private static void KeyGen(Arguments args)
{
var key = Symmetric.GenerateKey(args.PasswordKey, args.Salt);
var fileText = Convert.ToBase64String(key);
File.WriteAllText(args.OutputFile, fileText);
}
private static void Encrypt(Arguments args)
{
var key = File.ReadAllText(args.KeyFile);
var iv = Symmetric.GenerateIV(args.InitVector);
var symmetric = new Symmetric(Convert.FromBase64String(key));
var plainText = File.ReadAllText(args.InputFile);
var cipher = symmetric.Encrypt(plainText, iv);
var base64String = Convert.ToBase64String(cipher.ToBytes());
if (args.Format)
{
File.WriteAllLines(args.OutputFile, Symmetric.FormatWithTags(base64String));
}
else
{
File.WriteAllText(args.OutputFile, base64String);
}
}
private static void Decrypt(Arguments args)
{
var key = File.ReadAllText(args.KeyFile);
var lines = File.ReadAllLines(args.InputFile).ToList();
var encryptedText = lines.Count > 1 ? Symmetric.RemoveTags(lines) : lines.First();
var cipher = new Cipher(Convert.FromBase64String(encryptedText));
if (!cipher.HasIV && args.InitVector == null)
{
throw new ArgumentException("IV Required");
}
var iv = cipher.IV ?? Symmetric.GenerateIV(args.InitVector);
var symmetric = new Symmetric(key);
var decryptedBytes = symmetric.Decrypt(cipher, iv);
var plainText = Symmetric.Deserialize <string>(decryptedBytes);
File.WriteAllText(args.OutputFile, plainText);
}
