From 218314e712fdb44683fcb9f974b6cd071dcc4a32 Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Sun, 29 Jul 2007 03:09:00 +0100 Subject: Added HMAC code from TLS project --- src/include/gpxe/hmac.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) create mode 100644 src/include/gpxe/hmac.h (limited to 'src/include') diff --git a/src/include/gpxe/hmac.h b/src/include/gpxe/hmac.h new file mode 100644 index 000000000..fd34db04a --- /dev/null +++ b/src/include/gpxe/hmac.h @@ -0,0 +1,30 @@ +#ifndef _GPXE_HMAC_H +#define _GPXE_HMAC_H + +/** @file + * + * Keyed-Hashing for Message Authentication + */ + +#include + +/** + * 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 */ -- cgit v1.2.3-55-g7522