public void Encrypt(EncryptArgs args)
{
IFileHandler publicKeyFileHandler = new FileHandler(args.PublicKeyFileName);
IFileHandler unEncryptedFileHandler = new FileHandler(args.UnencryptedFileName);
IFileHandler encryptedFileHandler = new FileHandler(args.EncryptedFileName);
var cryptography = new RsaCrypoProvider();
string publicKey = publicKeyFileHandler.ReadFile();
string unencryptedText = unEncryptedFileHandler.ReadFile();
Byte[] encryptedBytes = cryptography.Encrypt(publicKey, unencryptedText);
if (args.ShowKeys)
{
Console.WriteLine("Public Key: ");
Console.WriteLine(publicKey);
Console.WriteLine();
Console.WriteLine("Unencrypted: ");
Console.WriteLine(unencryptedText);
Console.WriteLine();
Console.WriteLine("Encrypted: ");
string encryptedText = Encoding.Unicode.GetString(encryptedBytes);
Console.WriteLine(encryptedText);
return;
}
encryptedFileHandler.WriteToFile(encryptedBytes, 0, encryptedBytes.Length);
}
public void Decrypt(DecryptArgs args)
{
IFileHandler privateKeyFileHandler = new FileHandler(args.PrivateKeyFileName);
IFileHandler unEncryptedFileHandler = new FileHandler(args.UnencryptedFileName);
IFileHandler encryptedFileHandler = new FileHandler(args.EncryptedFileName);
var cryptography = new RsaCrypoProvider();
string privateKey = privateKeyFileHandler.ReadFile();
Byte[] encryptedBytes = encryptedFileHandler.ReadEncryptedFile();
string decryptedText = cryptography.Decrypt(privateKey, encryptedBytes);
if (args.ShowKeys)
{
Console.WriteLine("Decrypted: ");
Console.WriteLine(decryptedText);
return;
}
if (args.ShowKeys)
{
string encryptedText = Encoding.Default.GetString(encryptedBytes);
Console.WriteLine("Encrypted: ");
Console.WriteLine(encryptedText);
Console.WriteLine();
Console.WriteLine("Decrypted: ");
Console.WriteLine(decryptedText);
return;
}
unEncryptedFileHandler.WriteToFile(decryptedText);
}
public void GenerateKeys(GenerateKeyArgs args)
{
IFileHandler publicKeyFileHandler = new FileHandler(args.PublicKeyFileName);
IFileHandler privateKeyFileHandler = new FileHandler(args.PrivateKeyFileName);
var cryptography = new RsaCrypoProvider();
PrivatePublicKeyPair keyPair = cryptography.GeneratePrivatePublicKeys();
if (args.ShowKeys)
{
Console.WriteLine("Private Key: ");
Console.WriteLine(keyPair.PrivateKey);
Console.WriteLine();
Console.WriteLine("Public Key: ");
Console.WriteLine(keyPair.PublicKey);
return;
}
publicKeyFileHandler.WriteToFile(keyPair.PublicKey);
privateKeyFileHandler.WriteToFile(keyPair.PrivateKey);
}
