In _________ cryptography, the same key is used in both directions.
A) symmetric-key
B) asymmetric-key
C) public-key
D) open-key

Question

Quizplus · Accepted Answer

In symmetric-key cryptography, the same key is used for both encryption and decryption. This means that when two parties are communicating, they share the same secret key and use it to both encrypt and decrypt messages. This is different from asymmetric-key cryptography (option B and C), where different keys are used for encryption and decryption. Open-key cryptography (option D) is not a commonly used term in cryptography and does not accurately describe any type of cryptography.

In _________ Cryptography, the Same Key Is Used in Both