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
TKIP (Temporal Key Integrity Protocol) is a wireless security protocol. It is used in IEEE 802.11 wireless networks. IEEE 802.11i task group and Wi-Fi Alliance jointly developed TKIP in order to replace WEP, which would still work on deployed WEP compatible hardware.