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#proof

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N-gated Hacker News

🎭 Ah, behold the mighty #Anubis, the self-proclaimed savior of #HTTP requests! 🌐 Apparently, it uses #proof-of-work to filter out #AI bots—because who needs efficient solutions when you can just put them to work like #digital 🐴? Just don't mind the placeholder text, it's only there because the developer is battling unforeseen #fame while armed with #React and a dream. 🚀
anubis.techaro.lol/ #bots #development #HackerNews #ngated

anubis.techaro.lolMaking sure you're not a bot!
Public
claude

inspired by tavis' deep field #nebulabrot #DeepZoom images on #fractal #fractals forums, I did a little shader that for each c in the complement of the #MandelbrotSet M, colours according to how often z <- z^2 + c hits a given small target disc , weighted by derivative (as a proxy for point density).

it looks as though the hit sources are distributed everywhere near the boundary of M, which i think i can prove for target discs outside a sufficiently large esape circle, but i'm not sure how for discs nearer M. intuitively, by the time any cell pair in binary decomposition of exterior escapes, it covers an annulus with radii R, R^2, so any disc outside R will be hit by some region in every cell pair.

boundary of mandelbrot set and some nearby discs in shades of purple, pixelated.
ALT
#math#maths#proof
Public
Rafael

I'm still working through that algebra and trig book by Fisher and Ziebur. I just finished the section on linear functions and I picked up another gem. I always knew that y=mx+b was linear but I'd never seen it proved. Or even thought about proving it. But, they provide a nice proof (starting on p.64). There isn't space to reproduce it here but it relies on the triangle inequality and is a satisfying bit of algebra!

#math#algebra#proof
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gellenburg :heart_pride: :verified_gay:

@fsf@hostux.social I'm going to need to see some #proof and #evidence of your claim that #Widevine provides a hardware #backdoor into my machine, considering that it's a #software component.

Do you happen to have a source for that claim?

Edit: I provided the proof that the FSF is full of shit. https://queerfedi.com/notes/a1hwepppepwf00jj

RE: https://hostux.social/users/fsf/statuses/113608596180249339

QueerFedigellenburg :heart_pride: :verified_gay: (@gellenburg)@amszmidt@mastodon.social @fsf@hostux.social The #FreeSoftwareFoundation/ #FSF is full of shit. Full stop. Their characterization is exaggerated and misleading. #Widevine is not a "#hardware-level #backdoor" that gives #StreamingServices "permanent access" to "deep components" of your device. Widevine is a #content #protection technology developed by Google and used by many streaming services to prevent unauthorized access and piracy of digital content. It operates at different security levels, with varying degrees of hardware integration, but none of these constitute a "backdoor". Widevine offers three security levels: 1. **Level 1 (L1)**: The highest security level, where content processing and cryptography operations are handled inside a Trusted Execution Environment (TEE) on the device's hardware. 2. **Level 2 (L2)**: Only cryptography operations are handled inside a TEE. 3. **Level 3 (L3)**: Content processing and cryptography operations are handled in software, without a TEE. Widevine's primary functions are: 1. Content #encryption to prevent unauthorized access 2. Secure #key #management 3. Adaptive security based on device capabilities and content quality FSF's claims about a **"hardware-level backdoor"** is false. Widevine uses hardware security features when available (L1 and L2), but it's not a backdoor. FSF's claims about **"permanent access"** is false! Widevine does not provide permanent access to your device. It operates only when you're using a service that implements it. FSF's claims about granting services access to **"deep components of your machine"** is false! While Widevine does interact with hardware in L1 and L2 implementations, it's limited to specific, isolated areas designed for secure processing. It doesn't have unrestricted access to your entire device. FSF significantly exaggerates the nature and impact of Widevine #DRM. Widevine is a content protection technology, not a "backdoor" or unrestricted access mechanism for streaming services. It's almost like the FSF has an agenda here they're pushing, and to help push their agenda they're literally making shit up in the process. https://social.cyware.com/news/googles-widevine-l3-drm-cracked-by-a-security-researcher-eaed58ca https://github.com/seanpm2001/Its-time-to-cut-WideVine-DRM https://www.irisa.fr/en/node/1234 https://krebsonsecurity.com/2020/10/google-mending-another-crack-in-widevine/ https://www.fsf.org/givingguide/v12/ RE: @gellenburg@queerfedi.com Wildevine is not a pure software component, for L1 (specifically), and L2 it can use hardware backdoors like ARM Cortex processors with "TrustZone". This is very basic research, and you could do it yourself. @fsf@hostux.social RE: ...
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