New upstream version 5.5.1

1 files changed, 49 insertions, 0 deletions

diff --git a/src/libstrongswan/plugins/chapoly/chapoly_xof.h b/src/libstrongswan/plugins/chapoly/chapoly_xof.h
new file mode 100644
index 000000000..cd0586fad
--- /dev/null
+++ b/src/libstrongswan/plugins/chapoly/chapoly_xof.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2016 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program 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.
+ */
+
+/**
+ * @defgroup chapoly_xof chapoly_xof
+ * @{ @ingroup chapoly
+ */
+
+#ifndef CHAPOLY_XOF_H_
+#define CHAPOLY_XOF_H_
+
+#include <crypto/aead.h>
+
+typedef struct chapoly_xof_t chapoly_xof_t;
+
+/**
+ * ChaCha20 XOF implementation
+ *
+ * Based on RFC 7539 ChaCha20 stream initialized with block counter = 1
+ */
+struct chapoly_xof_t {
+
+	/**
+	 * Generic xof_t interface for this Extended Output Function (XOF).
+	 */
+	xof_t xof_interface;
+};
+
+/**
+ * Create a chapoly_xof instance.
+ *
+ * @param algorithm		XOF_CHACHA20
+ * @return				chapoly_xof_t object, NULL if not supported
+ */
+chapoly_xof_t *chapoly_xof_create(ext_out_function_t algorithm);
+
+#endif /** CHAPOLY_XOF_H_ @}*/