2G ems initial

include/nettle/md4.h

@@ -0,0 +1,83 @@
+/* md4.h
+
+   The MD4 hash function, described in RFC 1320.
+
+   Copyright (C) 2003 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_MD4_H_INCLUDED
+#define NETTLE_MD4_H_INCLUDED
+
+#include "nettle-types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Name mangling */
+#define md4_init nettle_md4_init
+#define md4_update nettle_md4_update
+#define md4_digest nettle_md4_digest
+
+#define MD4_DIGEST_SIZE 16
+#define MD4_BLOCK_SIZE 64
+/* For backwards compatibility */
+#define MD4_DATA_SIZE MD4_BLOCK_SIZE
+
+/* Digest is kept internally as 4 32-bit words. */
+#define _MD4_DIGEST_LENGTH 4
+
+/* FIXME: Identical to md5_ctx */
+struct md4_ctx
+{
+  uint32_t state[_MD4_DIGEST_LENGTH];
+  uint64_t count;			/* Block count */
+  uint8_t block[MD4_BLOCK_SIZE];	/* Block buffer */
+  unsigned index;			/* Into buffer */
+};
+
+void
+md4_init(struct md4_ctx *ctx);
+
+void
+md4_update(struct md4_ctx *ctx,
+	   size_t length,
+	   const uint8_t *data);
+
+void
+md4_digest(struct md4_ctx *ctx,
+	   size_t length,
+	   uint8_t *digest);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* NETTLE_MD4_H_INCLUDED */