Group Key Agreement Protocols

Group Key Agreement Protocols are methods that allow multiple users to securely establish a shared cryptographic key over an insecure network. This key enables all members to communicate privately and verify each other's messages. The protocol ensures that even if an outsider tries to eavesdrop, they cannot determine the shared key or read the messages. It also allows members to add or remove participants securely without exposing the entire group to risks. Essentially, these protocols build a common secret among everyone involved, enabling confidential group communication.