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Added HMAC code from TLS project

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This commit is contained in:
Michael Brown
2007-07-29 03:09:00 +01:00
parent 43013da9bf
commit 218314e712
2 changed files with 150 additions and 0 deletions
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30
src/include/gpxe/hmac.h Normal file
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#ifndef _GPXE_HMAC_H
#define _GPXE_HMAC_H
/** @file
*
* Keyed-Hashing for Message Authentication
*/
#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 crypto_algorithm *digest,
void *digest_ctx, const void *data,
size_t len ) {
digest_update ( digest, digest_ctx, data, len );
}
extern void hmac_init ( struct crypto_algorithm *digest, void *digest_ctx,
void *key, size_t *key_len );
extern void hmac_final ( struct crypto_algorithm *digest, void *digest_ctx,
void *key, size_t *key_len, void *hmac );
#endif /* _GPXE_HMAC_H */