the most trusted source for computer security training, certification and research


SANS InfoSec Reading Room - Encryption & VPNs

<<Reading Room Home
Most of the computer security white papers in the Reading Room have been written by students seeking GIAC certification to fulfill part of their certification requirements and are provided by SANS as a resource to benefit the security community at large. SANS attempts to ensure the accuracy of information, but papers are published "as is". Errors or inconsistencies may exist or may be introduced over time as material becomes dated. If you suspect a serious error, please contact webmaster@sans.org.

Click Here

Featuring 92 papers as of Nov 23, 2008

Data Leakage Landscape: Where Data Leaks and How Next Generation Tools Apply
Utimaco and Trend Micro - September 2008

The challenge of securely storing and transporting large files across a corporate Wide Area Network
Jeremy Gibb
October 26, 2007
- download paper PDF
OpenVPN and the SSL VPN Revolution
Charlie Hosner
August 25, 2004
- download paper PDF
Securing Key Distribution with Quantum Cryptography
Bradford Bartlett
August 15, 2004
- download paper PDF
Elliptic Curve Cryptography and Smart Cards
Ahmad Kayali
April 8, 2004
- download paper PDF
Understanding and Configuring IPSec between Cisco Routers
Ryan Ettl
March 25, 2004
- download paper PDF
SSL Remote Access VPNs: Is this the end of IPSec?
Steven Ferrigni
December 13, 2003
- download paper PDF
Quantum Cryptography: Is Your Data Safe Even When Somebody Looks?
Tom Klitsner
October 31, 2003
- download paper PDF
PGP: A Hybrid Solution
Jessica J. Benz
October 31, 2003
- download paper PDF
What Is an MPLS VPN Anyway?
Kelly DeGeest
October 31, 2003
- download paper PDF
Identification with Zero Knowledge Protocols
Annarita Giani
October 31, 2003
- download paper PDF
Quantum Encryption vs Quantum Computing: Will the Defense or Offense Dominate?
Bob Gourley
October 31, 2003
- download paper PDF
Virtual Network Computing and Secure Shell
Damian Koziel
October 31, 2003
- download paper PDF
The Day DES Died
Paul Van De Zande
October 31, 2003
- download paper PDF
Encryption Regulation: A First Amendment Perspective
Linda K. Mickna
October 31, 2003
- download paper PDF
Interoperability in PKI
Roger Pyon
October 31, 2003
- download paper PDF
An Overview of Computer Security as Told Through War Stories
Ronald Seidl
October 31, 2003
- download paper PDF
One Fish, Two Fish, Red Fish, Blowfish A History of Cryptography and it's Application in Soci
Joseph Kasten
October 31, 2003
- download paper PDF
Securing Remote Users VPN Access to Your Company LAN
Klavs Klavsen
October 31, 2003
- download paper PDF
A Business Perspective on PKI: Why Many PKI Implementations Fail, and Success Factors To Consider
Leslie Peckham
October 31, 2003
- download paper PDF
A Discussion of SSH Secure Shell
Shawn Lewis
October 31, 2003
- download paper PDF
History of Encryption
Melis Jackob
October 31, 2003
- download paper PDF
NAT Traversal: Peace Agreement Between NAT and IPSec
Haluk Aydin
October 31, 2003
- download paper PDF
Who's Who in AES?
Kyle Jones
October 31, 2003
- download paper PDF
Implementing NAT on Checkpoint Firewall-1
Eugene Ng
October 31, 2003
- download paper PDF
Protecting Sensitive Data in Secure Domains
Mikael Trosell
October 31, 2003
- download paper PDF
Key and Certificate Management in Public Key Infrastructure Technology
Sriram Ranganathan
October 31, 2003
- download paper PDF
The Advanced Encryption System (AES) Development Effort: Overview and Update
William M. Tatun
October 31, 2003
- download paper PDF
Implementing PKI in a Heterogeneous Environment A Primer on Digital Certificate And Key Formats
Tim R. Sills
October 31, 2003
- download paper PDF
The Weakest Link: The Human Factor Lessons Learned from the German WWII Enigma Cryptosystem
Bradley Fulton
October 31, 2003
- download paper PDF
E-Mail Security with S/MIME
George Kuzmowycz
October 31, 2003
- download paper PDF
AES: The Making of a New Encryption Standard
Mitch Richards
October 31, 2003
- download paper PDF
Public Key Infrastructure Issues in an Academic Healthcare Setting
Liviu Groza
October 31, 2003
- download paper PDF
IPsec's Role in Network Security: Past, Present, Future
Christopher Smith
October 31, 2003
- download paper PDF
Implementing "Dual-Sided" VPN's
Kenneth Boudreaux
October 31, 2003
- download paper PDF
Integrate HMAC Capable Token into User Authentication Mechanism and Public Key Infrastructure
Shanhui Tan
October 31, 2003
- download paper PDF
Using SSL with Client Access Express for AS/400
Jose Guerrero
October 31, 2003
- download paper PDF
Analysis of a Secure Time Stamp Device
Chris Russell
October 31, 2003
- download paper PDF
Strong Authentication and Authorization model Using PKI, PMI, and Directory
Jong Wook Lee
October 31, 2003
- download paper PDF
Securing Certificate Revocation List Infrastructures
Eddie Turkaly
October 31, 2003
- download paper PDF
Cryptographic Services - A Brief Overview
Larry D Bennett
October 31, 2003
- download paper PDF
PKI and Information Security Awareness: Opportunity and Obligation
Jerry K Brown
October 31, 2003
- download paper PDF
A Review of the Diffie-Hellman Algorithm and its Use in Secure Internet Protocols
