PGP and MD5 Resources

S. Garfinkel, O'Reilly & Associates, PGP: Pretty Good Privacy, O'Reilly & Associates, Inc., 1995.

Michael Johnson, “Lurking with PGP”, Linux Journal, December 1996, Issue 32.

MIT Distribution Site for PGP:

The International PGP Home Page:

Applied Cryptography Resources

B. Schneier, Applied Cryptography, John Wiley and Sons, Inc., 1994.

COAST Homepage:

CERT Coordinating Center: