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RFC 8032, "Edwards-Curve Digital Signature Algorithm (EdDSA)", January 2017

Source of RFC: IRTF

Errata ID: 5758
Status: Rejected
Type: Technical
Publication Format(s) : TEXT

Reported By: Franck Rondepierre
Date Reported: 2019-06-21
Rejected by: Stanislav Smyshlyaev
Date Rejected: 2021-10-26

Section 5.1. says:

                          (p+3)/8      3        (p-5)/8
                 x = (u/v)        = u v  (u v^7)         (mod p)

It should say:

                          (p+3)/8          (p-5)/8
                 x = (u/v)        = u (u v)         (mod p)


The original text was correct (verified by Nick Sullivan).

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