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Authors: Tsukasa Ishiguro ; Shinsaku Kiyomoto and Yutaka Miyake

Affiliation: KDDI R&D Laboratories Inc., Japan

ISBN: 978-989-8565-73-0

Keyword(s): Attribute-Based Encryption (ABE), Access Control, Cloud Computing, Key Revocation, Mobile Cloud.

Related Ontology Subjects/Areas/Topics: Access Control ; Applied Cryptography ; Cryptographic Techniques and Key Management ; Data and Application Security and Privacy ; Data Engineering ; Data Protection ; Databases and Data Security ; Information and Systems Security ; Internet Technology ; Web Information Systems and Technologies

Abstract: In this paper, we propose a new Attribute-Based Encryption (ABE) scheme applicable to mobile cloud environments. A key issue in mobile cloud environments is how to reduce the computational cost on mobile devices and delegate the remaining computation to cloud environments. We also consider two additional issues: an efficient key revocation mechanism for ABE based on a concept of token-controlled public key encryption, and attribute hiding encryption from a cloud server. To reduce the computational cost on the client side, we propose an efficient ABE scheme jointly with secure computing on the server side. We analyze the security of our ABE scheme and evaluate the transaction time of primitive functions implemented on an Android mobile device and a PC. The transaction time of our encryption algorithm is within 150 msec for 89-bit security and about 600 msec for 128-bit security on the mobile device. Similarly, the transaction time of the decryption algorithm is within 50 msec for 89-bi t security and 200 msec for 128-bit security. (More)

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Paper citation in several formats:
Ishiguro, T.; Kiyomoto, S. and Miyake, Y. (2013). A Key-revocable Attribute-based Encryption for Mobile Cloud Environments.In Proceedings of the 10th International Conference on Security and Cryptography - Volume 1: SECRYPT, (ICETE 2013) ISBN 978-989-8565-73-0, pages 51-61. DOI: 10.5220/0004505300510061

@conference{secrypt13,
author={Tsukasa Ishiguro. and Shinsaku Kiyomoto. and Yutaka Miyake.},
title={A Key-revocable Attribute-based Encryption for Mobile Cloud Environments},
booktitle={Proceedings of the 10th International Conference on Security and Cryptography - Volume 1: SECRYPT, (ICETE 2013)},
year={2013},
pages={51-61},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0004505300510061},
isbn={978-989-8565-73-0},
}

TY - CONF

JO - Proceedings of the 10th International Conference on Security and Cryptography - Volume 1: SECRYPT, (ICETE 2013)
TI - A Key-revocable Attribute-based Encryption for Mobile Cloud Environments
SN - 978-989-8565-73-0
AU - Ishiguro, T.
AU - Kiyomoto, S.
AU - Miyake, Y.
PY - 2013
SP - 51
EP - 61
DO - 10.5220/0004505300510061

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