Intro to Crypto Key Terms C839. Exam Review. Full Coverage. VERIFIED.

Intro to Crypto Key Terms C839. Exam Review. Full Coverage. VERIFIED. Cryptography the science of keeping information secret and safe by transforming it into a form that unintended recipients cannot understand using an algorithm (a series of mathematical operations) Cryptanalysis the art of breaking or "cracking" the protection provided through cryptography algorithms Cryptology the study and practice of both cryptography and cryptanalysis Plaintext a human-readable unencrypted message used as an input to a cipher (encryption algorithm) before encryption or after decryption Ciphertext unreadable encrypted message output after an encryption algorithm has been used on the plaintext Cipher the process (or algorithm) used to encrypt and decrypt a message Asymmetric Encryption involves using two keys, one key (public key) to encrypt data and the other key (private key) to decrypt the encrypted data; also called public-key encryption Symmetric Encryption involves using one shared key to encrypt and decrypt data; also called secret-key encryption