94 lines
1.8 KiB
C
94 lines
1.8 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 _SHA1_H_
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#define _SHA1_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_SHA1_C
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#define SHA1 0
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/**
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* \brief SHA-1 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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} sha1_context;
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typedef sha1_context SHA1_CTX;
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/**
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* \brief Initialize SHA-1 context
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*
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* \param ctx SHA-1 context to be initialized
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*/
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void sha1_init( SHA1_CTX *ctx );
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/**
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* \brief Clear SHA-1 context
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*
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* \param ctx SHA-1 context to be cleared
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*/
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void sha1_free( SHA1_CTX *ctx );
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/**
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* \brief Clone (the state of) a SHA-1 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 sha1_clone( SHA1_CTX *dst, const SHA1_CTX *src );
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void sha1_process(SHA1_CTX *ctx, const unsigned char data[64]);
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/**
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* \brief SHA-1 context setup
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*
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* \param ctx context to be initialized
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*/
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void sha1_starts( SHA1_CTX *ctx );
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/**
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* \brief SHA-1 process buffer
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*
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* \param ctx SHA-1 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 sha1_update( SHA1_CTX *ctx, const unsigned char *input, size_t ilen );
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/**
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* \brief SHA-1 final digest
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*
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* \param ctx SHA-1 context
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* \param output SHA-1 checksum result
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*/
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void sha1_finish( SHA1_CTX *ctx, unsigned char output[20] );
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/**
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* \brief Output = SHA-1( 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-1 checksum result
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*/
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void sha1_output( const unsigned char *input, size_t ilen, unsigned char output[20] );
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#ifdef __cplusplus
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}
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#endif
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#endif
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