نتایج جستجو برای: position based cryptography

تعداد نتایج: 3129196  

2004
Byoungcheon Lee Colin Boyd Ed Dawson Kwangjo Kim Jeongmo Yang Seungjae Yoo

ID-based cryptosystems have many advantages over PKI based cryptosystems in key distribution, but they also have an inherent drawback of key escrow problem, i.e. users’ private keys are known to the key generation center (KGC). Therefore secure key issuing (SKI) is an important issue in ID-based cryptography. In multiple authority approach (Boneh & Franklin 2001, Chen et al. 2002), key generati...

Journal: :I. J. Network Security 2016
Feng Wang Chin-Chen Chang Changlu Lin Shih-Chang Chang

The term “proxy multi-signature” refers to the situation in which a proxy signer is authorized to sign a message on behalf of a group of original signers. Combined with identity-based cryptography, we proposed an efficient identity-based proxy multi-signature scheme using cubic residues without bilinear pairing. Our scheme is secure against existential forgery on adaptive chosenmessage and iden...

Journal: :International Journal of Computer Mathematics 2013

Journal: :Journal of Computer Science & Systems Biology 2011

Journal: :International Journal for Research in Applied Science and Engineering Technology 2019

Journal: :Applied sciences 2023

This paper suggests a novel one-dimensional (1D) map to address the limitations of traditional chaotic 1D maps. In contrast maps, proposed has three control parameters a, μ, and c, allowing it exhibit behavior over wide range values. The dynamic new was analyzed using well-known numerical methods, including bifurcation diagram Lyapunov exponent. Both tests showed their complex diverse behavior....

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