How does symmetric key encryption work with public-key encryption when securing a connection between browser and server? I know the Browser and server start off using asymmetric encryption then switch ...

What are cryptographic keys, and why should they be kept safe? A cryptographic key is a string of data that is used to encrypt data (to the data secret), decrypt data (to perform the reverse operation ...

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 ...

Once quantum computers become a commercial reality, they will change the ground rules for cryptography. Here's how quantum cryptography would work, and an explanation of the benefits and pitfalls of ...

Recently, Professor Guilu Long, Dr. Zeguo Wang, Dr. Shijie Wei from Tsinghua University and Beijing Academy of Quantum Information Sciences, and Professor Lajos Hanzo from the University of ...

The rash of security problems on the Internet and the Web demonstrates that lack of trust is limiting the use of the Internet for business and commerce. For the Internet to realize its potential as a ...

Encryption, the transformation of data into a form that prevents anyone unauthorized from understanding that data, is a fundamental technology that enables online commerce, secure communication, and ...