Example #1
0
        static int Main(string[] args)
        {
            // Get the user's home path and password persistor from the environment.
            String homePath = Environment.GetEnvironmentVariable("USERPROFILE");

            String persistorPassword = Environment.GetEnvironmentVariable("IONIC_PERSISTOR_PASSWORD");

            if (persistorPassword == null || persistorPassword.Length == 0)
            {
                Console.WriteLine("Please provide the persistor password as env variable: IONIC_PERSISTOR_PASSWORD");
                WaitForInput();
                Environment.Exit(1);
            }

            // Create an agent object to talk to Ionic.
            Agent agent = new Agent();

            // Create a password persistor for agent initialization.
            try
            {
                DeviceProfilePersistorPassword persistor = new DeviceProfilePersistorPassword();
                persistor.FilePath = homePath + "\\.ionicsecurity\\profiles.pw";
                persistor.Password = persistorPassword;

                agent.SetMetadata(Agent.MetaApplicationName, "CreateKey Sample");
                agent.Initialize(persistor);
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Agent initialization error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Create single key without attributes.
            CreateKeysResponse.Key key = null;
            try
            {
                key = agent.CreateKey().Keys[0];
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Key creation error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            Console.WriteLine("Key ID             : " + key.Id);
            Console.WriteLine("Key Bytes          : " + BitConverter.ToString(key.KeyBytes).Replace("-", String.Empty));
            Console.WriteLine("Fixed Attributes   : " + JsonDump(key.Attributes));
            Console.WriteLine("Mutable Attributes : " + JsonDump(key.MutableAttributes));

            WaitForInput();
            return(0);
        }
Example #2
0
        static int Main(string[] args)
        {
            // The files to encrypt from and decrypt to.
            string fileOriginal   = "../../../../../../sample-data/files/Message.docx";
            string fileCipherText = "./Message-Protected.docx";
            string filePlainText  = "./Message.docx";

            // Get the user's home path and password persistor from the environment.
            String homePath = Environment.GetEnvironmentVariable("USERPROFILE");

            String persistorPassword = Environment.GetEnvironmentVariable("IONIC_PERSISTOR_PASSWORD");

            if (persistorPassword == null || persistorPassword.Length == 0)
            {
                Console.WriteLine("Please provide the persistor password as env variable: IONIC_PERSISTOR_PASSWORD");
                WaitForInput();
                Environment.Exit(1);
            }

            // Create an agent object to talk to Ionic.
            Agent agent = new Agent();

            // Create a password persistor for agent initialization.
            try
            {
                DeviceProfilePersistorPassword persistor = new DeviceProfilePersistorPassword();
                persistor.FilePath = homePath + "\\.ionicsecurity\\profiles.pw";
                persistor.Password = persistorPassword;

                agent.SetMetadata(Agent.MetaApplicationName, "CryptoFileCipherOpenxml Sample");
                agent.Initialize(persistor);
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Agent initialization error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Create single key without attributes.
            CreateKeysResponse.Key key = null;
            try
            {
                key = agent.CreateKey().Keys[0];
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Key creation error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Define mutable attributes and empty fixed attributes.
            AttributesDictionary mutableKeyAttrs = new AttributesDictionary();
            AttributesDictionary fixedKeyAttrs   = new AttributesDictionary();

            mutableKeyAttrs.Add("classification", new List <string> {
                "Restricted"
            });
            FileCryptoEncryptAttributes fileCryptoEncryptAttrs =
                new FileCryptoEncryptAttributes(fixedKeyAttrs, mutableKeyAttrs);

            // Initialize OpenXML file cipher object.
            OpenXmlFileCipher cipher = new OpenXmlFileCipher(agent);

