A definitive guide to computer and Internet security provides a thorough overview of cryptographic engineering and the hands-on implementation of cryptography and other security tools and techniques in a variety of real-world applications. Simultaneous. (Advanced) Preface. 1. Our Design Philosophy. 2. The Context of Cryptography. 3. Introduction to Cryptography. I  Message Security. 4. Block Ciphers. 5. Block Cipher Modes. 6. Hash Functions. 7. Message Authentication Codes. 8. The Secure Channel. 9. Implementation. Issues (I). II  Key Negotiation. 10. Generating Randomness. 11. Primes. 12. Diffie-Hellman. 13. RSA. 14. Introduction to Cryptographic Protocols. 15. Negotiation Protocol. 16. Implementation Issues. III  Key Management. 17. The Clock. 18. Key Servers. 19. The Dream of PKI. 20. PKI Reality. 21. PKI Practicalities. 22. Storing Secrets. IV  Miscellaneous. 23. Standards. 24. Patents. 25. Involving Experts. Acknowledgments. Bibliography. Index.