1 files changed, 80 insertions, 0 deletions
diff --git a/lib/nettle/gost/kuznyechik.h b/lib/nettle/gost/kuznyechik.h
new file mode 100644
index 0000000..5799284
--- /dev/null
+++ b/lib/nettle/gost/kuznyechik.h
@@ -0,0 +1,80 @@
+/* kuznyechik.h
+
+   The GOST R 34.12-2015 (Kuznyechik) cipher function.
+
+   Copyright (C) 2017 Dmitry Eremin-Solenikov
+
+   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 GNUTLS_LIB_NETTLE_KUZNYECHIK_H_INCLUDED
+#define GNUTLS_LIB_NETTLE_KUZNYECHIK_H_INCLUDED
+
+#include <nettle/nettle-types.h>
+
+#include "config.h"
+
+#ifndef HAVE_NETTLE_KUZNYECHIK_SET_KEY
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define kuznyechik_set_key _gnutls_kuznyechik_set_key
+#define kuznyechik_set_param _gnutls_kuznyechik_set_param
+#define kuznyechik_encrypt _gnutls_kuznyechik_encrypt
+#define kuznyechik_decrypt _gnutls_kuznyechik_decrypt
+
+#define KUZNYECHIK_KEY_SIZE 32
+#define KUZNYECHIK_SUBKEYS_SIZE (16 * 10)
+#define KUZNYECHIK_BLOCK_SIZE 16
+
+struct kuznyechik_ctx
+{
+  uint8_t key[KUZNYECHIK_SUBKEYS_SIZE];
+  uint8_t dekey[KUZNYECHIK_SUBKEYS_SIZE];
+};
+
+void
+kuznyechik_set_key(struct kuznyechik_ctx *ctx, const uint8_t *key);
+
+void
+kuznyechik_encrypt(const struct kuznyechik_ctx *ctx,
+		   size_t length, uint8_t *dst,
+		   const uint8_t *src);
+void
+kuznyechik_decrypt(const struct kuznyechik_ctx *ctx,
+		   size_t length, uint8_t *dst,
+		   const uint8_t *src);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif /* GNUTLS_LIB_NETTLE_KUZNYECHIK_H_INCLUDED */