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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 keytag
*
* \brief Low-level key tag computation API.
*
* The module provides simple interface for DNSKEY key id computation.
*
* @{
*/
#pragma once
#include <stdint.h>
#include <libdnssec/binary.h>
/*!
* Compute a key tag for a DNSSEC key.
*
* \param[in] rdata DNSKEY RDATA.
* \param[out] keytag Computed keytag.
*
* \return Error code, DNSSEC_EOK of successful.
*/
int dnssec_keytag(const dnssec_binary_t *rdata, uint16_t *keytag);
/*! @} */
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