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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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