Manual for cryptanalysis of the columnar double transposition cipher
Subtitle: a study of cryptanalysis
By: by Joseph B. Courville.
Edition: 1st ed.
Publisher: J.B. Courville
Published: 1986
Place of publication: South Gate, Calif., U.S.A. (10240 Virginia Ave, South Gate 90280)
Language: eng
Number of pages: 91
Subjects: Cryptography.; Ciphers.