'Multiplicative group' diaporamas de présentation

Data Security for Cloud Storage Systems

698 views • 37 slides

A new certificateless aggregate signature scheme

A new certificateless aggregate signature scheme. Computer communications 32(2009) 1079-1085 Author: Lei Zhang, Futai Zhang Presenter: ???. Outline. Introduction Preliminaries A CLAS scheme Two type of adversaries An efficient certificateless aggregate sig nature scheme Security proof.

484 views • 36 slides

RSA Variants

RSA Variants. Rabin Scheme(I). Scheme Select s.t. p and q = 3 mod 4 n=pq, public key = n , private key = p,q y= e k (x)=x (x+b) mod n x=d k (y)= ? y mod n Choose one of 4 solutions using redundancy Square root

314 views • 22 slides

Linkability of Some Blind Signature Schemes

Linkability of Some Blind Signature Schemes. Swee-Huay Heng 1 , Wun-She Yap 1 Khoongming Khoo 2 1 Multimedia University, 2 DSO National Laboratories. Introduction. Blind Signature Schemes. A blind signature scheme is a 2-party protocol between a user and a signer.

529 views • 20 slides

Euclidean Division, or Division with Remainder

Number Through a Group Theoretic Lens Hyman Bass University of Michigan Klein Project Session Mathfest Pittsburgh, August 7, 2010. Euclidean Division, or Division with Remainder. Given a, b in R , a ? 0, there exist unique real q, r with b = qa + r q in Z and 0 ? r ? |a|

195 views • 19 slides