Home » Isaca » CISM » A digital signature using a public key infrastructure (PKI) will:
A digital signature using a public key infrastructure (PKI) will:
A. not ensure the integrity of a message.
B. rely on the extent to which the certificate authority (CA) is trusted.
C. require two parties to the message exchange.
D. provide a high level of confidentiality.
Correct Answer: B
Explanation/Reference:
Explanation:
The certificate authority (CA) is a trusted third party that attests to the identity of the signatory, and reliance will be a function of the level of trust afforded the CA. A digital signature would provide a level of assurance of message integrity, but it is a three-party exchange, including the CA. Digital signatures do not require encryption of the message in order to preserve confidentiality.
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