rpki-client 7.4

• Added support for validating BGPsec Router Public Keys.
• Fix issues with chunked transfer encoding in the RRDP HTTP client.
• Cleanup and improvement of how IO is handled.
• Improvements in the way X509 certificates are verified.
• Make rpki-client more resilient regarding untrusted input:
  • Limit the allowed character set for filename listings on Manifests.
  • Limit the length of SIA URIs.
  • Limit the size of certain untrusted inputs.
  • Don't exit on failures to parse x509 objects.
  • Limit the size of objects retreived via RRDP or RSYNC.
  • Limit the number of FileAndHash entries on a manifest.
  • Constrain RRDP such that the delta/snapshot files must be hosted at the same host as the notification file.