            // Encrypt
            try
            {
                Console.WriteLine("Encrypting file {0} and saving in cipher file {1}", fileOriginal, fileCipherText);
                cipher.Encrypt(fileOriginal, fileCipherText, ref fileCryptoEncryptAttrs);
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Generic file cipher encrypt error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Decrypt
            try
            {
                Console.WriteLine("Decrypting file {0} and saving in plaintext file {1}", fileCipherText, filePlainText);
                cipher.Decrypt(fileCipherText, filePlainText);
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Generic file cipher decrypt error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Read the files for comparison.
            string message   = File.ReadAllText(fileOriginal);
            string plainText = File.ReadAllText(filePlainText);

            // Verify encrypt and decrypt worked.
            if (message != plainText)
            {
                Console.WriteLine("Encryption/Decrption does not match!");
                Console.WriteLine("Message: {0} - PlainText: {1}", message, plainText);
                WaitForInput();
                Environment.Exit(1);
            }

            WaitForInput();
            return(0);
        }
Example #3
0
        static int Main(string[] args)
        {
            // The message to encrypt and authentication data GCM requires.
            String message = "secret message";

            byte[] authData = Encoding.ASCII.GetBytes("data to authenticate");

            // Get the user's home path and password persistor from the environment.
            String homePath = Environment.GetEnvironmentVariable("USERPROFILE");

            String persistorPassword = Environment.GetEnvironmentVariable("IONIC_PERSISTOR_PASSWORD");

            if (persistorPassword == null || persistorPassword.Length == 0)
            {
                Console.WriteLine("Please provide the persistor password as env variable: IONIC_PERSISTOR_PASSWORD");
                WaitForInput();
                Environment.Exit(1);
            }

            // Create an agent object to talk to Ionic.
            Agent agent = new Agent();

            // Create a password persistor for agent initialization.
            try
            {
                DeviceProfilePersistorPassword persistor = new DeviceProfilePersistorPassword();
                persistor.FilePath = homePath + "\\.ionicsecurity\\profiles.pw";
                persistor.Password = persistorPassword;

                agent.SetMetadata(Agent.MetaApplicationName, "CryptoAesGcm Sample");
                agent.Initialize(persistor);
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Agent initialization error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Create single key without attributes.
            CreateKeysResponse.Key key = null;
            try
            {
                key = agent.CreateKey().Keys[0];
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Key creation error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            byte[] keyBytes = key.KeyBytes;

            // Initialize AES GCM (Galois Counter Mode) cipher object.
            AesGcmCipher aes = new AesGcmCipher();

            aes.KeyBytes      = keyBytes;
            aes.AuthDataBytes = authData;

            // Encrypt
            byte[] cipherText = new byte[256];
            aes.Encrypt(message, ref cipherText);

            // Decrypt
            string plainText = null;

            aes.Decrypt(cipherText, ref plainText);

            // Verify encrypt and decrypt worked.
            if (message != plainText)
            {
                Console.WriteLine("Encryption/Decrption does not match!");
                Console.WriteLine("Message: {0} - PlainText: {1}", message, plainText);
                WaitForInput();
                Environment.Exit(1);
            }

            Console.WriteLine("CipherText : {0}", BitConverter.ToString(cipherText).Replace("-", String.Empty));
            Console.WriteLine("PlainText  : {0}", plainText);

            WaitForInput();
            return(0);
        }
Example #4
0
        static int Main(string[] args)
        {
            // Get the user's home path and password persistor from the environment.
            String homePath = Environment.GetEnvironmentVariable("USERPROFILE");

            String persistorPassword = Environment.GetEnvironmentVariable("IONIC_PERSISTOR_PASSWORD");

            if (persistorPassword == null || persistorPassword.Length == 0)
            {
                Console.WriteLine("Please provide the persistor password as env variable: IONIC_PERSISTOR_PASSWORD");
                WaitForInput();
                Environment.Exit(1);
            }

            // Create an agent object to talk to Ionic.
            Agent agent = new Agent();

