Horst Feistel

Horst Feistel
Born(1915-01-30)January 30, 1915
DiedNovember 14, 1990(1990-11-14) (aged 75)
Alma materMIT
Harvard University
Known forFeistel cipher

Horst Feistel (January 30, 1915[1] – November 14, 1990) was a German-American cryptographer who worked on the design of ciphers at IBM, initiating research that culminated in the development of the Data Encryption Standard (DES) in the 1970s. The structure used in DES, called a Feistel network, is commonly used in many block ciphers.[2][3][4]

  1. ^ Both (Diffie and Landau, 1998), and (Levy, 2001) give Feistel's birth year as 1914. The dates included here are based on the genealogical notes.
  2. ^ "Block ciphers" (PDF).
  3. ^ "On Generalized Feistel networks" (PDF).
  4. ^ "Feistel networks" (PDF).

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