internal static byte[] Decode(string input, Crypt32.CrypBinaryFlags flags,
int inputSize)
{
int outputSize = 0;
int pdwSkip;
int pdwFlags;
if (!Crypt32.CryptStringToBinary(input, inputSize, flags, IntPtr.Zero,
ref outputSize, out pdwSkip, out pdwFlags))
{
int nativeError = Marshal.GetLastWin32Error();
throw new InteropException(nativeError);
}
IntPtr nativeBuffer = IntPtr.Zero;
try {
nativeBuffer = Marshal.AllocCoTaskMem(outputSize);
if (!Crypt32.CryptStringToBinary(input, inputSize, flags, nativeBuffer,
ref outputSize, out pdwSkip, out pdwFlags))
{
int nativeError = Marshal.GetLastWin32Error();
throw new InteropException(nativeError);
}
byte[] result = new byte[outputSize];
Marshal.Copy(nativeBuffer, result, 0, outputSize);
return(result);
}
finally { if (IntPtr.Zero != nativeBuffer)
{
Marshal.FreeCoTaskMem(nativeBuffer);
}
}
}
public static Byte[] CryptStringToBinary(String inputString, CryptEncoding inputEncoding = CryptEncoding.CRYPT_STRING_ANY)
{
UInt32 pcbBinary = 0;
if (Crypt32.CryptStringToBinary(inputString, (UInt32)inputString.Length, (UInt32)inputEncoding, null, ref pcbBinary, 0, 0))
{
Byte[] pbBinary = new Byte[pcbBinary];
Crypt32.CryptStringToBinary(inputString, (UInt32)inputString.Length, (UInt32)inputEncoding, pbBinary, ref pcbBinary, 0, 0);
return(pbBinary);
}
throw new Win32Exception(Marshal.GetLastWin32Error());
}
