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r509 (Ruby Certificate Authority API) v0.9 Released 16 Apr 2013 | 10:14 pm
r509 v0.9 is out! This version contains huge new features, bug fixes, and quite a bit of refactoring of the API in preparation for 1.0. What is r509? r509 is a Ruby gem built using OpenSSL that is des...
Two Essential rvmrc Lines 11 Feb 2013 | 02:22 am
If you use rvm on OS X and compile rubies more often than “almost never” you should really have a ~/.rvmrc file that contains these two lines. cpus=`sysctl -n hw.ncpu` rvm_make_flags="-j$cpus"
The (Potential) Danger of Trivial Code Examples 29 Jan 2013 | 09:10 pm
As programmers there are two things we appreciate most when attempting to accomplish something: documentation and examples. Unfortunately, for some classes of problems trivial examples take shortcuts ...
Ruby Elliptic Curve (EC) Certificates 26 Jan 2013 | 12:22 am
I’ve been working on elliptic curve support in a branch of r509, my Ruby project for managing X.509 certificates, and I’m pleased to say that it’s reached the point where it is mostly complete. I’m go...
DKIM, Postfix, and Fedora 17 14 Jan 2013 | 09:57 pm
DKIM, or DomainKeys Identified Mail, is a way to sign emails you send such that other mail servers can verify they came from your domain. This is accomplished by signing the email on the server with a...
Building a CA (r509 Howto) 2 Nov 2012 | 08:47 pm
I’ve covered how to create a self-signed certificate authority using OpenSSL in the past, but today we’re going to go step by step through the process of building a fully functional CA using r509 and ...
r509 on rubygems.org 24 Oct 2012 | 08:51 am
As of 0.8 I’ve grown comfortable enough with the state of r509 that I’ve pushed v0.8 to rubygems.org. You can now just gem install r509 in any (non-jruby) installation to check it out. Take a look at ...
r509 and OCSP Responder Updates 22 Oct 2012 | 11:36 pm
I just tagged v0.8 of r509 and v0.3 of r509-ocsp-responder. Here’s what’s new! r509 Refactor R509::Validity to support a new #is_available? method Serial randomization improvements in CertificateAutho...
Ruby OCSP Responder 25 Sep 2012 | 02:18 am
I’ve been remiss in not mentioning this project, but along with the ruby certificate authority project r509 we’ve also built and released a full OCSP responder written in ruby. r509-ocsp-responder, as...
Eliminator 2012 (NFL Survival and Pickem) 25 Aug 2012 | 09:25 am
For the past 8 years I’ve run a free NFL survival game called SAS Eliminator. This year, with the help of Sean Schulte I’ve rewritten it from the ground up. The new system supports 8 different game ty...
