PHOABE : securely outsourcing multi-authority attribute based encryption with policy hidden for cloud assisted IoT

Sana Belguith; N Kaaniche; M Laurent; A Jemai; R Attia

doi:10.1016/j.comnet.2018.01.036

PHOABE : securely outsourcing multi-authority attribute based encryption with policy hidden for cloud assisted IoT

Sana Belguith, N Kaaniche, M Laurent, A Jemai, R Attia

Department of Computer Science

Research output: Contribution to journal › Article (Academic Journal) › peer-review

150 Citations (Scopus)

Abstract

Attribute based encryption (ABE) is an encrypted access control mechanism that ensures efficient data sharing among dynamic group of users. Nevertheless, this encryption technique presents two main drawbacks, namely high decryption cost and publicly shared access policies, thus leading to possible users’ privacy leakage.

In this paper, we introduce PHOABE, a Policy-Hidden Outsourced ABE scheme. Our construction presents several advantages. First, it is a multi-attribute authority ABE scheme. Second, the expensive computations for the ABE decryption process is partially delegated to a Semi Trusted Cloud Server. Third, users’ privacy is protected thanks to a hidden access policy. Fourth, PHOABE is proven to be selectively secure, verifiable and policy privacy preserving under the random oracle model. Five, estimation of the processing overhead proves its feasibility in IoT constrained environments.

Original language	English
Journal	Computer Networks
DOIs	https://doi.org/10.1016/j.comnet.2018.01.036
Publication status	Published - 3 Feb 2018

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title = "PHOABE : securely outsourcing multi-authority attribute based encryption with policy hidden for cloud assisted IoT",

abstract = "Attribute based encryption (ABE) is an encrypted access control mechanism that ensures efficient data sharing among dynamic group of users. Nevertheless, this encryption technique presents two main drawbacks, namely high decryption cost and publicly shared access policies, thus leading to possible users{\textquoteright} privacy leakage. In this paper, we introduce PHOABE, a Policy-Hidden Outsourced ABE scheme. Our construction presents several advantages. First, it is a multi-attribute authority ABE scheme. Second, the expensive computations for the ABE decryption process is partially delegated to a Semi Trusted Cloud Server. Third, users{\textquoteright} privacy is protected thanks to a hidden access policy. Fourth, PHOABE is proven to be selectively secure, verifiable and policy privacy preserving under the random oracle model. Five, estimation of the processing overhead proves its feasibility in IoT constrained environments.",

author = "Sana Belguith and N Kaaniche and M Laurent and A Jemai and R Attia",

year = "2018",

month = feb,

day = "3",

doi = "10.1016/j.comnet.2018.01.036",

language = "English",

journal = "Computer Networks",

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T1 - PHOABE : securely outsourcing multi-authority attribute based encryption with policy hidden for cloud assisted IoT

AU - Belguith, Sana

AU - Kaaniche, N

AU - Laurent, M

AU - Jemai, A

AU - Attia, R

PY - 2018/2/3

Y1 - 2018/2/3

N2 - Attribute based encryption (ABE) is an encrypted access control mechanism that ensures efficient data sharing among dynamic group of users. Nevertheless, this encryption technique presents two main drawbacks, namely high decryption cost and publicly shared access policies, thus leading to possible users’ privacy leakage. In this paper, we introduce PHOABE, a Policy-Hidden Outsourced ABE scheme. Our construction presents several advantages. First, it is a multi-attribute authority ABE scheme. Second, the expensive computations for the ABE decryption process is partially delegated to a Semi Trusted Cloud Server. Third, users’ privacy is protected thanks to a hidden access policy. Fourth, PHOABE is proven to be selectively secure, verifiable and policy privacy preserving under the random oracle model. Five, estimation of the processing overhead proves its feasibility in IoT constrained environments.

AB - Attribute based encryption (ABE) is an encrypted access control mechanism that ensures efficient data sharing among dynamic group of users. Nevertheless, this encryption technique presents two main drawbacks, namely high decryption cost and publicly shared access policies, thus leading to possible users’ privacy leakage. In this paper, we introduce PHOABE, a Policy-Hidden Outsourced ABE scheme. Our construction presents several advantages. First, it is a multi-attribute authority ABE scheme. Second, the expensive computations for the ABE decryption process is partially delegated to a Semi Trusted Cloud Server. Third, users’ privacy is protected thanks to a hidden access policy. Fourth, PHOABE is proven to be selectively secure, verifiable and policy privacy preserving under the random oracle model. Five, estimation of the processing overhead proves its feasibility in IoT constrained environments.

UR - https://doi.org/10.1016/j.comnet.2018.01.036

U2 - 10.1016/j.comnet.2018.01.036

DO - 10.1016/j.comnet.2018.01.036

M3 - Article (Academic Journal)

SN - 1389-1286

JO - Computer Networks

JF - Computer Networks

ER -

PHOABE : securely outsourcing multi-authority attribute based encryption with policy hidden for cloud assisted IoT

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