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);
}
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, "CryptoAesCtr 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 CTR cipher object.
AesCtrCipher aes = new AesCtrCipher();
aes.KeyBytes = keyBytes;
// 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);
}
