1 files changed, 74 insertions, 0 deletions
diff --git a/src/libdnssec/shared/pem.h b/src/libdnssec/shared/pem.h
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+++ b/src/libdnssec/shared/pem.h
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+/*  Copyright (C) 2018 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 <http://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+
+#include <gnutls/gnutls.h>
+
+#include "libdnssec/binary.h"
+
+/*!
+ * Create GnuTLS X.509 private key from unencrypted PEM data.
+ *
+ * \param[in]  pem  PEM binary data.
+ * \param[out] key  Resulting private key.
+ *
+ * \return Error code, DNSSEC_EOK if successful.
+ */
+int pem_x509(const dnssec_binary_t *pem, gnutls_x509_privkey_t *key);
+
+/*!
+ * Create GnuTLS private key from unencrypted PEM data.
+ *
+ * \param[in]  pem  PEM binary data.
+ * \param[out] key  Resulting private key.
+ *
+ * \return Error code, DNSSEC_EOK if successful.
+ */
+int pem_privkey(const dnssec_binary_t *pem, gnutls_privkey_t *key);
+
+/*!
+ * Generate a private key and export it in the PEM format.
+ *
+ * \param[in]  algorithm  Algorithm to be used.
+ * \param[in]  bits       Size of the key to be generated.
+ * \param[out] pem        Generated key in unencrypted PEM format.
+ * \param[out] id         Key ID of the generated key.
+ *
+ * \return Error code, DNSSEC_EOK if successful.
+ */
+int pem_generate(gnutls_pk_algorithm_t algorithm, unsigned bits,
+		 dnssec_binary_t *pem, char **id);
+
+/*!
+ * Export GnuTLS X.509 private key to PEM binary.
+ *
+ * \param[in]  key  Key to be exported.
+ * \param[out] pem  Generated key in unencrypted PEM format.
+ *
+ * \return Error code, DNSSEC_EOK if successful.
+ */
+int pem_from_x509(gnutls_x509_privkey_t key, dnssec_binary_t *pem);
+
+/*!
+ * Get key ID of a private key in PEM format.
+ *
+ * \param[in]  pem  Key in unencrypted PEM format.
+ * \param[out] id   ID of the key.
+ *
+ * \return Error code, DNSSEC_EOK if successful.
+ */
+int pem_keyid(const dnssec_binary_t *pem, char **id);