G som i hemlig

G som i hemlig

وثائقي

G som i hemlig

43 دقيقة
1994/03/03
0.0

نظرة عامة

About the Siemens Geheimschreiber - G printer - a crypto machine that Hitler's engineers designed in the 30's. The mathematician Arne Beurling at Uppsala University revealed the G-printer's secret.

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