Learning With Errors
Cryptography is mostly about finding math problems that are really easy if you know some hidden information, but impossibly hard if you don’t. Learning With Errors is one such problem. This article is a brief introductory look at the Learning With Errors (LWE) problem, which is the foundation of many developing cryptosystems. I’ll try to make it as digestible as possible. But be forewarned: here be equations. ...