In the age of the Internet, it’s getting harder and harder to keep secrets. When you type in your password, there’s no telling who might be watching it go by. However, new research at Cornell may offer a pathway to more secure communications. The answer is to not send sensitive information at all. Rafael Pass, associate professor of computer science, has developed a new protocol, or set of rules, to create what computer scientists call a “zero knowledge proof.” “I think zero knowledge proofs are one of the most amazing notions in computer science,” Pass said. “What we have done...