Use curve params instead of hardcoded 32 bytes

0dfe5113 · obscuren · d4cc2d35 · 0dfe5113
Commit 0dfe5113 authored Jan 22, 2015 by obscuren
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crypto.go crypto/crypto.go +1 -1

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--- 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
 }