[CFRG] [Errata Rejected] RFC7748 (5651)
RFC Errata System <rfc-editor@rfc-editor.org> Tue, 15 December 2020 07:06 UTC
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Subject: [CFRG] [Errata Rejected] RFC7748 (5651)
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The following errata report has been rejected for RFC7748, "Elliptic Curves for Security". -------------------------------------- You may review the report below and at: https://www.rfc-editor.org/errata/eid5651 -------------------------------------- Status: Rejected Type: Technical Reported by: Pierre Laurent <boutoukoat@yahoo.fr> Date Reported: 2019-03-11 Rejected by: Stanislav Smyshlyaev (IRSG) Section: 5 Original Text ------------- z_2 = E * (AA + a24 * E) Corrected Text -------------- z_2 = E * (BB + a24 * E) Notes ----- When BB is used, the point multiplication of the second test vector P = (0x13a415c749d54cfc3e3cc06f10e7db312cae38059d95b7f4d3116878120f21e5, 0x1) by scalar k 0x4dba18799e16a42cd401eae021641bc1f56a7d959126d25a3c67b4d1d4e96648 gives the expected point [k]P = (0x5779ac7a64f7f8e652a19f79685a598bf873b8b45ce4ad7a7d90e87694decb95, 0x1) The implementation based on AA gives the unexpected point [k]P = (0x3884d5c22af664f822cb3dd728b03c9fac1e1d78c772a74f05546566bd7bed9c, 1) --VERIFIER NOTES-- It is proposed to modify the algorithm description for calculation of z_2. However, after checking the original algorithm independently, it was confirmed that the expected numbers are obtained. Therefore, the existing text of RFC does not have any errors here. -------------------------------------- RFC7748 (draft-irtf-cfrg-curves-11) -------------------------------------- Title : Elliptic Curves for Security Publication Date : January 2016 Author(s) : A. Langley, M. Hamburg, S. Turner Category : INFORMATIONAL Source : Crypto Forum Research Group Area : N/A Stream : IRTF Verifying Party : IRSG
- [CFRG] [Errata Rejected] RFC7748 (5651) RFC Errata System