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April 26, 2001
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April 26, 2001
HARVARD GAZETTE ARCHIVES
Code conquers computer snoops
With electronic privacy becoming more difficult to attain for everyone from governments to lovers, the need for an unbreakable code is rising rapidly toward the top of many "most wanted" lists. Michael Rabin, the Thomas J. Watson Sr. Professor of Computer Science at Harvard University, says he has come up with the solution: a code that cannot be deciphered even by those who have both the key and unlimited computer power.
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'Everlasting' security
Summing up his invention, Rabin calls it "the first efficient and provably secure coding system ever developed. It stays secure for past messages, even if the secret key becomes known because the bit stream is too large to be stored. Finally, the key can be reused again and again."
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Copyright 2002 by the President and Fellows of Harvard College
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