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Information about Ronald L. Rivest

Ronald Lorin Rivest

Born1947
Schenectady, New York
FieldCryptography
InstitutionsMIT
Known forPublic-key
RC2, RC4, RC5, RC6
MD2, MD4, MD5


Election People
Election Groups:
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Professor Ronald Lorin Rivest (born 1947, Schenectady, New York) is a cryptographer, and is the Andrew and Erna Viterbi Professor of Computer Science at MIT's Department of Electrical Engineering and Computer Science (CSAIL). He is most celebrated for his work on public-key encryption with Len Adleman and Adi Shamir, specifically the RSA algorithm, for which they won the 2002 ACM Turing Award. He is a member of the Election Assistance Commission's Technical Guidelines Development Committee, tasked with assisting the EAC in drafting the Voluntary Voting System Guidelines.[1]

He is also 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 and MD5 cryptographic hash functions. In 2006, he published his invention of the ThreeBallot voting system, an innovative 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.

Professor Rivest is a member of the National Academy of Engineering, the National Academy of Sciences, and is a Fellow of the Association for Computing Machinery, the International Association for Cryptographic Research, and the American Academy of Arts and Sciences. Together with Adi Shamir and Len Adleman, he has been awarded the 2000 IEEE Koji Kobayashi Computers and Communications Award and the Secure Computing Lifetime Achievement Award. Professor Rivest has received an honorary degree (the "laurea honoris causa") from the University of Rome. He is a Fellow of the World Technology Network and a Finalist for the 2002 World Technology Award for Communications Technology. In 2005, he received the MITX Lifetime Achievement Award.

He earned a Bachelor's degree in Mathematics from Yale University in 1969, and a Ph.D. in Computer Science from Stanford University in 1974. He is a co-author of Introduction to Algorithms (also known as 'CLRS'), a standard textbook on algorithms, with Thomas H. Cormen, Charles E. Leiserson and Clifford Stein. He is a member of the MIT Computer Science and Artificial Intelligence Laboratory (CSAIL) in the Theory of Computation Group, and a founder of its Cryptography and Information Security Group. He was also a founder of RSA Data Security (now merged with Security Dynamics to form RSA Security) and of Peppercoin. Professor Rivest has research interests in cryptography, computer and network security, and algorithms.

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A.M. Turing Award Laureates
Perlis (1966) • Wilkes (1967) • Hamming (1968) • Minsky (1969) • Wilkinson (1970) • McCarthy (1971) • Dijkstra (1972) • Bachman (1973) • Knuth (1974) • Newell / Simon (1975) • Rabin / Scott (1976) • Backus (1977) • Floyd (1978) • Iverson (1979) • Hoare (1980) • Codd (1981) • Cook (1982) • Thompson / Ritchie (1983) • Wirth (1984) • Karp (1985) • Hopcroft / Tarjan (1986) • Cocke (1987) • Sutherland (1988) • Kahan (1989) • Corbat (1990) • Milner (1991) • Lampson (1992) • Hartmanis / Stearns (1993) • Feigenbaum / Reddy (1994) • Blum (1995) • Pnueli (1996) • Engelbart (1997) • Gray (1998) • Brooks (1999) • Yao (2000) • Dahl / Nygaard (2001) • Rivest / Shamir / Adleman (2002) • Kay (2003) • Cerf / Kahn (2004) • Naur (2005) • Allen (2006)


Persondata
NAMERivest, Ronald Linn
ALTERNATIVE NAMES
SHORT DESCRIPTIONCryptographer
DATE OF BIRTH1947
PLACE OF BIRTHSchenectady, New York
DATE OF DEATH
PLACE OF DEATH
19th century - 20th century - 21st century
1910s  1920s  1930s  - 1940s -  1950s  1960s  1970s
1944 1945 1946 - 1947 - 1948 1949 1950

Year 1947 (MCMXLVII
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City of Schenectady, New York
Union College's Nott Memorial, one of the most recognized buildings in Schenectady
Nickname: The Electric City
Located in Schenectady County in the State of New York
Coordinates:
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State of New York

Flag of New York Seal
Nickname(s): The Empire State
Motto(s): Excelsior!

