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List: cfrg
Subject: [CFRG] [Errata Verified] RFC8439 (5989)
From: RFC Errata System <rfc-editor () rfc-editor ! org>
Date: 2021-04-28 13:48:23
Message-ID: 20210428134823.263BFF40786 () rfc-editor ! org
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The following errata report has been verified for RFC8439,
"ChaCha20 and Poly1305 for IETF Protocols".
--------------------------------------
You may review the report below and at:
https://www.rfc-editor.org/errata/eid5989
--------------------------------------
Status: Verified
Type: Technical
Reported by: Lê Minh Đăng <dmle@amperecomputing.com>
Date Reported: 2020-02-26
Verified by: Stanislav Smyshlyaev (IRSG)
Section: 2.4.1
Original Text
-------------
encrypted_message += block ^ key_stream
...
encrypted_message += (block^key_stream)[0..len(plaintext)%64]
Corrected Text
--------------
encrypted_message |= block ^ key_stream
...
encrypted_message |= (block^key_stream)[0..len(plaintext)%64]
Notes
-----
The encrypted_message is the result of concatenation of blocks.
"|" and "|=" are used for concatenation elsewhere in the document, changing "+=" to \
"|=" will reduce ambiguity.
--------------------------------------
RFC8439 (draft-nir-cfrg-rfc7539bis-04)
--------------------------------------
Title : ChaCha20 and Poly1305 for IETF Protocols
Publication Date : June 2018
Author(s) : Y. Nir, A. Langley
Category : INFORMATIONAL
Source : Crypto Forum Research Group
Area : N/A
Stream : IRTF
Verifying Party : IRSG
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