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+/* Copyright (C) 2020 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+
+ 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 3 of the License, or
+ (at your option) any later version.
+
+ 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.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+/*!
+ * \file
+ *
+ * \addtogroup crypto
+ *
+ * \brief Cryptographic backend initialization.
+ *
+ * For most cryptographic operations, the library requires global
+ * initialization. Also, if the application creates a subprocess, the
+ * library has to be reinitialized in the child process after \c fork().
+ *
+ * @{
+ */
+
+#pragma once
+
+/*!
+ * Initialize cryptographic backend.
+ */
+void dnssec_crypto_init(void);
+
+/*!
+ * Reinitialize cryptographic backend.
+ *
+ * Must be called after fork() by the child.
+ */
+void dnssec_crypto_reinit(void);
+
+/*!
+ * Deinitialize cryptographic backend.
+ *
+ * Should be called when terminating the application.
+ */
+void dnssec_crypto_cleanup(void);
+
+/*! @} */