Paper Info
Title
Improved Identity Based Online/Offline Signature Scheme
Abstract
Online/offline signatures are used in many applications where the signer must respond quickly once the message to be signed is presented. The idea is to split the signing process into two phases: The first phase is performed offline before the message to be signed is available and the second phase is performed online after the message to be signed is provided. Recently, an identity-based online/offline signature scheme was proposed for authentication for routing in Mobile Ad Hoc Network. Unfortunately, we show that this scheme is insecure in the paper, it is universally forgeable. Anyone can produce a forged signature on arbitrary message without the private key of a signer and a valid signature of a message. To overcome the drawback, an improved scheme is proposed. A security analysis shows that the proposed scheme is proved secure against existential forgery on an adaptively chosen message attack under the assumption of Computational Diffie Hellman in the random oracle model.
Year
DOI
Venue
2010
10.1109/UIC-ATC.2010.20
UIC/ATC Workshops
Keywords
Field
DocType
mobile ad hoc network,arbitrary message,improved identity,offline signature scheme,improved scheme,offline signature,computational diffie hellman,proposed scheme,message attack,valid signature,identity-based online,wireless sensor networks,network routing,mobile ad hoc networks,computer network security,probabilistic logic,ubiquitous computing,security analysis,cryptography,random oracle model,digital signatures
Authentication,Cryptography,Computer science,Computer network,Random oracle,Digital signature,Group signature,Public-key cryptography,Blind signature,Diffie–Hellman key exchange
Conference
Citations 
PageRank 
References 
4
0.43
17
Authors
2
Name
Order
Citations
PageRank
Yang Ming1277.66
Yumin Wang222227.91