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File: 1deb13123051534⋯.pdf (511.29 KB, 2019-459.pdf)


From Collisions to Chosen-Prefix Collisions - Application to Full SHA-1

A chosen-prefix collision attack is a stronger variant of a collision attack, where an arbitrary pair of challenge prefixes are turned into a collision. Chosen-prefix collisions are usually significantly harder to produce than (identical-prefix) collisions, but the practical impact of such an attack is much larger. While many cryptographic constructions rely on collision-resistance for their security proofs, collision attacks are hard to turn into a break of concrete protocols, because the adversary has limited control over the colliding messages. On the other hand, chosen-prefix collisions have been shown to break certificates (by creating a rogue CA) and many internet protocols (TLS, SSH, IPsec).

In this article, we propose new techniques to turn collision attacks into chosen-prefix collision attacks. Our strategy is composed of two phases: first, a birthday search that aims at taking the random chaining variable difference (due to the chosen-prefix model) to a set of pre-defined target differences. Then, using a multi-block approach, carefully analysing the clustering effect, we map this new chaining variable difference to a colliding pair of states using techniques developed for collision attacks.

We apply those techniques to MD5 and SHA1, and obtain improved attacks. In particular, we have a chosen-prefix collision attack against SHA1 with complexity between 266.9

and 269.4 (depending on assumptions about the cost of finding near-collision blocks), while the best-known attack has complexity 277.1. This is within a small factor of the complexity of the classical collision attack on SHA1 (estimated as 264.7). This represents yet another warning that industries and users have to move away from using SHA1 as soon as possible.


Post yfw Bittorent and Git still use SHA1

29 posts omitted. Click reply to view.



Any technological progress we are experiencing now already existed in secret 30 years ago.




Okay then, ECHO256 from SHA3 competition round 2. Get me a whitepaper on it vs Blue Midnight Wish 512 and BLAKE2b



>round 2



File: 673b4a4a0f061ea⋯.png (456.31 KB, 500x647, 500:647, skinofevil.front.png)


Welcome to /aosg/, where we discuss operating systems other than Windows, GNU/Linux distributions, and macOS.

*As this is a new general, it's heavily underwhelming and incomplete! Improvements, tips, and contributions are more than welcome!*







>Notable systems:

-Haiku: A system inspired by BeOS that's starting to gain more popularity. As of writing, a Firefox port is underway. https://www.haiku-os.org/

-ReactOS: A binary-compatible OS that aims to just werk with Windows programs. https://reactos.org/

-9front: A fork of Plan 9 from Bell Labs that has advantages over the original system. http://9front.org/

Pic: 9front's SKIN OF EVIL release

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both the wiki and site about TempleOS say it is public domain, I thought Terry released it into the public domain while clearly alive:




Yeah GNU/Linux are incompatible, for lack of a better word I want something that's "linux-like" without being Linux because of the licensing.

I know it's bad to create something for licensing alone as it compromises features, but on the other hand a lot of linuxes are created for lesser reasons. To me a PD distro would be worth the creation as it is fully free unlike the pseudo-free alternatives in my view (would be interested in a very minimal-feature distro with essentials and allowing the best new stuff to not be compatible for now just to see such projects get started).

Another question I was wondering about was when these copyleft things go in to the public domain; typically, copyright only lasts so long and then (unless renewed) it expires into the public domain as far as I know; copyleft hasn't discussed this as much as I've seen although maybe they have, but if they follow the rules like copyright (I don't think they intend to but are trying to create a perpetual copyleft license) then GNU/Linux will be in the public domain eventually.



imo OpenBSD way is better


DragonFlyBSD/OpenBSD/NetBSD already exist (they aren't GPL'd)


Terry said numerous times that TOS is 100% in public domain



People can and do release things in the public domain straight away.

TempleOS is one of those


Ubuntu is fine, I don’t care about kernels and systemd is just another software that I’ll never pay attention to. If you’re worried about bloatware then maybe you should buy a 21st century hard drive.



wrong thread (pls read the subject and op)

Also, (((ubumtu))) and (((SystemDick))) are not fine at all. You should install a *BSD or Gentoo or some other distribution of GNU/Linux that doesn't have SystemD >>>/tech/1072502

File: ac70d2fd074b6bb⋯.gif (464.33 KB, 500x338, 250:169, 1520698095890.gif)


Is github a free speech git repository or should I move my gamedev github to an alternative?

I want to make some politically incorrect games about jews, niggers and even make child rape games.

Is github safe for this or will they delete my github because of that?

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Gitea has the best UI. Though that's a little since you have to host it yourself.



*a little off-topic



there is no free speech on the internet


File: 0dab794b0859fb4⋯.png (184.48 KB, 838x683, 838:683, 14298529849.png)


>literal copy of github ui




>the american kind of free speech.

