private static void aesEncrypterText(CryptobyConsole console)
{
scanner = new Scanner(java.lang.System.@in);
scanner.useDelimiter("\n");
// Input your String Text to encrypt
Console.Out.WriteLine("\nYour Text to encrypt (Type '" + quit + "' to Escape):"
);
if (scanner.hasNext(quit))
{
aesCrypterText(console);
}
plainByte = Encoding.UTF8.GetBytes(scanner.next());
// Input your Key for encryption
key = scanKeyText(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);
// Convert byte Array into a Hexcode String
charTextHex = CryptobyHelper.bytesToHexStringUpper(cryptByte).ToCharArray();
// Print encrypted Text in Hex Block form
Console.Out.WriteLine("\nEncryption successfull...");
Console.Out.WriteLine(CryptobyHelper.printHexBlock("AES", keySize, charTextHex
));
// Back to Text Crypter Menu
Console.Out.WriteLine("\nGo back to AES Text Crypter Menu: Press Enter");
CryptobyHelper.pressEnter();
aesCrypterText(console);
}
public virtual void testCharToBlockString()
{
System.Console.Out.WriteLine("charToBlockString");
byte[] cryptByte = Encoding.UTF8.GetBytes("TestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTest"
);
char[] charTextHex = CryptobyHelper.bytesToHexStringUpper(cryptByte).ToCharArray(
);
string result = CryptobyHelper.charToBlockString(charTextHex);
System.Console.Out.WriteLine(result);
}
public virtual void testPrintHexBlock()
{
System.Console.Out.WriteLine("printHexBlock");
byte[] cryptByte = Encoding.UTF8.GetBytes("TestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTest"
);
char[] inputCharTextHex = CryptobyHelper.bytesToHexStringUpper(cryptByte).ToCharArray
();
string cryptType = "RSA";
int inputKeySize = 1024;
string result = CryptobyHelper.printHexBlock(cryptType, inputKeySize, inputCharTextHex
);
System.Console.Out.WriteLine(result);
}
private static void rsaEncrypterText(CryptobyConsole console)
{
// Input your String Text to encrypt
plainByte = scanPlainText(console);
// Input the Public Key to encrypt
publicKeyByte = scanPublicKey(console);
// Initial RSA Crypt Object
initRSAKeyGen(console);
// Encrypt the String Text with given Key
Console.Out.WriteLine("\nEncryption in progress...");
cryptByte = console.getCore().getCryptAsym().encrypt(plainByte, publicKeyByte);
Console.Out.WriteLine("\nEncryption successfull...");
// Convert byte Array into a Hexcode String
charTextHex = CryptobyHelper.bytesToHexStringUpper(cryptByte).ToCharArray();
// Print encrypted Text in Hex Block form
Console.Out.WriteLine(CryptobyHelper.printHexBlock("RSA", keySize, charTextHex
));
// Back to Menu rsaCrypter with Enter (Return) Key
Console.Out.WriteLine("\nGo back to RSA Text Crypter Menu: Press Enter");
CryptobyHelper.pressEnter();
rsaCrypterText(console);
}
public virtual void testEncryptDecrypt256_CBC()
{
System.Console.Out.WriteLine("encrypt and decrypt recurring words");
byte[] plainInput = Encoding.UTF8.GetBytes("TestTestTestTestTestTestTestTestTestTestTestTestTestTestTestTest"
);
KeyGenSHA3 keyGen = new KeyGenSHA3();
string hexKey = keyGen.generateKey(256, "password");
byte[] bKey = CryptobyHelper.hexStringToBytes(hexKey);
CryptAES instance = new CryptAES();
byte[] expResult = plainInput;
byte[] result = instance.encrypt(plainInput, bKey);
string resString = CryptobyHelper.bytesToHexStringUpper(result);
for (int i = 0; i < resString.Length - 32; i += 32)
{
Assert.IsFalse(resString.Substring(i, 32).Equals
(resString.Substring(i + 32, 32)));
}
result = instance.decrypt(result, bKey);
Assert.AreEqual(expResult, result);
}
private static void rsaEncGenKeysText(CryptobyConsole console)
{
scanner = new Scanner(java.lang.System.@in);
string privateKey;
string publicKey;
// 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:
{
rsaCrypterText(console);
break;
}
default:
{
rsaEncGenKeysText(console);
break;
}
}
// Input your String Text to encrypt
plainByte = scanPlainText(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
publicKey = console.getCore().getKeyGenAsym().getPublicKey();
privateKey = console.getCore().getKeyGenAsym().getPrivateKey();
// Encrypt the String Text with given Key
Console.Out.WriteLine("\nEncryption in progress...");
cryptByte = console.getCore().getCryptAsym().encrypt(plainByte, publicKeyByte);
Console.Out.WriteLine("\nEncryption successfull...");
// Convert crypted byte Array into a Hexcode String
charTextHex = CryptobyHelper.bytesToHexStringUpper(cryptByte).ToCharArray();
// Print encrypted Text in Hex Block form
Console.Out.WriteLine(CryptobyHelper.printHexBlock("RSA", keySize, charTextHex
));
// Print Private Keys
Console.Out.WriteLine(CryptobyHelper.printPrivateKeyBlock(privateKey));
// Print Public Keys
Console.Out.WriteLine(CryptobyHelper.printPublicKeyBlock(publicKey));
// Back to Menu rsaCrypter with Enter (Return) Key
Console.Out.WriteLine("\nGo back to RSA Text Crypter Menu: Press Enter");
CryptobyHelper.pressEnter();
rsaCrypterText(console);
}
