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This course covers the basic knowledge in understanding and using cryptography. The main focus is on definitions, theoretical foundations, and rigorous proofs of security, with some programming ...

Cryptography might be the most important thing that you use every day -- from e-commerce to messaging apps to retrieving your email to getting money out of an ATM to satellite TV -- without knowing.

A long-sought “holy grail” in cryptography is poised to change the way we protect sensitive information. Today’s standard encryption schemes take an all-or-nothing approach. Once scrambled, your data ...

In 1994, the computer scientist Peter Shor discovered that if quantum computers were ever invented, they would decimate much of the infrastructure used to protect information shared online. That ...

Hard problems are usually not a welcome sight. But cryptographers love them. That’s because certain hard math problems underpin the security of modern encryption. Any clever trick for solving them ...