private void 解密资源文本ToolStripMenuItem_Click(object sender, EventArgs e)
{
var op1 = new OpenFileDialog();
op1.CheckFileExists = false;
op1.Filter = "all file (*.*)|*.*";
op1.FileName = "all txt here";
if (op1.ShowDialog() == DialogResult.OK && !string.IsNullOrEmpty(op1.FileName))
{
var dir = Path.GetDirectoryName(op1.FileName);
var outdir = dir + "_dec";
var fls = Directory.GetFiles(dir, "*.txt", SearchOption.TopDirectoryOnly);
foreach (var fl in fls)
{
var str = File.ReadAllText(fl);
var bytes = Convert.FromBase64String(str);
var decoder = new RijndaelCryptography();
GenerateKeyFromPassword("BSZ.TGL.XML", decoder.KeySize, out byte[] key, decoder.BlockSize, out byte[] iv);
decoder.Key = key;
decoder.IV = iv;
decoder.Decrypt(str, out string outstr);
var outfn = Path.Combine(outdir, afaTool.afaTool.getPathWithoutDir(fl, dir));
if (!Directory.Exists(Path.GetDirectoryName(outfn)))
{
Directory.CreateDirectory(Path.GetDirectoryName(outfn));
}
File.WriteAllText(outfn, outstr);
}
}
}
public void TestRijndaelCrypto()
{
var crypto = new RijndaelCryptography();
const string originalString = "Rijndael cryptography";
var cryptoString = crypto.Encrypt(originalString);
var decryptString = crypto.Decrypt(cryptoString);
Assert.AreEqual(originalString, decryptString);
}
/// <summary>
/// Decrpyt Cookie values
/// </summary>
/// <param name="cookie">The cookie.</param>
/// <returns></returns>
private static HttpCookie DecryptCookie(HttpCookie cookie)
{
HttpCookie _cookie = new HttpCookie(cookie.Name);
if (!string.IsNullOrEmpty(cookie.Value))
{
_cookie.Value = RijndaelCryptography.Decrypt(cookie.Value, defaultKey);
}
return(_cookie);
}
public static string Decrypt(this string value, string key = null, string vector = null)
{
var buffer = Convert.FromBase64String(value);
var cripto = new RijndaelCryptography();
if (key != null && vector != null)
{
cripto.Key = ASCIIEncoding.Default.GetBytes(key);
cripto.IV = ASCIIEncoding.Default.GetBytes(vector);
}
var result = cripto.Decrypt(buffer);
return(result.TrimSafe('\0'));
}
/// <summary>
/// Decrypts the token.
/// </summary>
/// <param name="token">The token.</param>
/// <returns></returns>
private static string[] DecryptToken(string token)
{
string unencryptedToken = RijndaelCryptography.Decrypt(token);
return(unencryptedToken.Split('|'));
}
/// <summary>
/// Decrypts the specified encrypted text.
/// </summary>
/// <param name="encryptedText">The encrypted text.</param>
/// <returns></returns>
public string Decrypt(string encryptedText)
{
string decryptText = RijndaelCryptography.Decrypt(encryptedText);
return(decryptText);
}
