Added gosthash, ported from rhash by Nikos Mavrogiannopoulos.

1 files changed, 88 insertions, 0 deletions

diff --git a/gosthash94.h b/gosthash94.h
new file mode 100644
index 00000000..bdbe1cd6
--- /dev/null
+++ b/gosthash94.h
@@ -0,0 +1,88 @@
+/* gosthash94.h
+ *
+ * The GOST R 34.11-94 hash function, described in RFC 5831.
+ */
+
+/* nettle, low-level cryptographics library
+ *
+ * Copyright (C) 2012 Nikos Mavrogiannopoulos, Niels Möller
+ *  
+ * The nettle library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or (at your
+ * option) any later version.
+ * 
+ * The nettle library 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 Lesser General Public
+ * License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with the nettle library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02111-1301, USA.
+ */
+
+/* Interface based on rhash gost.h. */
+
+/* Copyright: 2009-2012 Aleksey Kravchenko <rhash.admin@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/*
+ * Ported to nettle by Nikos Mavrogiannopoulos.
+ */
+
+#ifndef NETTLE_GOST_H_INCLUDED
+#define NETTLE_GOST_H_INCLUDED
+
+#include "nettle-types.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define gosthash94_init nettle_gosthash94_init
+#define gosthash94_update nettle_gosthash94_update
+#define gosthash94_digest nettle_gosthash94_digest
+
+#define GOSTHASH94_DATA_SIZE 32
+#define GOSTHASH94_DIGEST_SIZE 32
+
+struct gosthash94_ctx
+{
+  uint32_t hash[8]; /* algorithm 256-bit state */
+  uint32_t sum[8];  /* sum of processed message blocks */
+  uint8_t message[GOSTHASH94_DATA_SIZE]; /* 256-bit buffer for leftovers */
+  uint64_t length;  /* number of processed bytes */
+};
+
+void gosthash94_init(struct gosthash94_ctx *ctx);
+void gosthash94_update(struct gosthash94_ctx *ctx,
+		       unsigned length, const uint8_t *msg);
+void gosthash94_digest(struct gosthash94_ctx *ctx,
+		       unsigned length, uint8_t *result);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* NETTLE_GOST_H_INCLUDED */