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LoginHow to build an electro-mechanical public key cipher machine?
General Tech Learning Aids/Tools 3 years ago
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manpreet![Tuteehub forum best answer]()
Best Answer
3 years ago
It is generally assumed that asymmetric encryption schemes were invented in 1973 at GCHQ in Britain and, independently, in 1976 at the MIT.
Imagine, if the abstract idea of having a public key and a private key that can only decrypt what has been encrypted with the other, respectively, had been around forty years earlier. Would it have been possible to build a working (rotor) cipher machine using this principle with WWII technology (think public key enigma)?
Are there any public key encryption schemas that have sound mathematical basis and can also be implemented using electro-mechanical machines without transistors?