Certificateless Puklic Key Encryption With Equality Test of Supporting Keyword Search

Yulei ZHANG; Wenjuan CHEN; Yongjie ZHANG; Xuewei ZHANG; Caifen WANG

doi:10.11999/JEIT190752

Volume 42 Issue 11

Nov. 2020

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Article Navigation > Journal of Electronics & Information Technology > 2020 > 42(11): 2713-2719

Yulei ZHANG, Wenjuan CHEN, Yongjie ZHANG, Xuewei ZHANG, Caifen WANG. Certificateless Puklic Key Encryption With Equality Test of Supporting Keyword Search[J]. Journal of Electronics & Information Technology, 2020, 42(11): 2713-2719. doi: 10.11999/JEIT190752

Citation:

Yulei ZHANG, Wenjuan CHEN, Yongjie ZHANG, Xuewei ZHANG, Caifen WANG. Certificateless Puklic Key Encryption With Equality Test of Supporting Keyword Search[J]. Journal of Electronics & Information Technology, 2020, 42(11): 2713-2719. doi: 10.11999/JEIT190752

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Certificateless Puklic Key Encryption With Equality Test of Supporting Keyword Search

doi: 10.11999/JEIT190752

1.
Northwest Normal University, Lanzhou 730070, China
2.
Gansu Health Vocational, Lanzhou 730000, China
3.
Shenzhen Technology University, Shenzhen 518118, China

Funds: The National Natural Science Foundation of China(61662069), The Higher Educational Scientific Research Foundation of Gansu Province (2017A-003, 2018A-207)

Received Date: 2019-09-29
Rev Recd Date: 2020-04-23

Available Online: 2020-05-28

Publish Date: 2020-11-16

Abstract

Abstract

Public Key Encryption with Equality Test (PKEET) is an important method to achieve the equality test of ciphertexts which are generated by the different public key aiming to the same plaintext in cloud environment. In other words, it can tests the plaintext corresponding to the two ciphertext’s equivalence without decrypting the ciphertext, but does not supply the searchable function. Nowadays, the existing PKEET scheme takes directly the message to generate a trapdoor as the proof of equality test, which has low test accuracy and search efficiency. To solve the above problems, a certificateless public key encryption with equality test scheme supporting keyword search (CertificateLess Equality test EncrypTion with keyword Search, CLEETS) is proposed. The scheme determines whether it contains information needed by the user through the keyword search, then performs the equality test according to the search result, which can avoid invalid test. Then, it is proved that the scheme satisfies the indistinguishability of adaptive selection of keywords under the random oracle model. Finally, the comparison analyses of function and efficiency are performed. The results indicate the computation cost of CLEETS scheme is less efficient. Fortunately, it can realizes the function of keyword search in encryption with equality test, which can remedies the inefficiency.
- Certificateless public key cryptography,
- Encryption with keyword search,
- Equality test

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References(20)

References

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