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 ...

The most familiar names in network security are neither vendors nor geeks: Try Alice and Bob. Since Ron Rivest, Adi Shamir and Len Adleman – the R, S and A in RSA Security – introduced Alice and Bob ...

The Diffie-Hellman algorithm was a stunning breakthrough in cryptography that showed cryptographic keys could be securely exchanged in plain sight. Here’s how it works. Whitfield Diffie and Martin ...