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71 lines
2.6 KiB
C
71 lines
2.6 KiB
C
#ifndef MBEDTLS_SHA1_H_
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#define MBEDTLS_SHA1_H_
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#include "third_party/mbedtls/config.h"
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#include "third_party/mbedtls/platform.h"
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COSMOPOLITAN_C_START_
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/* clang-format off */
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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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/**
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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 state[5]; /*!< The intermediate digest state. */
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uint32_t total[2]; /*!< The number of Bytes processed. */
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uint8_t buffer[64]; /*!< The data block being processed. */
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}
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mbedtls_sha1_context;
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void mbedtls_sha1_clone( mbedtls_sha1_context *, const mbedtls_sha1_context * );
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int mbedtls_sha1_starts_ret( mbedtls_sha1_context * );
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int mbedtls_sha1_update_ret( mbedtls_sha1_context *, const unsigned char *, size_t );
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int mbedtls_sha1_finish_ret( mbedtls_sha1_context *, unsigned char[20] );
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int mbedtls_internal_sha1_process( mbedtls_sha1_context *, const unsigned char[64] );
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int mbedtls_sha1_ret( const void *, size_t, unsigned char[20] );
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int mbedtls_sha1_self_test( int );
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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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static inline void mbedtls_sha1_init( mbedtls_sha1_context *ctx )
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{
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mbedtls_platform_zeroize( ctx, sizeof( mbedtls_sha1_context ) );
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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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* \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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static inline void mbedtls_sha1_free( mbedtls_sha1_context *ctx )
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{
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if( !ctx ) return;
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mbedtls_platform_zeroize( ctx, sizeof( mbedtls_sha1_context ) );
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}
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COSMOPOLITAN_C_END_
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#endif /* MBEDTLS_SHA1_H_ */
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