public ECDSASignature Sign(uint256 hash) { AssertPrivateKey(); var signer = new DeterministicECDSA(); signer.setPrivateKey(PrivateKey); var sig = ECDSASignature.FromDER(signer.signHash(hash.ToBytes())); return(sig.MakeCanonical()); }
public static bool IsValidDER(byte[] bytes) { try { ECDSASignature.FromDER(bytes); return(true); } catch (FormatException) { return(false); } catch (Exception ex) { Utils.error("Unexpected exception in ECDSASignature.IsValidDER " + ex.Message); return(false); } }