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CA definition - telecom
In a public key infrastructure (PKI), an entity that issues and verifies digital certificates that contain an encryption key and attest to the authenticity of the transaction party. See also authentication, digital certificate, encryption, key, and PKI.

Webster's New World Telecom Dictionary Copyright © 2008 by Wiley Publishing, Inc., Indianapolis, Indiana.
Used by arrangement with John Wiley & Sons, Inc.

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