esp-idf/components/mbedtls/include/port/sha512_alt.h

93 lines
1.9 KiB
C

/*
* copyright (c) 2010 - 2012 Espressif System
*
* esf Link List Descriptor
*/
#ifndef _SHA512_H_
#define _SHA512_H_
#include "c_types.h"
#include "rom/ets_sys.h"
#include "rom/sha.h"
#ifdef __cplusplus
extern "C" {
#endif
#define ESP_SHA512_C
/**
* \brief SHA-512 context structure
*/
typedef struct{
SHA_CTX context;
int context_type;
}sha512_context;
typedef sha512_context SHA512_CTX;
/**
* \brief Initialize SHA-512 context
*
* \param ctx SHA-512 context to be initialized
*/
void sha512_init( SHA512_CTX *ctx );
/**
* \brief Clear SHA-512 context
*
* \param ctx SHA-512 context to be cleared
*/
void sha512_free( SHA512_CTX *ctx );
/**
* \brief Clone (the state of) a SHA-512 context
*
* \param dst The destination context
* \param src The context to be cloned
*/
void sha512_clone( SHA512_CTX *dst, const SHA512_CTX *src );
/**
* \brief SHA-512 context setup
*
* \param ctx context to be initialized
* \param is384 0 = use SHA512, 1 = use SHA384
*/
void sha512_starts( SHA512_CTX *ctx, int is384 );
/**
* \brief SHA-512 process buffer
*
* \param ctx SHA-512 context
* \param input buffer holding the data
* \param ilen length of the input data
*/
void sha512_update( SHA512_CTX *ctx, const unsigned char *input, size_t ilen );
/**
* \brief SHA-512 final digest
*
* \param ctx SHA-512 context
* \param output SHA-384/512 checksum result
*/
void sha512_finish( SHA512_CTX *ctx, unsigned char output[64] );
/**
* \brief Output = SHA-512( input buffer )
*
* \param input buffer holding the data
* \param ilen length of the input data
* \param output SHA-384/512 checksum result
* \param is384 0 = use SHA512, 1 = use SHA384
*/
void sha512_output( const unsigned char *input, size_t ilen, unsigned char output[64], int is384 );
#ifdef __cplusplus
}
#endif
#endif /* sha512.h */