1 files changed, 47 insertions, 0 deletions
diff --git a/src/libstrongswan/plugins/botan/botan_gcm.h b/src/libstrongswan/plugins/botan/botan_gcm.h
new file mode 100644
index 000000000..b2053cb4d
--- /dev/null
+++ b/src/libstrongswan/plugins/botan/botan_gcm.h
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2018 Atanas Filyanov
+ * Rohde & Schwarz Cybersecurity GmbH
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/**
+ * Implements the aead_t interface using Botan in GCM mode.
+ *
+ * @defgroup botan_gcm botan_gcm
+ * @{ @ingroup botan_p
+ */
+
+#ifndef BOTAN_GCM_H_
+#define BOTAN_GCM_H_
+
+#include <crypto/aead.h>
+
+/**
+ * Constructor to create aead_t implementation.
+ *
+ * @param algo			algorithm to implement
+ * @param key_size		key size in bytes
+ * @param salt_size		size of implicit salt length
+ * @return				aead_t object, NULL if not supported
+ */
+aead_t *botan_gcm_create(encryption_algorithm_t algo, size_t key_size,
+						 size_t salt_size);
+
+#endif /** BOTAN_GCM_H_ @}*/