2005.04.27
Solving Singh's Substitution Cipher
Many of us enjoy playing with encryption algorithms.
Simon Singh, before a book promotion trip to Greece,
published a "substitution cipher with a twist".
I would consider solving a substitution cipher aimed
at the general public unfair, but the "twist" made me curious.
Continue reading "Solving Singh's Substitution Cipher"Last modified: Wednesday, April 27, 2005 10:16 am
2005.04.13
A Pipe Namespace in the Portal Filesystem
The portal filesystem allows a daemon running as a userland program
to pass descriptors to processes that open files belonging to its
namespace.
It has been part of the *BSD operating systems since 4.4 BSD.
I recently added a pipe namespace to its FreeBSD implementation.
This allows us to
perform scatter gather operations without using temporary files,
create non-linear pipelines, and
implement file views using symbolic links.
Continue reading "A Pipe Namespace in the Portal Filesystem"Last modified: Wednesday, September 21, 2016 10:38 pm
2005.04.09
Vatican's Prescient Web Masters
The Vacancy of the Apostolic See web page appears to have been prepared one day BEFORE the Pope's death.
Continue reading "Vatican's Prescient Web Masters"Last modified: Saturday, April 9, 2005 11:34 am