Official language(s) None

Capital Albany
Largest city New York City

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Cryptography (or cryptology; derived from Greek κρυπτός kryptós "hidden," and the verb γράφω gráfo "write" or λεγειν legein
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Massachusetts Institute of Technology (MIT) is a private, coeducational research university located in Cambridge, Massachusetts. MIT has five schools and one college, containing 32 academic departments,[3]
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Public-key cryptography, also known as asymmetric cryptography, is a form of cryptography in which a user has a pair of cryptographic keys - a public key and a private key. The private key is kept secret, while the public key may be widely distributed.
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RC2
The MIX transformation of RC2; four of these comprise a MIXING round

General
Ron Rivest
leaked in 1996, designed in 1987

Cipher detail
Key size(s):| 8–128 bits, in steps of 8 bits; default 64 bits

Block size(s):| 64 bits
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RC4 (also known as ARC4 or ARCFOUR) is the most widely-used software stream cipher and is used in popular protocols such as Secure Sockets Layer (SSL) (to protect Internet traffic) and WEP (to secure wireless networks).
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RC5
One round (two half-rounds) of the RC5 block cipher

General
Ron Rivest
1994

RC6, Akelarre

Cipher detail
Key size(s):| 0 to 2040 bits (128 suggested)

Block size(s):| 32, 64 or 128 bits (64 suggested)
Feistel-like network
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RC6

General
Ron Rivest, Matt Robshaw, Ray Sidney, Yiqun Lisa Yin
1998

RC5

AES finalist
Cipher detail
Key size(s):| 128, 192, or 256 bits

Block size(s):| 128 bits
Feistel network
20

In cryptography, RC6
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MD2

General
Ronald Rivest
April 1992
MD, MD2, MD3, MD4, MD5

Detail
128 bits

18

Message Digest Algorithm 2 (MD2) is a cryptographic hash function developed by Ronald Rivest in 1989. The algorithm is optimized for 8-bit computers.
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MD4

General
Ronald Rivest
October 1990
MD, MD2, MD3, MD4, MD5

Detail
128 bits

3

MD4 is a message digest algorithm (the fourth in a series) designed by Professor Ronald Rivest of MIT in 1990.
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MD5

General
Ronald Rivest
April 1992
MD, MD2, MD3, MD4, MD5

Detail
128 bits

4

In cryptography, MD5 (Message-Digest algorithm 5) is a widely used cryptographic hash function with a 128-bit hash value.
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David Chaum is the inventor of many cryptographic protocols and has contributed to the advancement of electronic cash. Chaum founded DigiCash in 1990, an electronic cash company.
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Rop Gonggrijp (born February 14th 1968, Amsterdam) is a Dutch hacker and one of the founders of internet service provider XS4ALL.

Biography


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Bev Harris is an American writer, activist, and founder of Black Box Voting Inc., a national nonpartisan, nonprofit elections watchdog group. She helped popularize the term Black Box Voting, while authoring a book of that title.
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Gracia M. Hillman is one of four commissioners of the Election Assistance Commission. She was nominated by President George W. Bush on October 3, 2003 and confirmed by unanimous consent of the United States Senate on December 9, 2003 to serve a
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The Election Assistance Commission (EAC) is an independent agency of the United States Government created by the Help America Vote Act of 2002 (HAVA).
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Rush Dew Holt, Jr. (born October 15 1948, Weston, West Virginia) is a professor and a American Democratic Party politician and the current U.S. Representative for New Jersey's 12th Congressional District.
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R. Doug Lewis has served as Executive Directer of the Election Center since 1994.[1] The Election Center is a nonprofit also known as the National Association of Election Officials, whose purpose is "to promote, preserve, and improve
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Dr. Rebecca Mercuri, Ph.D (Born Oct. 20, 1954) is an expert in computer security, especially in electronic voting where she has been researching, writing about, and testifying since 1989.
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Greg Palast is a New York Times-bestselling author[1] and a journalist for the British Broadcasting Corporation[2] as well as the British newspaper The Observer.
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Massachusetts Institute of Technology (MIT) is a private, coeducational research university located in Cambridge, Massachusetts. MIT has five schools and one college, containing 32 academic departments,[3]
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Rosemary E. Rodriguez is a commissioner serving on the Election Assistance Commission, previously of the Denver City Council of the City and County of Denver, District 3, Colorado.
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The Election Assistance Commission (EAC) is an independent agency of the United States Government created by the Help America Vote Act of 2002 (HAVA).
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Aviel (Avi) David Rubin

Avi Rubin (right) speaking at the Computers, Freedom and Privacy 2006 conference
Born November 8 1967 (1967--)
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Ion Voltaire Sancho (born December 6, 1950 in New York City) is an elected public official serving Leon County, Florida, USA as Supervisor of Elections. As the family moved around, first to The family later moved to Louisiana and then Columbus, Ohio.
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Dr. Ted Selker (Edwin Joseph Selker [1] ), is an American computer scientist who heads the Context Aware Computing Group at the MIT Media Lab and is the MIT director of The Voting Technology Project and Design Intelligence.
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Massachusetts Institute of Technology (MIT) is a private, coeducational research university located in Cambridge, Massachusetts. MIT has five schools and one college, containing 32 academic departments,[3]
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