In a PKI what entity issues and signs public key certificates?

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Study for the WGU ITAS 2142 D830 Introduction to Cryptography Exam. Review flashcards and multiple choice questions with hints and explanations. Get ready for your exam!

Multiple Choice

In a PKI what entity issues and signs public key certificates?

Explanation:
In PKI, a trusted Certificate Authority issues and signs public key certificates. The CA verifies the requester’s identity, creates a certificate that binds that identity to a public key, and signs the certificate with its private key. Others can verify the certificate by checking the CA’s signature with the CA’s public key, which is widely distributed as part of the trust framework. The Registration Authority helps with identity verification but does not sign certificates; a Key Management Server handles keys but not certificate issuance; end users cannot issue certificates themselves.

In PKI, a trusted Certificate Authority issues and signs public key certificates. The CA verifies the requester’s identity, creates a certificate that binds that identity to a public key, and signs the certificate with its private key. Others can verify the certificate by checking the CA’s signature with the CA’s public key, which is widely distributed as part of the trust framework. The Registration Authority helps with identity verification but does not sign certificates; a Key Management Server handles keys but not certificate issuance; end users cannot issue certificates themselves.

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