G som i hemlig
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.
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.
