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本文揭示了由美国斯坦福大学的赫尔曼(Hellman)和梅克尔(Merkle)设计的公开密钥密码体制之一——渐缩密码体制是可破的。为了说明其破译分析方法,文章首先介绍了渐缩问题和渐缩密码体制的基本原理,其次介绍了贝尔研究所的P.S.Henry关于渐缩密码的快速解密算法,最后重点介绍了渐缩密码体制的破译分析方法。
This article reveals one of the public-key cryptosystems designed by Hellman and Merkle at Stanford University in the United States-the tapering cryptosystem is torn down. In order to illustrate its method of deciphering and analyzing, the article first introduces the basic principles of the tapering problem and the taper system. Secondly, it introduces PSHenry’s fast decryption algorithm of tapering codes at Bell Institute. Finally, Decoding analysis method.