            // Create a password persistor for agent initialization.
            try
            {
                DeviceProfilePersistorPassword persistor = new DeviceProfilePersistorPassword();
                persistor.FilePath = homePath + "\\.ionicsecurity\\profiles.pw";
                persistor.Password = persistorPassword;

                agent.SetMetadata(Agent.MetaApplicationName, "Ionic Encryption Tutorial");
                agent.SetMetadata(Agent.MetaApplicationVersion, "1.0.0");
                agent.Initialize(persistor);
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Agent initialization error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            /*****************************************************************
            * SENDER
            *****************************************************************/

            //The message to encrypt.
            String message = "this is a secret message!";

            // Create single key without attributes.
            CreateKeysResponse.Key createdKey = null;
            try
            {
                createdKey = agent.CreateKey().Keys[0];
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Key creation error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Initialize sender AES CTR cipher object.
            AesCtrCipher senderAes = new AesCtrCipher();

            byte[] senderKeyBytes = createdKey.KeyBytes;
            senderAes.KeyBytes = senderKeyBytes;

            // Encrypt
            byte[] cipherText = new byte[256];

            try
            {
                senderAes.Encrypt(message, ref cipherText);
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Encryption error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Create a string payload to send to the receiver.
            String b64CipherText = Convert.ToBase64String(cipherText);
            Dictionary <String, String> payload = new Dictionary <String, String>
            {
                ["key_id"]         = createdKey.Id,
                ["b64_ciphertext"] = b64CipherText
            };

            Console.WriteLine("CREATED KEYID : " + createdKey.Id);
            Console.WriteLine("CIPHERTEXT    : {0}", BitConverter.ToString(cipherText).Replace("-", String.Empty));

            Console.WriteLine("\nPAYLOAD       : " + JsonDump(payload));

            /*****************************************************************
            * RECEIVER
            *****************************************************************/

            // Imagine that this reciever recieved a 'payload'.
            String payloadKeyId = payload["key_id"];

            // Fetch the key from the payload.
            GetKeysResponse.Key fetchedKey = null;
            try
            {
                fetchedKey = agent.GetKey(payloadKeyId).Keys[0];
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Error fetching payload key {0}: {1}", payloadKeyId, sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Initialize receiver AES CTR cipher object.
            AesCtrCipher receiverAes = new AesCtrCipher();

            byte[] keyBytes = fetchedKey.KeyBytes;
            receiverAes.KeyBytes = keyBytes;

            // Decrypt
            string plainText = null;

            try
            {
                receiverAes.Decrypt(cipherText, ref plainText);
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Decryption error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            Console.WriteLine("\nFETCHED KEYID : " + fetchedKey.Id);
            Console.WriteLine("PLAINTEXT     : {0}", plainText);

            WaitForInput();
            return(0);
        }
Example #5
0
        static int Main(string[] args)
        {
            // The message to encrypt.
            String message = "secret message";

            // Get the user's home path and password persistor from the environment.
            String homePath = Environment.GetEnvironmentVariable("USERPROFILE");

            String persistorPassword = Environment.GetEnvironmentVariable("IONIC_PERSISTOR_PASSWORD");

            if (persistorPassword == null || persistorPassword.Length == 0)
            {
                Console.WriteLine("Please provide the persistor password as env variable: IONIC_PERSISTOR_PASSWORD");
                WaitForInput();
                Environment.Exit(1);
            }

            // Create an agent object to talk to Ionic.
            Agent agent = new Agent();

            // Create a password persistor for agent initialization.
            try
            {
                DeviceProfilePersistorPassword persistor = new DeviceProfilePersistorPassword();
                persistor.FilePath = homePath + "\\.ionicsecurity\\profiles.pw";
                persistor.Password = persistorPassword;

                agent.SetMetadata(Agent.MetaApplicationName, "CryptoChunkCipher Sample");
                agent.Initialize(persistor);
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Agent initialization error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Create single key without attributes.
            CreateKeysResponse.Key key = null;
            try
            {
                key = agent.CreateKey().Keys[0];
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Key creation error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Initialize chunk cipher object.
            ChunkCipherAuto cipher = new ChunkCipherAuto(agent);

