public static void ProcessDecryptTripleDESAction()
{
Console.WriteLine("===============================================================================");
Console.WriteLine("Please enter path to encrypted file:");
byte[] encriptedFileBytes;
while (true)
{
var encryptedPath = Console.ReadLine();
if (!File.Exists(encryptedPath))
{
Console.WriteLine("Invalid file path! try again");
continue;
}
encriptedFileBytes = File.ReadAllBytes(encryptedPath);
break;
}
Console.WriteLine("Please enter path to key file:");
byte[] keyFileBytes;
while (true)
{
var keyFilePath = Console.ReadLine();
if (!File.Exists(keyFilePath))
{
Console.WriteLine("Invalid file path! try again");
continue;
}
keyFileBytes = File.ReadAllBytes(keyFilePath);
break;
}
Console.WriteLine("Please enter path to initialization vector file:");
byte[] vectorFileBytes;
while (true)
{
var vectorFilePath = Console.ReadLine();
if (!File.Exists(vectorFilePath))
{
Console.WriteLine("Invalid file path! try again");
continue;
}
vectorFileBytes = File.ReadAllBytes(vectorFilePath);
break;
}
TripleDesService.DecryptTripleDES(encriptedFileBytes, keyFileBytes, vectorFileBytes);
Console.WriteLine("===============================================================================\n");
}
static void Main(string[] args)
{
while (true)
{
bool isExit = false;
Console.WriteLine("Please select an action:");
Console.WriteLine("1) Encrypt using TripleDES;\n2) Encrypt using RSACng;\n3) Create DSA Sign;\n4) Get SHA384Managed Hash;\n5) Decrypt TripleDES file using key file\n6) Decrypt using RSACng \n7) Exit");
var selected = Console.ReadLine();
int action;
var isValid = int.TryParse(selected, out action);
if (!isValid)
{
Console.WriteLine("Ivalid input!");
continue;
}
switch ((Actions)action)
{
case Actions.EncryptTripleDES:
Console.WriteLine("===============================================================================");
Console.WriteLine("Please enter value that will be encrypted:");
var value = Console.ReadLine();
TripleDesService.EncryptTripleDES(value);
Console.WriteLine("===============================================================================\n");
break;
case Actions.DecryptTripleDES:
ProcessDecryptTripleDESAction();
break;
case Actions.RSACngEncrypt:
Console.WriteLine("===============================================================================");
Console.WriteLine("Please enter path to file that will be encrypted:");
var encryptFilePath = Console.ReadLine();
var encriptedFileBytes = File.ReadAllBytes(encryptFilePath);
var keys = RSACngService.GenerateKeys();
var encrypted = RSACngService.Encrypt(keys[RSACngService.PublicKeyName], encriptedFileBytes);
Console.WriteLine($"Encrypted data: {System.Text.Encoding.UTF8.GetString(encrypted)}");
Console.WriteLine("===============================================================================\n");
break;
case Actions.RSACngDecrypt:
Console.WriteLine("===============================================================================");
Console.WriteLine("Please enter path to file that will be decrypted:");
var decryptFilePath = Console.ReadLine();
var decryptFileBytes = File.ReadAllBytes(decryptFilePath);
Console.WriteLine($"Encrypted data: {System.Text.Encoding.UTF8.GetString(decryptFileBytes)}");
Console.WriteLine("Please enter path to file with private key:");
var privateKeyFilePath = Console.ReadLine();
var privateKeyFileBytes = File.ReadAllBytes(privateKeyFilePath);
var decrypted = RSACngService.Decrypt(privateKeyFileBytes, decryptFileBytes);
Console.WriteLine($"Decrypted data: {System.Text.Encoding.UTF8.GetString(decrypted)}");
Console.WriteLine("===============================================================================\n");
break;
case Actions.DSA:
Console.WriteLine("===============================================================================");
Console.WriteLine("Please enter path to file:");
var signatureFilePath = Console.ReadLine();
var signatureFileBytes = File.ReadAllBytes(signatureFilePath);
var service = new DSACngService();
var signature = service.CreateSignature(signatureFileBytes);
Console.WriteLine($"Signature: {System.Text.Encoding.UTF8.GetString(signature)}");
break;
case Actions.SHA384Managed:
Console.WriteLine("===============================================================================");
Console.WriteLine("Please enter path to file:");
var hashFilePath = Console.ReadLine();
var hashFileBytes = File.ReadAllBytes(hashFilePath);
SHA384 shaM = new SHA384Managed();
var result = shaM.ComputeHash(hashFileBytes);
Console.WriteLine($"File SHA384Managed Hash: {System.Text.Encoding.UTF8.GetString(result)}");
break;
case Actions.Exit:
isExit = true;
break;
default:
Console.WriteLine("Ivalid input!");
break;
}
if (isExit)
{
break;
}
continue;
}
}