First implementation of poly1305.

1 files changed, 55 insertions, 0 deletions

diff --git a/poly1305-aes.c b/poly1305-aes.c
new file mode 100644
index 00000000..d3846a4f
--- /dev/null
+++ b/poly1305-aes.c
@@ -0,0 +1,55 @@
+/* nettle, low-level cryptographics library
+ *
+ * Copyright (C) 2013 Nikos Mavrogiannopoulos
+ *
+ * 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.
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+#include "macros.h"
+#include "nettle-types.h"
+#include "poly1305-aes.h"
+
+void
+poly1305_aes_set_key (struct poly1305_aes_ctx *ctx, const uint8_t * key)
+{
+  POLY1305_SET_KEY(ctx, aes_set_encrypt_key, key);
+}
+
+void
+poly1305_aes_set_nonce (struct poly1305_aes_ctx *ctx,
+			const uint8_t * nonce)
+{
+  POLY1305_SET_NONCE(ctx, nonce);
+}
+
+void
+poly1305_aes_update (struct poly1305_aes_ctx *ctx,
+		     size_t length, const uint8_t * data)
+{
+  POLY1305_UPDATE(ctx, length, data);
+}
+
+void
+poly1305_aes_digest (struct poly1305_aes_ctx *ctx,
+		     size_t length, uint8_t * digest)
+{
+  POLY1305_DIGEST(ctx, aes_encrypt, length, digest);
+}