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   A New Ringbased Sphf and Pake Protocol on Ideal Lattices  
   
نویسنده Hassani Karbasi Amir ,Ebrahimi Atani Reza ,Ebrahimi Atani Shahabaddin
منبع The Isc International Journal Of Information Security - 2019 - دوره : 11 - شماره : 1 - صفحه:75 -85
چکیده    Smooth projective hash functions (sphfs) as a speci c pattern of zero knowledge proof system are fundamental tools to build many eficient cryptographic schemes and protocols. as an application of sphfs, password-based authenticated key exchange (pake) protocol is well-studied area in the last few years. in 2009, katz and vaikuntanathan described the rst lattice-based pake using the learning with errors (lwe) problem. in this work, we present a new ecient ring-based smooth projective hash function (ring-sphf) using lyubashevsky, peikert, and regev's dual-style cryptosystem based on the learning with errors over rings (ring-lwe) problem. then, using our ring-sphf, we propose an eficient password-based authenticated key exchange (ring-pake) protocol over rings whose security relies on ideal lattice assumptions.
کلیدواژه Lattice Based Cryptography ,Ringlwe ,Sphf ,Pake
آدرس University Of Guilan, Department Of Mathematics, ایران, University Of Guilan, Department Of Computer Engineering, ایران, University Of Guilan, Department Of Mathematics, ایران
پست الکترونیکی ebrahimiatani@gmail.com
 
 

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