CA at Computer Glossary

What is it? A CA (certificate authority) is an authority in a network that issues and manages security credentials and public key for message encryption. As part of a public key infrastructure (public key infrastructure), a CA checks with a registration authority (registration authority) to verify information provided by the requestor of a digital certificate. If the RA verifies the requestors information, the CA can then issue a certificate.

Computer Definition Added By: Gabriella

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