An Ant-based Mobile Agent Approach to Resource Discovery in Grid Computing

2014 ◽  
Author(s):  
Devendra Gengan ◽  
Marthie A. Schoeman ◽  
John A. van der Poll
Keyword(s):  
Grid Computing ◽  
Mobile Agent ◽  
Resource Discovery

scholarly journals On the Security of a Certificateless Proxy Signature Scheme with Message Recovery

2013 ◽  
Vol 2013 ◽  
pp. 1-4 ◽  
Author(s):  
Wenbo Shi ◽  
Debiao He ◽  
Peng Gong
Keyword(s):  
Distributed Systems ◽  
Grid Computing ◽  
Mobile Agent ◽  
Mobile Communications ◽  
Distribution Networks ◽  
Proxy Signature ◽  
Type I ◽  
Signature Scheme ◽  
Practical Applications ◽  
Message Recovery

A proxy signature scheme allows a proxy signer to sign messages on behalf of an original signer within a given context. It has lots of practical applications in distributed systems, grid computing, mobile agent applications, distributed shared object systems, global distribution networks, and mobile communications. Recently, Padhye et al. proposed a certificateless proxy signature scheme with message recovery and claimed the scheme is secure against both of the two types of adversaries. However, in this paper, we will show that Padhye et al.’s scheme is not secure against the Type I adversary. The analysis shows their scheme is not secure for practical applications.

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