A Unilateral-to-Mutual Authentication Compiler for Key Exchange (with Applications to Client Authentication in TLS 1.3)

@article{Krawczyk2016AUA,
  title={A Unilateral-to-Mutual Authentication Compiler for Key Exchange (with Applications to Client Authentication in TLS 1.3)},
  author={Hugo Krawczyk},
  journal={IACR Cryptology ePrint Archive},
  year={2016},
  volume={2016},
  pages={711}
}
We study the question of how to build "compilers" that transform a unilaterally authenticated (UA) key-exchange protocol into a mutually-authenticated (MA) one. We present a simple and efficient compiler and characterize the UA protocols that the compiler upgrades to the MA model, showing this to include a large and important class of UA protocols. The question, while natural, has not been studied widely. Our work is motivated in part by the ongoing work on the design of TLS 1.3, specifically… CONTINUE READING

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