static void Main()
{
const string original = "abcdefghijklmnopqrstvwxyz 123456789 !#@&|";
var hybrid = new HybridEncryption();
var rsaParams = new RSAWithRSAParameterKey();
rsaParams.AssignNewKey();
Console.WriteLine("Hybrid Encryption with Integrity Check Demonstration in .NET");
Console.WriteLine("------------------------------------------------------------");
Console.WriteLine();
try
{
var encryptedBlock = hybrid.EncryptData(Encoding.UTF8.GetBytes(original), rsaParams);
var decrpyted = hybrid.DecryptData(encryptedBlock, rsaParams);
Console.WriteLine("Original Message = " + original);
Console.WriteLine();
Console.WriteLine("Message After Decryption = " + Encoding.UTF8.GetString(decrpyted));
}
catch (CryptographicException ex)
{
Console.WriteLine("Error : " + ex.Message);
}
Console.ReadLine();
}
static void Main()
{
const string original = "Very secret and important information that can not fall into the wrong hands.";
var hybrid = new HybridEncryption();
var rsaParams = new RSAWithRSAParameterKey();
rsaParams.AssignNewKey();
var digitalSignature = new DigitalSignature();
digitalSignature.AssignNewKey();
Console.WriteLine();
try
{
var encryptedBlock = hybrid.EncryptData(Encoding.UTF8.GetBytes(original), rsaParams,
digitalSignature);
var decrpyted = hybrid.DecryptData(encryptedBlock, rsaParams, digitalSignature);
Console.WriteLine("Original Message = " + original);
Console.WriteLine();
Console.WriteLine("Message After Decryption = " + Encoding.UTF8.GetString(decrpyted));
}
catch (CryptographicException ex)
{
Console.WriteLine("Error : " + ex.Message);
}
Console.ReadLine();
}
private static void RsaWithRsaParameterKey()
{
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();
Console.WriteLine("In Memory Key");
Console.WriteLine();
Console.WriteLine(" Original Text = " + original);
Console.WriteLine();
Console.WriteLine(" Encrypted Text = " + Convert.ToBase64String(encryptedRsaParams));
Console.WriteLine();
Console.WriteLine(" Decrypted Text = " + Encoding.Default.GetString(decryptedRsaParams));
Console.WriteLine();
Console.WriteLine();
}
