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