Laurence Dwight Smith

Indeholder "Preface", "I. Secret Weapon No. One", "II. The History of Secret Writing", "III. Transposition Ciphers", "IV. Substitution Cipher", "V. Codes compared with Ciphers", "VI. Cryptanalysis: Transpositional Ciphers, Informal Substitution Ciphers, Formal Substitution Ciphers", "VII. Problems", "VIII. Solutions", "Appendix A. Some Notes on the Enciphering of Japanese", "Appendix B. The Baconian Biliteral Cipher", "Appendix C. Frequency Tables", "Appendix D. Bibliography", "Appendix E. Definitions", "Index".

Kryptografi på fodgængerniveau.… (más)