cryptography(The study or analysis of codes and encoding methods used to secure information. Cryptography is used to provide confidentiality, data integrity, authentication (entity and data origin), and nonrepudiation)
cipher(The particular algorithm used to transform a readable message (called plaintext or cleartext) into an unreadable, scrambled, or hidden message (called ciphertext)); encryption(The process of converting readable data (plaintext) into a coded form (ciphertext) to prevent it from being read by an unauthorized party)
