public static string PlainTextToHash(string plainTextPswd)
{
string encryptedPassword = "";
byte[] decryptedBytes = TextString2ByteArray(plainTextPswd);
try
{
uint dwErrCode = 0;
IntPtr hContext = IntPtr.Zero;
IntPtr hKey = IntPtr.Zero;
if ((dwErrCode = CryptoApiHelper.AcquireContext("OKmzdy", ref hContext)) == ERROR_SUCCESS)
{
if ((dwErrCode = CryptoApiHelper.GenerateKey(ENCRYPT_ALGORITHM, MASTER_PHRASE, ref hKey, hContext)) == ERROR_SUCCESS)
{
uint data_size = Convert.ToUInt32(plainTextPswd.Length);
if (CryptoApiHelper.CryptEncrypt(hKey, IntPtr.Zero, true, 0, decryptedBytes, ref data_size, MAX_PSBUFFERLEN))
{
encryptedPassword = BinString2TextString(decryptedBytes, (int)data_size).ToUpper();
}
}
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.Print(string.Format("Exception loading file: {0}", ex.ToString()));
}
return(encryptedPassword);
}
public static string HashToPlainText(string hashTextPswd)
{
string decryptedPassword = "";
byte[] encryptedBytes = TextString2BinString(hashTextPswd);
try
{
uint dwErrCode = 0;
IntPtr hContext = IntPtr.Zero;
IntPtr hKey = IntPtr.Zero;
if ((dwErrCode = CryptoApiHelper.AcquireContext("OKmzdy", ref hContext)) == ERROR_SUCCESS)
{
if ((dwErrCode = CryptoApiHelper.GenerateKey(ENCRYPT_ALGORITHM, MASTER_PHRASE, ref hKey, hContext)) == ERROR_SUCCESS)
{
uint data_size = Convert.ToUInt32(Math.Min(hashTextPswd.Length / 2, MAX_PSBUFFERLEN));
if (CryptoApiHelper.CryptDecrypt(hKey, IntPtr.Zero, true, 0, encryptedBytes, ref data_size))
{
decryptedPassword = encFrom.GetString(encryptedBytes).Substring(0, (int)data_size);
}
}
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.Print(string.Format("Exception loading file: {0}", ex.ToString()));
}
return(decryptedPassword);
}