Exemplo n.º 1
0
        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);
        }
Exemplo n.º 2
0
        public static void EncryptFiles(String[] strFiles, PublicKeyRing pkrPublicKeyRing, SecretKeyRing skrSecretKeyRing, bool bEncrypt, bool bSign)
        {
            PublicKeySelector pksSelectKeys = new PublicKeySelector(pkrPublicKeyRing);

            if (bEncrypt)
            {
                pksSelectKeys.ShowDialog();
                if (pksSelectKeys.SelectedKeys.Count == 0)
                {
                    MessageBox.Show("You did not select a public key to encrypt to. Doing nothing...", "Nothing Done...");
                    return;
                }
            }

            TransportableSecretKey tskKey = new TransportableSecretKey();
            string strPassphrase          = "";

            if (bSign)
            {
                QueryPassphrase qpPassphrase = new QueryPassphrase();
                qpPassphrase.ShowMyDialog(skrSecretKeyRing);
                tskKey        = qpPassphrase.SelectedKey;
                strPassphrase = qpPassphrase.Passphrase;
            }

            Working wWorking = new Working();

            wWorking.Show();


            for (int i = 0; i < strFiles.Length; i++)
            {
                byte[] bFileContent = new byte[0];
                try {
                    System.IO.FileStream fsFile   = new FileStream(strFiles[i], FileMode.Open);
                    BinaryReader         brReader = new BinaryReader(fsFile);
                    bFileContent = brReader.ReadBytes((int)fsFile.Length);
                    brReader.Close();
                    fsFile.Close();
                } catch (Exception e) {
                    wWorking.Hide();
                    MessageBox.Show("An error occured while opening the file " + strFiles[i] + ": " + e.Message, "Error...");
                    return;
                }

                LiteralMessage lmMessage = new LiteralMessage(DataFormatTypes.Binary);
                lmMessage.Binary      = bFileContent;
                lmMessage.TimeCreated = DateTime.Now;
                int iLastBackslash = strFiles[i].LastIndexOf("\\");
                lmMessage.Filename = strFiles[i].Substring(iLastBackslash + 1, strFiles[i].Length - iLastBackslash - 1);

                SharpPrivacy.OpenPGP.Messages.Message mEncryptionMessage = lmMessage;

                if (bSign)
                {
                    SignedMessage smMessage = new SignedMessage();
                    smMessage.MessageSigned = lmMessage;
                    SignaturePacket spPacket = new SignaturePacket();
                    spPacket.Version = SignaturePacketVersionNumbers.v3;
                    SecretKeyPacket skpKey = tskKey.FindKey(AsymActions.Sign);
                    spPacket.KeyID              = skpKey.PublicKey.KeyID;
                    spPacket.HashAlgorithm      = HashAlgorithms.SHA1;
                    spPacket.SignatureAlgorithm = skpKey.PublicKey.Algorithm;
                    spPacket.TimeCreated        = DateTime.Now;
                    spPacket.SignatureType      = SignatureTypes.TextSignature;
                    spPacket.Sign(lmMessage.Binary, skpKey, strPassphrase);
                    smMessage.Signature = spPacket;
                    mEncryptionMessage  = smMessage;
                }

                CompressedMessage cmMessage = new CompressedMessage();
                cmMessage.Compress(mEncryptionMessage);

                wWorking.Progress(20 / strFiles.Length);

                SymAlgorithms saAlgo = GetSymAlgorithmPreferences(pksSelectKeys.SelectedKeys);

                wWorking.Progress(10 / strFiles.Length);
                byte[] bReturn = new byte[0];
                if (bEncrypt)
                {
                    SymmetricallyEncryptedDataPacket sedpEncrypted = new SymmetricallyEncryptedDataPacket();
                    SymmetricAlgorithm saEncrypt = CipherHelper.CreateSymAlgorithm(saAlgo);
                    saEncrypt.Mode = CipherMode.OpenPGP_CFB;
                    saEncrypt.GenerateKey();
                    byte[] bKey = saEncrypt.Key;

