You can also look at telegram https://telegram.org
The code is GPL There is also a $200,000 bounty for anybody cracking it. Best regards, Prakash N. Shetty On Jan 21, 2014 2:09 PM, "Praveen A" <[email protected]> wrote: > For those who were not present at the meetup, kontalk is a Free > Software replacement for whatsapp - you can chat with anyone if you > know their phone number using a data connection (cheaper sms for many > people). See http://kontalk.org > > Currently it is available only on android. Their next version would > support XMPP and it would make it easy to get it working on other > platforms. > > Karan asked me how they would know if my contact has a kontalk account > if they don't store everyone's number? I asked the upstream and he > confirmed my guess. > > When you register your number, the server sends you an sms to confirm > your number and the number is discarded. A one way hash of the number > is used as username (like storing passwords, the server can never > guess the number based on the hash). So when you want to talk to > someone in your phone contact list, the client will make a hash and > send it to the server to find the public. The public key of the user > will be signed by the server and all communications will be end to end > encrypted. Only way to spy would installing apps on the users' phones. > > This is simply brilliant, the encryption solution we have been waiting > for, as easy as whatsapp! > > Cheers > Praveen > > 2014/1/18, Rigved Rakshit <[email protected]>: > > Hello, > > > > There might be connectivity issue at the venue. It is advisable to > > have a backup Internet connection handy. > > > > Best Regards, > > Rigved > > -- > > http://mm.ilug-bom.org.in/mailman/listinfo/linuxers > > > > > -- > പ്രവീണ് അരിമ്പ്രത്തൊടിയില് > You have to keep reminding your government that you don't get your rights > from them; you give them permission to rule, only so long as they follow > the > rules: laws and constitution. > -- > http://mm.ilug-bom.org.in/mailman/listinfo/linuxers -- http://mm.ilug-bom.org.in/mailman/listinfo/linuxers