So you got the stuffed brown envelopes ready?

File: 06772b450e04bb1⋯.jpg (454.69 KB, 1440x2960, 18:37, Screenshot_20190704-030429….jpg)


Which app do you prefer to use? What are the advantages and disadvantages of your apps?

I personally use Clover

+It has a very intuitive design, unlike other clients. Browslng, posting gets really comfortable.

+ Themes are nice

- Some features missing for 8ch

- Only supports halfchan and 8ch

15 posts omitted. Click reply to view.



Android follows Unix philosophy best.

Simple, purpose-specific applications that work well at their task.

General Computing was a mistake.

That's why Fuchsia and other microkernels will win.

The only things bad about smart tv, tablet, phone type purpose-specific arrangements is the surveillance. Which isn't inextricable.

We can have purpose-specific elegance as opposed to your general purpose cancer in our lifetime.

It's like you envy cloacas. I don't want to shit, piss and ejaculate from the same hole, bro







This is awesome




File: 5e548cd78df1252⋯.png (141.13 KB, 1080x1706, 540:853, Screenshot_20190705-165431….png)

using omnichan

it's nice, but i have a feeling it'll be useless soon because of the lack of updates from the dev

File: 95b794b3e8239b3⋯.jpg (32.4 KB, 945x329, 135:47, botnetDown.jpg)

File: 4c89e9809ba37f8⋯.jpg (138.25 KB, 820x908, 205:227, botnetDown2.jpg)



>Facebook, Whatsapp and Instagram reporting problems sending and receiving images.



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>top comment is do your job, you filthy wage slave




t. Normalfag that has to be plugged into Facebook 24/7



FB insta and whatsapp belong all to zuck. Why no one know this yet?



Is this the power of autism? He likely meant that it's up by a value of EIGHT TO TWELVE POINTS.



why do you even know that

File: 6fc01fa32961dee⋯.jpg (1.17 MB, 2816x2624, 44:41, TIMESAND___QDRH.jpg)


I have this disproof of the Riemann hypothesis and I want to use it to come up with the general solution to RSA encryption, and actually all prime factorization encryption algorithms. After disproving RH, what is the next step? Also, thread about RH.

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File: 7d499db6fc05778⋯.jpg (997.59 KB, 1728x3760, 108:235, TIMESAND___736r87nzyr2enbx….jpg)


It is you all that write those sorts of posts that are the schizo posters. You are posting "schizo."


File: b90f4091f1eceb4⋯.jpg (88.79 KB, 1240x1754, 620:877, crackpot (1)-page-001.jpg)


Your "paper" has gotten worse. It's clear that you don't know what the meaning of a proposition is when used in mathematical literature, and theorems 1.9 and 1.10 are particularly retarded.

I appreciate that you tried to change your drivel in response to the easily found contradictions I showed you earlier in the thread, but your standard of proof has actually fallen.



The fact of the matter is that you will never get to accomplish this on account of (((them))) not wanting to give up their grasp on the 3 letter agencies that have been enslaving the white man since the great purge of 1995 that happened no doubt for reasons we will never fully comprehend. The truth is that the government will always be watching, always been and always will be. There is no escape from the hell that is macro and micro scale economics.


File: 8f9cea8b636e374⋯.jpg (92.55 KB, 400x456, 50:57, TIMESAND___qvle61fswwr3gt4….jpg)


Does it seem to you like I don't even have the equivalent of an undergraduate degree in mathematics? If so, I can tell you exactly why it seems that way. Riemann hypothesis or no (and it's most obviously a yes), there are free energy UFOs with death rays on them flying around as I type this, and that technology is derived from my two independent theories of electrogravity and negative time.


>you will never get to accomplish this on account of (((them)))

You are wrong Pic related, that's my name up there. There's a term in computer science: "rooted." Are you familiar with this term?



>Does it seem to you like I don't even have the equivalent of an undergraduate degree in mathematics?


>I can tell you exactly why it seems that way.

No need, I fully understand the reason.


Take the triforce chans and masterchan to an extent. They operate in the thinnest of gray areas and are actively used to trade CP. And yet despite all that they keep coming back. The operators are never arrested, the servers are never really touched. All that happens if that their domains get shut down and they play whack-a-mole with global law enforcement. How? They seem to have a reverse proxy or IP trading service called Incrediserve, and I imagine they're probably hosted on some shady Ecatel, Quasi network, bullet proof hosts. But still, how do they stay online and out of jail while obviously hosting child porn and borderline child porn?

29 posts omitted. Click reply to view.



Don't grt caught.



thx. will do


Mchan isn't actually illegal afaik



>Don't get caught.





Remain hidden.

