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