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rpki-client 8.2 released

Updated: Mar 17, 2023

rpki-client 8.2 has just been released and will be available in the rpki-client directory of any OpenBSD mirror soon.


rpki-client is a FREE, easy-to-use implementation of the Resource Public Key Infrastructure (RPKI) for Relying Parties (RP) 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:

  • Add a new -H command line option to create a shortlist of repositories to synchronize to. For example, when invoking rpki-client -H rpki.ripe.net -H chloe.sobornost.net, the utility will not connect to any other hosts other than the two specified through the -H option.

  • Add support for validating Geofeed (RFC 9092) authenticators. To see an example download https://sobornost.net/geofeed.csv and run rpki-client -f geofeed.csv

  • Add support for validating Trust Anchor Key (TAK) objects. TAK objects can be used to produce new Trust Anchor Locators (TALs) signed by and verified against the previous Trust Anchor. See draft-ietf-sidrops-signed-tal for the full specification.

  • Log lines related to RRDP/HTTPS connection problems now include the IP address of the problematic endpoint (in brackets).

  • Improve the error message when an invalid filename is encountered in the rpkiManifest field in the Subject Access Information (SIA) extension.

  • Emit a warning when unexpected X.509 extensions are encountered.

  • Restrict the ROA ipAddrBlocks field to only allow two ROAIPAddressFamily structures (one per address family). See draft-ietf-sidrops-rfc6482bis.

  • Check the absence of the Path Length constraint in the Basic Constraints extension.

  • Restrict the SIA extension to only allow the signedObject and rpkiNotify accessMethods.

  • Check that the Signed Object access method is present in ROA, MFT, ASPA, TAK, and GBR End-Entity certificates.

  • In addition to the rsync:// scheme, also permit other schemes (such as https://) in the SIA signedObject access method.

  • Check that the KeyUsage extension is set to nothing but digitalSignature on End-Entity certificates.

  • Chect that the KeyUsage extension is set to nothing but keyCertSign and CRLSign on CA certificates.

  • Check that the ExtendedKeyUsage extension is absent on CA certificates.

  • Fix a bug in the handling of the port of http_proxy.

  • The -r command line option has been deprecated.

  • Filemode -f output is now presented as a text based table.

rpki-client works on all operating systems with a libcrypto library based on OpenSSL 1.1 or LibreSSL 3.5, and a libtls library compatible with LibreSSL 3.5 or later.


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.


We welcome feedback and improvements from the broader community. Thanks to all of the contributors who helped make this release possible.

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