Encryption Kills Battery Life

Discussion in 'Android Tech Support' started by smokeyrd, Aug 27, 2012.

  1. smokeyrd
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    smokeyrd Member

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    Has anyone else experienced this? I have my phone encrypted and I have noticed that startup is impacted but my battery is still strong as an ox. I just had a user swear up and down that since I forced him to encrypt (after 3 months of teeling everyone to do it before I put the policy in) he has had "terribad" battery life. States he has to charge 3x a day just to keep his device running. I dont want to totally brush him off but I'm not seeing any search results on this but you know what they say about users...
  2. altspeed
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    altspeed Active Member

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    You mean /lusers
  3. smokeyrd
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    smokeyrd Member

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    Yes...yes i do. Im gonna guess that the lack of response means nobody has heard of this. Anyone encrypting their droids other than me?

    Tap tap tappin on my Razr MAXX
  4. benf101
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    benf101 New Member

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    I concur

    I'm also experiencing horribad battery life (horribaddery life? ) with encryption. I'm on a RAZR M.

    With encryption on, I probably burn through 10-15% battery life per hour while barely touching my phone. All the other posts on this topic say that it doesn't affect battery life. In my case (and yours), they are wrong.

    I will probably go back to living on the edge with no encryption simply because of this problem. It's probably some government conspiracy to make us want to keep our data readable.
  5. leeshor
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    leeshor DF Super Moderator Staff Member

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    Encrypting any system puts a strain on the system. Everything you do needs to be decrypted on the fly before it can be completed then encrypted again.
  6. AECRADIO
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    AECRADIO Member

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    I take it that you are using an 'aftermarket' encryption module, or simply one that is software driven, like many iterations of DES, or AES-256.
    I deal with two way radio encryption modules that are for commercial radio systems which use a physical module installed inside the radio, then you connect a device called a 'keyloader' to program the encryption 'key', and then upload the entire sequence to the radio.

    I know all user-defined encryption for phones is strictly for data transmission, and any type of voice encryption is handled by the carrier, as it would be impossible for every handset maker to design compatible encryption devices that work with every model of phone, as well as modulation type, and there are many.

    As your encryption 'device/module' is active, it suggests this is an actual module, deriving power from the phone's battery, which will place a constant drain on phone resources just for thetask of providing end to end data encryption.
    All active devices that are tasked to be in a constant 'on' state should draw a minimal amount of current, but not so much as to be a heavy burden on the battery life, being commanded on and off as necessary, and being placed into a standby mode when not required.

    I am really interested in the type, modle and encryption level you are using, and what code string is being used to encrypt your data.

    If this is an installed device, does an icon appear on the display, indicating current activity of the device?

    So many questions, so little time....My life revolves around radio, and security features are a topic I have been involved with for close to a decade.
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