Cryptographic protocol

Cipher suite BBM92 protocol Secure Sockets Layer mental poker key exchange protocol S/MIME Interlock protocol Silent Circle Instant Messaging Protocol proof of stake Salted Challenge Response Authentication Mechanism zero-knowledge proof Transport Layer Security Yao's Millionaires' problem Signal Protocol key-agreement protocol dining cryptographers problem Distributed Authentication Security Service Time stamp protocol Anubis anonymous veto network authentication protocol Off-the-Record Messaging Messaging Layer Security Security Content Automation Protocol Private Communications Technology proof-of-work Quantum cryptography protocol socialist millionaire problem Temporal Key Integrity Protocol SKID Needham–Schroeder protocol Shamir's Secret Sharing