Provable Secure and Compact Certificateless Aggregate Signcryption Scheme

doi:10.11999/JEIT150407

Volume 37 Issue 12

Jan. 2016

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Article Navigation > Journal of Electronics & Information Technology > 2015 > 37(12): 2838-2844

Provable Secure and Compact Certificateless Aggregate Signcryption Scheme[J]. Journal of Electronics & Information Technology, 2015, 37(12): 2838-2844. doi: 10.11999/JEIT150407

Citation:

Provable Secure and Compact Certificateless Aggregate Signcryption Scheme[J]. Journal of Electronics & Information Technology, 2015, 37(12): 2838-2844. doi: 10.11999/JEIT150407

Provable Secure and Compact Certificateless Aggregate Signcryption Scheme[J]. Journal of Electronics & Information Technology, 2015, 37(12): 2838-2844. doi: 10.11999/JEIT150407

Citation:

Provable Secure and Compact Certificateless Aggregate Signcryption Scheme[J]. Journal of Electronics & Information Technology, 2015, 37(12): 2838-2844. doi: 10.11999/JEIT150407

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Provable Secure and Compact Certificateless Aggregate Signcryption Scheme

doi: 10.11999/JEIT150407

Funds:

The National Natural Science Foundation of China (61163038, 61262056, 61262057)

Received Date: 2015-04-08
Rev Recd Date: 2015-07-03
Publish Date: 2015-12-19

Abstract

Abstract

Certificateless aggregate signcryption not only can ensure the confidentiality and authentication of information transmission, but also can reduce the cost of data communication and the verification of ciphertexts. Through analyzing some existing certificateless aggregate signcryption schemes, it is found that their efficiencies are much lower. A provable secure certificateless compact aggregate signcryption scheme is proposed in this paper. In the new scheme, the pairing numbers, not depending on the number of signcryption users, are constant when aggregate ciphertexts are verified. Compared with the existing certificateless aggregate signcryption schemes, the new scheme decreases pairing numbers and raise the efficiency of verification. Moreover, based on the assumption of bilinear Diffie-Hellman and computational Diffie-Hellman, in the random oracle model, it is proved that the new scheme satisfies the properties of confidentiality and unforgeability.
- Certificateless signcryption,
- Aggregate signcryption,
- Bilinear Diffie-Hellman problem,
- Computational Diffie-Hellman problem,
- Public verification

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References(20)

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