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Ronald Rivest

Ronald L. Rivest
Ronald L Rivest photo.jpg
Ronald L. Rivest, 2012
Born (1947-05-06) May 6, 1947 (age 69)
Schenectady, New York
Residence United States
Nationality American
Fields Cryptography
Institutions Massachusetts Institute of Technology
Alma mater Stanford University
Yale University
Doctoral advisor Robert W. Floyd
Doctoral students Ben Adida
Javed Aslam
Alan Baratz
Paul Bayer
Margrit Betke
Avrim Blum
Stephen Boyack
Victor Boyko
Ben-Zion Chor
Kevin Fu
Igal Galperin
Sally Goldman
Jonathan Herzog
Susan Hohenberger
Burt Kaliski
Andrea LaPaugh
Errol Lloyd
Anna Lysyanskaya
Ron Pinter
Zulfikar Ramzan
Robert Schapire
Emily Shen
Alan Sherman
Mona Singh
Robert Sloan
Donna Slonim
Andrew Sutherland
Stephen Weis
Known for Public-key
RSA, RC2, RC4, RC5, RC6
MD2, MD4, MD5, MD6, Ring signature
Notable awards Paris Kanellakis Award (1996)
Turing Award (2002)
Marconi Prize (2007)

Ronald Linn Rivest (/rɪˈvɛst/; born May 6, 1947) is a cryptographer and an Institute Professor at MIT. He is a member of MIT's Department of Electrical Engineering and Computer Science (EECS) and a member of MIT's Computer Science and Artificial Intelligence Laboratory (CSAIL). He was a member of the Election Assistance Commission's Technical Guidelines Development Committee, tasked with assisting the EAC in drafting the Voluntary Voting System Guidelines.

Rivest is one of the inventors of the RSA algorithm (along with Adi Shamir and Len Adleman). He is the inventor of the symmetric key encryption algorithms RC2, RC4, RC5, and co-inventor of RC6. The "RC" stands for "Rivest Cipher", or alternatively, "Ron's Code". (RC3 was broken at RSA Security during development; similarly, RC1 was never published.) He also authored the MD2, MD4, MD5 and MD6 cryptographic hash functions. In 2006, he published his invention of the ThreeBallot voting system, a voting system that incorporates the ability for the voter to discern that their vote was counted while still protecting their voter privacy. Most importantly, this system does not rely on cryptography at all. Stating "Our democracy is too important", he simultaneously placed ThreeBallot in the public domain.


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