            // Encrypt
            string cipherText = null;

            try
            {
                cipher.Encrypt(message, ref cipherText);
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Chunk cipher encrypt error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Decrypt
            string plainText = null;

            try
            {
                cipher.Decrypt(cipherText, ref plainText);
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Chunk cipher decrypt error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Verify encrypt and decrypt worked.
            if (message != plainText)
            {
                Console.WriteLine("Encryption/Decrption does not match!");
                Console.WriteLine("Message: {0} - PlainText: {1}", message, plainText);
                WaitForInput();
                Environment.Exit(1);
            }

            Console.WriteLine("CipherText : {0}", cipherText);
            Console.WriteLine("PlainText  : {0}", plainText);

            WaitForInput();
            return(0);
        }
Example #6
0
        static void Main(string[] args)
        {
            string logFilePath = "../../../../../../sample-data/logs/sample.log";
            bool   appendFile  = false;

            // Log SDK to a file with serverity Debug and above.
            LogBase logger = LogFactory.Instance.CreateSimple(logFilePath, appendFile, LogSeverity.SEV_DEBUG);

            Log.SetSingleton(logger);

            // The message to encrypt.
            String message = "top secret message";

            // Get the user's home path and password persistor from the environment.
            String homePath = Environment.GetEnvironmentVariable("USERPROFILE");

            String persistorPassword = Environment.GetEnvironmentVariable("IONIC_PERSISTOR_PASSWORD");

            if (persistorPassword == null || persistorPassword.Length == 0)
            {
                Console.WriteLine("Please provide the persistor password as env variable: IONIC_PERSISTOR_PASSWORD");
                WaitForInput();
                Environment.Exit(1);
            }

            // Create an agent object to talk to Ionic.
            Agent agent = new Agent();

            // Create a password persistor for agent initialization.
            try
            {
                DeviceProfilePersistorPassword persistor = new DeviceProfilePersistorPassword();
                persistor.FilePath = homePath + "\\.ionicsecurity\\profiles.pw";
                persistor.Password = persistorPassword;

                agent.SetMetadata(Agent.MetaApplicationName, "LogSdkCalls Sample");
                agent.Initialize(persistor);
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Agent initialization error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Create single key without attributes.
            CreateKeysResponse.Key key = null;
            try
            {
                key = agent.CreateKey().Keys[0];
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Key creation error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Initialize chunk cipher object.
            ChunkCipherAuto cipher = new ChunkCipherAuto(agent);

            // Encrypt
            string cipherText = null;

            try
            {
                cipher.Encrypt(message, ref cipherText);
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Chunk cipher encrypt error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Decrypt
            string plainText = null;

            try
            {
                cipher.Decrypt(cipherText, ref plainText);
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Chunk cipher decrypt error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Verify encrypt and decrypt worked.
            if (message != plainText)
            {
                Console.WriteLine("Encryption/Decrption does not match!");
                Console.WriteLine("Message: {0} - PlainText: {1}", message, plainText);
                WaitForInput();
                Environment.Exit(1);
            }

            Console.WriteLine("CipherText : {0}", cipherText);
            Console.WriteLine("PlainText  : {0}", plainText);

            WaitForInput();
        }
Example #7
0
        static int Main(string[] args)
        {
            // Create a unique external ID with the 32 digits separated by hyphens.
            String externalId = Guid.NewGuid().ToString("D").ToUpper();

            // Get the user's home path and password persistor from the environment.
            String homePath = Environment.GetEnvironmentVariable("USERPROFILE");

            String persistorPassword = Environment.GetEnvironmentVariable("IONIC_PERSISTOR_PASSWORD");

            if (persistorPassword == null || persistorPassword.Length == 0)
            {
                Console.WriteLine("Please provide the persistor password as env variable: IONIC_PERSISTOR_PASSWORD");
                WaitForInput();
                Environment.Exit(1);
            }

            // Create an agent object to talk to Ionic.
            Agent agent = new Agent();

