A searchable encryption of CP-ABE scheme in cloud storage

Xiong, Anping; Gan, Qi-Xian; He, Xu; Qing, Zhao

doi:10.1109/iccwamtip.2013.6716664

Cited by 17 publications

(9 citation statements)

References 2 publications

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“…The authors of [36], combine the traditional CP-ABE algorithm and a homomorphic encryption algorithm to achieve a searchable ciphertext CP-ABE access control scheme. In their scheme, message is encrypted under homomorphic encryption methods and the key of homomorphic encryption is encrypted using CP-ABE.…”

Section: Related Workmentioning

confidence: 99%

A Novel Approach for Searchable CP-ABE with Hidden Ciphertext-Policy

Padhya

Jinwala

2014

Lecture Notes in Computer Science

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Abstract. Ciphertext policy attribute based encryption (CP-ABE) is a technique in which a user with secret key containing attributes is only able to decrypt the message if the attributes in the policy match with the attributes in secret key. Therefore, CP-ABE is suitable for some interesting applications such as cloud computing which requires both security assurances and access control over encrypted data simultaneously. However, we observed that all existing CP-ABE schemes entail a limitation that, if an authorized user wants to search for an encrypted file having particular keywords, then he has to first download and then decrypt the file before searching for particular keywords. When applied to an application involving a cloud, because the number of files on the cloud is likely to be huge, all these process results in large overhead for user.Therefore, to overcome this limitation, we proposed a new searchable CP-ABE scheme in this paper, that allows the authorized user to check whether the ciphertext contains specific set of keywords or not, using his own token without decrypting the message. The label and keywords attached with ciphertext and secret key respectively, do not reveal any information about the data unless given the authorized token. In addition, our proposed scheme provides receiver anonymity also. The security analysis shows that privacy in this new solution is achieved with an overwhelmingly large probability. Equipping CP-ABE scheme with keyword-searching capability reduces the searching time of ciphertext having particular keywords. To the best of our knowledge ours is the first efficient collusion resistant searchable CP-ABE scheme with hidden ciphertext policy which uses few and fixed number of pairing operation in key word search as well as decryption algorithm.

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Section: Related Workmentioning

confidence: 99%

A Novel Approach for Searchable CP-ABE with Hidden Ciphertext-Policy

Padhya

Jinwala

2014

Lecture Notes in Computer Science

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“…al. [10] proposes CP-ABE (Ciphertext-Policy Attribute-Based Encryption) that owners which encryptors can define their own data access policies by themselves, that more suitable for the implementation of access control to shared data in the cloud storage environment. At present, a large number of research on the CP-ABE access control, and these scheme give more consideration to the flexibility of the attribute-based access control, or focus on fine-grained access control of encrypted data, and they less consider the result of cipher-text redundancy, or the keys update frequently.…”

Section: Literature Reviewmentioning

confidence: 99%

Analysis of Homomorphic Technique and Secure Hash Technique for Multimedia Content System

Ighare¹

2017

IJERA

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“…Here, make reference [32] to homomorphic encryption algorithm as follows: Here, make reference [32] to homomorphic encryption algorithm as follows:…”

Section: Definitionmentioning

confidence: 99%

“…Homomorphic encryption According to the feature of homomorphic encryption, we can know that the output of data processed after homomorphic encryption and the output of decryption results for processing the original data that is not encrypted by the same method are the same. Here, make reference [32] to homomorphic encryption algorithm as follows:…”

Section: Definitionmentioning

confidence: 99%

Searchable ciphertext‐policy attribute‐based encryption with revocation in cloud storage

Shi

Zhang

2015

Int J Communication

123

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Attribute based encryption (ABE) is a good way to achieve flexible and secure access control to data, and attribute revocation is the extension of the attribute-based encryption, and the keyword search is an indispensable part for cloud storage. The combination of both has an important application in the cloud storage. In this paper, we construct a searchable attribute based encryption scheme with attribute revocation in cloud storage, the keyword search in our scheme is attribute based with access control, when the search succeeds, the cloud server returns the corresponding cipher text to user and the user can decrypt the cipher text definitely. Besides, our scheme supports multiple keywords search, which makes the scheme more practical. Under the assumption of decisional bilinear Diffie-Hell-man exponent (q-BDHE) and decisional Diffie-Hellman (DDH) in the selective security model, we prove that our scheme is secure.

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A searchable encryption of CP-ABE scheme in cloud storage

Cited by 17 publications

References 2 publications

A Novel Approach for Searchable CP-ABE with Hidden Ciphertext-Policy

A Novel Approach for Searchable CP-ABE with Hidden Ciphertext-Policy

Analysis of Homomorphic Technique and Secure Hash Technique for Multimedia Content System

Searchable ciphertext‐policy attribute‐based encryption with revocation in cloud storage

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