[svn-upgrade] new version strongswan (4.5.0)

1 files changed, 51 insertions, 0 deletions

diff --git a/src/libstrongswan/plugins/gcm/gcm_aead.h b/src/libstrongswan/plugins/gcm/gcm_aead.h
new file mode 100644
index 000000000..db4be2442
--- /dev/null
+++ b/src/libstrongswan/plugins/gcm/gcm_aead.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2010 Martin Willi
+ * Copyright (C) 2010 revosec AG
+ *
+ * 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 gcm_aead gcm_aead
+ * @{ @ingroup gcm
+ */
+
+#ifndef GCM_AEAD_H_
+#define GCM_AEAD_H_
+
+#include <crypto/aead.h>
+
+typedef struct gcm_aead_t gcm_aead_t;
+
+/**
+ * Galois/Counter Mode (GCM).
+ *
+ * Implements GCM as specified in NIST 800-38D, using AEAD semantics from
+ * RFC 5282, based on RFC4106.
+ */
+struct gcm_aead_t {
+
+	/**
+	 * Implements aead_t interface.
+	 */
+	aead_t aead;
+};
+
+/**
+ * Create a gcm_aead instance.
+ *
+ * @param key_size		key size in bytes
+ * @param algo			algorithm to implement, a gcm mode
+ * @return				aead, NULL if not supported
+ */
+gcm_aead_t *gcm_aead_create(encryption_algorithm_t algo, size_t key_size);
+
+#endif /** GCM_AEAD_H_ @}*/