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Topic: Martin Hellman

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	Diffie-Hellman key exchange - Wikipedia, the free encyclopedia (Site not responding. Last check: 2007-11-05)
		The scheme was first published publicly by Whitfield Diffie and Martin Hellman in 1976, although it later emerged that it had been discovered a few years earlier within GCHQ, the British signals intelligence agency, by Malcolm J. Williamson but was kept classified.
		In 2002, Hellman suggested the algorithm be called Diffie-Hellman-Merkle key exchange in recognition of Ralph Merkle's contribution to the invention of public-key cryptography (Hellman, 2002).
		Diffie-Hellman key agreement was invented in 1976 during a collaboration between Whitfield Diffie and Martin Hellman and was the first practical method for establishing a shared secret over an unprotected communications channel.
	www.marylandheights.us /project/wikipedia/index.php/Diffie-Hellman (1163 words)

	Martin Hellman - Wikipédia
		Martin E. Hellman (né le 2 octobre, 1945), cryptologue américain.
		Hellman est aussi à l'origine d'une attaque avec compromis temps/mémoire notamment utilisée pour trouver des mots de passe.
		En 1966, Martin Hellman obtient un bachelor à l'Université de New York, suivi d'un master à l'Université de Stanford en 1967 et un doctorat en 1969.
	fr.wikipedia.org /wiki/Martin_Hellman (151 words)

	Universities should restore spiritual side, says Professor Martin Hellman
		Responding to a question regarding the difference between knowledge and wisdom, Hellman said that "with the reformation, the renaissance and the birth of science, people have reacted to the human elements of experience as tainted, because they were.
		Drawing an analogy with physics, Hellman said that classical logic has been carried to its extreme, and it is time for a new paradigm.
		Hellman was born in 1945, a Jewish boy in an Irish Catholic neighborhood in the Bronx.
	www.stanford.edu /dept/news/pr/95/951128Arc5022.html (857 words)

	Marconi Foundation Honors Inventors of the Key to Internet Privacy
		Whitfield Diffie and Martin Hellman will share the $100,000 fellowship prize honoring advances in telecommunications for humanitarian benefit, to be presented at Columbia, which serves as the academic home of the Marconi International Fellowship Foundation.
		Hellman, professor emeritus at Stanford, in addition to his work in the field, has been concerned with the ethics of technological development.
		Hellman was co-editor with Anatoly Gromyko, the long-time Soviet ambassador to the United Nations, of Emerging New Thinking, which focused on technology and war and peace issues.
	www.columbia.edu /cu/pr/00/10/marconi.html (781 words)

	Hellman: Authentication at every access point (Site not responding. Last check: 2007-11-05)
		In this two-part feature, Diffie and Hellman discuss the threats that concern them most and where they think the technology they helped advance is headed.
		Part 1: Hellman, now professor emeritus of electrical engineering at Stanford University, explains why phishing is one of the biggest threats we face, why strong authentication is needed at every access point and why security add-ons won't do much to ease the threats of cyberspace.
		Hellman: Certain threats have been dealt with because of the Secure Sockets Layer (SSL), which has largely secured things like credit card transactions over the Web.
	searchsecurity.techtarget.com /qna/0,289202,sid14_gci1077600,00.html (999 words)

	Martin E. Hellman Home Page (Site not responding. Last check: 2007-11-05)
		Martin E. Hellman was born in New York, NY on October 2, 1945.
		Hellman was at IBM's Watson Research Center from 1968-69 and an Assistant Professor of EE at MIT from 1969-71.
		Hellman has been involved with a number of high-tech startups over the last twenty-five years, serving variously as a founder, advisor, and investor.
	www-ee.stanford.edu /~hellman (386 words)

	Public Key Cryptography (PKC), RSA, PKI
		The first researchers to discover and publish the concepts of PKC were Whitfield Diffie and Martin Hellman from Stanford University, and Ralph Merkle from the University of California at Berkeley.
		Diffie, Hellman, and Merkle later obtained patent number 4200770 on their method for secure public key exchange.
		RSA's breakthrough was first publicized by Martin Gardner in August, 1977, in his widely read column Mathematical Games in the magazine Scientific American, and included an offer from RSA to mail a complete report on the PKC method to anyone that requested it.
	www.livinginternet.com /i/is_crypt_pkc_inv.htm (1505 words)

