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crypto: use btcec/v2 for no-cgo (#24533)

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This updates the no-cgo implementations in the crypto package to use
the github.com/btcsuite/btcd/btcec/v2 module instead of the older btcec
package that was part of the main github.com/btcsuite/btcd module.

name                   old time/op  new time/op  delta
EcrecoverSignature-32   198µs ± 0%   144µs ± 0%  -27.11%
VerifySignature-32      177µs ± 0%   128µs ± 0%  -27.44%
DecompressPubkey-32    20.9µs ± 0%  10.1µs ± 0%  -51.51%

Use (*ModNScalar).IsOverHalfOrder instead of math/big.Int when checking
for malleable signatures.
This commit is contained in:
Jonathan Chappelow
2022-03-16 08:23:14 -05:00
committed by GitHub
parent 7a80cf6543
commit 830231c1c4
4 changed files with 64 additions and 39 deletions
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2
go.mod
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@ -10,7 +10,7 @@ require (
github.com/aws/aws-sdk-go-v2/config v1.1.1
github.com/aws/aws-sdk-go-v2/credentials v1.1.1
github.com/aws/aws-sdk-go-v2/service/route53 v1.1.1
github.com/btcsuite/btcd v0.20.1-beta
github.com/btcsuite/btcd/btcec/v2 v2.1.2
github.com/cespare/cp v0.1.0
github.com/cloudflare/cloudflare-go v0.14.0
github.com/consensys/gnark-crypto v0.4.1-0.20210426202927-39ac3d4b3f1f