Buku ini membahas tentang:
1. Pengantar Kriptografi
2. Kriptografi Klasik
3. Stream dan Block Cipher
4. Data Encryption Standard (DES)
5. International Data Encryption Algorithm (DEA)
6. Advanced Encryption Standard (AES)
7. Message Digest Algorithm
8. Secure Hash Standard
9. The Keyed Hash Message Authentication Code (HMAC)
10.Kriptosistem Kunci Publik Rivest Shamir Adleman (RSA)
11.Kriptosistem Kunci Publik ElGamal
12.Algoritma Knapsack
13.Pretty Good Privacy (PGP)
14.Tanda Tangan Digital
15.Steganografi