Articles on Cryptography

• A Homophonic Substitution in the Archives of the Last Great Pensionary of Holland
  Karl de Leeuw and Hans van der Meer
  Cryptologia vol.XVII (1993) nr.3, p.225-236.
• Een roostergeheimschrift van Alexander Baron Van Spaen (1775-1811) [in dutch]
  Karl de Leeuw en Hans van der Meer
  Documentatieblad Werkgroep Achttiende Eeuw vol.25 (1993) nr.2, 187-210.
• A Turning Grille from the Ancestral Castle of the Dutch Stadtholders
  Karl de Leeuw and Hans van der Meer
  Cryptologia vol.XIX (1995) nr.2, p.153-165.
• An Old Challenge or Keys to the Fuer GOD
  In the First World War the American cryptanalyst J. Rives Childs solved the keys of a German cipher
  used for communication with agents in North Africa. It is called the Wilhelm cipher and otherwise
  known as the FuerGOD, after the call sign of the agents station.

Articles on TeX

• Random Bit Generator in TeX
  Hans van der Meer
  TUGboat vol.15 (1994) nr.1, p.57-58.
  implementation (the sty file below)
• Random bit generator in TeX
  Hans van der Meer
  NTG MAPS Nummer 34, najaar 2006, 65-67.
  In Dutch.
• Exam Papers, Posing Questions To Students
  Hans van der Meer
  NTG MAPS Nummer 36, voorjaar 2008, 33-38.
  
• Blocks and Arrows with Metapost
  Hans van der Meer
  NTG MAPS Nummer 36, voorjaar 2008, 85-89.
  
• CD and DVD Covers in ConTeXt
  Hans van der Meer
  NTG MAPS Nummer 37, najaar 2008, 48-54.
  

Lua modules and programs

• Bitmap, Arraylist, Linkedlist, Heap, Queue and Stack
• Zipping strings
• Transparent IO from file, memory or zipped file
• An Expat binding and XML operations are mentioned in the docs but still an unfinished business

Here lua-teletext.zip are programs for the extraction of Teletext subtitles from DVB transport streams.

ConTeXt source

cd/dvd case formatter

hvdm-cas.tex    (version 2010/11/17)

exam formatter

hvdm-exm.tex    (version 2010/11/17)

list processor

hvdm-lst.tex    (version 2010/11/17)

table macros

hvdm-tbx.tex    (version 2010/11/17)

random generator

hvdm-rng.tex    (version 2010/11/17)

basic xml macros

hvdm-xml.tex    (version 2010/11/17)

cd/dvd xml typesetter

hvdm-dvd.tex    (version 2011/02/22)

Metapost source

blocks and arrows macros

hvdm.mp    (version 2010/03/29)

LaTeX source

exam.cls = class for typesetting of exams.

exam.dtx
exam.ins

current version 3.28, dated 1996/08/28; also available from CTAN (vs 3.25)

slidenotes.cls = class for typesetting of annotated slides.

slidenotes.dtx
slidenotes.ins

current version 3.20, dated 1996/08/28; also available from CTAN (vs.3.13)

cropmarks.sty = package for cropmarks around page.

cropmarks.sty

current version 1.2; use at your own risk

headfoot.sty = package for headers and footers.

headfoot.sty

current version 2.3; use at your own risk

pageup.sty = package for multiple pages, derived from 2up.sty.

pageup.sty

current version 3.0; use at your own risk

random.sty = package for random numbers.

random.sty

current version 2.4; use at your own risk
documentation (the Tugboat article above)