1024-bit RSA encryption cracked by carefully starving CPU of electricity -- Engadget
http://www.eecs.umich.edu/%7Evaleria/research/publications/DATE10RSA.pdf
claim they can break it simply by tweaking a device's power supply. By fluctuating the voltage to the CPU such that it generated a single hardware error per clock cycle, they found that they could cause the server to flip single bits of the private key at a time, allowing them to slowly piece together the password.
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