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Diffstat (limited to '')
-rw-r--r-- | src/libknot/rrtype/zonemd.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/src/libknot/rrtype/zonemd.h b/src/libknot/rrtype/zonemd.h new file mode 100644 index 0000000..a4d734b --- /dev/null +++ b/src/libknot/rrtype/zonemd.h @@ -0,0 +1,71 @@ +/* Copyright (C) 2021 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 rrtype + * @{ + */ + +#pragma once + +#include "libknot/rdata.h" +#include "libknot/wire.h" + +#define KNOT_ZONEMD_SCHEME_SIMPLE 1 +#define KNOT_ZONEMD_ALGORITHM_SHA384 1 +#define KNOT_ZONEMD_ALGORITHM_SHA512 2 + +static inline +uint32_t knot_zonemd_soa_serial(const knot_rdata_t *rdata) +{ + assert(rdata); + return knot_wire_read_u32(rdata->data); +} + +static inline +uint8_t knot_zonemd_scheme(const knot_rdata_t *rdata) +{ + assert(rdata); + return *(rdata->data + 4); +} + +static inline +uint8_t knot_zonemd_algorithm(const knot_rdata_t *rdata) +{ + assert(rdata); + return *(rdata->data + 5); +} + +static inline +size_t knot_zonemd_digest_size(const knot_rdata_t *rdata) +{ + switch (knot_zonemd_algorithm(rdata)) { + case KNOT_ZONEMD_ALGORITHM_SHA384: return 48; + case KNOT_ZONEMD_ALGORITHM_SHA512: return 64; + default: return 0; + } +} + +static inline +const uint8_t *knot_zonemd_digest(const knot_rdata_t *rdata) +{ + assert(rdata); + return rdata->data + 6; +} + +/*! @} */ |