The following errata report has been submitted for RFC7515,
"JSON Web Signature (JWS)".

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You may review the report below and at:
https://www.rfc-editor.org/errata/eid7767

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Type: Technical
Reported by: Jeffrey Yasskin <[email protected]>

Section: 6

Original Text
-------------
These Header Parameters MUST
   be integrity protected if the information that they convey is to be
   utilized in a trust decision; however, if the only information used
   in the trust decision is a key, these parameters need not be
   integrity protected, since changing them in a way that causes a
   different key to be used will cause the validation to fail.

Corrected Text
--------------
These Header Parameters MUST
   be integrity protected if the information that they convey is to be
   utilized in a trust decision.

Notes
-----
See the discussion for https://www.rfc-editor.org/errata/eid7719 at 
https://mailarchive.ietf.org/arch/msg/jose/I3_IuEfFSyiHWap7Pyn1BFAb4QM/. The 
deleted text is incorrect for both signature schemes and encryption schemes.

You could consider adding text like "Note that some algorithms allow multiple 
keys to validate or decrypt the same signature or encrypted data." to prevent 
readers from making the same bad assumption as the original RFC authors, but it 
doesn't seem necessary if doing so is contentious. Similarly, it's probably ok 
to simply delete the whole "Original Text" if that seems better to the 
reviewers.

Instructions:
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RFC7515 (draft-ietf-jose-json-web-signature-41)
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Title               : JSON Web Signature (JWS)
Publication Date    : May 2015
Author(s)           : M. Jones, J. Bradley, N. Sakimura
Category            : PROPOSED STANDARD
Source              : Javascript Object Signing and Encryption
Area                : Security
Stream              : IETF
Verifying Party     : IESG

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