Recommended books (used as reference material)

• Kaufman et al: Network Security, Private Communication in a Public World (ISBN 0130460192)
• Stallings: Cryptography and Network Security, Principle and Practice (ISBN 0131115022)

Should be available from the HUT library.

Related books

• Menezes et al: Handbook of Applied Cryptography (http://www.cacr.math.uwaterloo.ca/hac/)
• Schneier: Applied Cryptography  /  Practical Cryptography
• Smart: Cryptography: An Introduction
• Mao: Modern Cryptography: Theory and Practice
• Stinson: Cryptography, Theory and Practice