A hardware security module (HSM) provides cryptographic services such as key management, key exchange, encryption, etc. It’s built on specialized hardware well-tested and certified in special laboratories. Which of the following is least related to authentication to the HSM under a trusted path to ensure no single person has sufficient authority to access certain functions or operations? (Wentz QOTD)
A. Split knowledge.
B. Separation of Duty (SOD).
C. Quorum-based authentication.
D. M of N control.