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Selective encryption said to cut wireless power

4/25/2011 03:17 PM EDT
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chanj0
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re: Selective encryption said to cut wireless power
chanj0   4/25/2011 7:31:46 PM
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Content based encryption sounds like a good idea to reduce power consumption. I would like to know more technical details of the idea such as how much power it saves.

Robotics Developer
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re: Selective encryption said to cut wireless power
Robotics Developer   4/25/2011 8:09:34 PM
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Sounds like a good approach, but I wonder how much is saved (on average - I am sure it is media/image dependent) versus what additional power is used in the initial analysis? Looks like it works but getting major acceptance could prove a challenge.

DrQuine
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re: Selective encryption said to cut wireless power
DrQuine   4/28/2011 12:50:08 PM
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Selective encryption reduces security by making it easier to find the data worth decoding. For example a check image would highlight a target of interest - even if part were encrypted. A clear text online order would provide valuable contextual information even if the credit card information were encrypted. With overall encryption, a lot of effort can be devoted to decoding what proves to be useless information.

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