Background
Crypto AG was a Swiss company specializing in communications and information security. It was secretly jointly owned by the American Central Intelligence Agency (CIA) and West German Federal Intelligence Service (BND) from 1970 until about 1993, with the CIA continuing as sole owner until about 2018. With headquarters in Steinhausen, the company was a long-established manufacturer of encryption machines and a wide variety of cipher devices.
Document Archive
CIA GLOMAR Response on Crypto AG Documents [2 Pages, 1MB]
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