The Art and Science of Secret Writing (Fall 2003)

Syllabus, Course Guidelines



  1. Steganography

  2. Assignment [HTML] [PDF]
    Compression/Decompression by WinZip
    JPegHideSeek by Allan Latham (DOS/Windows/Linux) JPHS
    Peter Wayner's Disappearing Cryptography [FAQ] [Stego Bit Twiddler] [Message Hiding & Baseball]
    Steganography links at

  3. Monoalphabetic Substitution

  4. Assignment [HTML] [PDF]
    Cryptogram Helper Applet
    Cryptogram Solver Applet [False Positives]
    Mono by J.W. Stumpel (DOS with C Source)
    US Army Field Manuals [Field Manual 34402] - frequency tables in Appendix A
    Simon Singh's Letter Frequencies and Simple Frequency Counter
    Letter Frequency Analysis Calculator
    Frequencies in Other Languages

  5. Solitaire/Pontifex Stream Cipher Algorithm

  6. Assignment [HTML] [PDF]
    The Algorithm

  7. Simplified DES

  8. Assignment [HTML] [PDF]
    Simplified DES Calculator
    Cracking DES Electronic Frontier Foundation. Brute force with cheap chips.
    ASCII Codes

  9. Pretty Good Privacy (PGP) - Key Generation

  10. Assignment [HTML] [PDF]
    Eudora Email Client [Download Page]
    Pretty Good Privacy (Freeware versions from MIT)
    International PGP Site [Downloads]
    Tutorial: Installing PGP 7.0.3 with Eudora and Windows
    Arnold Reinhold's Papers [Diceware] [PGP Passphrases (HTML)] [PGP Passphrases (Signed)]
    OpenPGP Standard
    Gnu Privacy Guard (GPG)
    PGP Corporation
    Passphrase FAQs [Version 1.0,1993] [Version 1.04, 1997]
    The Web of Trust
    Keysigning Parties

  11. Pretty Good Privacy (PGP) - Encryption

  12. Assignment [HTML] [PDF]
    Recovering "Deleted" Files

  13. Pretty Good Privacy (PGP) - Digital Signatures

  14. Assignment [HTML] [PDF]
    Signature995 - Triple DES, Certificates, etc.

  15. Digital Time Stamping

  16. Assignment [HTML] [PDF]
    Stamper (Digital Timestamping Service)

  17. Anonymous Remailers, Mixmasters

  18. Assignment [HTML] [PDF]
    Remailer Introduction
    APAS Anonymous Remailer FAQ
    Remailer Configurations, Keys, Usage Stats ('s Thesaurus)
    Remailer Reliability (Type I only) (
    MixMaster (Type II) WWW interface (Chicago remailer) W3 Anonymous Remailer
    André Bacard's Privacy Page [Point: Anonymous Remailer FAQ] [Counterpoint: Strassmann/Marlow]
    Some Remailers
    Hushmail (free, secure email, WWW interface)
    QuickSilver (Windows email client with Mixmaster support)

Related Links (keyed to readings)



Link Farms

Assorted Links

Other Software


These are some links to various books and journals.
Diffie, Whitfield; Landau, Susan. Privacy On the Line : The Politics of Wiretapping and Encryption
Availble to UPS community on-line through NetLibrary.
Bamford, James. The Puzzle Palace.
A history and expose of the NSA. [Chapter 8] [Chapter 9] [Chapter 10]
Bamford, James. Body of Secrets
A very recent update of The Puzzle Palace.
Hodges, Andrew. Alan Turing: the Enigma
Biography of Alan Turing. German Enigma cipher plus early computer science.
Schneier, Bruce. Applied Cryptography
Published in the early 90's. Already a classic. Mathematics, protocols, implementations.
Electronic Frontier Foundation. Cracking DES
Brute force with cheap chips. Entertaining.
Hager, Nicky. Secret Power
New Zealand's role in ECHELON, UKUSA Alliance, NSA partnerships. [Chapter 1] [Chapter 2]
Stallings, W. Cryptography and Network Security.
Advanced textbook.
Quarterly journal for cryptology.
Stephenson, Neal. Crytonomicon
Fun. The featured encryption is Pontifex.
Brown, Dan. The Davinci Code
A novel based on cryptology. Haven't read it. Yet.

Rob Beezer, BEEZER(at)UPS(dot)EDU, Fall 2003.