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Google is working on essentially putting DRM on the web (github.com)

submitted 1 year ago by jherazob to c/technology

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The much maligned "Trusted Computing" idea requires that the party you are supposed to trust deserves to be trusted, and Google is DEFINITELY NOT worthy of being trusted, this is a naked power grab to destroy the open web for Google's ad profits no matter the consequences, this would put heavy surveillance in Google's hands, this would eliminate ad-blocking, this would break any and all accessibility features, this would obliterate any competing platform, this is very much opposed to what the web is.

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[–] ilmagico 4 points 1 year ago (1 children)

Look, I hate this proposal from Google as much as anyone else here, but let's stick to the facts.

As the "assembly" part indicates, it's intended to be as hard to analyze

The "assembly" is just a reference to machine instructions, a.k.a "assembly language".

Minified javascript, on the other hand, is made with the express purpose of obfuscation and as well, minimize load times, but mainly obfuscation in practice.

That's to say, you don't need webassembly to make it hard to reverse engineer. At least webassembly is a standard.

First there was Java, then there was Flash, now there is Webassembly

First, there were machine instruction, then people invented handy mnemonics for those and called "assembly language". Then there was C, then C++ (let's skip the basic, pascal, etc) and those weren't meant to be hard to analyze, they were and still are meant to be close to the machine, to be fast. Webassembly has similar goals. They can be relatively easily decompiled, just as much as webassembly I'm sure, unless they are purposefully obfuscated.

Just like native machine code and javascript, it can be decompiled/reverse engineered, and also obfuscated, but that's not its goal, not as stated nor in practice.

[–] jarfil 6 points 1 year ago* (last edited 1 year ago)

You went a bit too far back, I was talking about compiled languages intended for the web.

There is nothing easy sbout decompiling native code, even before we start with jumps into the middle of instructions and polymorphic code. Reverse engineering obfuscated JavaScript is orders of magnitude easier than that, and most minified JavaScript isn't even obfuscated.

The only saving grace for Webassembly is that it requires keeping stuff in blocks, with if, then, else, etc. reasonably delimited, and (I think) it doesn't allow too many shenanigans with indirect calls. But stuff like br_table, doesn't make me particularly eager to tackle decoding what someone meant.