Abstract
Protocol Hsu et.al first introduced in 2012 and is the protocol type Group Key Transfer based Linear Shamir's Secret Sharing Scheme (LSSS). The main idea of this protocol is to use m-secret sharing perspective. This protocol assumes that the difficulty of discrete logarithm problem (DLP) (ie given is computationally very difficult/not feasible to count ) and Cryptographyc Diffie Hellman (CDH) (ie given and it is computationally very difficult/not feasible to count ) in . Thus, it needs to analyze the security attributes to this mechanism Protocol Hsu. Good cryptographic protocols should meet the security attributes Known Security Key, Key-Compromise Impersonation Resillience, Unknown Key-Share Resillience, Key Control and Key Confirmation.
Highlights
This protocol assumes that the difficulty of discrete logarithm problem
analyze the security attributes to this mechanism Protocol Hsu
B., Johnson, D., dan Menezes, A., Key agreement protocols and their security analysis, Proceedings of the 6th IMA International Conference on Cryptography and Coding, London, UK, 1997
Summary
Protokol Key establishment merupakan salah satu prinsip dasar dalam membangun kriptografi, dimana didefinisikan sebagai proses untuk menyediakan kunci rahasia bersama diantara dua atau lebih pihak yang berkomunikasi, untuk penggunaan kriptografi berikutnya. Protokol key transport dibuat untuk komunikasi dan transmisi kunci secara aman oleh dua pihak entitas atau lebih, namun yang aktif dalam pembentukan kunci hanya salah satu pihak. Protokol key establishment secara tradisional berada diantara protokol yang sulit untuk dibangun dan meyakinkan proses pertukaran kunci dapat dilakukan secara aman. 1.2 Maksud dan Tujuan Melihat kondisi saat ini banyaknya penerapan protokol kriptografi terutama protokol Key Establishment yang digunakan untuk menyediakan kunci rahasia secara aman seperti protokol Hsu, maka dalam penelitian ini penulis bermaksud memberikan pemahaman dan mengidentifikasi atribut keamanan yang yang telah dipenuhi sehingga dapat dikatakan protokol Hsu terhindar dari serangan active attack. Mengidentifikasi atribut keamanan sehingga dapat dikatakan protokol Hsu merupakan protokol kriptografi yang aman
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