 Authentication and Key Agreement

Authentication and Key Agreement (AKA) is a cryptographic protocol used primarily in telecommunications to authenticate a user and establish a secure communication channel between a user equipment (like a mobile phone) and a network (like a mobile telecommunication network). It plays a crucial role in ensuring the confidentiality and integrity of communications over potentially insecure networks. ### Key Components of AKA: 1. **Authentication**: - This involves verifying the identity of a user or device attempting to access a network or service.