File: 243d861bffeb260⋯.jpg (6.79 KB, 190x265, 38:53, images(6).jpg)


>ctards and lispcucks still don't know what the best language is

Have you mastered the STACK, yet maties?





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What do you guys think of Factor?



factor is bloat



I'm interested OP, please tell me about it

>What is this about

>What makes it different from C and Lisp

>Where is it used

>What can I learn about computing from learning this

>The potential of this



>>What makes it different from C and Lisp

It uses a stack (well, two stacks) to store values on, which means you have to get used to start thinking in stacks.

Maths has a certain closeness to ASM math.

>Where is it used

Drivers and NASA shit.


Is there something like a graphics library that works on modern Linux/BSD for FORTH? Or at least a curses-like thing?

Or do I have to write it myself?



I don't know about graphics library or curses bindings, but it's easy to use ANSI escape codes for doing TUI stuff. There's a VT100 example bundled with this, and just by looking at it you can see it's not complicated.


File: 06bd7c88cee546d⋯.jpeg (93.15 KB, 1280x720, 16:9, feministJs.jpeg)

File: 6ea7aff026a73d8⋯.png (651.81 KB, 730x498, 365:249, niggerJs.png)

File: 026f5667045c314⋯.jpeg (57.89 KB, 1025x426, 1025:426, npm-faggotry.jpeg)


Webdev in gen is full of sodomites, shitskins, and sjws and the whole state of it fucking repulsive. Python seems just as fucked along with most low barrier languages.

Not asking for career advice, but I was laid off a year ago and I'm limited to corp2corp/freelance work. Unfortunately, ReactJS remote work seems in high demand so I may have to say fuckit and just do that. Are any of you anons making any money with Haskell, C, Erlang, or Kotlin?

28 posts and 1 image reply omitted. Click reply to view.



>like XHR

Use fucking forms and the HTML5 video tag when possible.



Server side rendering is still good enough for most web 'apps'.



I watched one of the official Vuejs video introductions and it was just some faggot soynerd that kept giggling obnoxiously like a girl. Kikebook seems to have fixed their shitty license model for React so I don't see it disappearing from the job boards anytime soon.


Perl has become a boomer language

Python hates huwhite men

is Rails still relevant?


I'm working through the CSS3 spec now. Plain HTML/CSS for SPAs with maybe something like Nim (who refused to impl a CoC) for server side stuff seems adequate.



HTML was ultimately just a way of enhancing plain text documents. Sometimes when I see shoehorning HTML and JS into the "SPA" model, I can't help but think, wouldn't we all be better off if the browser was just a sandboxed virtual machine like the JVM and "visiting" a website was just a way to download and run a remote binary? There are so many use cases that HTML is being used for where it makes no sense at all.

Of course many sites are still like tabloids and magazines, where HTML is a very logical medium, but the rest is software that used to be native, but nobody can be bothered to install anything (and most companies won't actually let employees install any discretionary software at all, anyway).



That sounds like how a smalltalk system would have worked IIRC.


Put any content you like.

No logs, no filters.


15 posts and 1 image reply omitted. Click reply to view.



I was being sarcastic, but anyways i think you can put img tags with a src (could be base64 if you want).



you should set the form method to POST so that when somebody without javascript tries to use the form it doesnt sent a GET (which also have csrf token in the url) and add a little noscript tag so we know :^)

otherwise pretty cool



File: 636b26cefc5fd7e⋯.png (513.02 KB, 1109x818, 1109:818, Screenshot at 2019-07-01 2….png)


>no option to set background color

>open "source code" dialog and write it in manually

>try both the html tag and inline css

>preview shows new background color only with inline css

>save page

>page itself is still white

Pretty gay tbh.


what's the point of this when neocities exists?

File: 4935df3772d22d1⋯.jpg (2.3 MB, 3648x2736, 4:3, HP-HP9000-C110-Workstation….jpg)


What's /tech/'s opinion about the current state of hp?

10 posts and 3 image replies omitted. Click reply to view.


File: 0c13a491fdc465c⋯.png (176.97 KB, 438x393, 146:131, 0c13a491fdc465c847de0e336d….png)


>In the middle of a trade war

>With increased tarrifs

>Amid slowing market share in China

>In the middle of hiring new people to a new facility just down the road from the original manufacturing plant

<"Lets move manufacturing of our most expensive small volume product overseas to subject it to trade tarrifs since most of them will have to be shipped back to their core markets!"

Well Apple never was known for making good decisions



>the USA lacks the same massive employment pools as China. He probably also meant American working wages are too high compared to China as well

Supply and demand.


Let it die


>I'll tell you the problem

>It's a HP

>And you know what "HP" stands for, don't ya?

>Stands for Fix it again, Tony.