	Diffie-Hellman key exchange - Wikipedia, the free encyclopedia
		Although Diffie-Hellman key agreement itself is an anonymous (non-authenticated) key agreement protocol, it provides the basis for a variety of authenticated protocols, and is used to provide perfect forward secrecy in TLS's ephemeral modes.
		The simplest, and original, implementation of the protocol uses the multiplicative group of integers modulo p, where p is prime and g is primitive mod p.
		An Overview of Public Key Cryptography Martin E. Hellman, IEEE Communications Magazine, May 2002, pp:42-49.
	en.wikipedia.org /wiki/Diffie-Hellman (1212 words)

	ICS 54: History of Public-Key Cryptography
		The patent granted to Diffie and Hellman is the first of a group that emerged from scientists at Stanford University and the Massachusetts Institute of Technology during the end of the 1970's.
		Very few people were interested in the topic and Hellman even says that many of his colleagues felt that it was "born classified," like secrets about the atomic bomb, because it was so important to national security.
		The lawyers for Stanford University, where Hellman was a professor and Diffie a graduate student, sidestepped this approach by patenting a circuit.
	www.ics.uci.edu /~ics54/doc/security/pkhistory.html (3659 words)

	Diffie-Hellman - Wikipedia
		However it is vulnerable to the man in the middle attack in which the attacker is able to modify messages between Alice and Bob as well as read them.
		Diffie-Hellman key exchange was invented in 1975 or 1976 during a collaboration between Whitfield Diffie, Martin Hellman and Ralph Merkle and was the first public proposal for establishing a shared secret over an unprotected communications channel.
		It had been discovered by Malcolm Williamson of GCHQ in the UK some years previously, but GCHQ chose not make it public until 1997, by which time it had no influence on research.
	nostalgia.wikipedia.org /wiki/Diffie-Hellman (231 words)

	Merkle-Hellman - Wikipedia, the free encyclopedia
		Merkle-Hellman (MH) was one of the earliest public key cryptosystems invented by Ralph Merkle and Martin Hellman in 1978.
		Although its ideas are elegant, and far simpler than RSA, it has been broken.
		Ralph Merkle and Martin Hellman, Hiding Information and Signatures in Trapdoor Knapsacks, IEEE Trans.
	www.wikipedia.org /wiki/Merkle-Hellman (502 words)

	Science Fair Projects - Meet-in-the-middle attack
		It was first developed as an attack on an attempted expansion of a block cipher by Merkle and Hellman in 1981.
		When trying to improve the security of a block cipher, one might get the idea to simply use two independent keys to encrypt the data twice.
		Merkle and Hellman, however, devised a time-memory tradeoff that could break the scheme in only double the time of the time to break the single-encryption scheme.
	www.all-science-fair-projects.com /science_fair_projects_encyclopedia/Meet-in-the-middle_attack (384 words)

	[No title]
		The 1994 Pioneer Award recipients are Ivan Sutherland, Bill Atkinson, Whitfield Diffie and Martin Hellman, Murray Turoff and Starr Roxanne Hiltz, Lee Felsenstein, and the WELL (the Whole Earth 'Lectronic Link).
		Through his work on the Bay Area's Community Memory project, his critical role in developing computer user groups, his development of the seminal portable microcomputer, the Osborne I, and of the Pennywhistle modem, Felsenstein has consistently shown himself to be an exemplar of the pioneer spirit on the electronic frontier.
		Whitfield Diffie of Sun Microsystems and Martin Hellman of Stanford University are the persons chiefly responsible for public-key encryption.
	www.eff.org /awards/3rd_pioneer_awards.announce (711 words)

