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...
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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 |
| _version_ | 1848790242677489664 |
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| author | Yap, Wun-She Heng, Swee-Huay Goi, Bok-Min |
| author_facet | Yap, Wun-She Heng, Swee-Huay Goi, Bok-Min |
| author_sort | Yap, Wun-She |
| building | MMU Institutional Repository |
| collection | Online Access |
| description | 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 scheme and the Li et al. certificateless proxy signature (CLPS) scheme are insecure against universal forgery.. More precisely, we show that any user who has a valid public-private key pair can act as. a cheating proxy signer and forge the proxy signature on behalf of the original signer at will, without obtaining the official delegation from the original signer. |
| first_indexed | 2025-11-14T18:09:30Z |
| format | Book Section |
| id | mmu-3132 |
| institution | Multimedia University |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-14T18:09:30Z |
| publishDate | 2007 |
| publisher | Springer Berlin Heidelberg |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | mmu-31322013-11-15T08:01:56Z http://shdl.mmu.edu.my/3132/ Cryptanalysis of some proxy signature schemes without certificates Yap, Wun-She Heng, Swee-Huay Goi, Bok-Min T Technology (General) QA75.5-76.95 Electronic computers. Computer science 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 scheme and the Li et al. certificateless proxy signature (CLPS) scheme are insecure against universal forgery.. More precisely, we show that any user who has a valid public-private key pair can act as. a cheating proxy signer and forge the proxy signature on behalf of the original signer at will, without obtaining the official delegation from the original signer. Springer Berlin Heidelberg 2007-05 Book Section NonPeerReviewed text en http://shdl.mmu.edu.my/3132/1/Cryptanalysis%20of%20Some%20Proxy%20Signature%20Schemes%20Without%20Certificates.pdf Yap, Wun-She and Heng, Swee-Huay and Goi, Bok-Min (2007) Cryptanalysis of some proxy signature schemes without certificates. In: Information Security Theory and Practices. Smart Cards, Mobile and Ubiquitous Computing Systems. Lecture Notes in Computer Science (4462). Springer Berlin Heidelberg, pp. 115-126. ISBN 978-3-540-72353-0 http://link.springer.com/chapter/10.1007%2F978-3-540-72354-7_10 10.1007/978-3-540-72354-7_10 10.1007/978-3-540-72354-7_10 10.1007/978-3-540-72354-7_10 |
| spellingShingle | T Technology (General) QA75.5-76.95 Electronic computers. Computer science Yap, Wun-She Heng, Swee-Huay Goi, Bok-Min Cryptanalysis of some proxy signature schemes without certificates |
| title | Cryptanalysis of some proxy signature schemes without certificates |
| title_full | Cryptanalysis of some proxy signature schemes without certificates |
| title_fullStr | Cryptanalysis of some proxy signature schemes without certificates |
| title_full_unstemmed | Cryptanalysis of some proxy signature schemes without certificates |
| title_short | Cryptanalysis of some proxy signature schemes without certificates |
| title_sort | cryptanalysis of some proxy signature schemes without certificates |
| topic | T Technology (General) QA75.5-76.95 Electronic computers. Computer science |
| url | http://shdl.mmu.edu.my/3132/ http://shdl.mmu.edu.my/3132/ http://shdl.mmu.edu.my/3132/ http://shdl.mmu.edu.my/3132/1/Cryptanalysis%20of%20Some%20Proxy%20Signature%20Schemes%20Without%20Certificates.pdf |