Likely it depends to what extent those were practiced. I've not been able to find a clear answer. Things can be immoral but still legal. Like we see pro islamist groups funding PR in Canada and donating to the Trudeau Foundation. It's legal. But is it good to enable the same things Russia did in the US here? 

It is important to limit what isn't torture as well. There's a temptation to call things torture that maybe aren't. I have a baby that makes me sleep deprived, am I being tortured too? If  I get scared whenever I see police, is that torture? Should we abolish the police and military because terrorists might feel afraid and claim this is torture? To keep people safe, we'll ban locks? Because locks represent fear and fear is bad?