New struct nettle_armor for base64url.

1 files changed, 63 insertions, 0 deletions

diff --git a/base64url-meta.c b/base64url-meta.c
new file mode 100644
index 00000000..af4afc95
--- /dev/null
+++ b/base64url-meta.c
@@ -0,0 +1,63 @@
+/* base64url-meta.c
+
+   Copyright (C) 2015 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/.
+*/
+
+#if HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include "nettle-meta.h"
+
+#include "base64.h"
+
+/* Same as the macros with the same name */
+static nettle_armor_length_func base64url_encode_length;
+static size_t
+base64url_encode_length(size_t length)
+{
+  return BASE64_ENCODE_LENGTH(length);
+}
+
+static nettle_armor_length_func base64url_decode_length;
+static size_t
+base64url_decode_length(size_t length)
+{
+  return BASE64_DECODE_LENGTH(length);
+}
+
+#define base64url_encode_ctx base64_encode_ctx
+#define base64url_encode_update base64_encode_update
+#define base64url_encode_final base64_encode_final
+#define base64url_decode_ctx base64_decode_ctx
+#define base64url_decode_update base64_decode_update
+#define base64url_decode_final base64_decode_final
+
+const struct nettle_armor nettle_base64url
+= _NETTLE_ARMOR(base64url, BASE64);