| 关于RSA—TBOS安全性的一点注记 |
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| 引用本文： | 王绪安,张金丹,杨晓元.关于RSA—TBOS安全性的一点注记[J].武警工程学院学报,2010(6):35-36. |
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| 作者姓名： | 王绪安 张金丹 杨晓元 |
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| 作者单位： | [1]武警工程学院电子技术系,陕西西安710086 [2]咸阳职业技术学院电子信息系,陕西咸阳712000 |
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| 基金项目： | 基金项目：国家自然科学基金（60473029） |
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| 摘 要： | RSA—TBOS是在CT—RSA2003会议上提出的一种基于RSA的签密方案。它设计巧妙，使用双层包裹的方式将加密和签名融合到一起，使得签密密文的长度与普通签名或加密的长度相等，从而取得“一箭双雕”的效果。经对RSA—TBOS的安全性进行分析，证明了在某些特定参数设置下，RSA—TBOS的安全性不高。
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| 关 键 词： | 签密 RSA—TBOS 安全性分析 |
Some Notes on the Security of RSA- TBOS |
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| WANG Xu-an,ZHANG Jin-dan,YANG Xiao-yuan.Some Notes on the Security of RSA- TBOS[J].Journal of Engineering College of Armed Police Force,2010(6):35-36. |
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| Authors: | WANG Xu-an ZHANG Jin-dan YANG Xiao-yuan |
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| Institution: | 1. Eleetrieal Technical Department, Engineering College of CAPF, Xi＇an 710086, China 2. XianYang Vocational Technical College, XianYang 712000, China) |
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| Abstract: | RSA -TBOS is a signcryption scheme based on RSA which was proposed by Malone -Lee and WenBo Mao in CT - RSA2003. It combines signature and encryption into one integrated section which makes the length of signcryption be equal to the length of normal ciphertext and normal signature and getting a result of two birds one stone ! This paper gives some notes on the security of RSA - TBOS. We prove that some pa- rameter value can make the scheme insecure. At last, we give a proposal to corret this measure. |
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| Keywords: | Signcryption RSA - TBOS Security Analysis |
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