• 4 Posts
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Joined 3 years ago
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Cake day: April 5th, 2022

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  • […] the attack is an extremely expensive nation state level operation that doesn’t scale.

    About $250 at most. Quoting the linked page:

    Below is a list of equipment we used for the experiments.

    • (1) Software Defined Ratio (SDR): Ettus USRP B210 USRP, ~$2100.
    • (2) Low Noise Amplifier (LNA): Foresight Intelligence FSTRFAMP06 LNA, ~$200.
    • (3) Directional Antenna: A common outdoor Log-periodic directional antenna (LPDA), ~$15.
    • (4) A laptop, of course.

    Note that the equipment can be replaced with cheaper counterparts. For example, USRP B210 can be replaced with RTL-SDR that costs ~$30.

    To reproduce the attack: our GitHub repository provides the codes and instructions for reproducing and understanding the attack. We have prepared a ready-to-use software tool that can produce real-time reconstructions of the eavesdropped videos with EM signal input from the USRP device.








  • tavu@sopuli.xyztoPrivacy@lemmy.mlEtherpad or Cryptpad
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    9 months ago

    To be clear though: by E2EE here I mean browser-side encryption with zero-knowledge on the server side.

    Etherpad is still encrypted in transit with https; only the server can snoop.

    Cryptpad and other web-based E2EE services can still be completely compromised server-side by serving malicious code to the browser, and practically the user would never know.


  • tavu@sopuli.xyztoPrivacy@lemmy.mlEtherpad or Cryptpad
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    9 months ago

    Cryptpad:

    • Full-on google docs / office365 / libreoffice type replacement with collaboration.
    • E2EE
    • The complexity means it doesn’t work well on mobile, takes a while to load on a slow connection, more frequent bugs. (3.5 MiB page transfer)
    • Self-hosting is complicated.

    Etherpad:

    • A competent collaborative rich-text editor. Doesn’t do spreadsheets or presentations or […].
    • Not E2EE (you need to trust that the server a bit more).
    • Lightweight, works on slower connections, works alright on mobile. (1.7 MiB page transfer)
    • Self-hosting quite simple.

    PrivateBin:

    • Super-simple plain-text/markdown pastebin. No editing possible once saved.
    • E2EE
    • Very small. Works fine on slow connections and mobile. (0.2 MiB page transfer)
    • Self-hosting very simple.











  • tavu@sopuli.xyztoMemes@lemmy.ml150bpm
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    1 year ago

    Try different types of coffee, even different regions or growing conditions.

    Among arabica clutivars, Ethiopian beans seem to sit the best with me, Brazilian makes me anxious AF.

    I suspect altitude might be the correlation – Colombian, Kenyan, PNG also seem to sit well; Indian, Australian, Mexican also make me anxious.

    Brewing methods can give different feels, too. Espresso vs filter vs cold drip.