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RichFelker's profile
Rich Felker
Rich Felker
Rich Felker
@RichFelker

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Rich Felker

@RichFelker

Yeah, I do @musllibc, FOSS & infosec stuff. But now is not the time for a mostly-/only-tech Twitter feed.

musl-libc.org
Joined March 2014

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    1. Matthew Green‏ @matthew_d_green Apr 12

      We live in a world where all phone device encryption is (inexpensively) broken, and yet the FBI is making a renewed push for crypto backdoors. What exactly are they thinking?https://motherboard.vice.com/en_us/article/vbxxxd/unlock-iphone-ios11-graykey-grayshift-police …

      9 replies 87 retweets 124 likes
      Show this thread
    2. Chad Loder  ❇️‏ @chadloder Apr 12
      Replying to @matthew_d_green

      Matt, is there any writeup on how GrayKey works? It’s interesting that they have an ex-Apple security engineer on staff.

      2 replies 1 retweet 5 likes
    3. Matthew Green‏ @matthew_d_green Apr 12
      Replying to @chadloder

      Nobody knows. It’s literally a black box. Obviously it uses some kind of Lightning exploit that disables throttling and security checks that the SEP is supposed to perform. But who knows.

      2 replies 1 retweet 6 likes
    4. Rich Felker‏ @RichFelker Apr 12
      Replying to @matthew_d_green @chadloder

      Someone should mod an iPhone (sw or physically) to log and exfiltrate the attack and leave if where some incompetent & overfunded local LE will plug it in one of these.

      1 reply 0 retweets 3 likes
    5. CopperheadOS‏ @CopperheadOS Apr 12
      Replying to @RichFelker @matthew_d_green @chadloder

      They might have other vulnerabilities stockpiled which would explain why they're being so brazen about it rather than trying to protect their exploit from getting leaked and fixed.

      2 replies 1 retweet 9 likes
    6. CopperheadOS‏ @CopperheadOS Apr 12
      Replying to @CopperheadOS @RichFelker and

      Once the exploit is fixed, they could sell a whole new round of these to the same law enforcement agencies since the old ones aren't going to work for updated phones. It's really in their interest to have it leaked eventually as long as they can get other exploits working.

      1 reply 0 retweets 4 likes
      Rich Felker‏ @RichFelker Apr 12
      Replying to @CopperheadOS @matthew_d_green @chadloder

      Well unless the new round is just as friendly to non-technical cops, they might have a hard time selling them. A $15k device anyone can use is a lot more attractive than a $15k device that also requires a highly-paid forensic technician.

      4:32 PM - 12 Apr 2018
      • 1 Like
      • Albert Lunde
      0 replies 0 retweets 1 like

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