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/**
* \file ripemd160.h
*
* \brief RIPE MD-160 message digest
*/
/*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
*/
#ifndef MBEDTLS_RIPEMD160_H
#define MBEDTLS_RIPEMD160_H
#include "mbedtls/private_access.h"
#include "mbedtls/build_info.h"
#include <stddef.h>
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#if !defined(MBEDTLS_RIPEMD160_ALT)
// Regular implementation
//
/**
* \brief RIPEMD-160 context structure
*/
typedef struct mbedtls_ripemd160_context {
uint32_t MBEDTLS_PRIVATE(total)[2]; /*!< number of bytes processed */
uint32_t MBEDTLS_PRIVATE(state)[5]; /*!< intermediate digest state */
unsigned char MBEDTLS_PRIVATE(buffer)[64]; /*!< data block being processed */
}
mbedtls_ripemd160_context;
#else /* MBEDTLS_RIPEMD160_ALT */
#include "ripemd160_alt.h"
#endif /* MBEDTLS_RIPEMD160_ALT */
/**
* \brief Initialize RIPEMD-160 context
*
* \param ctx RIPEMD-160 context to be initialized
*/
void mbedtls_ripemd160_init(mbedtls_ripemd160_context *ctx);
/**
* \brief Clear RIPEMD-160 context
*
* \param ctx RIPEMD-160 context to be cleared
*/
void mbedtls_ripemd160_free(mbedtls_ripemd160_context *ctx);
/**
* \brief Clone (the state of) a RIPEMD-160 context
*
* \param dst The destination context
* \param src The context to be cloned
*/
void mbedtls_ripemd160_clone(mbedtls_ripemd160_context *dst,
const mbedtls_ripemd160_context *src);
/**
* \brief RIPEMD-160 context setup
*
* \param ctx context to be initialized
*
* \return 0 if successful
*/
int mbedtls_ripemd160_starts(mbedtls_ripemd160_context *ctx);
/**
* \brief RIPEMD-160 process buffer
*
* \param ctx RIPEMD-160 context
* \param input buffer holding the data
* \param ilen length of the input data
*
* \return 0 if successful
*/
int mbedtls_ripemd160_update(mbedtls_ripemd160_context *ctx,
const unsigned char *input,
size_t ilen);
/**
* \brief RIPEMD-160 final digest
*
* \param ctx RIPEMD-160 context
* \param output RIPEMD-160 checksum result
*
* \return 0 if successful
*/
int mbedtls_ripemd160_finish(mbedtls_ripemd160_context *ctx,
unsigned char output[20]);
/**
* \brief RIPEMD-160 process data block (internal use only)
*
* \param ctx RIPEMD-160 context
* \param data buffer holding one block of data
*
* \return 0 if successful
*/
int mbedtls_internal_ripemd160_process(mbedtls_ripemd160_context *ctx,
const unsigned char data[64]);
/**
* \brief Output = RIPEMD-160( input buffer )
*
* \param input buffer holding the data
* \param ilen length of the input data
* \param output RIPEMD-160 checksum result
*
* \return 0 if successful
*/
int mbedtls_ripemd160(const unsigned char *input,
size_t ilen,
unsigned char output[20]);
#if defined(MBEDTLS_SELF_TEST)
/**
* \brief Checkup routine
*
* \return 0 if successful, or 1 if the test failed
*/
int mbedtls_ripemd160_self_test(int verbose);
#endif /* MBEDTLS_SELF_TEST */
#ifdef __cplusplus
}
#endif
#endif /* mbedtls_ripemd160.h */
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