A few days ago, Kahler Nygard reportedly received a boarding pass indicating secondary screening was required, but that pat-down was reportedly never done. So when the plane landed, they took the passenger off the plane ahead of the others and requested that he submit to the screening at the dest...

Salts are stored in the plain text and readily available with the hashed passwords if the password database is compromised. What if we encrypt the salt using password itself? Doesn't it make offline dictionary attack more difficult as the attacker now has to identify the salt to break the passwor...

A shift cipher shifts every letter of a word by "n" amount and creates new word. The number of possible keys in the shift cipher is equal the size of the alphabet set from which the word is derived. For example if the words are derived from the set of lowercase letters there are 26 different keys...