CISSP PRACTICE QUESTIONS – 20220103

Effective CISSP Questions

As the length of plaintext messages is variable, the last block of a message is typically padded (expanded) per a certain padding scheme to be at the same size as the underlying cipher block. Which of the following block cipher modes of operation is most likely subject to padding oracle attack or POODLE attack? (Wentz QOTD)
A. Counter (CTR)
B. Cipher block chaining (CBC)
C. Cipher feedback (CFB)
D. Output feedback (OFB)

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