private static void TestHybridWithIntegrityAndSignatures()
{
const string original = "Very secret and important information that must not fall in the hands of the enemy.";
var rsaParams = new RSAWithRSAParameterKey();
rsaParams.AssignNewKey();
var fullHybridEncryption = new FullHybridEncryption();
var digitalSignature = new DigitalSignatureFuncs();
digitalSignature.AssignNewKey();
try
{
var encryptedBlock = fullHybridEncryption.EncryptData(Encoding.UTF8.GetBytes(original), rsaParams, digitalSignature);
var decryptedBlock = fullHybridEncryption.DecryptData(encryptedBlock, rsaParams, digitalSignature);
Console.WriteLine($"Original Message: {original}");
Console.WriteLine($"Encrypted Block Data: {Convert.ToBase64String(encryptedBlock.EncryptedData)}");
Console.WriteLine($"Decrypted Block: {Convert.ToBase64String(decryptedBlock)}");
Console.WriteLine($"Decrypted Message: {Encoding.UTF8.GetString(decryptedBlock)}");
}
catch (CryptographicException ex)
{
Console.WriteLine($"Cryptographic Exception occured: {ex.Message}");
}
}
private static void TestRSAWithRSAParameterKey()
{
var rsaParams = new RSAWithRSAParameterKey();
const string original = "Text to encrypt";
rsaParams.AssignNewKey();
var encryptedRSAParams = rsaParams.EncryptData(Encoding.UTF8.GetBytes(original));
var decryptedRSAParams = rsaParams.DecryptData(encryptedRSAParams);
Console.WriteLine($"Original Text: {original}");
Console.WriteLine($"Encrypted RSA Params: {Convert.ToBase64String(encryptedRSAParams)}");
Console.WriteLine($"Decrypted RSA Params: {Convert.ToBase64String(decryptedRSAParams)}");
Console.WriteLine($"Decrypted Text: {Encoding.Default.GetString(decryptedRSAParams)}");
}
private static void TestHybrid()
{
const string original = "Very secret and important information that must not fall in the hands of the enemy.";
var rsaParams = new RSAWithRSAParameterKey();
rsaParams.AssignNewKey();
var hybrid = new HybridEncryption();
var encryptedBlock = hybrid.EncryptData(Encoding.UTF8.GetBytes(original), rsaParams);
var decryptedBlock = hybrid.DecryptData(encryptedBlock, rsaParams);
Console.WriteLine($"Original Message: {original}");
Console.WriteLine($"Encrypted Block Data: {Convert.ToBase64String(encryptedBlock.EncryptedData)}");
Console.WriteLine($"Decrypted Block: {Convert.ToBase64String(decryptedBlock)}");
Console.WriteLine($"Decrypted Message: {Encoding.UTF8.GetString(decryptedBlock)}");
}