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