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本文对张愚同志提出的背包公钥系统进行了初步分析。结果表明:(1)该系统是错误的。(2)欲使该系统能正确加、解密,则系统参数必须满足一定的条件,而此时整个系统又是很容易破译的。
This article has carried on the preliminary analysis to the backpack public key system that Comrade Zhang Yu proposed. The results show that: (1) The system is wrong. (2) For the system to be correctly added and decrypted, the system parameters must meet certain conditions, but at this time the entire system is very easy to decipher.