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sm,dirmngr: Restrict allowed parameters used with rsaPSS.

Description

sm,dirmngr: Restrict allowed parameters used with rsaPSS.

* sm/certcheck.c (extract_pss_params): Check the used PSS params.
* dirmngr/crlcache.c (finish_sig_check): Ditto.
* dirmngr/validate.c (check_cert_sig): Ditto.

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See
https://www.metzdowd.com/pipermail/cryptography/2019-November/035449.html

  • GnuPG-bug-id: T4538
  • Signed-off-by: Werner Koch <wk@gnupg.org>

Details

Provenance
wernerAuthored on Apr 15 2020, 11:05 AM
Parents
rG24d563749f50: sm: Support rsaPSS verification also for CMS signatures.
Branches
Unknown
Tags
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Tasks
T4538: Support PSS signed CRLs