crnkovic

6 ms·

1.
by crnkovic 9mo ago
Converso renamed itself to Freedom Chat after my blog post: https://crnkovic.dev/testing-converso/
2.
by crnkovic 3y ago
https://crnkovic.dev/ I write infrequently about things that interest me. My most popular: https://crnkovic.dev/testing-converso/
3.
by crnkovic 3y ago
> whether the massive vulnerability you discovered was fixed. Which massive vulnerability in particular? You'll have to be more specific, haha. I confirmed the Firestore collections had some kind of server-side security rules added
4.
by crnkovic 3y ago
Glad you enjoyed it.
5.
by crnkovic 3y ago
Who knows!
6.
by crnkovic 3y ago
Thank you! Glad you enjoyed it.
7.
by crnkovic 3y ago
Thanks! I'm glad you found it as interesting and thrilling as I did while discovering each (exponentially worse) mistake.
8.
by crnkovic 3y ago
The problem with these tools is that they're extremely complicated to set up and use. Grandma wants a phone number, not a v3 Tor Onion Service address. I'm interested in usable E2EE messaging apps -- that's what I compared Co
9.
Testing a new encrypted messaging app's extraordinary claims(crnkovic.dev)
199 points by crnkovic 3y ago|36 comments
10.
by crnkovic 3y ago
> This is basically an indirect validation that most non listed messaging apps supposedly offering e2e encryption such as Whatsapp or Signal have backdoors with access from any government asking for access. More likely: the government do
11.
Signal Groups V2 is a privacy downgrade(crnkovic.dev)
2 points by crnkovic 3y ago|0 comments
12.
by crnkovic 3y ago
> if this was a non-issue they wouldn't be patching it As far as I can tell, nobody is claiming it's a 'non-issue'. Rather, it's a minor issue with an impact that is greatly exaggerated or sensationalised by the
13.
by crnkovic 3y ago
This appears to be a description of a theoretical attack to cause a specific target networked Bitcoin node to consume quite a bit of bandwidth by returning blockchain data to the attacker. It doesn't seem like this would have any effec
14.
by crnkovic 3y ago
The blocked apps are: 1. Briar (decentralised encrypted chat app): https://briarproject.org 2. Crypviser (decentralised encrypted chat app): https://crypviser.network 3. Enigma (encrypted chat app): https:/&#x2