esp-idf/components/mbedtls/include/port/sha1_alt.h

94 lines
1.8 KiB
C

/*
* copyright (c) 2010 - 2012 Espressif System
*
* esf Link List Descriptor
*/
#ifndef _SHA1_H_
#define _SHA1_H_
#include "c_types.h"
#include "rom/ets_sys.h"
#include "rom/sha.h"
#ifdef __cplusplus
extern "C" {
#endif
#define ESP_SHA1_C
#define SHA1 0
/**
* \brief SHA-1 context structure
*/
typedef struct{
SHA_CTX context;
int context_type;
} sha1_context;
typedef sha1_context SHA1_CTX;
/**
* \brief Initialize SHA-1 context
*
* \param ctx SHA-1 context to be initialized
*/
void sha1_init( SHA1_CTX *ctx );
/**
* \brief Clear SHA-1 context
*
* \param ctx SHA-1 context to be cleared
*/
void sha1_free( SHA1_CTX *ctx );
/**
* \brief Clone (the state of) a SHA-1 context
*
* \param dst The destination context
* \param src The context to be cloned
*/
void sha1_clone( SHA1_CTX *dst, const SHA1_CTX *src );
void sha1_process(SHA1_CTX *ctx, const unsigned char data[64]);
/**
* \brief SHA-1 context setup
*
* \param ctx context to be initialized
*/
void sha1_starts( SHA1_CTX *ctx );
/**
* \brief SHA-1 process buffer
*
* \param ctx SHA-1 context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void sha1_update( SHA1_CTX *ctx, const unsigned char *input, size_t ilen );
/**
* \brief SHA-1 final digest
*
* \param ctx SHA-1 context
* \param output SHA-1 checksum result
*/
void sha1_finish( SHA1_CTX *ctx, unsigned char output[20] );
/**
* \brief Output = SHA-1( input buffer )
*
* \param input buffer holding the data
* \param ilen length of the input data
* \param output SHA-1 checksum result
*/
void sha1_output( const unsigned char *input, size_t ilen, unsigned char output[20] );
#ifdef __cplusplus
}
#endif
#endif