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Last Updated December 16, 2003

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Encryption/Cryptography Resources

To date, cryptography is not something that has crept into the average NT Administrator's Toolkit unless you run an e-business site on the Internet. However, Corporate espionage is on the rise, and international versions of the NSA's Echelon Project are being copied by other nations. (You mean, you didn't know that ALL of your e-mail is being read by the NSA?) The trend of the future is for all business networks to be fully encrypted, with digital signatures and secure authentication. Don't get left behind.

FAQ's and Links for Beginners:

Beginners Guide to Cryptography  
A bit simplistic, but a good page with lots of resources.

Ciphers by Ritter  
A great page with lot's of information and examples including an online Crypto Glossary and his Basic Introduction to Cryptography.

Cryptology - An Overview  
A good whitepaper on Crypto.

Cryptographic Filesystems: Design and Implementation
Cryptographic filesystems have recently come to the forefront of security. This article will discuss some of the background and technology of cryptographic filesystems and will then cover some example implementations of these filesystems including Microsoft's Encrypting File System for Windows 2000, the Linux CryptoAPI, and the Secure File System. Source:

Fundamentals of Cryptography  
A quick overview that covers the basics.

MSDN Web Workshops- Security and Cryptography  
An excellent resource from Microsoft. Includes an overview as well as workshops on Encryption and Decryption, Symmetric Cryptography, Public Key Cryptography and One Way Functions, and more.

Public Key Technology in Windows 2000
Windows 2000 has a built-in PKI infrastructure. Here, the authors discuss PKI architecture, interoperability issues, and applications that use Windows 2000©s PKI infrastructure. Source: InformIT (March 30, 2001)

RSA Laboratories' Frequently Asked Questions About Today's Cryptography
The fourth version of RSA's FAQ covers the technical mathematics of cryptography as well as export law and basic fundamentals of information security.

SSH's Introduction to Cryptography
A great online course that covers terminology, basic cryptographic algorithms, digital signatures, hash functions, cryptanalysis. attacks on cryptosystems and more!

SSL and Certificate Services
The most common implementation of security on the Internet today is the use of digital certificates. This chapter discusses the technology behind security as well as tools provided by Microsoft for ensuring Internet security. Source: InformIT (March 30, 2001)

USENET Cryptology FAQ at SCI.CRYPT  
A must read for anyone new to cryptology

Windows 2000 Kerberos Authentication 
This downloadable whitepaper provides a technical introduction to how the Windows© 2000 operating system implements the Kerberos version 5 authentication protocol and includes detailed explanations of important concepts, architectural elements, and features of Kerberos authentication. Source:

Windows 2000 High Encryption Pack 
The Windows 2000 High Encryption Pack allows you to enhance your system with the highest available encryption level (128-bit).

Main Crypto Links

Kerberos: The Network Authentication Protocol
Home of the reference distribution and official documentation for Kerberos.

List of Cryptology and Security Courses  
Avi Rubin's great list of University courses being offered around the world.

North American Cryptography Archives
A good page with lots of files. You must affirm that your PC is in the US, you are a legal US Resident, and you understand the US export regulations before entering this site.

PGP International Home Page  
PGP (short for Pretty Good Privacy) is a public key encryption program originally written by Phil Zimmermann in 1991. Over the past few years, PGP has got thousands of adherent supporters all over the globe and has become a de-facto standard for encryption of email on the Internet. If you're not familiar with PGP, stop here first.

RSA Data Security  
RSA is well known for their cryptography work, and if you've most likely used used their products without even knowing it. There is a lot of information on this site, but you should check out their Labs FAQ.


Cryptography News.

The Electronic Privacy Information Center.

Cryptix is an international volunteer effort to produce robust, open-source cryptographic software libraries. Cryptix products are free, both for commercial and non-commercial use and include cryptographic primitives for Java and Perl, work is underway on PGP, SSH and SSL libraries.

A Cryptology group at Berkley. Be sure to read the Cyphernomicon and check out their FTP site for a few toys..

Quantum Computation/Cryptography at Los Alamos 
This page will give you an overview of the work done at Los Alamos on Quantum Computation and Cryptography as well as related links.

Articles and Whitepapers
Cryptography is not the ultimate solution.
A look at the role of cryptography in IT. The author also explores the theory that strong encryption could replace firewalls. Source: Network Magazine

Windows 2000 Kerberos Interoperability
Microsoft receives many inquiries about Kerberos interoperability in Windows 2000 Server operating systems. This marketing bulletin describes the Microsoft position and provides background information on Kerberos and Windows 2000 Server. Source:

PKI Options for Next-Generation Security
The Public Key Infrastructure (PKI) market is still in its infancy, but it's rapidly becoming essential for everything from VPNs and e-commerce to remote access and authentication. Here's what you need to know. Source: Network Magazine (March 1999)

Public Key Infrastructure Basics
Building a useful key and certificate management system. Source: Network Magazine (Jan 1999)

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