Origins
In the early seventies Stephen Wiesner introduced a primitive called multiplexing in his seminal paper "Conjugate Coding", which was the starting point of quantum cryptography. Unfortunately it took more than ten years to be published. Even though this primitive was equivalent to what was later called 1-2 oblivious transfer, Wiesner did not see its application to cryptography.
Read more about this topic: Oblivious Transfer
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