Abstract
In 2005, Harn et al. proposed three authenticated Diffie-Hellman key-agreement protocols, each of which is based on one cryptographic assumption. In particular, the first protocol is based on a discrete logarithm, the second on an elliptic curve and the third on RSA factoring. However, the current paper demonstrates that Harn et al.’s protocols do not provide perfect forward secrecy and key freshness which are two of the standard security attributes that key exchange protocols should have. Furthermore, we proposes improvements of the protocols such that they provide these security attributes.
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Yoon, EJ., Lee, WS., Yoo, KY. (2007). Improving the Single-Assumption Authenticated Diffie-Hellman Key Agreement Protocols. In: Gervasi, O., Gavrilova, M.L. (eds) Computational Science and Its Applications – ICCSA 2007. ICCSA 2007. Lecture Notes in Computer Science, vol 4705. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-74472-6_75
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DOI: https://doi.org/10.1007/978-3-540-74472-6_75
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-74468-9
Online ISBN: 978-3-540-74472-6
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