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Diffstat (limited to '')
-rw-r--r-- | src/libdnssec/keytag.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/libdnssec/keytag.h b/src/libdnssec/keytag.h new file mode 100644 index 0000000..5a8424e --- /dev/null +++ b/src/libdnssec/keytag.h @@ -0,0 +1,63 @@ +/* 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/>. +*/ +/*! + * \file + * + * \addtogroup keytag + * + * \brief Low-level key tag computation API. + * + * The module provides simple interface for DNSKEY key id computation. + * + * Example: + * + * ~~~~~ {.c} + * + * dnssec_binary_t dnskey_rdata = // ... ; + * + * int result; + * uint16_t keytag = 0; + * + * result = dnssec_keytag(&dnskey_rdata, &keytag); + * if (result != DNSSEC_EOK) { + * return result; + * } + * + * printf("keytag: %s\n", keytag); + * + * ~~~~~ + * + * @{ + */ + +#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); + +/*! + * @} + */ |