Robert Ou

@rqou_

Hardware/software engineer and hacker. Currently doing offensive security. Berkeley EECS BS 2016 MEng 2018. Tweets are my own opinions. he/him or they/them

San Francisco Bay Area, CA
Vrijeme pridruživanja: listopad 2016.

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  1. prije 4 sata

    "ERROR: ABC directory is a hg working copy! Remove abc/ and re-run "make"." Oops, looks like I really need to get back to hacking things

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  2. prije 5 sati

    this code is going to get rewritten later (bitbanging JTAG one bit at a time over control transfers, yuck), but it should be good enough to get blinky working Soon™

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  3. prije 5 sati

    I finally went and filled in enough of the <strike>owl</strike>USB stack that I can now bitbang JTAG and actually (attempt to) program the CPLD!

    "idcode is 0x06E1C093" is displayed on a terminal. A CuteRunner board is visible in front
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  4. 25. sij

    新年快樂🎉🐀

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  5. proslijedio/la je Tweet
    23. sij

    quick, stockpile småhaj before they're all gone

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  6. proslijedio/la je Tweet
    19. sij

    Followed by a fascinating glimpse into the dark world of clandestine chemistry and Breaking Bad:

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  7. 20. sij

    Engineering the next new superbug by simultaneously stacking multiple different con flus together... 🤒😷

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  8. proslijedio/la je Tweet
    15. sij

    1. Find an ecc root cert C 2. Create C' with the same public key and curve but set the generator to the public key of C 3. Create a normal signing cert C'' with key pair (pk'',sk'') and sign software/cert with sk'' 4. Sign C'' with sk=1 5. Ship software/cert with C'' and C'

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  9. proslijedio/la je Tweet

    Yep, ok, looks like the attack is changing the generator of the curve so you know the private key, and then confuse the validator by providing an alternative root (?) with the same public key but poisoned parameters.

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  10. proslijedio/la je Tweet
    13. sij

    🏳️‍🌈 Congratulations to Northern Ireland on marriage equality! 🏳️‍🌈

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  11. proslijedio/la je Tweet
    6. sij

    1/ Alright the people have spoken and they want more cat genetics. So, I present to you all "Cat Coat Genetics 101: A Tweetorial", feat. pics of many real life cats (for science, of course...this baby is Caterpillar).

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  12. 8. sij

    [cw food] blåhaj friend recovering from travels with a bunch of European nomz

    blåhaj toy behind a box filled with various types of chocolates, candies, and other snacks
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  13. 8. sij

    Trains getting followed by planes!

    LH454 boarding pass
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  14. 8. sij

    Made it to the airport!

    "Frankfurt am Main Flughafen Regionalbahnhof"
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  15. 7. sij

    Aaaand back to Germany. Hopefully I'll be at the airport just as I'm waking up...

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  16. proslijedio/la je Tweet
    7. sij

    I did a teardown on latest Form 3 3D printer. Their completely new "light processing unit" (LPU) is an impressive bit of engineering that has a the potential to scale in both speed and in build volume. As usual, I learned a lot! Full post at

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  17. 7. sij
    ÖBB Nightjet train
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  18. 7. sij

    RIP time to start leaving Europe :( :(

    Display at Wien Meidling train station
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  19. proslijedio/la je Tweet
    7. sij

    SHA-1 is a Shambles - First Chosen-Prefix Collision on SHA-1 and Application to the PGP Web of Trust: G Leurent, T Peyrin

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  20. 6. sij

    Internet of shit?

    Metalab toilet with RGB LEDs above
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