HP's UNIX Market is a zombie, and the only thing they're quasi-good at now is mainframe and printers. Their PC line is retarded


Mac Pro is a forcememe device and the important parts, the CPU, GPU and screen, aren't made by Apple, and most of them not in America. The only reason Tim Cook is moving manufacturing to China is he's gay and hates Trump. American high tech manufacturing, and the software industry, were destroyed not because it's actually cheaper or more effective to do it overseas but so the managers can say I have an international team of 40 highly credentialed people instead of having a team of 4 competent people who would compete with the manager for recognition.

File: 57a92f72a17d2ae⋯.png (33.09 KB, 337x511, 337:511, nano.png)

File: dec96a10cd080ee⋯.png (198.39 KB, 1000x662, 500:331, 2019-03-01-124321_1000x662….png)


Old thread hit 400 replies: >>996935

Nanochan is a tor only imageboard written in lua:


Source code:


Changes since the last thread:

>the old v2 onion address has been redirected to the new v3 address

>is there gonna be another /tech/ thread needed after the current one hits 400?

<I'm not going to make one. In retrospect I actually think it was a mistake to advertise on pigchan in the first place

Discuss alternative imageboards, web dev best practices, and call each other faggots

307 posts and 33 image replies omitted. Click reply to view.



we're not here to entertain you faggot


>shit website. doesn't support VM's.

what did he mean by this?



that green looked way better. current color is disgusting. like im stuck in a hospital bed staring at the wall.


okay sorry im just shit posting. it looks good.




> Not knowing what word filters are

> Not knowing what minimum character requirements are

> Not knowing what Natural Language Processing is

To the trash it goes

File: b5511c681a8a7de⋯.png (315.63 KB, 549x681, 183:227, Pin me down.png)

File: 343309e623cd2d2⋯.jpg (1.02 MB, 2560x1600, 8:5, HD 6XX.jpg)



What AMPs are you faggots using? I'll be getting an HD 6XX soon and is currently looking for an AMP. I'm currently looking at the Fiio E10K and the K3 but don't know the difference between the two. Any amps you'd recommend?

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I'm the one who posted >>1061608

I've received the HD 660 and tested it.

Don't buy it. Even for half the price.

Also, the TIN T2s are fucking amazing.




This site has shit tons of information on dynamic range for different albums. It’s superb if you like CDs.

I like CDs. I have many thousands of them.



Have tried Etymotic ESR4s?



That’s an awful lot of generalization there.


File: 0cf95dfd0584e7f⋯.jpg (83.44 KB, 1500x661, 1500:661, ur28m.jpg)

I run a small mix/VO studio out of my home. Nothing fancy but it is profitable enough to keep me in new gear. Interface is a Steinberg UR28M for plenty of I/O, decent pres, monitor switching and auto-ramp. Monitors are some DIY Avantone mixcubes, older Polk monitor 40's and Adam A5's although usually only 2 sets are connected to make I/O room for a 500 rack. The passive speakers are powered by old Onkyo receivers. Headphones are AKG m80's for tracking work, Beyer 770's for mixing and listening and isolation for V/O work although they move around depending on the client.

File: 171925002446bab⋯.png (34.54 KB, 535x577, 535:577, feel_the_pain.png)


>Starting January 31, 2019, the Classic version of Yahoo Mail will no longer be available. At that time, you’ll be upgraded to the latest version of Yahoo Mail or Basic Mail, depending on your browser’s compatibility



I'm a few months late, but they switch to js pozmail finally happened. Do you guys know of any email service that isn't js and isn't google?

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what is the best mail client program?



there was a non-JS version??? you can't even get on there without phone number "verification" for like the last 10 years (IIRC)


they're all shit. it's either UNIX braindamage or a retarded piece of shit that executes JS contained in the emails



>they're all shit

try thunderbird



>what is the best mail client program?




How is a fucking mailer Unix? Jesus, you faggots just say "Unix braindamage" for no reason at all. It's the new "botnet" forced meme. You anti-unix retards remind me of "not like all the other girls" mentality as you parrot the same quips in lockstep.

Sylpheed a cross compatible and plaintext by default. Ignore the brainet with zero original thoughts.

File: a8fe6e23c2bace6⋯.pdf (2.91 MB, gov.uscourts.casd.626722.1….pdf)


California is filing it in response to the Synagogue and Mosque attacks, they've been keeping a real close eye on us.

Thanks a fuckton /pol/.

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File: 0b625660bc1a5c5⋯.png (269.04 KB, 874x2491, 874:2491, religion.png)



>my site is dead

I wonder why.


tldr LOL



Because I started it a year ago.



Because you are a flaming faggot.



It's just cops as usual seeking to "fix" a problem even though they already v& the guy responsible and don't need to do anything more. You know, gotta look busy/competent when you work in a consumerist/capitalist market.

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