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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);
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