/// <param name="console"></param>
public static void genRSAKeysFile(CryptobyConsole console)
{
Scanner scanner = new Scanner(java.lang.System.@in);
string privateKeyPath;
string publicKeyPath;
// Initial Variables
int keySize;
int choice;
string publicKey;
string privateKey;
// Set Default Key Size
keySize = 1024;
do
{
Console.Out.WriteLine("\n");
Console.Out.WriteLine("Choose Key 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.WriteLine("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:
{
console.menuGenKey();
break;
}
default:
{
console.menuGenKey();
break;
}
}
// Input Path for saving Private Key
Console.Out.WriteLine("Enter Path to saving Private Key (Type '" + quit +
"' to Escape):");
scanner.useDelimiter("\n");
if (scanner.hasNext(quit))
{
RsaUI.rsaCrypterFile(console);
}
privateKeyPath = scanner.next();
// Input Path for saving Public Key
Console.Out.WriteLine("Enter Path to saving Public Key (Type '" + quit + "' to Escape):"
);
scanner.useDelimiter("\n");
publicKeyPath = scanner.next();
// Initial Key Generator
console.getCore().getClient().setKeyAsymArt("RSA");
console.getCore().initAsymKey();
// Generate Keys
console.getCore().getKeyGenAsym().initGenerator(keySize);
publicKey = console.getCore().getKeyGenAsym().getPublicKey();
privateKey = console.getCore().getKeyGenAsym().getPrivateKey();
//Put private Key to File
try
{
CryptobyFileManager.putKeyToFile(privateKeyPath, privateKey);
}
catch (System.IO.IOException)
{
CryptobyHelper.printIOExp();
console.menuGenKey();
}
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();
console.menuGenKey();
}
Console.Out.WriteLine("\nPublic Key File saved to this Path:");
Console.Out.WriteLine(publicKeyPath);
// Enter for Continues
CryptobyHelper.pressEnter();
// Back to Menu Choose PrimeTest
console.menuGenKey();
}
// Helper Functions
private static byte[] scanKeyText(CryptobyConsole console)
{
scanner = new Scanner(java.lang.System.@in);
byte[] tempKey;
do
{
Console.Out.WriteLine("\nAllowed Key Sizes 128,192 and 256 Bit.");
Console.Out.WriteLine("Enter the AES Key (Type '" + quit + "' to Escape):"
);
if (scanner.hasNext(quit))
{
aesCrypterText(console);
}
tempKey = Encoding.UTF8.GetBytes(scanner.next());
keySize = tempKey.Length * 4;
}
while (keySize != 128 && keySize != 192 && keySize != 256);
return tempKey;
}
/// <param name="console"></param>
public static void genSHA3KeyFile(CryptobyConsole console)
{
Scanner scanner = new Scanner(java.lang.System.@in);
string keyPath;
// Initial Variables
int keySize;
int choice;
string pwAns;
string key;
string password;
// Set Default Key Size
keySize = 256;
do
{
Console.Out.WriteLine("\n");
Console.Out.WriteLine("Select Key Size in Bit");
Console.Out.WriteLine("----------------------\n");
Console.Out.WriteLine("1 - 224");
Console.Out.WriteLine("2 - 256");
Console.Out.WriteLine("3 - 384");
Console.Out.WriteLine("4 - 512");
Console.Out.WriteLine("5 - Back");
Console.Out.Write("Enter Number: ");
while (!scanner.hasNextInt())
{
Console.Out.WriteLine("That's not a number! Enter 1,2,3,4 or 5:");
scanner.next();
}
choice = scanner.nextInt();
}
while (choice < 1 || choice > 5);
switch (choice)
{
case 1:
{
keySize = 224;
break;
}
case 2:
{
keySize = 256;
break;
}
case 3:
{
keySize = 384;
break;
}
case 4:
{
keySize = 512;
break;
}
case 5:
{
console.menuGenKey();
break;
}
default:
{
console.menuGenKey();
break;
}
}
do
{
// Input a Password or nothing, in the case it will be used a Secure Random number
Console.Out.WriteLine("Do you want to use a password. If not, it will be used a SecureRandom password."
);
Console.Out.WriteLine("Enter y or n: ");
pwAns = scanner.next();
}
while (!pwAns.Equals("y") && !pwAns.Equals("n"));
if (pwAns.Equals("y"))
{
Console.Out.Write("Enter Password for the Key: ");
password = scanner.next();
}
else
{
password = string.Empty;
}
// 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))
{
console.menuGenKey();
}
keyPath = scanner.next();
// Initial Key Generator
console.getCore().getClient().setKeySymArt("SHA3");
console.getCore().initSymKey();
// Get Result of Test
if (password.Equals(string.Empty))
{
key = console.getCore().getKeyGenSym().generateKey(keySize);
}
else
{
key = console.getCore().getKeyGenSym().generateKey(keySize, password);
}
// Save Key
try
{
//Put private Key to File
CryptobyFileManager.putKeyToFile(keyPath, key);
}
catch (System.IO.IOException)
{
CryptobyHelper.printIOExp();
console.menuGenKey();
}
Console.Out.WriteLine("\nAES Key File saved to this Path:");
Console.Out.WriteLine(keyPath);
// Enter for Continues
CryptobyHelper.pressEnter();
// Back to Menu Choose PrimeTest
console.menuGenKey();
}
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 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);
}
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 aesDecrypterText(CryptobyConsole console)
{
scanner = new Scanner(java.lang.System.@in);
// Input encrypted Hex String Text to decrypt
Console.Out.WriteLine("\nYour Text to decrypt (Type '" + quit + "' to Escape):"
);
// Convert crypted HexString Block to one String
try
{
string cryptText = string.Empty;
while (!scanner.hasNext(CryptobyHelper.getEOBString()))
{
if (scanner.hasNext(quit))
{
aesCrypterText(console);
}
cryptText = cryptText + scanner.next();
}
cryptByte = CryptobyHelper.hexStringToBytes(cryptText);
}
catch (FormatException)
{
// Catch false format of Input
Console.Out.WriteLine("\nNot allowed Crypted Text! Must be a Upper Hex String!"
);
cryptByte = BigInteger.ZERO.toByteArray();
}
// Input your Key for encryption
key = scanKeyText(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();
aesCrypterText(console);
}
// Print decrypted Text
Console.Out.WriteLine("\nDecryption finished...");
Console.Out.WriteLine("\nAES-" + keySize + " decrypted Text:");
Console.Out.WriteLine(Encoding.UTF8.GetString(plainByte));
// Back to Text Crypter Menu
Console.Out.WriteLine("\nGo back to AES Text Crypter Menu: Press Enter");
CryptobyHelper.pressEnter();
aesCrypterText(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);
}