Secret messages concealment, codes, and other types of ingenious communication by Butler lhWilliam S.

Subjects: “…Crytography…”

Asas kriptografi by Mohd.Aizimi Maarof

Subjects: “…Crytography…”

Fundamentals of computer security by Pieprzyk, Josef 1949-

Subjects: “…Crytography…”

Crytanalysis of number theoreetic chipers by WagstafflhSamuel S.

Subjects: “…Crytography…”

Dissappearing cryptography information hiding steganography & watermarking by Wayner, Peter 1964-

Subjects: “…Crytography…”