Classified cryptography (Hoa Kỳ) Các chủ đề trong mật mã học

  • EKMS NSA's Electronic Key Management System
  • FNBDT NSA's secure narrow band voice standard
  • Fortezza encryption based on portable crypto token in PC Card format
  • KW-26 ROMULUS teletype encryptor (1960s - 1980s)
  • KY-57 VINSON tactical radio voice encryption
  • SINCGARS tactical radio with cryptographically controlled frequency hopping
  • STE secure telephone
  • STU-III older secure telephone
  • TEMPEST prevents compromising emanations
  • Type 1 products

Tài liệu tham khảo

WikiPedia: Các chủ đề trong mật mã học http://en.wikipedia.org/wiki/Affine_cipher http://en.wikipedia.org/wiki/Atbash_cipher http://en.wikipedia.org/wiki/Autokey_cipher http://en.wikipedia.org/wiki/Caesar_cipher http://en.wikipedia.org/wiki/Grille http://en.wikipedia.org/wiki/Hill_cipher http://en.wikipedia.org/wiki/Permutation_cipher http://en.wikipedia.org/wiki/Playfair_cipher http://en.wikipedia.org/wiki/Polyalphabetic_substi... http://en.wikipedia.org/wiki/Polygraphic_substitut...