	Knapsack Cryptosystems: The Past and the Future
		However, Diffie and Hellman were unable to conceive an actual trapdoor one-way function even though they knew of its existence.
		Several months after Rivest, Shamir, and Adleman [80] published the first public-key cryptosystem, the RSA cryptosystem, Merkle and Hellman [60] proposed their knapsack cryptosystem in 1978, in which they described a singly-iterated version and a multiply-iterated version.
		After Merkle and Hellman published their cryptosystem, many people investigated it and laid the foundation of its eventual breaking.
	www.cecs.uci.edu /~mingl/knapsack.html (8138 words)

	Some Quotes (Site not responding. Last check: 2007-11-05)
		Diffie, Whitfield; Hellman, Martin E. New directions in cryptography.
		The 1976 publication of ``New Directions in Cryptography'', by Whitfield Diffie and Martin Hellman, was epochal in cryptographic history.
		Many regard it as the beginning of public-key cryptography, analogous to a first shot in what has become an ongoing battle over privacy, civil liberties, and the meaning of sovereignty in cyberspace.
	math.stanford.edu /~rubin/110/stein/html/node3.html (240 words)

	Ingrian Announces Expansion of Technical Advisory Board; Cryptography Pioneer Martin Hellman and Leading Database ... (Site not responding. Last check: 2007-11-05)
		Hellman is a professor emeritus of electrical engineering at Stanford University, and Widom is a professor of computer science and electrical engineering at Stanford.
		Hellman is widely known for his invention, with Whitfield Diffie and Ralph Merkle, of public key cryptography.
		Hellman and fellow advisory board member Dr. Dan Boneh also served on the technical advisory board for PayPal.
	www.tmcnet.com /scripts/print-page.aspx?PagePrint=http://www.tmcnet.com/usubmit/2004/sep/1072377.htm (592 words)

	Martin Hellman - Encyclopedia, History, Geography and Biography
		Martin Hellman - Encyclopedia, History, Geography and Biography
		This page was last modified 04:20, 2 Apr 2005.
		The article about Martin Hellman contains information related to Martin Hellman and External links.
	www.arikah.com /encyclopedia/Martin_Hellman (159 words)

	Uwe Bauer - Die Lösung des Schlüsselverteilungsproblems (Site not responding. Last check: 2007-11-05)
		Martin Hellman wurde 1946 in New York geboren und wuchs in einer jüdischen Familie auf.
		Hellman war Mathematiker und beschäftigte sich viel mit Zahlentheorie.
		Da Hellman jedoch eher der reine Informatiker war, benötigte er die Hilfe von Whitfield Diffie, um seine theoretischen Überlegungen praktisch umsetzen zu können.
	www-ivs.cs.uni-magdeburg.de /bs/lehre/wise0102/progb/vortraege/bauer/uwbauer32.html (170 words)

	[Seth-Trips] Martin Hellman at SVLUG, Wednesday ([svlug@tgeller.com: [svlug] [svlug-announce] SVLUG meeting Wed, 7 ...
		MORE ABOUT THE SPEAKER: Martin E. Hellman was a researcher at IBM's Watson Research Center from 1968-69 and an Assistant Professor at MIT from 1969-71.
		Hellman has also been a long-time contributor to the computer privacy debate, starting with DES' key size in 1975 and culminating with service (1994-96) on the National Research Council's Committee to Study National Cryptographic Policy, many of whose recommendations have since been implemented.
		Hellman also has a deep interest in the ethics of technological development, and has received several honors in this field.
	zork.net /pipermail/seth-trips/2001-November/000121.html (550 words)

	Ingrian - Press Release (Site not responding. Last check: 2007-11-05)
		The investment was led by a group of individual investors, including Andy Bechtolsheim, Bill Joy and Martin Hellman.
		Hellman is professor emeritus of electrical engineering at Stanford University.
		He is best known as the inventor of public key cryptography and for his work to improve the security of national encryption standards.
	www.ingrian.com /news/pr000911.html (812 words)

