Multiple Choice
What block cipher mode of operation encrypts plaintext and computes a message authentication code to ensure that the message was created by the sender and that it was not tampered with during transmission?
A) Electronic Code Book
B) Galois/Counter
C) Cipher Block Chaining
D) Counter
Correct Answer:

Verified
Correct Answer:
Verified
Q13: What is a cryptographic key?
Q14: What process links several certificates together to
Q15: Explain how Cipher Block Chaining (CBC)operates.
Q16: What protocol uses SSL or TLS to
Q17: The Authentication Header (AH)protocol is a part
Q19: Select the term that is used to
Q20: What block cipher mode of operation uses
Q21: Stream ciphers work on multiple characters at
Q22: Digital certificates should last forever.
Q23: What role does a key recovery agent