crypto: remove hardcoded value for secp256k1.N (#30126)

zhiqiangxu · web-flow · commit c4b4d05e695c · 2024-07-09T13:19:25.000+02:00
diff --git a/crypto/crypto.go b/crypto/crypto.go
@@ -45,7 +45,7 @@ const RecoveryIDOffset = 64
 const DigestLength = 32
 
 var (
-	secp256k1N, _  = new(big.Int).SetString("fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141", 16)
+	secp256k1N     = S256().Params().N
 	secp256k1halfN = new(big.Int).Div(secp256k1N, big.NewInt(2))
 )
 

Original file line number	Diff line number	Diff line change
`@@ -45,7 +45,7 @@ const RecoveryIDOffset = 64`
`45`	`45`	`const DigestLength = 32`
`46`	`46`
`47`	`47`	`var (`
`48`		`- secp256k1N, _ = new(big.Int).SetString("fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141", 16)`
	`48`	`+ secp256k1N = S256().Params().N`
`49`	`49`	`secp256k1halfN = new(big.Int).Div(secp256k1N, big.NewInt(2))`
`50`	`50`	`)`
`51`	`51`