Cryptanalysis of some proxy signature schemes without certificates
The concept of proxy signature was introduced by Mambo et al. to delegate signing capability in the digital world. In this paper, we show that three existing proxy signature schemes without certificates, namely, the Qian and Cao identity-based proxy signature (IBPS) scheme, the Guo et al. IBPS schem...
| Main Authors: | , , |
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| Format: | Book Section |
| Language: | English |
| Published: |
Springer Berlin Heidelberg
2007
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| Subjects: | |
| Online Access: | http://shdl.mmu.edu.my/3132/ http://shdl.mmu.edu.my/3132/1/Cryptanalysis%20of%20Some%20Proxy%20Signature%20Schemes%20Without%20Certificates.pdf |