Reply to post: There are ways around this

AES-256 keys sniffed in seconds using €200 of kit a few inches away

Anonymous Coward
Anonymous Coward

There are ways around this

These types of attacks have been known for years, as has the defense. At the cost of some energy efficiency, the hardware can calculate results for both a '0' and '1' in each bit of the key, and throw away the result it doesn't need.

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