private static byte[] scanKeyFile(CryptobyConsole console)
{
scanner = new Scanner(java.lang.System.@in);
byte[] tempKey = null;
do
{
Console.Out.WriteLine("\nAllowed Key Sizes 128,192 and 256 Bit.");
Console.Out.WriteLine("Enter Path to Key File (Type '" + quit + "' to Escape):"
);
if (scanner.hasNext(quit))
{
aesCrypterFile(console);
}
keyPath = scanner.next();
try
{
tempKey = CryptobyFileManager.getKeyFromFile(keyPath);
}
catch (System.IO.IOException)
{
CryptobyHelper.printIOExp();
aesCrypterFile(console);
}
catch (FormatException)
{
Console.Out.WriteLine("Key File format is not correct!");
aesCrypterFile(console);
}
keySize = tempKey.Length * 4;
}while (keySize != 128 && keySize != 192 && keySize != 256);
return(tempKey);
}
private static void rsaDecrypterFile(CryptobyConsole console)
{
// Input Path to File for decryption
scanner = new Scanner(java.lang.System.@in);
Console.Out.WriteLine("Enter Path to File for Decryption (Type '" + quit +
"' to Escape):");
scanner.useDelimiter("\n");
if (scanner.hasNext(quit))
{
rsaCrypterFile(console);
}
cryptFilePath = scanner.next();
// Get Bytes from PlainFile
try
{
cryptByte = CryptobyFileManager.getBytesFromFile(cryptFilePath);
}
catch (System.IO.IOException)
{
CryptobyHelper.printIOExp();
rsaCrypterFile(console);
}
// Input Path saving Path
scanner = new Scanner(java.lang.System.@in);
Console.Out.WriteLine("Enter saving Path for decrypted File (Type '" + quit
+ "' to Escape):");
scanner.useDelimiter("\n");
if (scanner.hasNext(quit))
{
rsaCrypterFile(console);
}
plainFilePath = scanner.next();
// Input Path to Key File for decryption
scanner = new Scanner(java.lang.System.@in);
Console.Out.WriteLine("Enter Path to Private Key File (Type '" + quit + "' to Escape):"
);
scanner.useDelimiter("\n");
if (scanner.hasNext(quit))
{
rsaCrypterFile(console);
}
privateKeyPath = scanner.next();
// Get Bytes from Private Key File
try
{
privateKeyByte = CryptobyFileManager.getKeyFromFile(privateKeyPath);
}
catch (System.IO.IOException)
{
CryptobyHelper.printIOExp();
rsaCrypterFile(console);
}
catch (FormatException)
{
Console.Out.WriteLine("Key File format is not correct!");
rsaCrypterFile(console);
}
// Initial RSA Crypt Object
initRSAKeyGen(console);
// Encrypt the File with given Key
Console.Out.WriteLine("\nDecryption in progress...");
try
{
plainByte = console.getCore().getCryptAsym().decrypt(cryptByte, privateKeyByte);
}
catch (Exception)
{
Console.Out.WriteLine("\nUnable to decrypt this File!!");
plainByte = null;
// Press Return for Continues
CryptobyHelper.pressEnter();
rsaCrypterFile(console);
}
Console.Out.WriteLine("\nDecryption finished. Saving File now...");
try
{
//Put encrypted Bytes to File
CryptobyFileManager.putBytesToFile(plainFilePath, plainByte);
}
catch (System.IO.IOException)
{
CryptobyHelper.printIOExp();
rsaCrypterFile(console);
}
Console.Out.WriteLine("\nDecrypted File saved to this Path:");
Console.Out.WriteLine(plainFilePath);
// Reset Variables
initRSAKeyGen(console);
cryptByte = null;
plainByte = null;
publicKeyByte = null;
// Back to Menu rsaCrypter with Enter (Return) Key
Console.Out.WriteLine("\nGo back to RSA File Crypter Menu: Press Enter");
CryptobyHelper.pressEnter();
rsaCrypterFile(console);
}
public virtual void testPutAndGetKey()
{
System.Console.Out.WriteLine("Put and Get Keys");
string publicKeyFilePath = "publicKey.pub";
string privateKeyFilePath = "privateKey.prv";
int keySize = 1024;
CryptobyClient client = new CryptobyClient();
CryptobyCore core = new CryptobyCore(client);
KeyGenRSA generator = new KeyGenRSA(core);
generator.initGenerator(keySize);
byte[] publicKeyByte = generator.getPublicKeyByte();
byte[] privateKeyByte = generator.getPrivateKeyByte();
string publicKey = generator.getPublicKey();
string privateKey = generator.getPrivateKey();
try
{
CryptobyFileManager.putKeyToFile(publicKeyFilePath, publicKey);
}
catch (IOException ex)
{
Logger.getLogger(typeof(CryptobyFileManagerTest).FullName).log(Level.SEVERE, null
, ex);
}
try
{
CryptobyFileManager.putKeyToFile(privateKeyFilePath, privateKey);
}
catch (IOException ex)
{
Logger.getLogger(typeof(CryptobyFileManagerTest).FullName).log(Level.SEVERE, null
, ex);
}
byte[] resultPublic = null;
try
{
resultPublic = CryptobyFileManager.getKeyFromFile(publicKeyFilePath);
}
catch (IOException ex)
{
Logger.getLogger(typeof(CryptobyFileManagerTest).FullName).log(Level.SEVERE, null
, ex);
}
byte[] resultPrivate = null;
try
{
resultPrivate = CryptobyFileManager.getKeyFromFile(privateKeyFilePath);
}
catch (IOException ex)
{
Logger.getLogger(typeof(CryptobyFileManagerTest).FullName).log(Level.SEVERE, null
, ex);
}
Assert.AreEqual(publicKeyByte, resultPublic);
Assert.AreEqual(privateKeyByte, resultPrivate);
Assert.AreEqual(publicKey, CryptobyHelper.bytesToHexString(resultPublic
));
Assert.AreEqual(privateKey, CryptobyHelper.bytesToHexString(resultPrivate
));
}