对一个强安全的认证密钥交换协议的分析

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	对一个强安全的认证密钥交换协议的分析
Alternative Title	Cryptanalysis of a Strongly Secure Authenticated Key Exchange Protocol
	胡学先; 魏江宏; 叶茂
	2013
Source	电子与信息学报
ISSN	1009-5896
Issue	9 Pages:2278-2282
English Abstract	在2012年第15届国际公钥密码学(PKC)年会上，Fujioka等人利用密钥封装机制(KEM)提出了认证密钥交换(AKE)协议的一个通用构造，称为GC协议，并在CK+模型下证明了该协议的安全性。该文对GC协议进行了安全性分析，指出该协议是不安全的，难于抵抗不知道任何秘密信息的外部攻击者实施的假冒攻击，进一步分析了原协议安全性证明中被疏忽之处。 In the 15th (2012) IACR international conference on practice and theory of Public-Key Cryptography (PKC), Fujioka et al. proposed a generic construction of Authenticated Key Exchange (AKE) from a Key Encapsulation Mechanism (KEM), which is called the GC protocol and is proven to be secure in the CK+security model. In this paper, it is pointed out by cryptanalysis that the GC protocol is not CK+secure. Concrete attacks in which the outside adversary, without knowing the static or ephemeral keys of the users, imitates a valid user are also given. Further, the errors in the original security proof are analyzed.
Keyword	密码学认证密钥交换可证明安全假冒攻击 Cryptography Authenticated Key Exchange (Ake) Provable Security Imitate Attack
Department	解放军信息工程大学郑州 450002; 中国科学院软件研究所北京 100190 解放军信息工程大学郑州 450002
Language	中文
Content Type	期刊论文
URI	http://ir.iscas.ac.cn/handle/311060/16976
Collection	中国科学院软件研究所
Recommended Citation GB/T 7714	胡学先,魏江宏,叶茂. 对一个强安全的认证密钥交换协议的分析[J]. 电子与信息学报,2013(9):2278-2282.
APA	胡学先,魏江宏,&叶茂.(2013).对一个强安全的认证密钥交换协议的分析.电子与信息学报(9),2278-2282.
MLA	胡学先,et al."对一个强安全的认证密钥交换协议的分析".电子与信息学报 .9(2013):2278-2282.

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