<abstract xmlns="http://www.w3.org/1999/xhtml"><p>To deal with the key-exposure protection problem in attribute-based signature systems, we extend the parallel key-insulated mechanism to attribute-based signature scenarios, and then introduce the primitive of an Attribute-Based Parallel Key-Insulated Signature (ABPKIS). After formalizing the definition and security notions for ABPKIS, a concrete ABPKIS scheme is presented. The security of our proposed ABPKIS scheme can be proved on a standard model. According to our knowledge, this is the first ABPKIS scheme up to now. Moreover, this is also the first concrete attribute-based key-insulated signature construction supporting multi-helpers.</p></abstract>

To deal with the key-exposure protection problem in attribute-based signature systems, we extend the parallel key-insulated mechanism to attribute-based signature scenarios, and then introduce the primitive of an Attribute-Based Parallel Key-Insulated Signature (ABPKIS). After formalizing the definition and security notions for ABPKIS, a concrete ABPKIS scheme is presented. The security of our proposed ABPKIS scheme can be proved on a standard model. According to our knowledge, this is the first ABPKIS scheme up to now. Moreover, this is also the first concrete attribute-based key-insulated signature construction supporting multi-helpers.

Attribute-Based Parallel Key-Insulated Signature

Faculty of Computer Engineering, Huaiyin Institute of Technology, Huaian 223003, Jiangsu, China

Dept. of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

School of Science, Hangzhou Normal University, Hangzhou 310036, Zhejiang, China

Cybernetics and Information Technologies

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Attribute-Based Parallel Key-Insulated Signature"}

To deal with the key-exposure protection problem in attribute-based signature systems, we extend the parallel key-insulated mechanism to attribute-based...

Attribute-Based Parallel Key-Insulated Signature

Published Online: Oct 05, 2015

Page range: 26 - 40

DOI: https://doi.org/10.1515/cait-2015-0039

Keywords
Parallel key-insulated, attribute-based signature, key-exposure

© Jianhong Chen et al.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Attribute-Based Parallel Key-Insulated Signature

Published Online: Oct 05, 2015

Page range: 26 - 40

DOI: https://doi.org/10.1515/cait-2015-0039

KeywordsParallel key-insulated, attribute-based signature, key-exposure

© Jianhong Chen et al.

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Parallel key-insulated, attribute-based signature, key-exposure