommend considering
- * stronger message digests instead.
- *
- */
- void mbedtls_sha1_clone( mbedtls_sha1_context *dst,
- const mbedtls_sha1_context *src );
- /**
- * \brief This function starts a SHA-1 checksum calculation.
- *
- * \param ctx The context to initialize.
- *
- * \return \c 0 if successful
- *
- * \warning SHA-1 is considered a weak message digest and its use
- * constitutes a security risk. We recommend considering
- * stronger message digests instead.
- *
- */
- int mbedtls_sha1_starts_ret( mbedtls_sha1_context *ctx );
- /**
- * \brief This function feeds an input buffer into an ongoing SHA-1
- * checksum calculation.
- *
- * \param ctx The SHA-1 context.
- * \param input The buffer holding the input data.
- * \param ilen The length of the input data.
- *
- * \return \c 0 if successful
- *
- * \warning SHA-1 is considered a weak message digest and its use
- * constitutes a security risk. We recommend considering
- * stronger message digests instead.
- *
- */
- int mbedtls_sha1_update_ret( mbedtls_sha1_context *ctx,
- const unsigned char *input,
- size_t ilen );
- /**
- * \brief This function finishes the SHA-1 operation, and writes
- * the result to the output buffer.
- *
- * \param ctx The SHA-1 context.
- * \param output The SHA-1 checksum result.
- *
- * \return \c 0 if successful
- *
- * \warning SHA-1 is considered a weak message digest and its use
- * constitutes a security risk. We recommend considering
- * stronger message digests instead.
- *
- */
- int mbedtls_sha1_finish_ret( mbedtls_sha1_context *ctx,
- unsigned char output[20] );
- /**
- * \brief SHA-1 process data block (internal use only)
- *
- * \param ctx SHA-1 context
- * \param data The data block being processed.
- *
- * \return \c 0 if successful
- *
- * \warning SHA-1 is considered a weak message digest and its use
- * constitutes a security risk. We recommend considering
- * stronger message digests instead.
- *
- */
- int mbedtls_internal_sha1_process( mbedtls_sha1_context *ctx,
- const unsigned char data[64] );
- #if !defined(MBEDTLS_DEPRECATED_REMOVED)
- #if defined(MBEDTLS_DEPRECATED_WARNING)
- #define MBEDTLS_DEPRECATED __attribute__((deprecated))
- #else
- #define MBEDTLS_DEPRECATED
- #endif
- /**
- * \brief SHA-1 context setup
- *
- * \deprecated Superseded by mbedtls_sha1_starts_ret() in 2.7.0
- *
- * \param ctx The SHA-1 context to be initialized.
- *
- * \warning SHA-1 is considered a weak message digest and its use
- * constitutes a security risk. We recommend considering
- * stronger message digests instead.
- *
- */
- MBEDTLS_DEPRECATED static inline void mbedtls_sha1_starts(
- mbedtls_sha1_context *ctx )
- {
- mbedtls_sha1_starts_ret( ctx );
- }
- /**
- * \brief SHA-1 process buffer
- *
- * \deprecated Superseded by mbedtls_sha1_update_ret() in 2.7.0
- *
- * \param ctx The SHA-1 context.
- * \param input The buffer holding the input data.
- * \param ilen The length of the input data.
- *
- * \warning SHA-1 is considered a weak message digest and its use
- * constitutes a security risk. We recommend considering
- * stronger message digests instead.
- *
- */
- MBEDTLS_DEPRECATED static inline void mbedtls_sha1_update(
- mbedtls_sha1_context *ctx,
- const unsigned char *input,
- size_t ilen )
- {
- mbedtls_sha1_update_ret( ctx, input, ilen );
- }
- /**
- * \brief SHA-1 final digest
- *
- * \deprecated Superseded by mbedtls_sha1_finish_ret() in 2.7.0
- *
- * \param ctx The SHA-1 context.
- * \param output The SHA-1 checksum result.
- *
- * \warning SHA-1 is considered a weak message digest and its use
- * constitutes a security risk. We recommend considering
- * stronger message digests instead.
- *
- */
- MBEDTLS_DEPRECATED static inline void mbedtls_sha1_finish(
- mbedtls_sha1_context *ctx,
- unsigned char output[20] )
- {
- mbedtls_sha1_finish_ret( ctx, output );
- }
- /**
- * \brief SHA-1 process data block (internal use only)
- *
- * \deprecated Superseded by mbedtls_internal_sha1_process() in 2.7.0
- *
- * \param ctx The SHA-1 context.
- * \param data The data block being processed.
- *
- * \warning SHA-1 is considered a weak message digest and its use
- * constitutes a security risk. We recommend considering
- * stronger message digests instead.
- *
- */
- MBEDTLS_DEPRECATED static inline void mbedtls_sha1_process(
- mbedtls_sha1_context *ctx,
- const unsigned char data[64] )
- {
- mbedtls_internal_sha1_process( ctx, data );
- }
- #undef MBEDTLS_DEPRECATED
- #endif /* !MBEDTLS_DEPRECATED_REMOVED */
- #ifdef __cplusplus
- }
- #endif
- #else /* MBEDTLS_SHA1_ALT */
- #include "sha1_alt.h"
- #endif /* MBEDTLS_SHA1_ALT */
- #ifdef __cplusplus
- extern "C" {
- #endif
- /**
- * \brief This function calculates the SHA-1 checksum of a buffer.
- *
- * The function allocates the context, performs the
- * calculation, and frees the context.
- *
- * The SHA-1 result is calculated as
- * output = SHA-1(input buffer).
- *
- * \param input The buffer holding the input data.
- * \param ilen The length of the input data.
- * \param output The SHA-1 checksum result.
- *
- * \return \c 0 if successful
- *
- * \warning SHA-1 is considered a weak message digest and its use
- * constitutes a security risk. We recommend considering
- * stronger message digests instead.
- *
- */
- int mbedtls_sha1_ret( const unsigned char *input,
- size_t ilen,
- unsigned char output[20] );
- #if !defined(MBEDTLS_DEPRECATED_REMOVED)
- #if defined(MBEDTLS_DEPRECATED_WARNING)
- #define MBEDTLS_DEPRECATED __attribute__((deprecated))
- #else
- #define MBEDTLS_DEPRECATED
- #endif
- /**
- * \brief Output = SHA-1( input buffer )
- *
- * \deprecated Superseded by mbedtls_sha1_ret() in 2.7.0
- *
- * \param input The buffer holding the input data.
- * \param ilen The length of the input data.
- * \param output The SHA-1 checksum result.
- *
- * \warning SHA-1 is considered a weak message digest and its use
- * constitutes a security risk. We recommend considering
- * stronger message digests instead.
- *
- */
- MBEDTLS_DEPRECATED static inline void mbedtls_sha1( const unsigned char *input,
- size_t ilen,
- unsigned char output[20] )
- {
- mbedtls_sha1_ret( input, ilen, output );
- }
- #undef MBEDTLS_DEPRECATED
- #endif /* !MBEDTLS_DEPRECATED_REMOVED */
- /**
- * \brief The SHA-1 checkup routine.
- *
- * \return \c 0 on success, or \c 1 on failure.
- *
- * \warning SHA-1 is considered a weak message digest and its use
- * constitutes a security risk. We recommend considering
- * stronger message digests instead.
- *
- */
- int mbedtls_sha1_self_test( int verbose );
- #ifdef __cplusplus
- }
- #endif
- #endif /* mbedtls_sha1.h */
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