Just noticed that there’s an entry for signing xpi files with XPISigner in the Comodo knowledgebase.
Using XPISigner to sign XPI files
kevin codesigning, faq, xpi xpisigner comodo knowledgebase faq
I’ve had to delay the release till this month as I’ve been busy with the day job and there are a few more enhancement requests for XPISigner.
kevin signtool, xpi

Disused bridge leading from the Sugar Factory to the old Armer Salmon factory.
kevin photo Add new tag, photo carlow
For those using XPISigner, and there appears to be a few of you according to the site stats, there will be an update released next month:
Features:
- Support for zip instead of jar on unix to preserve exec flag on files. This is useful for Firefox plugins.
- Support for Firefox cert and key stores. (Windows initially)
- Support for Windows Cert store (Java 6 only)
kevin crypto, extension, signtool, xpi firefox, firefox extension, xpisigner

Three seperate gieger counter apps turned up today in the app store.
iGeiger - $0.99
iGiegerCounter - Free
Gieger Counter -Radiation Gag - Free
kevin Uncategorized app, geiger counter, iphone

Fire Extinguisher - It is a legal requirement this area be kept clear from obstruction at all times
kevin Uncategorized funny, odd, photo, sign
Tilt shift effect applied to a Monster Truck event. Cool or what!
Metal Heart from Keith Loutit on Vimeo.
kevin Uncategorized
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