Apparently, this user prefers to keep an air of mystery about them.
11 What is the difference between MAC and HMAC? Feb 28 '13
4 Can anyone give an example where (asymmetric) crypto can go wrong due to selection of wrong groups? Nov 11 '13
4 How to choose keys for a block cipher? Sep 18 '13
1 How to generate a random polynomial of degree $m$? Feb 24 '13