Browsing NTNU Open by Author "Jager, Tibor"
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0-RTT Key Exchange with Full Forward Secrecy
Günther, Felix; Hale, Britta; Jager, Tibor; Lauer, Sebastian (Chapter, 2017)Reducing latency overhead while maintaining critical security guarantees like forward secrecy has become a major design goal for key exchange (KE) protocols, both in academia and industry. Of particular interest in this ... -
Highly Efficient Key Exchange Protocols with Optimal Tightness
Cohn-Gordon, Katriel; Cremers, Cas; Gjøsteen, Kristian; Jacobsen, Håkon; Jager, Tibor (Journal article; Peer reviewed, 2019)In this paper we give nearly tight reductions for modern implicitly authenticated Diffie-Hellman protocols in the style of the Signal and Noise protocols, which are extremely simple and efficient. Unlike previous approaches, ... -
Practical and tightly-secure digital signatures and authenticated key exchange
Gjøsteen, Kristian; Jager, Tibor (Journal article; Peer reviewed, 2018)Tight security is increasingly gaining importance in real-world cryptography, as it allows to choose cryptographic parameters in a way that is supported by a security proof, without the need to sacrifice efficiency by ...