13-14 October 2018
Okura Hotel
Europe/Amsterdam timezone

Message Digest for DNS Zones

14 Oct 2018, 13:45
30m
Heian I/II (Okura Hotel)

Heian I/II

Okura Hotel

Ferdinand Bolstraat 333 1072 LH Amsterdam NL
Standard Presentation Public Workshop Joint OARC & CENTR-Tech Public Workshop

Speaker

Duane Wessels (Verisign)

Description

"Message Digest for DNS Zones" is a new Internet Draft describing a protocol and DNS Resource Record used to provide a message digest over DNS zone data. Although DNSSEC signs individual RRsets that can be validated, it is not sufficient in general because zones may also contain unsigned data (delegations and glue). This protocol can verify all data in a zone file.

In this presentation I will explain the motivation for this feature, and describe the algorithm for computing a digest over zone data. I will furthermore discuss some proposals and tradeoffs for supporting incremental zone updates with zone digests. Using an implementation of zone digests I will provide benchmarks for the time required to digest and verify zones of different sizes, with and without incremental updates.

Talk Duration 30 Minutes

Primary author

Duane Wessels (Verisign)

Presentation Materials

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