[openpgp] trailer length field for new-form signatures
Daniel Kahn Gillmor <dkg@fifthhorseman.net> Sun, 05 February 2023 17:23 UTC
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From: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
To: openpgp@ietf.org
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Date: Sun, 05 Feb 2023 12:15:46 -0500
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Subject: [openpgp] trailer length field for new-form signatures
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v5 (maybe "v6") signatures have an 8-octet trailing length field. This risks aliasing with v3 or v4 signatures over subtly different data in some cases (see https://gitlab.com/openpgp-wg/rfc4880bis/-/issues/130) Should hashed data for v5 signatures revert to a 4-octet length field? An MR that answers "yes" to the above: https://gitlab.com/openpgp-wg/rfc4880bis/-/merge_requests/220 Please discuss this on this thread. --dkg
- [openpgp] trailer length field for new-form signa… Daniel Kahn Gillmor
- Re: [openpgp] trailer length field for new-form s… Daniel Kahn Gillmor