An English Translation of
An English Translation of
A Criticism of the Cipher Systems in Use Among Us
Entire English translation (5.7 MB): pdf
Or from the Table of Contents below, select individual chapter files (typically less than 1 MB).
TABLE OF CONTENTS
Forward . . . . . . . . . . . . . . . . . . . . . p. 4 pdf
Introduction:
1. Negligence and Betrayal . . . . . . . . . . p. 5 pdf
2. "Legal" Letter . . . . . . . . . . . . . . . . p. 10 pdf
3. Disastrous Self-Deception . . . . . . . . . p. 14 pdf
Chap. I A Little Phonetics. Cipher Classification. . . p. 17 pdf
Chap. II Single-Digit Paired Cipher . . . . . . . . . . . p. 20 pdf
Chap. III Non-Paired Single-Digit Cipher . . . . . . . p. 25 pdf
Chap. IV Simple Square Cipher . . . . . . . . . . . . . p. 28 pdf
Chap. V Complex Square Cipher . . . . . . . . . . . . p. 33 pdf
Chap. VI Discontinuous Square Cipher
(with dummy numbers) . . . p. 39 pdf
Chap. VII Multiple Square Cipher . . . . . . . . . . . . p. 44 pdf
Chap. VIII Periodic Separated Cipher (Gambett) . . . . p. 49 pdf
Chap. IX Abbreviated Gambett Cipher . . . . . . . . . p. 52 pdf
Chap. X Disguised Gambett Cipher (Napoleonic) . . p. 57 pdf
Chap. XI Difference Gambett Cipher
(with double period) . . p. 59 pdf
Chap. XII Periodic Continuous Cipher
(with a uniform key) . . p. 64 pdf
Chap. XIII Periodic Fused Cipher
(with a heterogeneous key) . . p. 68 pdf
Chap. XIV Secondary Fused Cipher
(combination with square) . . p. 70 pdf
Chap. XV "Book" Cipher . . . . . . . . . . . . . . . . . p. 74 pdf
Chap. XVI Poem Cipher . . . . . . . . . . . . . . . . . p. 77 pdf
Chap. XVII Treatment or Palliatives . . . . . . . . . . . p. 80 pdf
Chap. XVIII Oasis and Continuous Encryption . . . . . p. 83 pdf
Chap. XIX Findings . . . . . . . . . . . . . . . . . . . p. 86 pdf
Chap. XX A Rational Cipher . . . . . . . . . . . . . . p. 89 pdf
CONCLUSION - Necessary precautions: addresses, addressees,
prison correspondence, opportunity, etc. . . p. 97 pdf
APPLICATION - Miscellaneous tips . . . . . . . . . . p. 103 pdf
APPENDIX Tables 5 and 35 . . . . . . . . . . . . . . . p. 109 pdf
Tables 29 and 30 . . . . . . . . . . . . . . p. 110 pdf
Tables 31 and 41 . . . . . . . . . . . . . . p. 112 pdf