EC-Council Certified Encryption Specialist

When learning algorithms, such as RSA, it is important to understand the mathematics being used. In RSA, the number of positive integers less than or equal to s...

What is the 160-bit hash algorithm developed by Hans Dobbertin, Antoon Bosselaers, and Bart Preneel for which there are 128, 256 and 320-bit versions is called?

In a __________________, the attacker discovers a functionally equivalent algorithm for encryption and decryption but without learning the key.

John is trying to explain the basics of cryptography to a group of novice security students. Which one of the following most accurately defines encryption?

Modern symmetric ciphers all make use of one or more s-boxes. Both Feistel and non-Feistel ciphers use these s-boxes. What is an s-box?