Use curve params instead of hardcoded 32 bytes

10 years ago · 0dfe511370
parent d4cc2d3503
commit 0dfe511370
1 changed files with 1 additions and 1 deletions
--- a/crypto/crypto.go
+++ b/crypto/crypto.go
@ -106,7 +106,7 @@ func Sign(hash []byte, prv *ecdsa.PrivateKey) (sig []byte, err error) {
 		return nil, fmt.Errorf("hash is required to be exactly 32 bytes (%d)", len(hash))
 	}

-	sig, err = secp256k1.Sign(hash, ethutil.LeftPadBytes(prv.D.Bytes(), 32))
+	sig, err = secp256k1.Sign(hash, ethutil.LeftPadBytes(prv.D.Bytes(), prv.Params().BitSize/8))
 	return
 }