mirror of
https://github.com/yuzu-emu/mbedtls.git
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c49fbbf3eb
To help the build system find the correct include files, paths starting
with "mbedtls/" or "psa/" must be used. Otherwise, you can run into
build failures like the following when building Mbed Crypto as a
submodule.
In file included from chachapoly.c:31:0:
../../include/mbedtls/chachapoly.h:43:10: fatal error: poly1305.h: No such file or directory
#include "poly1305.h"
^~~~~~~~~~~~
compilation terminated.
Includes for ALT implementations are not modified, as the alt headers
are provided by system integrators and not Mbed TLS or Mbed Crypto.
353 lines
13 KiB
C
353 lines
13 KiB
C
/**
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* \file sha1.h
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*
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* \brief This file contains SHA-1 definitions and functions.
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*
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* The Secure Hash Algorithm 1 (SHA-1) cryptographic hash function is defined in
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* <em>FIPS 180-4: Secure Hash Standard (SHS)</em>.
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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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#if !defined(MBEDTLS_CONFIG_FILE)
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#include "mbedtls/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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/* MBEDTLS_ERR_SHA1_HW_ACCEL_FAILED is deprecated and should not be used. */
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#define MBEDTLS_ERR_SHA1_HW_ACCEL_FAILED -0x0035 /**< SHA-1 hardware accelerator failed */
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#define MBEDTLS_ERR_SHA1_BAD_INPUT_DATA -0x0073 /**< SHA-1 input data was malformed. */
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#ifdef __cplusplus
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extern "C" {
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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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/**
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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 mbedtls_sha1_context
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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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#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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* \brief This function initializes a SHA-1 context.
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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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* \param ctx The SHA-1 context to initialize.
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* This must not be \c NULL.
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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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* \brief This function clears a SHA-1 context.
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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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* \param ctx The SHA-1 context to clear. This may be \c NULL,
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* in which case this function does nothing. If it is
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* not \c NULL, it must point to an initialized
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* SHA-1 context.
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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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* \brief This function clones the state of a SHA-1 context.
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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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* \param dst The SHA-1 context to clone to. This must be initialized.
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* \param src The SHA-1 context to clone from. This must be initialized.
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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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* \brief This function starts a SHA-1 checksum calculation.
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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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* \param ctx The SHA-1 context to initialize. This must be initialized.
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*
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* \return \c 0 on success.
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* \return A negative error code on failure.
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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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* \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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* \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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* \param ctx The SHA-1 context. This must be initialized
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* and have a hash operation started.
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* \param input The buffer holding the input data.
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* This must be a readable buffer of length \p ilen Bytes.
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* \param ilen The length of the input data \p input in Bytes.
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*
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* \return \c 0 on success.
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* \return A negative error code on failure.
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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 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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* \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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* \param ctx The SHA-1 context to use. This must be initialized and
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* have a hash operation started.
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* \param output The SHA-1 checksum result. This must be a writable
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* buffer of length \c 20 Bytes.
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*
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* \return \c 0 on success.
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* \return A negative error code on failure.
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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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* \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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* \param ctx The SHA-1 context to use. This must be initialized.
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* \param data The data block being processed. This must be a
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* readable buffer of length \c 64 Bytes.
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*
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* \return \c 0 on success.
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* \return A negative error code on failure.
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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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#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 This function starts a SHA-1 checksum calculation.
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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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* \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 initialize. This must be initialized.
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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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* \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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* \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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* \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. This must be initialized and
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* have a hash operation started.
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* \param input The buffer holding the input data.
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* This must be a readable buffer of length \p ilen Bytes.
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* \param ilen The length of the input data \p input in Bytes.
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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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* \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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* \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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* \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. This must be initialized and
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* have a hash operation started.
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* \param output The SHA-1 checksum result.
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* This must be a writable buffer of length \c 20 Bytes.
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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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* \brief SHA-1 process data block (internal use only).
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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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* \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. This must be initialized.
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* \param data The data block being processed.
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* This must be a readable buffer of length \c 64 bytes.
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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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#undef MBEDTLS_DEPRECATED
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#endif /* !MBEDTLS_DEPRECATED_REMOVED */
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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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* \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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* \param input The buffer holding the input data.
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* This must be a readable buffer of length \p ilen Bytes.
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* \param ilen The length of the input data \p input in Bytes.
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* \param output The SHA-1 checksum result.
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* This must be a writable buffer of length \c 20 Bytes.
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*
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* \return \c 0 on success.
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* \return A negative error code on failure.
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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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#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 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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* \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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* \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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* This must be a readable buffer of length \p ilen Bytes.
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* \param ilen The length of the input data \p input in Bytes.
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* \param output The SHA-1 checksum result. This must be a writable
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* buffer of size \c 20 Bytes.
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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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#undef MBEDTLS_DEPRECATED
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#endif /* !MBEDTLS_DEPRECATED_REMOVED */
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#if defined(MBEDTLS_SELF_TEST)
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/**
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* \brief The SHA-1 checkup routine.
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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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* \return \c 0 on success.
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* \return \c 1 on failure.
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*
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*/
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int mbedtls_sha1_self_test( int verbose );
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#endif /* MBEDTLS_SELF_TEST */
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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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