Month: April 2012
A few days ago I resurrected all my files from a desktop system I haven’t used for almost six years. Below is my implementation of secret splitting as described in Bruce Schneier’s book “Applied Cryptography, 2nd edition”. The idea is basically: generate a random keystream, xor the plaintext with the random keystream, use separate couriers […]Read More → Secret splitting
Jeg børstet støvet av noen tilårskomne filer forleden dag. Jeg fant et lite program som jeg skrev en gang i 2000. Programmet teller ned til slutten av Unix-epoken. Den opprinnelige definisjonen av datatypen time_t, 32-bit heltall med fortegn, vil få overflyt i midten av januar 2038. Moderne 64-bit OS som FreeBSD/amd64 9.0 har for lengst […]Read More → endofepoch.c
ZFS Delegated Administration in FreeBSD
If you trust your users well, you might feel slightly less anxious and allow your users to create new filesystems below their own home directories.Read More → ZFS Delegated Administration in FreeBSD
Are you prepared for the World IPv6 Launch on June 6, 2012?
Last year we had the World IPv6 Day on June 8, 2011. This year we’ll have the World IPv6 Launch on June 6, 2012. According to this joint press release by Akamai Technologies, Inc., AT&T, Cisco, Comcast, D-Link, Facebook, Google Inc., Internet Society, Internode, Limelight Networks, Microsoft Bing, Time Warner Cable, and Yahoo!: Major Internet […]Read More → Are you prepared for the World IPv6 Launch on June 6, 2012?
Every non-key attribute must provide a fact about the key, the whole key, and nothing but the key, so help me Codd. From IRC@EFnet: 2012-04-12T11:34:56+0200Read More → Relational confession
Persisting IPv6 DNS resolver addresses
Here’s a conundrum aimed at those dabbling in the internals of Microsoft Windows 7.Read More → Persisting IPv6 DNS resolver addresses
Not enough room for wired pages?
One of my systems is running FreeBSD/amd64 9.0-STABLE and is using ZFS for all its worth. The amount of installed memory in this system is 8 gibibytes, which should be enough to please even ZFS’ ARC. After a few hours of uptime not everyone are happy, and one of those unhappy guys are GnuPG.Read More → Not enough room for wired pages?