Differential D9401

[SECP256K1] Add secp256k1_ctz{32,64}_var functions
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Authored by Fabien on Apr 13 2021, 18:22.

Details

Reviewers

majcosta

Group Reviewers

Restricted Project

Commits

rABCb1267645a31a: [SECP256K1] Add secp256k1_ctz{32,64}_var functions

Summary

These functions count the number of trailing zeroes in non-zero
integers.

Partial backport of secp256k1#831:
https://github.com/bitcoin-core/secp256k1/pull/831/commits/de0a643c3dc2c40a447e670cfa1c1683c79c9297

Test Plan

ninja check-secp256k1

Diff Detail

Repository

rABC Bitcoin ABC

Lint

Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

Fabien created this revision.Apr 13 2021, 18:22

Herald added a reviewer: Restricted Project. · View Herald TranscriptApr 13 2021, 18:23

Fabien requested review of this revision.Apr 13 2021, 18:23

teamcity edited the summary of this revision. (Show Details)Apr 13 2021, 18:23

Fabien added a child revision: D9402: [SECP256K1] Add safegcd based modular inverse modules.Apr 13 2021, 18:23

Harbormaster completed remote builds in B15496: Diff 28154.Apr 13 2021, 18:46

majcosta accepted this revision.Apr 13 2021, 19:10

This revision is now accepted and ready to land.Apr 13 2021, 19:10

Closed by commit rABCb1267645a31a: [SECP256K1] Add secp256k1_ctz{32,64}_var functions (authored by Pieter Wuille <pieter@wuille.net>, committed by Fabien). · Explain WhyApr 14 2021, 06:44

This revision was automatically updated to reflect the committed changes.

Fabien added a commit: rABCb1267645a31a: [SECP256K1] Add secp256k1_ctz{32,64}_var functions.

Revision Contents
Changeset List

Path

Size

src/

secp256k1/

src/

tests.c

21 lines

util.h

65 lines

Diff 28168

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src/secp256k1/src/tests.c