You’ll recall that in February security researchers found a way to break into encrypted hard drives by using a trick that relies on the fact that RAM dissipates its contents slower if cooled.The research paper, by Princeton, the Electronic Frontier Foundation, and Wind River Systems was titled “Lest We Remember: Cold Boot Attacks on Encryption Keys” (.PDF”). Over the weekend, timed to coincide with the Last HOPE hacker conference over the weekend in New York, the source code was published to the Web.Of