Obvious/ursa — pull request #25 by jas- (2013-05-24 19:20:34+00:00)
Title: SPKAC support

Adds the following functions for working with SPKAC's generated from the HTML5 `````` element.
1. (Boolean) verifySpkac(String)
2. (Buffer) exportSpkac(String)
3. (String) exportSpkacChallenge(String)