New PDF release: Trusted Systems: 7th International Conference, INTRUST 2015,

By Moti Yung, Jianbiao Zhang, Zhen Yang

ISBN-10: 3319315498

ISBN-13: 9783319315492

ISBN-10: 3319315501

ISBN-13: 9783319315508

This e-book constitutes the completely refereed post-conference lawsuits of the seventh overseas convention on depended on platforms, INTRUST 2015, held in Beijing, China, in December 2015.

The revised 12 complete papers offered were conscientiously reviewed and chosen from 29 submissions. they're dedicated to all points of relied on computing platforms, together with depended on modules, structures; networks, providers and functions. The papers are geared up within the following sections: encryptions and signatures; protection version; relied on applied sciences; software program and process security.

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Additional resources for Trusted Systems: 7th International Conference, INTRUST 2015, Beijing, China, December 7-8, 2015, Revised Selected Papers

Example text

How to use general aggregate signatures on network graph Fig. 2. How to use sequential aggregate signatures on network graph Generic Construction. A general aggregate signature scheme is generically constructed by utilizing a full-domain hash construction with bilinear maps. Here, the bilinear maps are defined as follows: Let G and GT be groups with the same prime order p. A bilinear map e : G × G → GT is a map such that the following conditions hold, where g is a generator of G: (Bilinearity) For all u, v ∈ G and a, b ∈ Z∗p , e(ua , v b ) = e(u, v)ab ; (Non-degeneracy) For any generator g ∈ G, e(g, g) = 1GT , 1GT is an identity element over GT ; (Computable) There is an efficient algorithm to compute e(u, v) for any u, v ∈ G.

DE in our model manages and maintains nD data extraction processors (DEP1 , · · · , DEPnD ). Each extraction processor DEPi generates its own public and secret key pairs pkDEPi = (g, hDEPi ), hDEPi = g xDEPi and skDEPi = xDEPi independently. To enable users to obtain the corresponding plaintexts from the retrieved encrypted data, O delegates her decryption right to data extraction processors by invoking the Shamir’s (mD , nD )-secret-key sharing algorithm such that any mD combinations of shares is sufficiently to reconstruct the mask encryption key by applying the Lagrange Interpolation Formula.

Notice that once the public information is outsourced to the bulletin board it cannot be deleted or modified by the original public information creator. The integrate of the outsourced public information is managed and maintained by a trusted certificate authority. 1. A database management system (DBM S) takes as input the security parameter 1k and outputs system wide parameters params and a pair of public/secret keys (pkDB , skDB ). params is publicly known by all participants. 2. A set of data owners are involved in a searchable encryption scheme.

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Trusted Systems: 7th International Conference, INTRUST 2015, Beijing, China, December 7-8, 2015, Revised Selected Papers by Moti Yung, Jianbiao Zhang, Zhen Yang


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