2G ems initial

include/nettle/md2.h

@@ -0,0 +1,79 @@
+/* md2.h
+
+   The MD2 hash function, described in RFC 1319.
+
+   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_MD2_H_INCLUDED
+#define NETTLE_MD2_H_INCLUDED
+
+#include "nettle-types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Name mangling */
+#define md2_init nettle_md2_init
+#define md2_update nettle_md2_update
+#define md2_digest nettle_md2_digest
+
+#define MD2_DIGEST_SIZE 16
+#define MD2_BLOCK_SIZE 16
+/* For backwards compatibility */
+#define MD2_DATA_SIZE MD2_BLOCK_SIZE
+
+struct md2_ctx
+{
+  uint8_t C[MD2_BLOCK_SIZE];
+  uint8_t X[3 * MD2_BLOCK_SIZE];
+  uint8_t block[MD2_BLOCK_SIZE]; /* Block buffer */
+  unsigned index;               /* Into buffer */
+};
+
+void
+md2_init(struct md2_ctx *ctx);
+
+void
+md2_update(struct md2_ctx *ctx,
+	   size_t length,
+	   const uint8_t *data);
+
+void
+md2_digest(struct md2_ctx *ctx,
+	   size_t length,
+	   uint8_t *digest);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* NETTLE_MD2_H_INCLUDED */