Analysis and improvement of the CS-based fair exchange protocol
Through analysis,the perfect concurrent signature（CS）based fair exchange protocol did not satisfy the prop-erty of the abuse-freeness if both parties were honest.Before releasing the secret information（keystone）,anyone could identify who was the real signer when two parties had exchanged their two a...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | zho |
| Published: |
Editorial Department of Journal on Communications
2010-01-01
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| Series: | Tongxin xuebao |
| Subjects: | |
| Online Access: | http://www.joconline.com.cn/zh/article/74648208/ |
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| _version_ | 1850030997079326720 |
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| author | SUN Yan-bin1 GU Li-ze1 SUN Yan3 QING Si-han4 YANG Yi-xian1 CHEN Guang-hui1 |
| author_facet | SUN Yan-bin1 GU Li-ze1 SUN Yan3 QING Si-han4 YANG Yi-xian1 CHEN Guang-hui1 |
| author_sort | SUN Yan-bin1 |
| collection | DOAJ |
| description | Through analysis,the perfect concurrent signature（CS）based fair exchange protocol did not satisfy the prop-erty of the abuse-freeness if both parties were honest.Before releasing the secret information（keystone）,anyone could identify who was the real signer when two parties had exchanged their two ambiguous signatures and relative data items.Then,an improved perfect concurrent signature-based fair exchange protocol was presented which overcame the flaw of the previous scheme and realized the property of the abuse-freeness.Meanwhile,the improved scheme also remains the properties of the previous perfect concurrent signature-based fair exchange protocol,such as fairness,non-repudiation and simple efficiency,and only needs four messages between two parties. |
| format | Article |
| id | doaj-art-acefbed5822d4ac0a5fa9eb0aaf3162f |
| institution | DOAJ |
| issn | 1000-436X |
| language | zho |
| publishDate | 2010-01-01 |
| publisher | Editorial Department of Journal on Communications |
| record_format | Article |
| series | Tongxin xuebao |
| spelling | doaj-art-acefbed5822d4ac0a5fa9eb0aaf3162f2025-08-20T02:59:04ZzhoEditorial Department of Journal on CommunicationsTongxin xuebao1000-436X2010-01-013114615074648208Analysis and improvement of the CS-based fair exchange protocolSUN Yan-bin1GU Li-ze1SUN Yan3QING Si-han4YANG Yi-xian1CHEN Guang-hui1Through analysis,the perfect concurrent signature（CS）based fair exchange protocol did not satisfy the prop-erty of the abuse-freeness if both parties were honest.Before releasing the secret information（keystone）,anyone could identify who was the real signer when two parties had exchanged their two ambiguous signatures and relative data items.Then,an improved perfect concurrent signature-based fair exchange protocol was presented which overcame the flaw of the previous scheme and realized the property of the abuse-freeness.Meanwhile,the improved scheme also remains the properties of the previous perfect concurrent signature-based fair exchange protocol,such as fairness,non-repudiation and simple efficiency,and only needs four messages between two parties.http://www.joconline.com.cn/zh/article/74648208/perfect concurrent signaturefair exchange protocolabuse-freenessfairness |
| spellingShingle | SUN Yan-bin1 GU Li-ze1 SUN Yan3 QING Si-han4 YANG Yi-xian1 CHEN Guang-hui1 Analysis and improvement of the CS-based fair exchange protocol Tongxin xuebao perfect concurrent signature fair exchange protocol abuse-freeness fairness |
| title | Analysis and improvement of the CS-based fair exchange protocol |
| title_full | Analysis and improvement of the CS-based fair exchange protocol |
| title_fullStr | Analysis and improvement of the CS-based fair exchange protocol |
| title_full_unstemmed | Analysis and improvement of the CS-based fair exchange protocol |
| title_short | Analysis and improvement of the CS-based fair exchange protocol |
| title_sort | analysis and improvement of the cs based fair exchange protocol |
| topic | perfect concurrent signature fair exchange protocol abuse-freeness fairness |
| url | http://www.joconline.com.cn/zh/article/74648208/ |
| work_keys_str_mv | AT sunyanbin1 analysisandimprovementofthecsbasedfairexchangeprotocol AT gulize1 analysisandimprovementofthecsbasedfairexchangeprotocol AT sunyan3 analysisandimprovementofthecsbasedfairexchangeprotocol AT qingsihan4 analysisandimprovementofthecsbasedfairexchangeprotocol AT yangyixian1 analysisandimprovementofthecsbasedfairexchangeprotocol AT chenguanghui1 analysisandimprovementofthecsbasedfairexchangeprotocol |