In the US, insults are not something for which you can be prosecuted. Calling someone a son of a bitch is not defamatory. No one believes you are really the child of a dog. So that is an opinion. Defamation requires a false factual statement. Truth is a complete defense.
What is Public Key Infrastructure (PKI)? Public Key Infrastructure (PKI) is a set of hardware, software, people, policies, and procedures needed to create, manage, distribute, use, store, and revoke digital certificates. In cryptography, a PKI is an arrangement that binds public keys with respective user identities by means of a certificate authority (CA). Wikipedia.org
The Enterprise PKI snap-in is used to ensure that all of the following elements in a public key infrastructure (PKI) are functioning properly, available, and valid: 1  Certification authorities (CAs). 2  CA certificates. 3  Authority information access locations. 4  CRLs. CRL distribution points.