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diff --git a/src/libstrongswan/plugins/botan/botan_ec_public_key.h b/src/libstrongswan/plugins/botan/botan_ec_public_key.h
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+++ b/src/libstrongswan/plugins/botan/botan_ec_public_key.h
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+/*
+ * Copyright (C) 2018 René Korthaus
+ * Copyright (C) 2018 Konstantinos Kolelis
+ * 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.
+ */
+
+#ifndef BOTAN_EC_PUBLIC_KEY_H_
+#define BOTAN_EC_PUBLIC_KEY_H_
+
+#include <botan/ffi.h>
+
+#include <credentials/builder.h>
+#include <credentials/keys/public_key.h>
+
+typedef struct botan_ec_public_key_t botan_ec_public_key_t;
+
+/**
+ * public_key_t implementation of ECDSA using botan.
+ */
+struct botan_ec_public_key_t {
+
+	/**
+	 * Implements the public_key_t interface
+	 */
+	public_key_t key;
+};
+
+/**
+ * Load a ECDSA public key by adopting a botan_pubkey_t object.
+ *
+ * @param key		public key object (adopted)
+ * @return			loaded key, NULL on failure
+ */
+botan_ec_public_key_t *botan_ec_public_key_adopt(botan_pubkey_t key);
+
+#endif /** BOTAN_EC_PUBLIC_KEY_H_ @}*/