2G ems initial

include/nettle/hmac.h

@@ -0,0 +1,210 @@
+/* hmac.h
+
+   HMAC message authentication code (RFC-2104).
+
+   Copyright (C) 2001, 2002 Niels Möller
+
+   This file is part of GNU Nettle.
+
+   GNU Nettle is free software: you can redistribute it and/or
+   modify it under the terms of either:
+
+     * the GNU Lesser General Public License as published by the Free
+       Software Foundation; either version 3 of the License, or (at your
+       option) any later version.
+
+   or
+
+     * the GNU General Public License as published by the Free
+       Software Foundation; either version 2 of the License, or (at your
+       option) any later version.
+
+   or both in parallel, as here.
+
+   GNU Nettle is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received copies of the GNU General Public License and
+   the GNU Lesser General Public License along with this program.  If
+   not, see http://www.gnu.org/licenses/.
+*/
+
+#ifndef NETTLE_HMAC_H_INCLUDED
+#define NETTLE_HMAC_H_INCLUDED
+
+#include "nettle-meta.h"
+
+#include "md5.h"
+#include "ripemd160.h"
+#include "sha1.h"
+#include "sha2.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Namespace mangling */
+#define hmac_set_key nettle_hmac_set_key
+#define hmac_update nettle_hmac_update
+#define hmac_digest nettle_hmac_digest
+#define hmac_md5_set_key nettle_hmac_md5_set_key
+#define hmac_md5_update nettle_hmac_md5_update
+#define hmac_md5_digest nettle_hmac_md5_digest
+#define hmac_ripemd160_set_key nettle_hmac_ripemd160_set_key
+#define hmac_ripemd160_update nettle_hmac_ripemd160_update
+#define hmac_ripemd160_digest nettle_hmac_ripemd160_digest
+#define hmac_sha1_set_key nettle_hmac_sha1_set_key
+#define hmac_sha1_update nettle_hmac_sha1_update
+#define hmac_sha1_digest nettle_hmac_sha1_digest
+#define hmac_sha224_set_key nettle_hmac_sha224_set_key
+#define hmac_sha224_digest nettle_hmac_sha224_digest
+#define hmac_sha256_set_key nettle_hmac_sha256_set_key
+#define hmac_sha256_update nettle_hmac_sha256_update
+#define hmac_sha256_digest nettle_hmac_sha256_digest
+#define hmac_sha384_set_key nettle_hmac_sha384_set_key
+#define hmac_sha384_digest nettle_hmac_sha384_digest
+#define hmac_sha512_set_key nettle_hmac_sha512_set_key
+#define hmac_sha512_update nettle_hmac_sha512_update
+#define hmac_sha512_digest nettle_hmac_sha512_digest
+
+void
+hmac_set_key(void *outer, void *inner, void *state,
+	     const struct nettle_hash *hash,
+	     size_t length, const uint8_t *key);
+
+/* This function is not strictly needed, it's s just the same as the
+ * hash update function. */
+void
+hmac_update(void *state,
+	    const struct nettle_hash *hash,
+	    size_t length, const uint8_t *data);
+
+void
+hmac_digest(const void *outer, const void *inner, void *state,
+	    const struct nettle_hash *hash,
+	    size_t length, uint8_t *digest);
+
+
+#define HMAC_CTX(type) \
+{ type outer; type inner; type state; }
+
+#define HMAC_SET_KEY(ctx, hash, length, key)			\
+  hmac_set_key( &(ctx)->outer, &(ctx)->inner, &(ctx)->state,	\
+                (hash), (length), (key) )
+
+#define HMAC_DIGEST(ctx, hash, length, digest)			\
+  hmac_digest( &(ctx)->outer, &(ctx)->inner, &(ctx)->state,	\
+               (hash), (length), (digest) )
+
+/* HMAC using specific hash functions */
+
+/* hmac-md5 */
+struct hmac_md5_ctx HMAC_CTX(struct md5_ctx);
+
+void
+hmac_md5_set_key(struct hmac_md5_ctx *ctx,
+		 size_t key_length, const uint8_t *key);
+
+void
+hmac_md5_update(struct hmac_md5_ctx *ctx,
+		size_t length, const uint8_t *data);
+
+void
+hmac_md5_digest(struct hmac_md5_ctx *ctx,
+		size_t length, uint8_t *digest);
+
+
+/* hmac-ripemd160 */
+struct hmac_ripemd160_ctx HMAC_CTX(struct ripemd160_ctx);
+
+void
+hmac_ripemd160_set_key(struct hmac_ripemd160_ctx *ctx,
+		       size_t key_length, const uint8_t *key);
+
+void
+hmac_ripemd160_update(struct hmac_ripemd160_ctx *ctx,
+		      size_t length, const uint8_t *data);
+
+void
+hmac_ripemd160_digest(struct hmac_ripemd160_ctx *ctx,
+		      size_t length, uint8_t *digest);
+
+
+/* hmac-sha1 */
+struct hmac_sha1_ctx HMAC_CTX(struct sha1_ctx);
+
+void
+hmac_sha1_set_key(struct hmac_sha1_ctx *ctx,
+		  size_t key_length, const uint8_t *key);
+
+void
+hmac_sha1_update(struct hmac_sha1_ctx *ctx,
+		 size_t length, const uint8_t *data);
+
+void
+hmac_sha1_digest(struct hmac_sha1_ctx *ctx,
+		 size_t length, uint8_t *digest);
+
+/* hmac-sha256 */
+struct hmac_sha256_ctx HMAC_CTX(struct sha256_ctx);
+
+void
+hmac_sha256_set_key(struct hmac_sha256_ctx *ctx,
+		    size_t key_length, const uint8_t *key);
+
+void
+hmac_sha256_update(struct hmac_sha256_ctx *ctx,
+		   size_t length, const uint8_t *data);
+
+void
+hmac_sha256_digest(struct hmac_sha256_ctx *ctx,
+		   size_t length, uint8_t *digest);
+
+/* hmac-sha224 */
+#define hmac_sha224_ctx hmac_sha256_ctx
+
+void
+hmac_sha224_set_key(struct hmac_sha224_ctx *ctx,
+		    size_t key_length, const uint8_t *key);
+
+#define hmac_sha224_update nettle_hmac_sha256_update
+
+void
+hmac_sha224_digest(struct hmac_sha224_ctx *ctx,
+		   size_t length, uint8_t *digest);
+
+/* hmac-sha512 */
+struct hmac_sha512_ctx HMAC_CTX(struct sha512_ctx);
+
+void
+hmac_sha512_set_key(struct hmac_sha512_ctx *ctx,
+		    size_t key_length, const uint8_t *key);
+
+void
+hmac_sha512_update(struct hmac_sha512_ctx *ctx,
+		   size_t length, const uint8_t *data);
+
+void
+hmac_sha512_digest(struct hmac_sha512_ctx *ctx,
+		   size_t length, uint8_t *digest);
+
+/* hmac-sha384 */
+#define hmac_sha384_ctx hmac_sha512_ctx
+
+void
+hmac_sha384_set_key(struct hmac_sha512_ctx *ctx,
+		    size_t key_length, const uint8_t *key);
+
+#define hmac_sha384_update nettle_hmac_sha512_update
+
+void
+hmac_sha384_digest(struct hmac_sha512_ctx *ctx,
+		   size_t length, uint8_t *digest);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* NETTLE_HMAC_H_INCLUDED */