                    ESKSequence esksKeys = new ESKSequence();
                    try {
                        esksKeys = CreateESKSequence(pksSelectKeys.SelectedKeys, AsymActions.Encrypt, saAlgo, bKey);
                    } catch (Exception e) {
                        wWorking.Hide();
                        MessageBox.Show("The following error occured: " + e.Message, "Error...");
                        return;
                    }

                    wWorking.Progress(50 / strFiles.Length);

                    ICryptoTransform ictEncryptor = saEncrypt.CreateEncryptor();
                    byte[]           bMessage     = cmMessage.GetEncoded();
                    byte[]           bOutput      = new byte[bMessage.Length];
                    ictEncryptor.TransformBlock(bMessage, 0, bMessage.Length, ref bOutput, 0);
                    bKey.Initialize();

                    wWorking.Progress(10 / strFiles.Length);

                    int iOutLength = (saEncrypt.BlockSize >> 3) + 2 + bMessage.Length;
                    sedpEncrypted.Body = new byte[iOutLength];
                    Array.Copy(bOutput, 0, sedpEncrypted.Body, 0, iOutLength);

                    byte[] bESK       = esksKeys.GetEncoded();
                    byte[] bEncrypted = sedpEncrypted.Generate();

                    bReturn = new byte[bESK.Length + bEncrypted.Length];
                    bESK.CopyTo(bReturn, 0);
                    bEncrypted.CopyTo(bReturn, bESK.Length);
                }
                else
                {
                    wWorking.Progress(60 / strFiles.Length);
                    bReturn = cmMessage.GetEncoded();
                }

                wWorking.Progress(10 / strFiles.Length);

                try {
                    FileStream   fsOut   = new FileStream(strFiles[i] + ".asc", FileMode.CreateNew);
                    BinaryWriter bwWrite = new BinaryWriter(fsOut);

                    bwWrite.Write(bReturn);
                    bwWrite.Close();
                    fsOut.Close();
                } catch (IOException io) {
                    MessageBox.Show("Could not write to file. The following error occured: " + io.Message, "Error...");
                }
            }

            wWorking.Hide();
        }
Exemplo n.º 3
0
        public static string EncryptText(string strMessage, PublicKeyRing pkrPublicKeyRing, SecretKeyRing skrSecretKeyRing, bool bSign)
        {
            PublicKeySelector pksSelectKeys = new PublicKeySelector(pkrPublicKeyRing);

            pksSelectKeys.ShowDialog();
            TransportableSecretKey tskKey = new TransportableSecretKey();
            string strPassphrase          = "";

            if (bSign)
            {
                QueryPassphrase qpPassphrase = new QueryPassphrase();
                qpPassphrase.ShowMyDialog(skrSecretKeyRing);
                tskKey        = qpPassphrase.SelectedKey;
                strPassphrase = qpPassphrase.Passphrase;
            }

            if (pksSelectKeys.SelectedKeys.Count == 0)
            {
                return(strMessage);
            }

            Working wWorking = new Working();

            wWorking.Show();

            LiteralMessage lmMessage = new LiteralMessage(DataFormatTypes.Text);

            lmMessage.Text        = strMessage;
            lmMessage.TimeCreated = DateTime.Now;
            lmMessage.Filename    = "";

            SharpPrivacy.OpenPGP.Messages.Message mEncryptionMessage = lmMessage;

            if (bSign)
            {
                SignedMessage smMessage = new SignedMessage();
                smMessage.MessageSigned = lmMessage;
                SignaturePacket spPacket = new SignaturePacket();
                spPacket.Version = SignaturePacketVersionNumbers.v3;
                SecretKeyPacket skpKey = tskKey.FindKey(AsymActions.Sign);
                spPacket.KeyID              = skpKey.PublicKey.KeyID;
                spPacket.HashAlgorithm      = HashAlgorithms.SHA1;
                spPacket.SignatureAlgorithm = skpKey.PublicKey.Algorithm;
                spPacket.TimeCreated        = DateTime.Now;
                spPacket.SignatureType      = SignatureTypes.TextSignature;
                spPacket.Sign(lmMessage.Binary, skpKey, strPassphrase);
                smMessage.Signature = spPacket;
                mEncryptionMessage  = smMessage;
            }

            CompressedMessage cmMessage = new CompressedMessage();

            cmMessage.Compress(mEncryptionMessage);

            wWorking.Progress(20);

