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wdormann's profile
Will Dormann
Will Dormann
Will Dormann
@wdormann

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Will Dormann

@wdormann

Vulnerability Analyst at the CERT/CC. My thoughts are my own, not my employer's.

Joined August 2012

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    1. Cybergibbons‏ @cybergibbons Jan 13
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      Cybergibbons Retweeted Cybergibbons

      The Pi has a built-in hardware RNG. It's available on /dev/hwrng, as root. It doesn't seed /dev/randomhttps://twitter.com/cybergibbons/status/1216316368368406528 …

      Cybergibbons added,

      Cybergibbons @cybergibbons
      Off the top of your head - no Googling. Or Binging. Or DuckDuckGoing Does the Raspberry Pi have a hardware/true random number generator?
      Show this thread
      23 replies 65 retweets 337 likes
      Show this thread
    2. Nicholas Weaver‏Verified account @ncweaver Jan 13
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      Replying to @cybergibbons

      What? Why the fuck is it not used as an entropy source into /dev/random?

      2 replies 0 retweets 16 likes
    3. Justin Cormack‏ @justincormack Jan 13
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      Replying to @ncweaver @cybergibbons

      Because Linux kernel devs think this is policy so belongs to userspace.

      3 replies 0 retweets 9 likes
    4. Nicholas Weaver‏Verified account @ncweaver Jan 13
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      Replying to @justincormack @cybergibbons

      GAAAAHHH! I agree with "don't use the hardware RNG exclusively", but damn.... GAHH.. The Linux Stupidities: They Never End!

      3 replies 1 retweet 12 likes
      Will Dormann‏ @wdormann Jan 13
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      Replying to @ncweaver @justincormack @cybergibbons

      It seems about on par with the mindset outlined here:https://research.nccgroup.com/2019/12/19/on-linuxs-random-number-generation/ …

      12:02 PM - 13 Jan 2020
      • 2 Retweets
      • 6 Likes
      • Caleb Smith John Dalton Cybergibbons Mark Boyle Jonas Tony “Abolish ICE” Arcieri 🦀 Jeff Schroeder
      2 replies 2 retweets 6 likes
        1. Jonas‏ @magnetic_tape Jan 13
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          Replying to @wdormann @ncweaver and

          Good read, thanks.

          0 replies 0 retweets 0 likes
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        2. Justin Cormack‏ @justincormack Jan 13
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          Replying to @wdormann @ncweaver @cybergibbons

          See also comments here about "just do it in userspace"https://lwn.net/SubscriberLink/808575/d140c79f9129062a/ …

          1 reply 0 retweets 3 likes
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