可证明安全签密方案及其混合结构

Abstract

Abstract:

By using the Tag-KEM/DEM hybrid encryption technique and based on a provable security signcryption hybrid construction SCTK/DEM proposed by Bj￠rstad in 2006, a new signcryption scheme is given. By analyzing its hybrid construction, it is obtained that the proposed signcryption scheme is up to the SCTK/DEM construction. So, it has provable security. Moreover, compared with the famous signcryption scheme SCS, the high efficiency of our proposed scheme is shown at the same time.

Key words: cryptography, signcryption, encapsulation, hybrid encryption, construction, efficiency

CLC Number:

TN918.1

ZHANG Chuan-rong;ZHANG Yu-qing. Provable security signcryption scheme and its hybrid construction[J].J4, 2009, 36(4): 756-760.

References

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Provable security signcryption scheme and its hybrid construction

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