Common Contracts

Key Agreement using Statically Keyed Authenticators

Key Agreement Protocols • July 19th, 2004

• Contract Type
  Key Agreement Protocols
• Filed
  July 19th, 2004

Abstract. A family of authenticators based on static shared keys is identified and proven secure. The authenticators can be used in a va- riety of settings, including identity-based ones. Application of the au- thenticators to Diffie-Hellman variants in appropriate groups leads to authenticated key agreement protocols which have attractive properties in comparison with other proven-secure protocols. We explore two key agreement protocols that result.