Encryption is the process of mathematically processing data using an encryption “key“, such as a password or passphrase, in such a way that the result of the combination is unrecognizable as the original. Encrypted data can be restored to its original form by reprocessing it, using the original encryption key (symmetric encryption) or the matching key of a key pair« Back to Glossary Index
Leo A. Notenboom has been playing with computers since he was required to take a programming class in 1976. An 18 year career as a programmer at Microsoft soon followed. After "retiring" in 2001, Leo started Ask Leo! in 2003 as a place for answers to common computer and technical questions. More about Leo.