What elements should a key management policy include?

• A. It defines roles, algorithms, key lifecycles, storage, rotation, revocation, and compliance requirements for all cryptographic keys.
• B. It specifies only encryption algorithms.
• C. It is only about hardware secure elements.
• D. It covers only public key infrastructure certificates.

Answer: (A)

Key management policies govern how every cryptographic key is handled from creation to destruction, tying together governance, technical controls, and lifecycle practices. The best choice captures this breadth by defining who is authorized to handle keys (roles), which algorithms may be used, how keys progress through their lifecycles (generation, activation, rotation, retirement, destruction), how they’re stored and protected, when and how to rotate them, how to revoke compromised keys, and the compliance requirements that must be met. This comprehensive framing ensures consistent security controls across all keys, supports auditing, and helps meet regulatory obligations. Focusing only on encryption algorithms misses the governance and lifecycle aspects; concentrating on hardware secure elements narrows to a single technology and ignores other keys and contexts; covering only PKI certificates ignores many other keys and usages that still require managed handling.