Question

You are concerned that if a private key is lost, all documents encrypted with your private key will be inaccessible. Which service should you use to solve this problem?

a) OCSP
b) Key escrow
c) CSP
d) RA

Answer 1

To prevent the loss of access to documents encrypted with a private key, the use of a key escrow service is recommended. It provides secure storage for a copy of the encryption keys, ensuring their recovery if the private key is lost.

Step-by-step explanation:

If you are concerned that losing your private key can lead to inaccessible encrypted documents, the service you should consider using is key escrow. Key escrow is a service that stores a copy of the encryption keys securely so that in the event of a loss of the private key, the keys can be recovered and access to the encrypted documents can be regained.

None of the other options listed (OCSP, CSP, RA) are directly related to the safekeeping or recovery of encryption keys. OCSP (Online Certificate Status Protocol) is related to the status of digital certificates, not key recovery. CSP stands for Cryptographic Service Provider, which is typically software to perform cryptography tasks but doesn't provide key recovery services. RA stands for Registration Authority, which is involved in the process of verifying requests for digital certificates, not storing keys.