            SymAlgorithms saAlgo = GetSymAlgorithmPreferences(pksSelectKeys.SelectedKeys);

            SymmetricallyEncryptedDataPacket sedpEncrypted = new SymmetricallyEncryptedDataPacket();
            SymmetricAlgorithm saEncrypt = CipherHelper.CreateSymAlgorithm(saAlgo);

            saEncrypt.Mode = CipherMode.OpenPGP_CFB;
            saEncrypt.GenerateKey();
            byte[] bKey = saEncrypt.Key;

            wWorking.Progress(10);
            ESKSequence esksKeys = new ESKSequence();

            try {
                esksKeys = CreateESKSequence(pksSelectKeys.SelectedKeys, AsymActions.Encrypt, saAlgo, bKey);
            } catch (Exception e) {
                wWorking.Hide();
                MessageBox.Show("The following error occured: " + e.Message, "Error...");
                return(strMessage);
            }

            wWorking.Progress(50);

            ICryptoTransform ictEncryptor = saEncrypt.CreateEncryptor();

            byte[] bMessage = cmMessage.GetEncoded();
            byte[] bOutput  = new byte[bMessage.Length];
            ictEncryptor.TransformBlock(bMessage, 0, bMessage.Length, ref bOutput, 0);
            bKey.Initialize();

            wWorking.Progress(10);

            int iOutLength = (saEncrypt.BlockSize >> 3) + 2 + bMessage.Length;

            sedpEncrypted.Body = new byte[iOutLength];
            Array.Copy(bOutput, 0, sedpEncrypted.Body, 0, iOutLength);

            byte[] bESK       = esksKeys.GetEncoded();
            byte[] bEncrypted = sedpEncrypted.Generate();

            byte[] bReturn = new byte[bESK.Length + bEncrypted.Length];
            bESK.CopyTo(bReturn, 0);
            bEncrypted.CopyTo(bReturn, bESK.Length);

            wWorking.Progress(10);
            string strReturn = Radix64.Encode(bReturn, true);

            strReturn = Armor.WrapMessage(strReturn);

            wWorking.Hide();
            return(strReturn);
        }
Exemplo n.º 4
0
        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;
        }
Exemplo n.º 5
0
        public static string EncryptText(string strMessage, PublicKeyRing pkrPublicKeyRing, SecretKeyRing skrSecretKeyRing, bool bSign)
        {
            PublicKeySelector pksSelectKeys = new PublicKeySelector(pkrPublicKeyRing);
            pksSelectKeys.ShowDialog();
            TransportableSecretKey tskKey = new TransportableSecretKey();
            string strPassphrase = "";

            if (bSign) {
                QueryPassphrase qpPassphrase = new QueryPassphrase();
                qpPassphrase.ShowMyDialog(skrSecretKeyRing);
                tskKey = qpPassphrase.SelectedKey;
                strPassphrase = qpPassphrase.Passphrase;
            }

            if (pksSelectKeys.SelectedKeys.Count == 0)
                return strMessage;

            Working wWorking = new Working();
            wWorking.Show();

            LiteralMessage lmMessage = new LiteralMessage(DataFormatTypes.Text);
            lmMessage.Text = strMessage;
            lmMessage.TimeCreated = DateTime.Now;
            lmMessage.Filename = "";

            SharpPrivacy.OpenPGP.Messages.Message mEncryptionMessage = lmMessage;

            if (bSign) {
                SignedMessage smMessage = new SignedMessage();
                smMessage.MessageSigned = lmMessage;
                SignaturePacket spPacket = new SignaturePacket();
                spPacket.Version = SignaturePacketVersionNumbers.v3;
                SecretKeyPacket skpKey = tskKey.FindKey(AsymActions.Sign);
                spPacket.KeyID = skpKey.PublicKey.KeyID;
                spPacket.HashAlgorithm = HashAlgorithms.SHA1;
                spPacket.SignatureAlgorithm = skpKey.PublicKey.Algorithm;
                spPacket.TimeCreated = DateTime.Now;
                spPacket.SignatureType = SignatureTypes.TextSignature;
                spPacket.Sign(lmMessage.Binary, skpKey, strPassphrase);
                smMessage.Signature = spPacket;
                mEncryptionMessage = smMessage;
            }

