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首页> 外文期刊>Cybernetics and Systems Analysis >AMOUNT OF KEY INFORMATION CONTAINED IN PLAIN AND ENCRYPTED TEXT SETS OF THE SYMMETRIC RANDOMIZED McELIECE CRYPTOSYSTEM
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AMOUNT OF KEY INFORMATION CONTAINED IN PLAIN AND ENCRYPTED TEXT SETS OF THE SYMMETRIC RANDOMIZED McELIECE CRYPTOSYSTEM

机译:普通和加密文本集中包含的关键信息的数量,对称随机模块密码系统

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摘要

A symmetric code cryptosystem, which is similar to the randomized (asymmetric) McEliece encryption scheme, is considered. An expression for the amount of information on the private key, which can be extracted from public and respective encrypted messages of the cryptosystem, is obtained. It is shown that with this information, the security of the symmetric cryptosystem against attacks based on the known ciphertext coincides with the security of its asymmetric counterpart.
机译:考虑了类似于随机(非对称)MECELIENCE加密方案的对称代码密码系统。可以获得可以从密码系统的公共密钥和相应加密消息中提取的私钥的信息量的表达式。如图所示,利用此信息,对称密码系统对基于已知密文的攻击的安全性与其非对称对应的安全性。

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