You don't mention separate computers until now. It's a big difference. I thought we were discussing implementing crypto, not some theoretical properties you ach

You don't mention separate computers until now. It's a big difference. I thought we were discussing implementing crypto, not some theoretical properties you achieve when conditions are just right. I'm not saying trust the Windows implementation of AES, you can put it through some other cipher with a strong implementation as well, but don't just make up your own one.