John Purser may refer to:
Sarah Flannery was, at sixteen years old, the winner of the 1999 Esat Young Scientist Exhibition for her development of the Cayley–Purser algorithm, based on work she had done with researchers at Baltimore Technologies during a brief internship there. The project, entitled "Cryptography – A new algorithm versus the RSA", also won her the EU Young Scientist of the Year Award in 1999.
Baltimore Technologies was a leading Irish internet security firm, with its headquarters in Dublin, Ireland. It was listed on the London Stock Exchange and was briefly part of the FTSE 100 Index during 2000 when Fran Rooney was the CEO.
Sarah Henrietta Purser RHA was an Irish artist mainly noted for her portraiture. She was the first woman to become a full member of the Royal Hibernian Academy. She also founded and financially supported An Túr Gloine, a stained glass studio.
The Cayley–Purser algorithm was a public-key cryptography algorithm published in early 1999 by 16-year-old Irishwoman Sarah Flannery, based on an unpublished work by Michael Purser, founder of Baltimore Technologies, a Dublin data security company. Flannery named it for mathematician Arthur Cayley. It has since been found to be flawed as a public-key algorithm, but was the subject of considerable media attention.
Apology, The Apology, apologize/apologise, apologist, apologetics, or apologetic may refer to:
John Tate may refer to:
John Purser is a Scottish composer, musicologist, and music historian. He is also a playwright.
QDOS may refer to:
William McFadden Orr, FRS was a British and Irish mathematician.
Sir John Purser Griffith was a Welsh-born Irish civil engineer and politician.
The Navy Supply Corps is the United States Navy staff corps concerned with supply, logistics, combat support, readiness, contracting, and fiscal matters.
Purser is an occupational surname, denoting a maker of purses, or a treasurer or bursar.
A purser is the person on a ship responsible for the handling of money on board.
A purse is a small bag that may refer to:
Peter is a surname which is also a common masculine given name. It is derived, via Latin "petra", from the Greek word πέτρος (petros) meaning "stone" or "rock".
Louis Claude Purser, FBA was an Irish classical scholar.
Tyrrell or Tyrell is an Anglo-Irish surname.
John Purser (1835–1903) was an Irish mathematician, who was professor at Queen's College, Belfast.
Frederick Purser was an Irish mathematician, author, and member of the Royal Irish Academy. He was a younger brother to mathematician John Purser.
John Pell may refer to: