PURPLE

PURPLE (bahasa Jepang: 97-shiki ōbun inji-ki (九七式欧文印字機) ("System 97 Printing Machine for European Characters") atau Angōki Taipu-B (暗号機 タイプB) ("Type B Cipher Machine")) adalah sebuah mesin pembacaan sandi yang digunakan oleh Jepang sebelum dan selama Perang Dunia Kedua.

Daftar pustaka 
 Freeman, Wes., Geoff Sullivan, and Frode Weierud, "Purple Revealed: Simulation and Computer-Aided Cryptanalysis of Angooki Taipu B", Cryptologia 27(1), January 2003. pp 1–43.
 Ronald W. Clark, "The Man Who Broke Purple: the Life of Colonel William F. Friedman, Who Deciphered the Japanese Code in World War II", September 1977, Little Brown & Co, ISBN 0-316-14595-5.
 Frank Rowlett, "The Story of Magic, Memoirs of an American Cryptologic Pioneer", 1998, Aegean Park Press, ISBN 0-89412-273-8. First-hand account of the breaking of Purple.

Pranala luar 
 The Purple Machine  — information and a simulator (for Windows)
 Purple, Coral, and Jade 

Kriptografi