Shanna R. Simpson-Singleton Professor Kenneth Shiskowski, Ph.D. Mathematics Department.

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Presentation transcript:

Shanna R. Simpson-Singleton Professor Kenneth Shiskowski, Ph.D. Mathematics Department

An ancient civilization (approx B.C.E – 1800 B.C.E.) that populated Mesopotamia, an area between the Tigris and Euphrates Valley. They are often referred to as the cradle of civilization. Credited for the creation of the written language as a form cryptography. Used the substitution method of cryptography to encrypt cuneiform messages on stone tablets. Sources: and Photo from:

A very religious and ritualistic ancient civilization (3100 B.C.E. – 330 B.C.E,). Known best for its architecture of temple, monuments, and tombs. Used the substitution method of cryptology to amuse travelers and created a dramatic affect with ancient religious texts. Sources: ms/l97/bfnmusic/Freedom%20Pa pers/Stewart%20Synopsis/Ancient EgyptianFamily.jpg and (Pinock, p. 12) ms/l97/bfnmusic/Freedom%20Pa pers/Stewart%20Synopsis/Ancient EgyptianFamily.jpg Photo from: 20Papers/Stewart%20Synopsis/AncientEgyptianFamily.jpg 20Papers/Stewart%20Synopsis/AncientEgyptianFamily.jpg

A Roman emperor that is credited for building the Great Roman Empire. Used the Caesar cipher, an affine transformation cipher, to secretly communicate with his generals. Sources: lbums/l97/bfnmusic/Freedo m%20Papers/Stewart%20Syn opsis/AncientEgyptianFamily. jpg and (Pinock, p. 12) lbums/l97/bfnmusic/Freedo m%20Papers/Stewart%20Syn opsis/AncientEgyptianFamily. jpg Photo from:

A French diplomat and cryptographer ( ). The Vigenère cipher is named after him, although it was later discovered that he may not have created this cipher. (maybe Giovan Battista Bellaso created the cipher). Later created the autokey cipher. Sources: %C3%A8re_cipher and _de_Vigen%C3%A8re %C3%A8re_cipher _de_Vigen%C3%A8re Photo from: magdeburg.de/bs/lehre/wise0102/progb/vortraege/mzoellner/ vigenere.jpghttp://www-ivs.cs.uni- magdeburg.de/bs/lehre/wise0102/progb/vortraege/mzoellner/ vigenere.jpg

An AT&T Bell Labs engineer ( ). Credited for creating the stream cipher and the Vernam cipher for telecommunications. Also co- created the one-time pad cipher with Joseph Mauborgne. Source: Gilbert_Vernam Gilbert_Vernam Photo from:

Major General of the US Army ( ). Co-created the one-time pad cipher with Gilbert Vernam. Source: ki/Joseph_Mauborgne ki/Joseph_Mauborgne Photo from: Joseph_Mauborgne.jpghttp://upload.wikimedia.org/wikipedia/commons/thumb/c/c0/Joseph_Mauborgne.jpg/180px- Joseph_Mauborgne.jpg

Created the Hill Cipher in Patented a machine for his cipher which is pictured on the left of this text. Source: ki/Hill_cipher ki/Hill_cipher Photo from:

Co-published the exponentiation cipher with Martin Hellman. It is said that the algorithm was first discovered by Roland Silver, but Pohlig and Martin published their independent research first. Source: Hellman_algorithmhttp://en.wikipedia.org/wiki/Pohlig- Hellman_algorithm

Previous Stanford professor (born 1945). Co-created/published the exponentiation cipher, the Knapsack cipher, and the Diffie-Hellman key exchange system. Source: ki/Martin_Hellman ki/Martin_Hellman Photo from: cs-exhibitions.uni- klu.ac.at/uploads/pics/Martin-Hellman.jpghttp:// cs-exhibitions.uni- klu.ac.at/uploads/pics/Martin-Hellman.jpg

Engineer and Mathematician that worked for the GCHQ (Government Communications Headquarters for the British Intelligence Agency) ( ). Co-created what is now known as the public-key cryptosystem with Clifford Cocks and Michael Williamson. Although these gentlemen created the public-key cryptosystem in addition to many other cryptosystems and key generators first, they were forced to keep the information classified. It was not announced/published until after Ellis died in Source:

Mathematician and cryptographer that worked for the GCHQ (Government Communications Headquarters for the British Intelligence Agency) (born December 28, 1950). Co-created the public-key cryptosystem with James H. Ellis and Malcolm Williamson. Source: ford_Cocks ford_Cocks Photo from :

Mathematician that worked for the GCHQ (Government Communications Headquarters for the British Intelligence Agency). Co-created the public-key cryptosystem with James H. Ellis and Clifford Cocks. Source: Malcolm_Williamson_(crypto grapher) Malcolm_Williamson_(crypto grapher) Photo from:

Professor at Georgia Tech. University (born February 2, 1952). Co-creator of the Knapsack cipher along with Martin Hellman. Source: ki/Ralph_Merkle ki/Ralph_Merkle Photo from: merkle.jpghttp:// merkle.jpg

Professor at MIT Massachusetts Institute of Technology (born 1947) Co-created the RSA cryptosystem along with Adi Shamir and Leonard Adleman. Source: ki/Ronald_Rivest ki/Ronald_Rivest Photo from:

Cryptographer and cryptanalyst (born July 6, 1952). Co-created the RSA cryptosystem along with Ronald Rivest and Leonard Adleman. Source: ki/Adi_Shamir ki/Adi_Shamir Photo from:

Professor at the University of Southern California and a theoretical computer scientist (born December 31, 1945). Co-creator of the RSA cryptosystem along with Ronald Rivest and Adi Shamir. Source: Leonard_Adleman Leonard_Adleman Photo from:

Professor at Harvard University and Hebrew University (born September 1, 1931). Creator of the Rabin system and various other cryptosystems. Source: ki/Michael_Rabin ki/Michael_Rabin Photo from:

Chief Security Officer and Vice President of Sun Microsystems Laboratories(born June 5, 1944). Co-creator of the Diffie- Hellman Key Exchange System along with Martin Hellman. Source: Whitfield_Diffie Whitfield_Diffie Photo from:

Retired professor (born 1934). Co-created the Massey- Omura Cryptosystem along with Jim K. Omura. Source: ki/James_Massey ki/James_Massey Photo from:

Technology strategist and security advisor. Co-created the Massey- Omura Cryptosystem along with James Massey. Source: /pages/about/awards/bios/ 2005bell.html /pages/about/awards/bios/ 2005bell.html Photo from:

Chief technical officer and Co-Chair of the Board of Directors at Securify (born August 18, 1955). Creator of the Elgamal cryptosystem. Source: ki/Taher_Elgamal ki/Taher_Elgamal Photo from: