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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 2 Nov 2018
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      Allow me to summarize x86 side channel attacks: Spectre v1: speculation is insecure by design Spectre v2: secure branch prediction matters Meltdown: Intel are dumbasses L1TF: Intel are monumental, inexcusable dumbasses PortSmash: hyperthreading is insecure by design

      26 replies 620 retweets 1,290 likes
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    3. Hector Martin‏ @marcan42 3 Nov 2018
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      Replying to @Crypto_Destro @_jonasschnelli_

      They are obviously dumbasses. This is very clearly shitty design and not a deliberate backdoor. It's piss poor as a backdoor.

      1 reply 0 retweets 12 likes
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    6. Hector Martin‏ @marcan42 3 Nov 2018
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      Replying to @Crypto_Destro @_jonasschnelli_

      Ditch the conspiracy theories. Spectre v1 affects all CPUs because it affects CPU design as we know it and is taught in schools. It's an academic failure of the field of CPU design. It's not a backdoor.

      1 reply 6 retweets 28 likes
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    9. Hector Martin‏ @marcan42 3 Nov 2018
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      Replying to @Crypto_Destro @_jonasschnelli_

      Look, no offense but I don't have time for conspiracy bullshit. Believe what you want, but if you're going to pester me with it I'm just going to block you. If you know anything about how this whole thing works it's *obvious* this is not deliberate.

      1 reply 0 retweets 17 likes
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      Hector Martin‏ @marcan42 3 Nov 2018
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      Replying to @Crypto_Destro @_jonasschnelli_

      If there are "baked in vulnerabilities" they're going to be stuff like secret opcodes/MSRs/whatever, not shitty speculation and side channels that can be partially countered with software defenses.

      5:27 AM - 3 Nov 2018
      • 10 Likes
      • 𝐀𝐥𝐞𝐱 𝐂𝐮𝐫𝐫𝐚𝐧 Light Prism Germán Ríos González Luis crispy abolitionist topping DanielMicay ガリ　マット　です、はじめまして Joshua Yanovski Axel Gneiting
      1 reply 0 retweets 10 likes
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