Cracking Methods A Password Cracker is a any program that can decrypt passwords or disable password protection. Most password crackers do not decrypt anything, It is important to remember real encryption passwords, cannot be reverse-decrypted. To understand how password crackers work, you need only understand how password generators work. Most password generators use some form of cryptography.
Cryptography is the practice of writing in some form of code.
This definition is wide, and I want to narrow it. The etymological root of the word cryptography can help in this regard. Crypto stems from the Greek word kryptos . Kryptos was used to describe anything that was hidden, obscured, veiled, secret, or mysterious. Graph is derived from graphia , which means writing .