1 files changed, 64 insertions, 0 deletions
diff --git a/comm/third_party/libgcrypt/cipher/poly1305-internal.h b/comm/third_party/libgcrypt/cipher/poly1305-internal.h
new file mode 100644
index 0000000000..19cee5f6f3
--- /dev/null
+++ b/comm/third_party/libgcrypt/cipher/poly1305-internal.h
@@ -0,0 +1,64 @@
+/* poly1305-internal.h  -  Poly1305 internals
+ * Copyright (C) 2014 Jussi Kivilinna <jussi.kivilinna@iki.fi>
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt 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.
+ *
+ * Libgcrypt 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 this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef G10_POLY1305_INTERNAL_H
+#define G10_POLY1305_INTERNAL_H
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "types.h"
+#include "g10lib.h"
+#include "cipher.h"
+#include "bufhelp.h"
+
+#define POLY1305_TAGLEN 16
+#define POLY1305_KEYLEN 32
+#define POLY1305_BLOCKSIZE 16
+
+
+typedef struct
+{
+  u32 k[4];
+  u32 r[4];
+  u32 h[5];
+} POLY1305_STATE;
+
+typedef struct poly1305_context_s
+{
+  POLY1305_STATE state;
+  byte buffer[POLY1305_BLOCKSIZE];
+  unsigned int leftover;
+} poly1305_context_t;
+
+
+gcry_err_code_t _gcry_poly1305_init (poly1305_context_t *ctx, const byte *key,
+				     size_t keylen);
+
+void _gcry_poly1305_finish (poly1305_context_t *ctx,
+			     byte mac[POLY1305_TAGLEN]);
+
+void _gcry_poly1305_update (poly1305_context_t *ctx, const byte *buf,
+			     size_t buflen);
+
+unsigned int _gcry_poly1305_update_burn (poly1305_context_t *ctx,
+					 const byte *m, size_t bytes);
+
+#endif /* G10_POLY1305_INTERNAL_H */