            // Create a password persistor for agent initialization.
            try
            {
                DeviceProfilePersistorPassword persistor = new DeviceProfilePersistorPassword();
                persistor.FilePath = homePath + "\\.ionicsecurity\\profiles.pw";
                persistor.Password = persistorPassword;

                agent.SetMetadata(Agent.MetaApplicationName, "CreateKeyWithExternalId Sample");
                agent.Initialize(persistor);
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Agent initialization error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Define ionic-external-id fixed attribute.
            AttributesDictionary fixedKeyAttrs = new AttributesDictionary();

            fixedKeyAttrs.Add("ionic-external-id", new List <string> {
                externalId
            });

            // Define mutable attributes.
            AttributesDictionary mutableKeyAttrs = new AttributesDictionary(); // empty map

            CreateKeysResponse.Key key = null;

            // Create single key with fixed attributes
            try
            {
                key = agent.CreateKey(fixedKeyAttrs, mutableKeyAttrs).Keys[0];
            }
            catch (SdkException sdkExp
                   )
            {
                Console.WriteLine("Key creation error: {0}", sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            Console.WriteLine("Key ID             : " + key.Id);
            Console.WriteLine("Key Bytes          : " + BitConverter.ToString(key.KeyBytes).Replace("-", String.Empty));
            Console.WriteLine("Fixed Attributes   : " + JsonDump(key.Attributes));
            Console.WriteLine("Mutable Attributes : " + JsonDump(key.MutableAttributes));

            WaitForInput();
            return(0);
        }
Example #8
0
        static void Main(string[] args)
        {
            // Get the user's home path and password persistor from the environment.
            String homePath = Environment.GetEnvironmentVariable("USERPROFILE");

            String persistorPassword = Environment.GetEnvironmentVariable("IONIC_PERSISTOR_PASSWORD");

            if (persistorPassword == null || persistorPassword.Length == 0)
            {
                Console.WriteLine("Please provide the persistor password as env variable: IONIC_PERSISTOR_PASSWORD");
                WaitForInput();
                Environment.Exit(1);
            }

            // Create a blank agent.
            Agent agent = new Agent();

            // Create a password persistor and intialize agent.
            try
            {
                DeviceProfilePersistorPassword persistor = new DeviceProfilePersistorPassword();
                persistor.FilePath = homePath + "\\.ionicsecurity\\profiles.pw";
                persistor.Password = persistorPassword;

                agent.Initialize(persistor);
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Agent initialization error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Set the application metadata.
            try
            {
                agent.SetMetadata(Agent.MetaApplicationName, "Ionic Agents Tutorial");
                agent.SetMetadata(Agent.MetaApplicationVersion, "1.0.0");
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Error setting the application metadata: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Create a single key.
            CreateKeysResponse.Key key = null;
            try
            {
                key = agent.CreateKey().Keys[0];
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Create key error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Display the newly created key ID.
            Console.WriteLine("CREATED NEW KEY  : " + key.Id);

            WaitForInput();
        }
Example #9
0
        static int Main(string[] args)
        {
            // Get the user's home path and password persistor from the environment.
            String homePath = Environment.GetEnvironmentVariable("USERPROFILE");

            String persistorPassword = Environment.GetEnvironmentVariable("IONIC_PERSISTOR_PASSWORD");

            if (persistorPassword == null || persistorPassword.Length == 0)
            {
                Console.WriteLine("Please provide the persistor password as env variable: IONIC_PERSISTOR_PASSWORD");
                WaitForInput();
                Environment.Exit(1);
            }

            // Create an agent object to talk to Ionic.
            Agent agent = new Agent();

