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Cloud

Submission + - Microsoft Says Homomorphic Computing Is Practical (technologyreview.com)

holy_calamity writes: "Homomorphic computing makes it possible to compute with encrypted data and get an encrypted result, something that could make cloud services more secure. Such systems have so far been mathematical proofs, but researchers at Microsoft now say that stripped down versions able to only compute certain mathematical functions are efficient enough to be used today. They built prototype software capable of calculating statistical functions using encrypted data and say it could be used for processing medical data while protecting privacy."
PlayStation (Games)

PS3 Hacked? 296

Several readers have sent word that George Hotz (a.k.a. geohot), the hacker best known for unlocking Apple's iPhone, says he has now hacked the PlayStation 3. From his blog post: "I have read/write access to the entire system memory, and HV level access to the processor. In other words, I have hacked the PS3. The rest is just software. And reversing. I have a lot of reversing ahead of me, as I now have dumps of LV0 and LV1. I've also dumped the NAND without removing it or a modchip. 3 years, 2 months, 11 days...that's a pretty secure system. ... As far as the exploit goes, I'm not revealing it yet. The theory isn't really patchable, but they can make implementations much harder. Also, for obvious reasons I can't post dumps. I'm hoping to find the decryption keys and post them, but they may be embedded in hardware. Hopefully keys are setup like the iPhone's KBAG."

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