All Questions
Tagged with end-to-end-encryption whatsapp
14 questions
1
vote
2
answers
211
views
Can the WhatsApp servers really not read our messages?
As Whatsapp uses Diffie-Hellman algorithm for a key exchange and SSL certification ensures the authenticity of its server for the end user like me.
As per my understanding, messages first has to go to ...
- 11
1
vote
0
answers
21
views
How do end-to-end encryption (E2EE) IM apps implementing push notifications? [duplicate]
Say WhatsApp and Signal on Android devices, how do they keep the E2EE not be broken?
Some answers claimed that WhatsApp uses VoIP background mode on iOS to make the push notification invoke the app to ...
- 11
5
votes
1
answer
1k
views
Free messaging (but not images, video, etc) on United Airlines free wifi: is it secure?
I recently flew with United Airlines and I used their free messaging wi-fi plan.
I could text my friends on Whatsapp, but I could not send (nor receive) multimedia content like images, videos or audio ...
- 153
4
votes
1
answer
607
views
Is the new Whatsapp Web update compatible with E2E encryption?
You may see this question as a logical successor of this post.
With the new Whatsapp Web update it is now usable without keeping the smartphone online. I can't imagine how this is compatible with End-...
- 65
13
votes
4
answers
11k
views
How To Recover End-To-End Encrypted Data After Losing Private Key?
I'm creating a mobile app which has chat feature in it. Since I wanted to make it secure, I'll do some encryption to messages and the data. I'm thinking of using End-To-End encryption for it but I've ...
- 257
3
votes
2
answers
2k
views
If Whatsapp media messages are e2e encrypted, what is the point of storing popular messages on the server?
There is something I don't understand about whatsapp's privacy policy.
Your Messages. We do not retain your messages in the ordinary course of providing our Services to you. Once your messages (...
- 227
31
votes
3
answers
11k
views
Can I use WhatsApp to securely send public key, symmetric key and private key?
I am asking this because WhatsApp says it is end-to-end encrypted.
Are there any problems with sending a public key through WhatsApp?
There might be some objections to sending symmetric and private ...
- 419
0
votes
4
answers
2k
views
How Whatsapp shows link previews despite E2E encryption?
Someone sends me a link. Whatsapp shows its preview. How can they do that despite being E2E encrypted?
- 101
3
votes
0
answers
288
views
What secure mobile messaging app is publicly known to be the most frustrating for state intelligence to read? [closed]
I imagine like either leaked or otherwise published official memos on efforts and signals intelligence programs to intercept and crack different types of communications either lamenting or chronicling ...
- 39
1
vote
1
answer
6k
views
Is WhatsApp end-to-end encryption applied to images?
I know that for text, WhatsApp messages are encrypted in a way no "man in the middle" could read them. But what about images?
Imagine you received some private image on your smartphone. Then you open ...
- 113
2
votes
3
answers
7k
views
Whatsapp web security
If I use WhatsApp Web on a computer at work that is connected through a proxy, is there a possibility that they will intercept my messages?
I know that, thanks to the proxy, they can see the pages ...
- 21
7
votes
4
answers
5k
views
Why does WhatsApp not encrypt Google Drive backups?
WhatsApp has end-to-end encryption, promising privacy to users.
However, it becomes useless if backups to Google Drive are unencrypted. Our supposedly private data goes to the control of Google.
No ...
- 215
28
votes
4
answers
11k
views
How can WhatsApp do both targeted advertisement and end-to-end encryption?
Recently there have been a lot of news articles which say that Facebook will very soon add advertising to WhatsApp, yet will keep the end-to-end encryption (source):
[M]essages will remain end-to-...
- 525
1
vote
2
answers
801
views
Can Facebook break the WhatsApp E2E encryption without the customers noticing?
I read a lot of reports from corporate media complaining that you can't censor "fake news" sent via WhatsApp. Mainstream media claims that because of "fake news" the wrong person got elected in Brazil....
- 1,491