[openpgp] [Errata Verified] RFC9580 (8454)

RFC Errata System <[email protected]>
Newsgroups gmane.ietf.openpgp
Message-ID <[email protected]>
The following errata report has been verified for RFC9580,
"OpenPGP". 

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You may review the report below and at:
https://www.rfc-editor.org/errata/eid8454

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Status: Verified
Type: Technical

Reported by: Tim Geiser <[email protected]>
Date Reported: 2025-06-07
Verified by: Paul Wouters (IESG)

Section: 5.2.3

Original Text
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One or more MPIs comprising the signature. This portion is
algorithm specific.

Corrected Text
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One or more MPIs comprising the signature, or plain octets with no
MPI header. This portion is algorithm specific.

Notes
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The final bullet point of 5.2.3 is not, strictly speaking, correct. Ed25519 and Ed448 have signatures that are not MPIs but rather "native" octet strings. These algorithms do not have "one or more MPIs" - they have zero MPIs and only the octet string (of length 64 or 114). Prior to the introduction of these algorithms that statement was correct - every other signature algorithm uses MPI(s).

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RFC9580 (draft-ietf-openpgp-crypto-refresh-13)
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Title               : OpenPGP
Publication Date    : July 2024
Author(s)           : P. Wouters, Ed., D. Huigens, J. Winter, Y. Niibe
Category            : PROPOSED STANDARD
Source              : Open Specification for Pretty Good Privacy
Stream              : IETF
Verifying Party     : IESG

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