Revert "crypto: add IsOnCurve check (ethereum#31100)"

ARR4N · ARR4N · commit 197e5b0bcfcc · 2025-10-18T18:06:23.000+01:00
This reverts commit 955616d.
diff --git a/crypto/crypto.go b/crypto/crypto.go
@@ -169,9 +169,6 @@ func UnmarshalPubkey(pub []byte) (*ecdsa.PublicKey, error) {
 	if x == nil {
 		return nil, errInvalidPubkey
 	}
-	if !S256().IsOnCurve(x, y) {
-		return nil, errInvalidPubkey
-	}
 	return &ecdsa.PublicKey{Curve: S256(), X: x, Y: y}, nil
 }
 

Original file line number	Diff line number	Diff line change
`@@ -169,9 +169,6 @@ func UnmarshalPubkey(pub []byte) (*ecdsa.PublicKey, error) {`
`169`	`169`	`if x == nil {`
`170`	`170`	`return nil, errInvalidPubkey`
`171`	`171`	`}`
`172`		`- if !S256().IsOnCurve(x, y) {`
`173`		`- return nil, errInvalidPubkey`
`174`		`- }`
`175`	`172`	`return &ecdsa.PublicKey{Curve: S256(), X: x, Y: y}, nil`
`176`	`173`	`}`
`177`	`174`