45 lines
883 B
C
45 lines
883 B
C
#ifndef _GPXE_CRYPTO_H
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#define _GPXE_CRYPTO_H
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/** @file
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*
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* Cryptographic API
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*
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*/
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#include <stdint.h>
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/**
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* A message-digest algorithm
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*
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*/
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struct digest_algorithm {
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/** Size of a context for this algorithm */
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size_t context_len;
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/** Size of a message digest for this algorithm */
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size_t digest_len;
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/**
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* Initialise digest algorithm
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*
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* @v context Context for digest operations
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*/
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void ( * init ) ( void *context );
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/**
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* Calculate digest over data buffer
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*
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* @v context Context for digest operations
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* @v data Data buffer
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* @v len Length of data buffer
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*/
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void ( * update ) ( void *context, const void *data, size_t len );
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/**
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* Finish calculating digest
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*
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* @v context Context for digest operations
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* @v digest Buffer for message digest
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*/
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void ( * finish ) ( void *context, void *digest );
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};
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#endif /* _GPXE_CRYPTO_H */
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