Instant messaging (IM) is a form of communication over the Internet, that offers quick transmission of text-based messages from sender to receiver

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How to establish a random OTR remote party as a specific individual?

In reading Glenn Greenwald's 2014 book No place to hide, one thing stood out to me as a bit odd. Greenwald details how Edward Snowden was insistent that Greenwald install PGP in order to communicate ...
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Has Stackfield been security audited and is the metadata safe?

It appears that Stackfield is one of the only functioning applications that combines end to end encryption, messaging services and file sharing. Peerio has just been launched (literally a day or two ...
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Instant Messaging End-to-End

I plan to create an application for secure instant messaging, now I don't know whether or not I want to implement the encryption by myself. This project is also mainly for educational purpose so I ...
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176 views

Does Diffie-Hellmann (DH) key exchange protocol lower Off-The-Record protocol (OTR) security level?

Off-the-Record protocol employes Diffie-Hellman key exchange protocol (DH). DH protocol does not provide authentication of the communicating parties and, according to many sources, is vulnerable to ...
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352 views

Can everyone find the pictures one sends over whatsapp?

I was trying out a whatsapp compatible chat application on my laptop. Someone sent me a picture and I received a link to that picture on the whatsapp server. Everyone who visits the link can see the ...