            // Create a password persistor for agent initialization.
            try
            {
                DeviceProfilePersistorPassword persistor = new DeviceProfilePersistorPassword();
                persistor.FilePath = homePath + "\\.ionicsecurity\\profiles.pw";
                persistor.Password = persistorPassword;

                agent.Initialize(persistor);
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Agent initialization error: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Set the application metadata.
            try
            {
                agent.SetMetadata(Agent.MetaApplicationName, "Ionic Keys Tutorial");
                agent.SetMetadata(Agent.MetaApplicationVersion, "1.0.0");
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Error setting the application metadata: " + sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Define fixed attributes.
            AttributesDictionary fixedKeyAttrs = new AttributesDictionary();

            fixedKeyAttrs.Add("data-type", new List <string> {
                "Finance"
            });
            fixedKeyAttrs.Add("region", new List <string> {
                "North America"
            });

            // Define mutable keys.
            AttributesDictionary mutableKeyAttrs = new AttributesDictionary();

            mutableKeyAttrs.Add("classification", new List <string> {
                "Restricted"
            });
            mutableKeyAttrs.Add("designated_owner", new List <string> {
                "*****@*****.**"
            });

            // Create single key with fixed attributes.
            CreateKeysResponse.Key createdKey = null;
            try
            {
                createdKey = agent.CreateKey(fixedKeyAttrs, mutableKeyAttrs).Keys[0];
            }
            catch (SdkException sdkExp
                   )
            {
                Console.WriteLine("Key creation error: {0}", sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Display the created key information.
            Console.WriteLine("\nNEW KEY:");
            Console.WriteLine("Key ID             : " + createdKey.Id);
            Console.WriteLine("Key Bytes          : " + BitConverter.ToString(createdKey.KeyBytes).Replace("-", String.Empty));
            Console.WriteLine("Fixed Attributes   : " + JsonDump(createdKey.Attributes));
            Console.WriteLine("Mutable Attributes : " + JsonDump(createdKey.MutableAttributes));

            // Fetch a single key from the agent.
            GetKeysResponse.Key fetchedKey = null;
            try
            {
                fetchedKey = agent.GetKey(createdKey.Id).Keys[0];
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Error fetching key {0}: {1}", createdKey.Id, sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Display the fetched key information.
            Console.WriteLine("\nFETCHED KEY:");
            Console.WriteLine("Key ID             : " + fetchedKey.Id);
            Console.WriteLine("Key Bytes          : " + BitConverter.ToString(fetchedKey.KeyBytes).Replace("-", String.Empty));
            Console.WriteLine("Fixed Attributes   : " + JsonDump(fetchedKey.Attributes));
            Console.WriteLine("Mutable Attributes : " + JsonDump(fetchedKey.MutableAttributes));

            // Merge new and existing mutable attributes.
            AttributesDictionary updatedMutableKeyAttrs = fetchedKey.MutableAttributes;

            updatedMutableKeyAttrs["classification"] = new List <string> {
                "Highly Restricted"
            };

            // Create the update key request.
            bool forceUpdate = false;
            UpdateKeysRequest updateKeysRequest = new UpdateKeysRequest();

            UpdateKeysRequest.Key updateKey = new UpdateKeysRequest.Key(fetchedKey, forceUpdate);
            updateKey.MutableAttributes = updatedMutableKeyAttrs;
            updateKeysRequest.addKey(updateKey);

            // Update the key attributes on the agent.
            UpdateKeysResponse.Key updatedKey = null;
            try
            {
                updatedKey = agent.UpdateKeys(updateKeysRequest).Keys[0];
            }
            catch (SdkException sdkExp)
            {
                Console.WriteLine("Error updating key {0}: {1}", fetchedKey.Id, sdkExp.Message);
                WaitForInput();
                Environment.Exit(1);
            }

            // Display the updated key information.
            Console.WriteLine("\nUPDATED KEY:");
            Console.WriteLine("Key ID             : " + updatedKey.Id);
            Console.WriteLine("Key Bytes          : " + BitConverter.ToString(updatedKey.KeyBytes).Replace("-", String.Empty));
            Console.WriteLine("Fixed Attributes   : " + JsonDump(updatedKey.Attributes));
            Console.WriteLine("Mutable Attributes : " + JsonDump(updatedKey.MutableAttributes));

            WaitForInput();
            return(0);
        }