Hashing is a one-way cryptographic function while encryption is designed to work both ways. Encryption algorithms take input and a secret key and generate a random looking output called a ciphertext.

People have been working on perfecting hashing since computing's early days. The result has been an almost endless number of hashing methods and tables. Facebook has faced this problem as well. Within ...

The songs of the runners carried in the night — over the L’Enfant Plaza fountain, past the cooler of Busch Light and onto the rows of federal office buildings. Some of the singers could be employed in ...