            CompressedMessage cmMessage = new CompressedMessage();
            cmMessage.Compress(mEncryptionMessage);

            wWorking.Progress(20);

            SymAlgorithms saAlgo = GetSymAlgorithmPreferences(pksSelectKeys.SelectedKeys);

            SymmetricallyEncryptedDataPacket sedpEncrypted = new SymmetricallyEncryptedDataPacket();
            SymmetricAlgorithm saEncrypt = CipherHelper.CreateSymAlgorithm(saAlgo);
            saEncrypt.Mode = CipherMode.OpenPGP_CFB;
            saEncrypt.GenerateKey();
            byte[] bKey = saEncrypt.Key;

            wWorking.Progress(10);
            ESKSequence esksKeys = new ESKSequence();
            try {
                 esksKeys = CreateESKSequence(pksSelectKeys.SelectedKeys, AsymActions.Encrypt, saAlgo, bKey);
            } catch (Exception e) {
                wWorking.Hide();
                MessageBox.Show("The following error occured: " + e.Message, "Error...");
                return strMessage;
            }

            wWorking.Progress(50);

            ICryptoTransform ictEncryptor = saEncrypt.CreateEncryptor();
            byte[] bMessage = cmMessage.GetEncoded();
            byte[] bOutput = new byte[bMessage.Length];
            ictEncryptor.TransformBlock(bMessage, 0, bMessage.Length, ref bOutput, 0);
            bKey.Initialize();

            wWorking.Progress(10);

            int iOutLength = (saEncrypt.BlockSize >> 3) + 2 + bMessage.Length;
            sedpEncrypted.Body = new byte[iOutLength];
            Array.Copy(bOutput, 0, sedpEncrypted.Body, 0, iOutLength);

            byte[] bESK = esksKeys.GetEncoded();
            byte[] bEncrypted = sedpEncrypted.Generate();

            byte[] bReturn = new byte[bESK.Length + bEncrypted.Length];
            bESK.CopyTo(bReturn, 0);
            bEncrypted.CopyTo(bReturn, bESK.Length);

            wWorking.Progress(10);
            string strReturn = Radix64.Encode(bReturn, true);

            strReturn = Armor.WrapMessage(strReturn);

            wWorking.Hide();
            return strReturn;
        }
Exemplo n.º 6
0
        public static void EncryptFiles(String[] strFiles, PublicKeyRing pkrPublicKeyRing, SecretKeyRing skrSecretKeyRing, bool bEncrypt, bool bSign)
        {
            PublicKeySelector pksSelectKeys = new PublicKeySelector(pkrPublicKeyRing);
            if (bEncrypt) {
                pksSelectKeys.ShowDialog();
                if (pksSelectKeys.SelectedKeys.Count == 0) {
                    MessageBox.Show("You did not select a public key to encrypt to. Doing nothing...", "Nothing Done...");
                    return;
                }
            }

            TransportableSecretKey tskKey = new TransportableSecretKey();
            string strPassphrase = "";

            if (bSign) {
                QueryPassphrase qpPassphrase = new QueryPassphrase();
                qpPassphrase.ShowMyDialog(skrSecretKeyRing);
                tskKey = qpPassphrase.SelectedKey;
                strPassphrase = qpPassphrase.Passphrase;
            }

            Working wWorking = new Working();
            wWorking.Show();

            for (int i=0; i<strFiles.Length; i++) {
                byte[] bFileContent = new byte[0];
                try {
                    System.IO.FileStream fsFile = new FileStream(strFiles[i], FileMode.Open);
                    BinaryReader brReader = new BinaryReader(fsFile);
                    bFileContent = brReader.ReadBytes((int)fsFile.Length);
                    brReader.Close();
                    fsFile.Close();
                } catch (Exception e) {
                    wWorking.Hide();
                    MessageBox.Show("An error occured while opening the file " + strFiles[i] + ": " + e.Message, "Error...");
                    return;
                }

