Codes and ciphers : Julius Caesar, the Enigma, and the internet /

Eitemau Tebyg

• Mathamatics of ciphers: number theory and RSA cryptography /
  gan: Countinho, S S
  Cyhoeddwyd: (1999)
• Mathematical ciphers : from Caesar to RSA /
  gan: Young, Anne L., 1946-
  Cyhoeddwyd: (2006)
• The Shakespearean ciphers examined; an analysis of cryptographic systems used as evidence that some author other than William Shakespeare wrote the plays commonly attributed to him,
  gan: Friedman, William F.
  Cyhoeddwyd: (1957)
• Codes and ciphers Julius Caesar,the enigma and the internet /
  gan: Churchhouse, Robert
  Cyhoeddwyd: (2002)
• Elementary cryptanalysis :
  gan: Sinkov, Abraham
  Cyhoeddwyd: (2009)