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When the NSA\'s code-breaking machine encounters a code it cannot break, the agency calls in its head cryptographer, Susan Fletcher. What she uncovers sends shock waves through the corridors of power. The NSA is being held hostage not by guns or bombs, but by a code so complex that, if released, it would cripple U.S. intelligence
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Keywords: breaking;code;machine;nsas
File Size: 430 KBytes