Crypto Vocab

A technique for encryption that shifts the alphabet by a number of characters.

the generic term for a technique or algorithm that performs encryption.

Maps each letter of the alphabet to a randomly chosen letter.

Encryption technique with different keys for encrypting and decrypting.

an encryption technique where the same key encrypts and decrypts data.

Decoding a secret message without knowing all specifics of the cipher.

Reversing encryption to reproduce the original plain text.

The process of encoding messages to keep them secret.

A problem that a computer cannot solve in a reasonable amount of time.

A mathematical operation that returns the remainder after integer division.