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

Source of RFC: IRTF

Errata ID: 8197
Status: Reported
Type: Technical
Publication Format(s) : TEXT

Reported By: Nawras H. Sabbry
Date Reported: 2024-12-03

Section 5.1.4 says:

However, using the formulas described in Section 3.2 of [Edwards-revisited] and in [EFD-TWISTED-DBL] saves a few smaller operations.

It should say:

However, using the formulas described in Section 3.3 of [Edwards-revisited] and in [EFD-TWISTED-DBL] saves a few smaller operations.

Notes:

In RFC 8032 Section 5.1.4, the reference to "formulas described in Section 3.2 of [Edwards-revisited]" is incorrect. Section 3.2 of [Edwards-revisited] discusses Dedicated Addition, not doubling. The doubling formulas mentioned in RFC 8032 actually appear in Section 3.3 of [Edwards-revisited], under Dedicated Doubling.

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