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With the rapid development of MANET, secure and practical authentication isbecoming increasingly important. The existing works perform the research fromtwo aspects, i.e., (a)secure key division and distributed storage, (b)securedistributed authentication. But there still exist several unsolved problems.Specifically, it may suffer from cheating problems and fault authenticationattack, which can result in authentication failure and DoS attack towardsauthentication service. Besides, most existing schemes are not withsatisfactory efficiency due to exponential arithmetic based on Shamir's scheme.In this paper, we explore the property of verifiable secret sharing(VSS)schemes with Chinese Remainder Theorem (CRT), then propose a secret keydistributed storage scheme based on CRT-VSS and trusted computing for MANET.Specifically, we utilize trusted computing technology to solve two existingcheating problems in secret sharing area before. After that, we do the analysisof homomorphism property with CRT-VSS and design the correspondingshares-product sharing scheme with better concision. On such basis, a securedistributed Elliptic Curve-Digital Signature Standard signature (ECC-DSS)authentication scheme based on CRT-VSS scheme and trusted computing isproposed. Furthermore, as an important property of authentication scheme, wediscuss the refreshing property of CRT-VSS and do thorough comparisons withShamir's scheme. Finally, we provide formal guarantees towards our schemesproposed in this paper.

A Secure Distributed Authentication scheme based on CRT-VSS and Trusted Computing in MANET