Venona: Difference between revisions
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The cipher was a [[one-time pad]], provably perfectly secure (with limitations that are not relevant here) when correctly implemented and used. However, Soviet procedures were flawed; they sometimes re-used keys. This gave the NSA the opening they needed. | The cipher was a [[one-time pad]], provably perfectly secure (with limitations that are not relevant here) when correctly implemented and used. However, Soviet procedures were flawed; they sometimes re-used keys. This gave the NSA the opening they needed. | ||
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Revision as of 21:20, 2 August 2008
The NSA Venona [1] project was a successful attack on a Soviet diplomatic cipher during the Cold War.
The cipher was a one-time pad, provably perfectly secure (with limitations that are not relevant here) when correctly implemented and used. However, Soviet procedures were flawed; they sometimes re-used keys. This gave the NSA the opening they needed.