[CFRG] [Editorial Errata Reported] RFC7539 (8274)
RFC Errata System <rfc-editor@rfc-editor.org> Thu, 30 January 2025 13:52 UTC
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Subject: [CFRG] [Editorial Errata Reported] RFC7539 (8274)
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The following errata report has been submitted for RFC7539, "ChaCha20 and Poly1305 for IETF Protocols". -------------------------------------- You may review the report below and at: https://www.rfc-editor.org/errata/eid8274 -------------------------------------- Type: Editorial Reported by: Alina Obst <alina.obst@bsi.bund.de> Section: 2.3.2 Original Text ------------- ChaCha state with the key setup. 61707865 3320646e 79622d32 6b206574 03020100 07060504 0b0a0908 0f0e0d0c 13121110 17161514 1b1a1918 1f1e1d1c 00000001 09000000 4a000000 00000000 Corrected Text -------------- ChaCha state with the key setup. 61707865 3320646e 79622d32 6b206574 03020100 07060504 0b0a0908 0f0e0d0c 13121110 17161514 1b1a1918 1f1e1d1c 01000000 09000000 4a000000 00000000 Notes ----- Section 2.3 says: "A 32-bit block count parameter, treated as a 32-bit little-endian integer". In Section 2.3.2 the initial block counter is set to 1 which is 00000001 in big-endian hex. So I think, the corresponding entry in the state matrix (index 12) should be 01000000. Instructions: ------------- This erratum is currently posted as "Reported". (If it is spam, it will be removed shortly by the RFC Production Center.) Please use "Reply All" to discuss whether it should be verified or rejected. When a decision is reached, the verifying party will log in to change the status and edit the report, if necessary. -------------------------------------- RFC7539 (draft-irtf-cfrg-chacha20-poly1305-10) -------------------------------------- Title : ChaCha20 and Poly1305 for IETF Protocols Publication Date : May 2015 Author(s) : Y. Nir, A. Langley Category : INFORMATIONAL Source : Crypto Forum Research Group Stream : IRTF Verifying Party : IRSG
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