[In English, this name derived from Greek may be spelled "Catherine", "Katherine", "Katharine", or "Kathryn". Variants from other languages include "Catalina" (Spanish), "Ekaterina" (Russian), and "Katrina" (German).]
Among the women known to history as "Queen Catherine" are:
Catherine of Alexandria (or Saint Catherine) (~27x-~307), queen regnant of Egypt: daughter of Queen Sabinella of Egypt and King Costis of Egypt, son of Constantius Chlorus
... keys themselves have been discovered and widely disseminated (see DeCSS). See Professor Edward Felton's freedom-to-tinker Web site (www.freedom-to-tinker.com) for ...