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Viewing profile — pqwy

pqwy

HN member
Joined
Tue, Jul 08, 2014, 6:13 PM UTC
HN karma
87
Public activity
15 items

About pqwy

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Recent public activity

  1. comment
    Comment #9931328

    This is more of an attempt to give little background on RNG problems in a security context, and a description of how MirageOS' crypto stack deals with RNG, with an emphasis on entr…

  2. comment
    Comment #9031030

    No, or at least not yet. :) You are probably thinking of these guys: http://www.mitls.org . They have a killer TLS, but it drags the entire CLR in. We are these guys: http://openmi…

  3. comment
    Comment #9030089

    Nope, not yet. ;_;

  4. comment
    Comment #9029927

    ... back.

  5. comment
    Comment #9029883

    Because I'm looking at GBs of SYNs scrolling down the terminal.

  6. comment
    Comment #9029785

    Syn flood...

  7. comment
    Comment #9029709

    Update: DDoS, SYN flood. Stay tuned...

  8. comment
  9. comment
    Comment #9029223

    Why do you think this creates malleability? PKCS1.5 stripping takes away the leading 0x00 0x01 0xff ... 0x00 -- if this prefix is not present, it fails. The rest goes through the R…

  10. comment
    Comment #9029119

    Hah, and I wondered how come we suddenly started getting MITM connections from several places. FWIW you can also do it with a single socat invocation, but I'll leave the exact comm…

  11. comment
    Comment #9028581

    Aaah, but you can try to do soooo much more! You can try to confuse the ASN.1 parser, or even the protocol level parser. You can try to defeat certificate validation logic. You can…

  12. comment
    Comment #8006409

    Sounds like a nice exercise, I'll try it. But since by and large the lines we have are expression and not statements (the core handler is purely functional, using a monad to thread…

  13. comment
    Comment #8006015

    That is exactly the question we have. And yes, the primitives are in C largely due to timing concerns.

  14. comment
    Comment #8006009

    It concerns us too. Right now the entropy in Xen domains is weak, but we are working with the rest of the team to feed some actual environmental noise to keep Fortuna well-fed. You…

  15. comment
    Comment #8005972

    Hey, (Disclaimer: one of the authors) We randomize the connection parameters on each connect to help us gauge the stack's behavior with various combinations (see https://github.com…