Which term is defined as the algorithm used for encryption and decryption?

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Study for the WGU ITAS 2142 D830 Introduction to Cryptography Exam. Review flashcards and multiple choice questions with hints and explanations. Get ready for your exam!

Multiple Choice

Which term is defined as the algorithm used for encryption and decryption?

Explanation:
Cipher is the set of rules that define how to transform plaintext into ciphertext and how to recover the plaintext from ciphertext. It is the algorithm used for both encryption and decryption. Encryption is the process of applying the cipher with a key to convert readable data into ciphertext, while decryption is the reverse, turning ciphertext back into readable data. Plaintext is the original readable data before encryption. Therefore, the term defined as the algorithm used for encryption and decryption is cipher.

Cipher is the set of rules that define how to transform plaintext into ciphertext and how to recover the plaintext from ciphertext. It is the algorithm used for both encryption and decryption. Encryption is the process of applying the cipher with a key to convert readable data into ciphertext, while decryption is the reverse, turning ciphertext back into readable data. Plaintext is the original readable data before encryption. Therefore, the term defined as the algorithm used for encryption and decryption is cipher.

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