| 基于椭圆曲线密码体制的动态门限密钥托管方案 |
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| 引用本文： | 朱清芳,王天芹. 基于椭圆曲线密码体制的动态门限密钥托管方案[J]. 网络安全技术与应用, 2007, 0(6): 94-95 |
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| 作者姓名： | 朱清芳 王天芹 |
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| 作者单位： | 河南大学数据与知识工程研究所,河南,475004 |
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| 摘 要： | 本文实现了基于椭圆曲线的密钥托管方案,简化了托管子密钥的传递,同时有效解决了托管子密钥的动态更新、动态分配问题,并且效率更高。方案的安全性是基于求解有限域上椭圆曲线离散对数的困难性。
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| 关 键 词： | 椭圆曲线 密钥托管 托管子密钥 椭圆曲线离散对数 |
The Dynamic Threshold Key Escrow Scheme Based on Elliptic Curve Cryptosystem |
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| Zhu Qingfang,Wang Tianqin. The Dynamic Threshold Key Escrow Scheme Based on Elliptic Curve Cryptosystem[J]. Net Security Technologies and Application, 2007, 0(6): 94-95 |
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| Authors: | Zhu Qingfang Wang Tianqin |
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| Abstract: | In this paper,we propose a dynamic key escrow scheme based on elliptic curve cryptosystem.In the scheme,we simplify the transmission of escrowed key,also solve the problems of dynamic update and dynamic allocation of the escrowed key,besides,the scheme is more high efficiency.Security of this scheme is based on difficulty of solving discrete logarithm in finite filed. |
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| Keywords: | elliptic curve key escrow son key escrowed discrete logarithm of elliptic curve |
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