David A. Carts
October 31, 2003
- download paper PDF
Basic Cryptanalysis Techniques
Craig Smith
October 31, 2003
- download paper PDF
Implementing Site-to-Site IPSec Between a Cisco Router and Linux FreeS/WAN
Neil L. Cleveland
October 31, 2003
- download paper PDF
Stunnel: SSLing Internet Services Easily
Wesley Wong
October 31, 2003
- download paper PDF
Knock Knock...Who's there? Do you know who is accessing your VPN?
Norma Jean Schaefer
October 31, 2003
- download paper PDF
Comparing BGP/MPLS and IPSec VPNs
Gary Alterson
October 31, 2003
- download paper PDF
An Overview of Hardware Security Modules
Jim Attridge
October 31, 2003
- download paper PDF
Roll Your Own Crypto Services (Using Open Source and Free Cryptography)
Edward C. Donahue
October 31, 2003
- download paper PDF
Secure Access of Network Resources by Remote Clients
Glendon MacDonald
October 31, 2003
- download paper PDF
Vulnerability's of IPSEC: A Discussion of Possible Weaknesses in IPSEC Implementation and Pro
Daniel Clark
October 31, 2003
- download paper PDF
Decommissioning Certification Authorities
Claudia N. Lukas
October 31, 2003
- download paper PDF
The Ease of Steganography and Camouflage
John Bartlett
October 31, 2003
- download paper PDF
A Vulnerability Assessment of Roaming Soft Certificate PKI Solutions
Stephen Wilson
October 31, 2003
- download paper PDF
PKI, The What, The Why, and The How
Duncan Wood
October 31, 2003
- download paper PDF
VPN-1 SecureClient - Check Point's Solution for Secure Intranet Extension
Ryan Gibbons
October 31, 2003
- download paper PDF
Infrastructure Design Considerations When Using Client Certificates
Tim Hollingshead
October 31, 2003
- download paper PDF
Creating a Secure VPN with Cisco Concentrator and ACE Radius/SecurID
Nathan Lasnoski
October 31, 2003
- download paper PDF
S-Box Modifications and Their Effect in DES-like Encryption Systems
Joe Gargiulo
October 31, 2003
- download paper PDF
Configuring Secure Shell with TCP Wrappers on Solaris 2.8
Jane Micheller
October 31, 2003
- download paper PDF
Issues When Using IPsec Over Geosynchronous Satellite Links
Greg Totsline
October 31, 2003
- download paper PDF
Appropriate Use of Network Encryption Technologies
Kenneth Forward
October 31, 2003
- download paper PDF
Randomness and Entropy - An Introduction
Chris Thorn
October 31, 2003
- download paper PDF
No Single Killer App for PKI
Cliff Schiller
October 31, 2003
- download paper PDF
A Review of Chaffing and Winnowing
David Spence
October 31, 2003
- download paper PDF
Remote Access IPSec VPNs: Pros and Cons of 2 Common Clients
Jason Everard
October 31, 2003
- download paper PDF
Applied Encryption: Ensuring Integrity of Tactical Data
Jennifer Skalski-Pay
October 31, 2003
- download paper PDF
An Overview of Cryptographic Hash Functions and Their Uses
John Silva
October 31, 2003
- download paper PDF
BUSINESS PARTNER VPN: NEEDED NOW
Karen Duncanson
October 31, 2003
- download paper PDF
Remote Access VPN - Security Concerns and Policy Enforcement
Mike Stines
October 31, 2003
- download paper PDF
The Risks Involved With Open and Closed Public Key Infrastructure
Philip Hlavaty
October 31, 2003
- download paper PDF
The mathematics behind the security features that the computing industry takes for granted
Ricky Wald
October 31, 2003
- download paper PDF
A Consumer Guide for Personal File and Disk Encryption Programs
Scott Baldwin
October 31, 2003
- download paper PDF
Is the future of cryptography in qubits
Wayne Redmond
October 31, 2003
- download paper PDF
Cryptography: What is secure?
Willy Jiang
October 31, 2003
- download paper PDF
PGP for Everyday Use
Jeremy Hoel
October 31, 2003
- download paper PDF
Prime Numbers in Public Key Cryptography
Gerald Crow
October 31, 2003
- download paper PDF
When Security Counts: Securing a Test Server with a VPN Connection
Patricia Hulsey
October 31, 2003
- download paper PDF
Quantum Encryption - A Means to Perfect Security?
Bruce Auburn
October 31, 2003
- download paper PDF
Cryptanalysis of RSA: A Survey
Carlos Cid
October 31, 2003
- download paper PDF
Multiprotocol Label Switching Virtual Private Networks and the enterprise - Do they fit in the security model?
Michael Stoos
October 31, 2003
- download paper PDF
Network Based VPNs
Olivier Strahler
October 31, 2003
- download paper PDF
Using GPL Software For Email and File Encryption
David Tucker
October 31, 2003
- download paper PDF
Attacks on PGP: A Users Perspective
Ryan Thomas
October 31, 2003
- download paper PDF
IPSec Tunnel Creation
Chris Gutridge
October 31, 2003
- download paper PDF
Instant Message Security - Analysis Of Cerulean Studios Trillian Application
Michael Murphy
October 31, 2003
- download paper PDF
MPLS - VPN Services and Security
Ravi Sinha
October 31, 2003
- download paper PDF
IPSec Interoperability between OpenBSD, Linux and Sonicwall
Daniel de Young
October 31, 2003
- download paper PDF
Demystifying DSS: The Digital Signature Standard
Richard Brehove
October 31, 2003
- download paper PDF
Security Implications of SSH
Bill Pfeifer
October 31, 2003
- download paper PDF
Cryptography - Business Value Behind the Myth
Jeff Christianson
October 31, 2003
- download paper PDF

Contact us: (301) 654-SANS(7267)
Monday - Friday 9am-8pm EST/EDT