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#ifndef _GPXE_HMAC_H
#define _GPXE_HMAC_H
/** @file
*
* Keyed-Hashing for Message Authentication
*/
FILE_LICENCE ( GPL2_OR_LATER );
#include <gpxe/crypto.h>
/**
* Update HMAC
*
* @v digest Digest algorithm to use
* @v digest_ctx Digest context
* @v data Data
* @v len Length of data
*/
static inline void hmac_update ( struct digest_algorithm *digest,
void *digest_ctx, const void *data,
size_t len ) {
digest_update ( digest, digest_ctx, data, len );
}
extern void hmac_init ( struct digest_algorithm *digest, void *digest_ctx,
void *key, size_t *key_len );
extern void hmac_final ( struct digest_algorithm *digest, void *digest_ctx,
void *key, size_t *key_len, void *hmac );
#endif /* _GPXE_HMAC_H */
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