private static void aesEncrypterFile(CryptobyConsole console)
{
// Input Path to File for encryption
scanner = new Scanner(java.lang.System.@in);
Console.Out.WriteLine("Enter Path to File for encryption (Type '" + quit +
"' to Escape):");
scanner.useDelimiter("\n");
if (scanner.hasNext(quit))
{
aesCrypterFile(console);
}
plainFilePath = scanner.next();
// Get Bytes from PlainFile
try
{
plainByte = CryptobyFileManager.getBytesFromFile(plainFilePath);
}
catch (System.IO.IOException)
{
CryptobyHelper.printIOExp();
aesCrypterFile(console);
}
// Input Path saving Path
scanner = new Scanner(java.lang.System.@in);
Console.Out.WriteLine("Enter Path to save encrypted File (Type '" + quit +
"' to Escape):");
scanner.useDelimiter("\n");
if (scanner.hasNext(quit))
{
aesCrypterFile(console);
}
cryptFilePath = scanner.next();
// Input Key File for encryption
key = scanKeyFile(console);
// Initial AES Crypt Object
initAESKeyGen(console);
// Encrypt the String Text with given Key
Console.Out.WriteLine("\nEncrypting in progress...");
cryptByte = console.getCore().getCryptSym().encrypt(plainByte, key);
Console.Out.WriteLine("\nEncryption successfull. Saving File now...");
//Put encrypted Bytes to File
try
{
CryptobyFileManager.putBytesToFile(cryptFilePath, cryptByte);
}
catch (System.IO.IOException ex)
{
Logger.getLogger(typeof(RsaUI).FullName).log(Level.SEVERE, null, ex);
}
Console.Out.WriteLine("\nEncrypted File saved to this Path:");
Console.Out.WriteLine(cryptFilePath);
// Reset Variables
initAESKeyGen(console);
cryptByte = null;
plainByte = null;
key = null;
// Back to File Crypter Menu
Console.Out.WriteLine("\nGo back to AES File Crypter Menu: Press Enter");
CryptobyHelper.pressEnter();
aesCrypterFile(console);
}
private static void aesDecrypterFile(CryptobyConsole console)
{
// Input Path to File for decryption
scanner = new Scanner(java.lang.System.@in);
Console.Out.WriteLine("Enter Path to decrypt a File (Type '" + quit + "' to Escape):"
);
scanner.useDelimiter("\n");
if (scanner.hasNext(quit))
{
aesCrypterFile(console);
}
cryptFilePath = scanner.next();
try
{
// Get Bytes from PlainFile
cryptByte = CryptobyFileManager.getBytesFromFile(cryptFilePath);
}
catch (System.IO.IOException)
{
CryptobyHelper.printIOExp();
aesCrypterFile(console);
}
// Input Path saving Path
scanner = new Scanner(java.lang.System.@in);
Console.Out.WriteLine("Enter Path to save decrypted File (Type '" + quit +
"' to Escape):");
scanner.useDelimiter("\n");
if (scanner.hasNext(quit))
{
aesCrypterFile(console);
}
plainFilePath = scanner.next();
// Input your Key for encryption
key = scanKeyFile(console);
// Initial AES Crypt Object
initAESKeyGen(console);
// Decrypt the String Text with given Key
Console.Out.WriteLine("\nDecrypting in progress...");
try
{
plainByte = console.getCore().getCryptSym().decrypt(cryptByte, key);
}
catch (Exception)
{
Console.Out.WriteLine("\nUnable to decrypt this String!!");
// Enter for Continues
CryptobyHelper.pressEnter();
aesCrypterFile(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();
aesCrypterFile(console);
}
Console.Out.WriteLine("\nDecrypted File saved to this Path:");
Console.Out.WriteLine(plainFilePath);
// Reset Variables
initAESKeyGen(console);
cryptByte = null;
plainByte = null;
key = null;
// Back to File Crypter Menu
Console.Out.WriteLine("\nGo back to AES File Crypter Menu: Press Enter");
CryptobyHelper.pressEnter();
aesCrypterFile(console);
}
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);
}
private static void rsaEncGenKeysFile(CryptobyConsole console)
{
scanner = new Scanner(java.lang.System.@in);
// Set Default Key Size
keySize = 1024;
do
{
Console.Out.WriteLine("\n");
Console.Out.WriteLine("Choose Key Size in Bit");
Console.Out.WriteLine("----------------------\n");
Console.Out.WriteLine("1 - 1024");
Console.Out.WriteLine("2 - 2048");
Console.Out.WriteLine("3 - 4096");
Console.Out.WriteLine("4 - Back");
Console.Out.Write("Enter Number: ");
while (!scanner.hasNextInt())
{
Console.Out.Write("That's not a number! Enter 1,2,3 or 4: ");
scanner.next();
}
choice = scanner.nextInt();
}while (choice < 1 || choice > 4);
switch (choice)
{
case 1:
{
keySize = 1024;
break;
}
case 2:
{
keySize = 2048;
break;
}
case 3:
{
keySize = 4096;
break;
}
case 4:
{
rsaCrypterFile(console);
break;
}
default:
{
rsaEncGenKeysFile(console);
break;
}
}
// Input Path to File for encryption
scanner = new Scanner(java.lang.System.@in);
Console.Out.WriteLine("Enter Path to File for encryption (Type '" + quit +
"' to Escape):");
scanner.useDelimiter("\n");
if (scanner.hasNext(quit))
{
rsaCrypterFile(console);
}
plainFilePath = scanner.next();
// Input Path to File for encryption
