A certificate containing a Certification Authority's (CA's) public key. Network entities use this public key to verify certificates signed with the CA's private key.
Identifies the certification authority (CA) that issues server and client authentication certificates to the servers and clients that request these certificates. Because it contains a public key used in digital signatures, it is also referred to as a signature certificate. If the CA is a root authority, the CA certificate may be referred to as a root certificate. Also sometimes known as a site certificate.
A certificate that identifies a certificate authority. See also certificate authority (CA), subordinate CA, root CA.