                LiteralMessage lmMessage = new LiteralMessage(DataFormatTypes.Binary);
                lmMessage.Binary = bFileContent;
                lmMessage.TimeCreated = DateTime.Now;
                int iLastBackslash = strFiles[i].LastIndexOf("\\");
                lmMessage.Filename = strFiles[i].Substring(iLastBackslash + 1, strFiles[i].Length - iLastBackslash - 1);

                SharpPrivacy.OpenPGP.Messages.Message mEncryptionMessage = lmMessage;

                if (bSign) {
                    SignedMessage smMessage = new SignedMessage();
                    smMessage.MessageSigned = lmMessage;
                    SignaturePacket spPacket = new SignaturePacket();
                    spPacket.Version = SignaturePacketVersionNumbers.v3;
                    SecretKeyPacket skpKey = tskKey.FindKey(AsymActions.Sign);
                    spPacket.KeyID = skpKey.PublicKey.KeyID;
                    spPacket.HashAlgorithm = HashAlgorithms.SHA1;
                    spPacket.SignatureAlgorithm = skpKey.PublicKey.Algorithm;
                    spPacket.TimeCreated = DateTime.Now;
                    spPacket.SignatureType = SignatureTypes.TextSignature;
                    spPacket.Sign(lmMessage.Binary, skpKey, strPassphrase);
                    smMessage.Signature = spPacket;
                    mEncryptionMessage = smMessage;
                }

                CompressedMessage cmMessage = new CompressedMessage();
                cmMessage.Compress(mEncryptionMessage);

                wWorking.Progress(20/strFiles.Length);

                SymAlgorithms saAlgo = GetSymAlgorithmPreferences(pksSelectKeys.SelectedKeys);

                wWorking.Progress(10/strFiles.Length);
                byte[] bReturn = new byte[0];
                if (bEncrypt) {
                    SymmetricallyEncryptedDataPacket sedpEncrypted = new SymmetricallyEncryptedDataPacket();
                    SymmetricAlgorithm saEncrypt = CipherHelper.CreateSymAlgorithm(saAlgo);
                    saEncrypt.Mode = CipherMode.OpenPGP_CFB;
                    saEncrypt.GenerateKey();
                    byte[] bKey = saEncrypt.Key;

                    ESKSequence esksKeys = new ESKSequence();
                    try {
                         esksKeys = CreateESKSequence(pksSelectKeys.SelectedKeys, AsymActions.Encrypt, saAlgo, bKey);
                    } catch (Exception e) {
                        wWorking.Hide();
                        MessageBox.Show("The following error occured: " + e.Message, "Error...");
                        return;
                    }

                    wWorking.Progress(50/strFiles.Length);

                    ICryptoTransform ictEncryptor = saEncrypt.CreateEncryptor();
                    byte[] bMessage = cmMessage.GetEncoded();
                    byte[] bOutput = new byte[bMessage.Length];
                    ictEncryptor.TransformBlock(bMessage, 0, bMessage.Length, ref bOutput, 0);
                    bKey.Initialize();

                    wWorking.Progress(10/strFiles.Length);

                    int iOutLength = (saEncrypt.BlockSize >> 3) + 2 + bMessage.Length;
                    sedpEncrypted.Body = new byte[iOutLength];
                    Array.Copy(bOutput, 0, sedpEncrypted.Body, 0, iOutLength);

                    byte[] bESK = esksKeys.GetEncoded();
                    byte[] bEncrypted = sedpEncrypted.Generate();

                    bReturn = new byte[bESK.Length + bEncrypted.Length];
                    bESK.CopyTo(bReturn, 0);
                    bEncrypted.CopyTo(bReturn, bESK.Length);
                } else {
                    wWorking.Progress(60/strFiles.Length);
                    bReturn = cmMessage.GetEncoded();
                }

                wWorking.Progress(10/strFiles.Length);

                try {
                    FileStream fsOut = new FileStream(strFiles[i] + ".asc", FileMode.CreateNew);
                    BinaryWriter bwWrite = new BinaryWriter(fsOut);

                    bwWrite.Write(bReturn);
                    bwWrite.Close();
                    fsOut.Close();
                } catch (IOException io) {
                    MessageBox.Show("Could not write to file. The following error occured: " + io.Message, "Error...");
                }
            }

            wWorking.Hide();
        }