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marcan42's profile
Hector Martin
Hector Martin
Hector Martin
@marcan42

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Hector Martin

@marcan42

If it ain't broke, I'll fix it! I'm porting Linux to Apple Silicon Macs at @AsahiLinux. http://patreon.com/marcan  | http://github.com/sponsors/marcan 

Tokyo, Japan
marcan.st
Joined May 2009

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    1. Hector Martin‏ @marcan42 12 Mar 2020
      • Report Tweet
      • Report NetzDG Violation

      Hector Martin Retweeted Guido Appenzeller

      The Chief Product Officer at Yubico thinks "long passwords" offer little security. 2ee75ee4e4b359576257fc7d3bfc5ec75d358f10e17caf9e668e09cc032af36d That is the SHA256 of the 76-character passphrase to my master backups, plus '!'. Pwn me. I'm waiting.https://twitter.com/appenz/status/1238121735142031360 …

      Hector Martin added,

      Guido Appenzeller @appenz
      Replying to @appenz @marcan42 and 2 others
      And I am not sure how effective wrapping really is. The secure element has very low compute performance as it needs to operate with just NFC power. Today brute force attacks run on huge farms of cheap AWS spot instances and even long PINs/Passwords offer little protection.
      9 replies 25 retweets 126 likes
    2. Andrew Zonenberg‏ @azonenberg 12 Mar 2020
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      Replying to @marcan42

      76 characters? You have me beat. Most of my root passwords are UUIDs or derived from them - I figure 124 bits of /dev/urandom is enough.

      1 reply 0 retweets 2 likes
    3. Andrew Zonenberg‏ @azonenberg 12 Mar 2020
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      Replying to @azonenberg @marcan42

      Of course, since I also have SSH password login disabled, even cracking it won't do you any good unless you have local console or an SSH client certificate session to "su" from...

      1 reply 0 retweets 2 likes
    4. Hector Martin‏ @marcan42 12 Mar 2020
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      Replying to @azonenberg

      Ah, but you see, on my most sensitive machine I use *both* key *and* password login (yes, you can do that with SSH). :-)

      1 reply 0 retweets 3 likes
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      Hector Martin‏ @marcan42 12 Mar 2020
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      Replying to @Wxcafe @azonenberg

      I put my key in a Yubikey (yeah, I know... probably finding something else now) so u2f would be somewhat redundant.

      8:43 AM - 12 Mar 2020
      • 1 Like
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