Authentication protocol

An authentication protocol is a type of cryptographic protocol with the purpose of authenticating entities wishing to communicate securely.

There are many different authentication protocols such as:

• AKA
• CAVE-based_authentication
• Challenge-handshake authentication protocol (CHAP)
• CRAM-MD5
• Diameter
• Extensible Authentication Protocol (EAP)
• Host Identity Protocol (HIP)
• Kerberos
• MS-CHAP and MS-CHAPv2 variants of CHAP
• LAN Manager
• NTLM, also known as NT LAN Manager
• Password-authenticated key agreement protocols
• Password Authentication Protocol (PAP)
• Protected Extensible Authentication Protocol (PEAP)
• RADIUS
• Secure Remote Password protocol (SRP)
• TACACS and TACACS+
• RFID-Authentication Protocols
• Woo Lam 92 (protocol)