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Ron Rivest was born on 6 May, 1947 in Schenectady, New York, U.S., is an American cryptographer. Discover Ron Rivest's Biography, Age, Height, Physical Stats, Dating/Affairs, Family and career updates. Learn How rich is he in this year and how he spends money? Also learn how he earned most of networth at the age of 76 years old?

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Age 76 years old
Zodiac Sign Taurus
Born 6 May, 1947
Birthday 6 May
Birthplace Schenectady, New York, U.S.
Nationality United States

We recommend you to check the complete list of Famous People born on 6 May. He is a member of famous with the age 76 years old group.

Ron Rivest Height, Weight & Measurements

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Ron Rivest Net Worth

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Net Worth in 2024 $1 Million - $5 Million
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Timeline

1947

Ronald Linn Rivest ( born May 6, 1947) is a cryptographer and computer scientist whose work has spanned the fields of algorithms and combinatorics, cryptography, machine learning, and election integrity.

He is an Institute Professor at the Massachusetts Institute of Technology (MIT),

and a member of MIT's Department of Electrical Engineering and Computer Science and its Computer Science and Artificial Intelligence Laboratory.

Along with Adi Shamir and Len Adleman, Rivest is one of the inventors of the RSA algorithm.

He is also the inventor of the symmetric key encryption algorithms RC2, RC4, and RC5, and co-inventor of RC6.

(RC stands for "Rivest Cipher".) He also devised the MD2, MD4, MD5 and MD6 cryptographic hash functions.

1969

Rivest earned a Bachelor's degree in Mathematics from Yale University in 1969, and a Ph.D. degree in Computer Science from Stanford University in 1974 for research supervised by Robert W. Floyd.

At MIT, Rivest is a member of the Theory of Computation Group, and founder of MIT CSAIL's Cryptography and Information Security Group.

Rivest was a founder of RSA Data Security (now merged with Security Dynamics to form RSA Security), Verisign, and of Peppercoin.

His former doctoral students include Avrim Blum, Benny Chor, Sally Goldman, Burt Kaliski, Anna Lysyanskaya, Ron Pinter, Robert Schapire, Alan Sherman,

and Mona Singh.

Rivest is especially known for his research in cryptography.

He has also made significant contributions to algorithm design, to the computational complexity of machine learning, and to election security.

1973

In 1973, Rivest and his coauthors published the first selection algorithm that achieved linear time without using randomization.

Their algorithm, the median of medians method, is commonly taught in algorithms courses.

Rivest is also one of the two namesakes of the Floyd–Rivest algorithm, a randomized selection algorithm that achieves a near-optimal number of comparisons.

1974

Rivest's 1974 doctoral dissertation concerned the use of hash tables to quickly match partial words in documents; he later published this work as a journal paper.

His research from this time on self-organizing lists became one of the important precursors to the development of competitive analysis for online algorithms.

1978

The publication of the RSA cryptosystem by Rivest, Adi Shamir, and Leonard Adleman in 1978 revolutionized modern cryptography by providing the first usable and publicly described method for public-key cryptography.

1980

In the early 1980s, he also published well-cited research on two-dimensional bin packing problems, and on channel routing in VLSI design.

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.

1988

Rivest was one of the inventors of the GMR public signature scheme, published with Shafi Goldwasser and Silvio Micali in 1988,

1990

He designed the MD4 and MD5 cryptographic hash functions, published in 1990 and 1992 respectively, and a sequence of symmetric key block ciphers that include RC2, RC4, RC5, and RC6.

Other contributions of Rivest to cryptography include chaffing and winnowing, the interlock protocol for authenticating anonymous key-exchange, cryptographic time capsules such as LCS35 based on anticipated improvements to computation speed through Moore's law, key whitening and its application through the xor–encrypt–xor key mode in extending the Data Encryption Standard to DES-X, and the Peppercoin system for cryptographic micropayments.

First published in 1990, it has extended into four editions, the latest in 2022.

In the problem of decision tree learning, Rivest and Laurent Hyafil proved that it is NP-complete to find a decision tree that identifies each of a collection of objects through binary-valued questions (as in the parlor game of twenty questions) and that minimizes the expected number of questions that will be asked.

With Avrim Blum, Rivest also showed that even for very simple neural networks it can be NP-complete to train the network by finding weights that allow it to solve a given classification task correctly.

Despite these negative results, he also found methods for efficiently inferring decision lists, decision trees, and finite automata.

A significant topic in Rivest's more recent research has been election security, based on the principle of software independence: that the security of elections should be founded on physical records, so that hidden changes to software used in voting systems cannot result in undetectable changes to election outcomes.

2000

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.

He also shared with them the Turing Award.

Rivest has received an honorary degree (the "laurea honoris causa") from the Sapienza University of Rome.

2001

and of ring signatures, an anonymized form of group signatures invented with Shamir and Yael Tauman Kalai in 2001.

2002

The three authors won the 2002 Turing Award, the top award in computer science, for this work.

The award cited "their ingenious contribution to making public-key cryptography useful in practice".

The same paper that introduced this cryptosystem also introduced Alice and Bob, the fictional heroes of many subsequent cryptographic protocols.

In the same year, Rivest, Adleman, and Michael Dertouzos first formulated homomorphic encryption and its applications in secure cloud computing, an idea that would not come to fruition until over 40 years later when secure homomorphic encryption algorithms were finally developed.

2006

His research in this area includes improving the robustness of mix networks in this application, the 2006 invention of the ThreeBallot paper ballot based end-to-end auditable voting system (which he released into public domain in the interest of promoting democracy), and the development of the Scantegrity security system for optical scan voting systems.

He was a member of the Election Assistance Commission's Technical Guidelines Development Committee.

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 Cryptologic Research, and the American Academy of Arts and Sciences.