public string SignText(string strMessage, ulong lSignatureKeyID, string strPassphrase) { SignaturePacket spSign = new SignaturePacket(); strMessage = Radix64.TrimMessage(strMessage); TransportableSecretKey tskKey = skrKeyRing.Find(lSignatureKeyID); SecretKeyPacket skpKey = tskKey.FindKey(AsymActions.Sign); spSign.HashAlgorithm = HashAlgorithms.SHA1; spSign.Format = PacketFormats.New; spSign.KeyID = skpKey.PublicKey.KeyID; spSign.TimeCreated = DateTime.Now; spSign.SignatureAlgorithm = skpKey.PublicKey.Algorithm; spSign.SignatureType = SignatureTypes.TextSignature; spSign.Version = SignaturePacketVersionNumbers.v4; byte[] bMessage = System.Text.Encoding.UTF8.GetBytes(strMessage); spSign.Sign(bMessage, skpKey, strPassphrase); byte[] bSignature = spSign.Generate(); string strSignature = Radix64.Encode(bSignature, true); string strFinal = Armor.WrapCleartextSignature(strMessage, strSignature); return strFinal; }
/// <summary> /// Text signing /// </summary> /// <param name="strMessage">text to be signed</param> /// <param name="tskKey">secret key for signing purpose</param> /// <param name="strPassphrase">passphrase for the secret key</param> /// <returns>the signed text</returns> public string ClearTextSign(string strMessage, TransportableSecretKey tskKey, string strPassphrase, bool embedMessage) { SignaturePacket spSign = new SignaturePacket(); strMessage = Radix64.TrimMessage(strMessage); SecretKeyPacket skpKey = tskKey.FindKey(AsymActions.Sign); spSign.HashAlgorithm = HashAlgorithms.SHA1; spSign.Format = PacketFormats.New; SignatureSubPacket sspCreator = new SignatureSubPacket(); sspCreator.Type = SignatureSubPacketTypes.IssuerKeyID; sspCreator.KeyID = skpKey.PublicKey.KeyID; SignatureSubPacket sspCreationTime = new SignatureSubPacket(); sspCreationTime.Type = SignatureSubPacketTypes.SignatureCreationTime; sspCreationTime.TimeCreated = DateTime.Now; spSign.HashedSubPackets = new SignatureSubPacket[2]; spSign.HashedSubPackets[0] = sspCreator; spSign.HashedSubPackets[1] = sspCreationTime; //spSign.KeyID = skpKey.PublicKey.KeyID; //spSign.TimeCreated = DateTime.Now; spSign.SignatureAlgorithm = skpKey.PublicKey.Algorithm; spSign.SignatureType = SignatureTypes.TextSignature; spSign.Version = SignaturePacketVersionNumbers.v4; byte[] bMessage = System.Text.Encoding.UTF8.GetBytes(strMessage); spSign.Sign(bMessage, skpKey, strPassphrase); byte[] bSignature = spSign.Generate(); string strSignature = Radix64.Encode(bSignature, true); string strFinal; if(embedMessage) strFinal = Armor.WrapCleartextSignature(strMessage, strSignature); else strFinal = Armor.WrapCleartextSignature(strSignature); return strFinal; }
public static string ClearTextSign(string strMessage, SecretKeyRing skrKeyRing) { SignaturePacket spSign = new SignaturePacket(); strMessage = Radix64.TrimMessage(strMessage); QueryPassphrase qpPassphrase = new QueryPassphrase(); qpPassphrase.ShowMyDialog(skrKeyRing); string strPassphrase = qpPassphrase.Passphrase; TransportableSecretKey tskKey = qpPassphrase.SelectedKey; SecretKeyPacket skpKey = tskKey.FindKey(AsymActions.Sign); Working wWorking = new Working(); wWorking.Show(); spSign.HashAlgorithm = HashAlgorithms.SHA1; spSign.Format = PacketFormats.New; wWorking.Progress(10); SignatureSubPacket sspCreator = new SignatureSubPacket(); sspCreator.Type = SignatureSubPacketTypes.IssuerKeyID; sspCreator.KeyID = skpKey.PublicKey.KeyID; SignatureSubPacket sspCreationTime = new SignatureSubPacket(); sspCreationTime.Type = SignatureSubPacketTypes.SignatureCreationTime; sspCreationTime.TimeCreated = DateTime.Now; spSign.HashedSubPackets = new SignatureSubPacket[2]; spSign.HashedSubPackets[0] = sspCreator; spSign.HashedSubPackets[1] = sspCreationTime; wWorking.Progress(20); //spSign.KeyID = skpKey.PublicKey.KeyID; //spSign.TimeCreated = DateTime.Now; spSign.SignatureAlgorithm = skpKey.PublicKey.Algorithm; spSign.SignatureType = SignatureTypes.TextSignature; spSign.Version = SignaturePacketVersionNumbers.v4; wWorking.Progress(10); byte[] bMessage = System.Text.Encoding.UTF8.GetBytes(strMessage); spSign.Sign(bMessage, skpKey, strPassphrase); wWorking.Progress(40); byte[] bSignature = spSign.Generate(); string strSignature = Radix64.Encode(bSignature, true); wWorking.Progress(20); string strFinal = Armor.WrapCleartextSignature(strMessage, strSignature); wWorking.Hide(); return strFinal; }