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Can somebody help me understand the joke here? :(
Is it that 3DES doesn't have a 168-bit option?
I guess the main point is that this not how one would mask an ip. An ip is masked by redirecting traffic via some intermediate server(s).
Once she encrypts an ip, what does she do, she sends the string via email to colleagues?
This is how I understand it... But I might be very wrong
Pretty much spot on
I guess I foolishly assumed she was doing her own encryption over https or something (I have no idea if that's even possible. I've taken one network security class)
Encrypting your IP address would be like encrypting your mailing address. Like, ok buddy, but you're not going to be able to use that to receive any mail so not sure what your goal is -- you're still going to have to use your plain address if you want to receive anything.
3des isn't secure. Even at 168bit. I'm not sure what this is from though, but it was only like 8 years ago that it was announced to be insecure.