C# (CSharp) PgpDecryptionBuilder Examples

Example #1

File: FluentAPIUnitTest.cs Project: mohamedfarouk/openpgp-fluentapi

        public void TestEncrypt_Decrypt_WrongDecryptionKey()
        {
            PlainMessageStream.Seek(0, SeekOrigin.Begin);
            PublicKey1.Seek(0, SeekOrigin.Begin);
            PrivateKey1.Seek(0, SeekOrigin.Begin);

            var encryptionTask = new PgpEncryptionBuilder()
                                 .Encrypt(PlainMessageStream)
                                 .WithArmor()
                                 .WithCompression()
                                 .WithIntegrityCheck()
                                 .WithPublicKey(PublicKey1)
                                 .WithSigning(PrivateKey1, PassPhrase1)
                                 .Build();

            var encryptedStream = encryptionTask.Run().GetEncryptedStream();

            var encryptedText = new StreamReader(encryptedStream).ReadToEnd();

            encryptedStream.Seek(0, SeekOrigin.Begin);
            PlainMessageStream.Seek(0, SeekOrigin.Begin);


            var decryptionTask = new PgpDecryptionBuilder()
                                 .Decrypt(encryptedStream)
                                 .WithPrivateKey(PrivateKey2, PassPhrase2)
                                 .VerifySignatureUsingKey(PublicKey2)
                                 .Build();

            Assert.Throws <SecretKeyNotFound>(() => decryptionTask.Run());
        }

Example #2

File: FluentAPIUnitTest.cs Project: mohamedfarouk/openpgp-fluentapi

        public void TestEncrypt_Decrypt_2KeysAnd2Signatures()
        {
            PlainMessageStream.Seek(0, SeekOrigin.Begin);
            PublicKey1.Seek(0, SeekOrigin.Begin);
            PrivateKey1.Seek(0, SeekOrigin.Begin);
            PublicKey2.Seek(0, SeekOrigin.Begin);
            PrivateKey2.Seek(0, SeekOrigin.Begin);

            var encryptionTask = new PgpEncryptionBuilder()
                                 .Encrypt(PlainMessageStream)
                                 .WithArmor()
                                 .WithCompression()
                                 .WithIntegrityCheck()
                                 .WithPublicKey(PublicKey1)
                                 .WithPublicKey(PublicKey2)
                                 .WithSigning(PrivateKey1, PassPhrase1)
                                 .WithSigning(PrivateKey2, PassPhrase2)
                                 .Build();

            var encryptedStream = encryptionTask.Run().GetEncryptedStream();

            var encryptedText = new StreamReader(encryptedStream).ReadToEnd();


            encryptedStream.Seek(0, SeekOrigin.Begin);
            PlainMessageStream.Seek(0, SeekOrigin.Begin);
            PublicKey1.Seek(0, SeekOrigin.Begin);
            PrivateKey1.Seek(0, SeekOrigin.Begin);
            PublicKey2.Seek(0, SeekOrigin.Begin);
            PrivateKey2.Seek(0, SeekOrigin.Begin);


            var decryptionTask = new PgpDecryptionBuilder()
                                 .Decrypt(encryptedStream)
                                 .WithPrivateKey(PrivateKey1, PassPhrase1)
                                 .WithPrivateKey(PrivateKey2, PassPhrase2)
                                 .VerifySignatureUsingKey(PublicKey1)
                                 .VerifySignatureUsingKey(PublicKey2)
                                 .Build();

            var decryptedStream = decryptionTask.Run().GetDecryptedStream();

            var decryptedText = new StreamReader(decryptedStream).ReadToEnd();

            Assert.Equal(PlainMessage, decryptedText);
        }

Example #3

File: FluentAPIUnitTest.cs Project: mohamedfarouk/openpgp-fluentapi

        public void TestEncrypt_Decrypt_AESAlgorithm()
        {
            PlainMessageStream.Seek(0, SeekOrigin.Begin);
            PublicKey1.Seek(0, SeekOrigin.Begin);
            PrivateKey1.Seek(0, SeekOrigin.Begin);
            PublicKey2.Seek(0, SeekOrigin.Begin);
            PrivateKey2.Seek(0, SeekOrigin.Begin);

            var encryptionTask = new PgpEncryptionBuilder()
                                 .Encrypt(PlainMessageStream)
                                 .WithArmor()
                                 .WithCompression()
                                 .WithIntegrityCheck()
                                 .WithSymmetricKeyAlgorithm(Org.BouncyCastle.Bcpg.SymmetricKeyAlgorithmTag.Aes256)
                                 .WithPublicKey(PublicKey1)
                                 .Build();

            var encryptedStream = encryptionTask.Run().GetEncryptedStream();

            var encryptedText = new StreamReader(encryptedStream).ReadToEnd();


            encryptedStream.Seek(0, SeekOrigin.Begin);
            PlainMessageStream.Seek(0, SeekOrigin.Begin);
            PublicKey1.Seek(0, SeekOrigin.Begin);
            PrivateKey1.Seek(0, SeekOrigin.Begin);
            PublicKey2.Seek(0, SeekOrigin.Begin);
            PrivateKey2.Seek(0, SeekOrigin.Begin);


            var decryptionTask = new PgpDecryptionBuilder()
                                 .Decrypt(encryptedStream)
                                 .WithPrivateKey(PrivateKey1, PassPhrase1)
                                 .Build();

            var decryptedStream = decryptionTask.Run().GetDecryptedStream();

            var decryptedText = new StreamReader(decryptedStream).ReadToEnd();

            Assert.Equal(PlainMessage, decryptedText);
        }