Dr. Taher Elgamal (Arabic: طاهر الجمل) (born 18 August 1955) is an Egyptian-American cryptographer. Elgamal is sometimes seen as El Gamal or ElGamal, but Elgamal is now preferred. In 1985, Elgamal published a paper titled A Public key Cryptosystem and A Signature Scheme based on discrete Logarithms in which he proposed the design of the ElGamal discrete log cryptosystem and of the ElGamal signature scheme. The latter scheme became the basis for Digital Signature Algorithm (DSA) adopted by National Institute of Standards and Technology (NIST) as the Digital Signature Standard (DSS). He also participated in the 'SET' credit card payment protocol, plus a number of Internet payment schemes. The Arabic alphabet is the script used for writing the Arabic language. ... August 18 is the 230th day of the year (231st in leap years) in the Gregorian calendar. ... 1955 is a common year starting on Saturday of the Gregorian calendar. ... Pre-19th century Leone Battista Alberti, polymath/universal genius, inventor of polyalphabetic substitution (see frequency analysis for the significance of this -- missed by most for a long time and dumbed down in the Vigenère cipher), and what may have been the first mechanical encryption aid. ... The Elgamal algorithm is an asymmetric key encryption algorithm for public key cryptography which is based on Diffie-Hellman key agreement. ... The ElGamal Signature scheme is a digital signature scheme which is based on the difficulty of computing discrete logarithms. ... The Digital Signature Algorithm (DSA) is a United States Federal Government standard for digital signatures. ... The National Institute of Standards and Technology (or NIST) formerly known as The National Bureau of Standards is a non regulatory agency of the United States Department of Commerce’s Technology Administration. ... The Digital Signature Algorithm (DSA) is a United States Federal Government standard for digital signatures. ... In mathematics, a set can be thought of as any collection of distinct things considered as a whole. ...

Elgamal has gained a Bachelor of Science degree from Cairo University, and Masters and Doctorate degrees in Computer Science from Stanford University. He served as chief scientist at Netscape Communications from 1995 to 1998 where he was a driving force behind SSL. He also was the director of engineering at RSA Security Inc. before founding Securify in 1998 and becoming their CEO. When Securify was acquired by Kroll-O'Gara he became the president of its information security group. Presently (2004), Securify is again independent and Elgamal is Chief Technical Officer & Co-Chair of the Board of Directors. In addition, Elgamal sits on the board of FaceTime Communications [1], a company which provides security solutions for instant messaging and peer-to-peer applications. Most recently, Elgamal serves as Chairman and CEO of Ektasis Inc., a Silicon Valley startup he founded in late 2004 with co-founders Phil Straw and Mark Chen. A MOHIT PANDEY(B.S., B.Sc. ... Although technically in Giza, The Great Pyramids have become a symbol of Cairo internationally Cairo (Arabic: القاهرة; romanized: al-Qāhirah) is the capital city of Egypt (and previously the United Arab Republic) and has a metropolitan area population of approximately 15. ... A professor giving a lecture at the Helsinki University of Technology A university is an institution of higher education and of research, which grants academic degrees. ... Master is a term that indicates a consummate level of skill, proficiency, superiority or power. ... Wikibooks Wikiversity has more about this subject: School of Computer Science Open Directory Project: Computer Science Collection of Computer Science Bibliographies Belief that title science in computer science is inappropriate Categories: Computer science ... For other meanings of Stanford, see Stanford (disambiguation). ... Netscape Communications Corporation was the publisher of the Netscape Navigator web browser as well as many other internet and intranet client and server software products. ... 1995 was a common year starting on Sunday of the Gregorian calendar. ... 1998 is a common year starting on Thursday of the Gregorian calendar, and was designated the International Year of the Ocean. ... Secure Sockets Layer (SSL) and Transport Layer Security (TLS), its successor, are cryptographic protocols which provide secure communications on the Internet. ... RSA Security is a public company (NASDAQ: RSAS). ... 1998 is a common year starting on Thursday of the Gregorian calendar, and was designated the International Year of the Ocean. ... Chief Executive Officer (CEO) is the job of having the ultimate executive responsibility or authority within an organization or corporation. ... A screenshot of PowWow, one of the first instant messengers with a graphical user interface Instant messaging is the act of instantly communicating between two or more people over a network such as the Internet. ... A peer-to-peer (or P2P) computer network is a network that relies on the computing power and bandwidth of the participants in the network rather than concentrating it in a relatively few servers. ...

Dr. Elgamal's surname has been spelled as two words (the El part is equivalent to "the" in English), and as a single word with an intra-capital. The cryptographic literature is full of both spellings. Dr Elgamal himself spells it as a singly-capitalized surname, as this is less likely to be mangled in English. CamelCase is a common name for the practice of writing compound words or phrases where the words are joined without spaces, and each word is capitalized within the compound. ...