Diffie and Hellman Publish New Directions in Cryptography
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Stanford University
ESTIMATED75% CONFIDENCEThe paper's own running head gives the issue and no day: "IEEE TRANSACTIONS ON INFORMATION THEORY, VOL. IT-22, NO. 6, NOVEMBER 1976". A month with no day is estimated at that month's last day.[1]
Whitfield Diffie and Martin Hellman propose public-key cryptography and a way for two parties to agree a secret key over an open channel. It is the idea that later makes e-commerce and secure messaging possible.
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