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The M209 cipher machine: a war of words

 

作者: R.F.Churchhouse,  

 

期刊: IEE Review  （IET Available online 1993）
卷期: Volume 39, issue 4  

页码: 173-175

 

ISSN:0953-5683

 

年代: 1993

 

DOI:10.1049/ir:19930081

 

出版商: IEE

 

数据来源: IET

 

摘要:

One cryptographical device of the Second World War was so effective that it remained in use until the mid-1970s, when the spread of digital computers finally rendered it obsolete.

 

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