| Liu Jianhua (刘建华),Wu Qianhong,Liu Jianwei,Shang Tao.[J].高技术通讯(英文),2016,22(2):199~206 |
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| Identity-based proxy multi-signature applicable to secure E-transaction delegations |
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| DOI：10.3772/j.issn.1006-6748.2016.02.012 |
| 中文关键词: |
| 英文关键词: multi-signature, E-transaction, delegation, provable security, information security |
| 基金项目: |
| Author Name | Affiliation | | Liu Jianhua (刘建华) | | | Wu Qianhong | | | Liu Jianwei | | | Shang Tao | |
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| 中文摘要: |
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| 英文摘要: |
| To enhance the robustness of a proxy multi-signature scheme and improve its efficiency, a novel proxy signature paradigm is proposed referred to as identity-based proxy multi-signature (IBPMS). In this paradigm, multiple proxy signer candidates are employed to play a role of the single proxy signer in the existing model. A provably secure IBPMS scheme is presented which requires only one round broadcast operation. Performance analysis demonstrates that the new scheme outperforms the existing multi-signature schemes in robustness and communication. These properties are rendered to our IBPMS scheme as a more practical solution to secure e-transaction delegation applications of proxy signatures. |
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