public static byte[] GetKeyParameter(SafeKeyHandleImpl keyHandle, uint keyParamId)
{
uint dataLength = 0;
if (!CryptoApi.CryptGetKeyParam(keyHandle, keyParamId, null, ref dataLength, 0))
{
throw CreateWin32Error();
}
var dataBytes = new byte[dataLength];
if (!CryptoApi.CryptGetKeyParam(keyHandle, keyParamId, dataBytes, ref dataLength, 0))
{
throw CreateWin32Error();
}
return(dataBytes);
}
public static int GetKeyParameterInt32(SafeKeyHandleImpl keyHandle, uint keyParamId)
{
const int doubleWordSize = 4;
uint dwDataLength = doubleWordSize;
var dwDataBytes = new byte[doubleWordSize];
if (!CryptoApi.CryptGetKeyParam(keyHandle, keyParamId, dwDataBytes, ref dwDataLength, 0))
{
throw CreateWin32Error();
}
if (dwDataLength != doubleWordSize)
{
throw ExceptionUtility.CryptographicException(Constants.NTE_BAD_DATA);
}
return(BitConverter.ToInt32(dwDataBytes, 0));
}