There are claims that Crypto AG products used to leak keys in ciphertext, at the request of the NSA: http://www.hermetic.ch/crypto/kalliste/speccoll.htm http:/

There are claims that Crypto AG products used to leak keys in ciphertext, at the request of the NSA: http://www.hermetic.ch/crypto/kalliste/speccoll.htm http://www.hermetic.ch/crypto/kalliste/speccoll.htm