handshaking procedure - A dialog between two entities for the purpose of identifying and authenticating the entities to one another. The dialog can take place between two computers or two applications residing on different computers. It is an activity that usually takes place within a protocol.
hash - A small representation of a larger message. Message digests are used to ensure the authentication and integrity of information, not the confidentiality.
hash function - A function that accepts an input message of any length and uses a one-way operation to generate a fixed-length output, called a message digest or hash.
honeynet - A network connecting two or more honeypots that is created for the sole purpose of luring an attacker in order to compromise it.
honeypot - A computer set up as a sacrificial lamb on the network in the hope that attackers will attack this system instead of actual production systems.