scanner = new Scanner(java.lang.System.@in);
Console.Out.WriteLine("Enter Path to saving encrypted File (Type '" + quit
+ "' to Escape):");
scanner.useDelimiter("\n");
if (scanner.hasNext(quit))
{
rsaCrypterFile(console);
}
cryptFilePath = scanner.next();
// Input Path for saving Private Key
scanner = new Scanner(java.lang.System.@in);
Console.Out.WriteLine("Enter Path to saving Private Key (Type '" + quit +
"' to Escape):");
scanner.useDelimiter("\n");
if (scanner.hasNext(quit))
{
rsaCrypterFile(console);
}
privateKeyPath = scanner.next();
// Input Path for saving Public Key
scanner = new Scanner(java.lang.System.@in);
Console.Out.WriteLine("Enter Path to saving Public Key (Type '" + quit + "' to Escape):"
);
scanner.useDelimiter("\n");
publicKeyPath = scanner.next();
// Get Bytes from PlainFile
try
{
plainByte = CryptobyFileManager.getBytesFromFile(plainFilePath);
}
catch (System.IO.IOException)
{
CryptobyHelper.printIOExp();
rsaCrypterFile(console);
}
// Initial RSA Crypt Object
initRSAKeyGen(console);
// Get Public Key in Bytecode
Console.Out.WriteLine("\nGenerate Private and Public RSA Keys...");
console.getCore().getKeyGenAsym().initGenerator(keySize);
publicKeyByte = console.getCore().getKeyGenAsym().getPublicKeyByte();
// Get Public and Private Key as String
string publicKey = console.getCore().getKeyGenAsym().getPublicKey();
string privateKey = console.getCore().getKeyGenAsym().getPrivateKey();
// Encrypt the File with given Key
Console.Out.WriteLine("\nEncryption in progress...");
cryptByte = console.getCore().getCryptAsym().encrypt(plainByte, publicKeyByte);
Console.Out.WriteLine("\nEncryption successfull. Saving File now...");
//Put encrypted Bytes to File
try
{
CryptobyFileManager.putBytesToFile(cryptFilePath, cryptByte);
}
catch (System.IO.IOException)
{
CryptobyHelper.printIOExp();
rsaCrypterFile(console);
}
Console.Out.WriteLine("\nEncrypted File saved to this Path:");
Console.Out.WriteLine(cryptFilePath);
//Put private Key to File
try
{
CryptobyFileManager.putKeyToFile(privateKeyPath, privateKey);
}
catch (System.IO.IOException)
{
CryptobyHelper.printIOExp();
rsaCrypterFile(console);
}
Console.Out.WriteLine("\nPrivate Key File saved to this Path:");
Console.Out.WriteLine(privateKeyPath);
//Put public Key to File
try
{
CryptobyFileManager.putKeyToFile(publicKeyPath, publicKey);
}
catch (System.IO.IOException)
{
CryptobyHelper.printIOExp();
rsaCrypterFile(console);
}
Console.Out.WriteLine("\nPublic Key File saved to this Path:");
Console.Out.WriteLine(publicKeyPath);
// 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 testGetAndPutByteFiles()
{
System.Console.Out.WriteLine("Put Plaintext, get Plainfile, encrypt and decrypt Byte Files");
for (int i = 1; i < 100; i += 3)
{
string filePathPlain = "test.txt";
string filePathEnc = "test.cty";
string filePathDec = "test2.txt";
int keySize = 1024;
byte[] testBytes = new byte[i * 100 + i];
new Random().nextBytes(testBytes);
CryptobyClient client = new CryptobyClient();
CryptobyCore core = new CryptobyCore(client);
CryptRSA rsa = new CryptRSA();
KeyGenRSA generator = new KeyGenRSA(core);
try
{
CryptobyFileManager.putBytesToFile(filePathPlain, testBytes);
}
catch (IOException ex) {
Logger.getLogger(typeof(CryptobyFileManagerTest).FullName).log(Level.SEVERE, null
, ex);
}
generator.initGenerator(keySize);
byte[] publicKey = generator.getPublicKeyByte();
byte[] privateKey = generator.getPrivateKeyByte();
byte[] plainInput = null;
try
{
plainInput = CryptobyFileManager.getBytesFromFile(filePathPlain);
}
catch (IOException ex)
{
Logger.getLogger(typeof(CryptobyFileManagerTest).FullName).log(Level.SEVERE, null
, ex);
}
Assert.AreEqual(testBytes, plainInput);
byte[] encrypt = rsa.encrypt(plainInput, publicKey);
// Put encrypted Bytes from File
try
{
CryptobyFileManager.putBytesToFile(filePathEnc, encrypt);
}
catch (IOException ex)
{
Logger.getLogger(typeof(CryptobyFileManagerTest).FullName).log(Level.SEVERE, null
, ex);
}
// Get encrypted Bytes from File
byte[] fileEncrypt = null;
try
{
fileEncrypt = CryptobyFileManager.getBytesFromFile(filePathEnc);
}
catch (IOException ex)
{
Logger.getLogger(typeof(CryptobyFileManagerTest).FullName).log(Level.SEVERE, null
, ex);
}
Assert.AreEqual(fileEncrypt, encrypt);
byte[] decrypt = rsa.decrypt(fileEncrypt, privateKey);
Assert.AreEqual(testBytes, decrypt);
try
{
CryptobyFileManager.putBytesToFile(filePathDec, decrypt);
}
catch (IOException ex)
{
Logger.getLogger(typeof(CryptobyFileManagerTest).FullName).log(Level.SEVERE, null
, ex);
}
}
}
public void testRead100FromFile()
{
file100 = CryptobyFileManager.getBytesFromFile(filePath);
file100 = null;
}
