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rpki-client 9.3 released

Rpki-client 9.3 has just been released and will be available in the rpki-client directory of any OpenBSD mirror soon. It is recommended that all users upgrade to this version for improved reliability. Rpki-client is a FREE, easy-to-use implementation of the Resource Public Key Infrastructure (RPKI) for Relying Parties to facilitate validation of BGP announcements. The program queries the global RPKI repository system and validates untrusted network inputs. The program outputs validated ROA payloads, BGPsec Router keys, and ASPA payloads in configuration formats suitable for OpenBGPD and BIRD, and supports emitting CSV and JSON for consumption by other routing stacks.


See RFC 6480 and RFC 6811 for a description of how RPKI and BGP Prefix Origin Validation help secure the global Internet routing system. Rpki-client was primarily developed by Kristaps Dzonsons, Claudio Jeker, Job Snijders, Theo Buehler, Theo de Raadt and Sebastian Benoit as part of the OpenBSD Project.


This release includes the following changes to the previous release:

  • Avoid a quadratic complexity issue in ibuf_realloc() due to misuse of recallocarray(). Transferring a manifest with a large FileAndHash list across a privsep boundary could cost significant resources.

  • RRDP sessions are periodically reinitialized to snapshot at random intervals. RRDP deltas and snapshots can diverge content-wise over time, leaving stale files in the cache. Reinitialization is triggered at random with increasing probability with increasing snapshot age, at least once every three months. This helps garbage collection.

  • The internal state file format changed. The first run after an upgrade may produce harmless warning messages about invalid last_reset.

  • Signed Prefix List statistics are now only emitted when rpki-client is run with -x. This changes the JSON output: without -x some keys are missing from 'metadata'.

  • The -r command line option formerly enabling RRDP has long been the default and is now removed.

  • The CRL number extension in CRLs is checked to be in the range [0..2^159-1] and otherwise the CRL is considered invalid, see https://datatracker.ietf.org/doc/html/draft-ietf-sidrops-rpki-crl-numbers

Rpki-client works on all operating systems with a libcrypto library based on OpenSSL 1.1 or LibreSSL 3.6, a libtls library compatible with LibreSSL 3.6 or later, expat and zlib. Rpki-client is known to compile and run on at least the following operating systems: Alpine, CentOS, Debian, Fedora, FreeBSD, Red Hat, Rocky, Ubuntu, macOS, and of course OpenBSD!


It is our hope that packagers take interest and help adapt rpki-client-portable to more distributions.

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