	Citations: IEEE Transactions on Information Theory - Die, Hellman, in (ResearchIndex) (Site not responding. Last check: 2007-11-05)
		It is used as an elementary step in more complex protocols, such as Skeme [32] Formally, the Die Hellman key agreement can be modeled by using two functions f and g that satisfy the equation f(y; g(x) f(x; g(y) 3) 27 In practice, the....
		This agree is an unauthenticated protocol in the sense that an adversary who has control over the channel can use the man in the middle attack to agree upon two separate keys with the two users without the users being aware of this.
		This was modi ed into an authenticated key agreement protocol by Matsumoto, Takashima and Imai in [14] Later, Law, Menezes, Qu, Solinas and Vanstone showed in [13] that some of the protocols of [14] are not secure and proposed a new protocol for authenticated key agreement.
	sherry.ifi.unizh.ch /context/1224550/0 (2894 words)

	DBLP: Martin E. Hellman
		Martin E. Hellman, Justin M. Reyneri: Drainage and the DES.
		Martin E. Hellman, Justin M. Reyneri: Fast Computation of Discrete Logarithms in GF(q).
		Martin E. Hellman, Ehud D. Karnin, Justin M. Reyneri: On the Necessity of Exhaustive Search for System-Invariant Cryptanalysis.
	www.informatik.uni-trier.de /~ley/db/indices/a-tree/h/Hellman:Martin_E=.html (230 words)

	Authentication & Key Establishment Protocol Design & Analysis Citations (Site not responding. Last check: 2007-11-05)
		Martin Abadi, and Roger M. Needham, "A logic of authentication"
		Martin Abadi, and Roger M. Needham, "The scope of a Logic of Authentication"
		Hellman, "New directions in cryptography", in IEEE Trans.
	www.cs.fsu.edu /~yasinsac/group/work/childs/pairwise-key-establishment-protocols.html (1776 words)

	Wired 7.04: The Open Secret
		The story of the invention of public key cryptography is a cypherpunk sacred text: In 1976, an iconoclastic young hacker named Whitfield Diffie hooked up with Stanford professor Martin Hellman, and together they devised what experts hailed as the most important development in crypto since the invention of polyalphabetic ciphers during the Renaissance.
		In 1976, of course, Diffie and Hellman presented their findings in two papers, which were followed in 1977 by a famous paper about RSA publicized by Scientific American.
		Cocks says that when Ellis read Diffie and Hellman's first paper, which outlined the public key idea but suggested no implementation, he said simply, "They're where I was in 1969." The Stanford team's second paper did suggest a means of implementation - identical to the Williamson solution.
	www.wired.com /wired/archive/7.04/crypto_pr.html (4588 words)

	Breakthrough: Emerging New Thinking -- cooperation between enemies
		by Martin E. Hellman, Ph.D. The Russian writer, Count Leo Tolstoy, was credited by Gandhi as being one of the key influences in the development of nonviolent resistance.
		Martin E. Hellman was the American Editor-in-Chief of Breakthrough: Emerging New Thinking, a historic publishing "first" by "enemy" Soviet and American scientists.
		Dr. Hellman is Professor of Electrical Engineering, Stanford University, Stanford, CA 94305.
	traubman.igc.org /resistnot.htm (1133 words)

	Martin Hellman -- Facts, Info, and Encyclopedia article (Site not responding. Last check: 2007-11-05)
		Martin Hellman -- Facts, Info, and Encyclopedia article
		From 1968-1969 he worked at (Click link for more info and facts about IBM) IBM's Watson Research Center where he encountered (Click link for more info and facts about Horst Feistel) Horst Feistel.
		He return to Stanford in 1971, becoming Professor Emeritus in 1996, although he has now retired from research and most of his university activities.
	www.absoluteastronomy.com /encyclopedia/M/Ma/Martin_Hellman.htm (79 words)

	A Thin Blue Line
		“We were sitting on a revolution in cryptography,” Hellman, now emeritus, recalls.
		Waymouth may. One scientist’s commercial failure and another’s potential success show how amazing discoveries may pay something or nothing for reasons unrelated to the quality or import of the actual invention.
		Encryption existed but was of little commercial use before Hellman and three Stanford colleagues began their work in the field in the 1970s.
	www.stanford.edu /dept/news/stanfordtoday/ed/9801/9801fea801.shtml (259 words)

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