Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
Permanent URI for this collectionhttps://hdl.handle.net/11147/7148
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Article Citation - WoS: 89Obtaining a Secure and Efficient Key Agreement Protocol From (h)mqv and Naxos (extended Version)(International Association for Cryptologic Research, 2009) Ustaoğlu, BerkantLaMacchia, Lauter and Mityagin recently presented a strong security definition for authenticated key agreement strengthening the well-known Canetti-Krawczyk definition. They also described a protocol, called NAXOS, that enjoys a simple security proof in the new model. Compared to MQV and HMQV, NAXOS is less efficient and cannot be readily modified to obtain a one-pass protocol. On the other hand MQV does not have a security proof, and the HMQV security proof is extremely complicated. This paper proposes a new authenticated key agreement protocol, called CMQV (`Combined' MQV), which incorporates design principles from MQV, HMQV and NAXOS. The new protocol achieves the efficiency of HMQV and admits a natural one-pass variant. Moreover, we present a simple and intuitive proof that CMQV is secure in the LaMacchia-Lauter-Mityagin model.Conference Object Citation - WoS: 1Citation - Scopus: 1Satellite Networks for Key Management(Institute of Electrical and Electronics Engineers Inc., 2007) Koltuksuz, AhmetThe cryptographic key management center is the place where all the cryptographical protocols and related keys are in action. Traditionally the key management centers operate on the ground. However; with the satellites, it is possible to conceive a space based key management center. This paper underlines the pros and cons of having a satellite networks key management center.