From version 2.7.0 onward, TextSecure only supported sending and receiving encrypted messages via the data channel. Later that month, Open Whisper Systems ended support for sending and receiving encrypted SMS/MMS messages on Android. In March 2015, Open Whisper Systems released Signal 2.0 with support for TextSecure private messaging on iOS. Signal was the first iOS app to enable easy, strongly encrypted voice calls for free. The developers said that their next steps would be to provide TextSecure instant messaging capabilities for iOS, unify the RedPhone and TextSecure applications on Android, and launch a web client. This announcement coincided with the initial release of Signal as a RedPhone counterpart for iOS. Toward the end of July 2014, Open Whisper Systems announced plans to unify its RedPhone and TextSecure applications as Signal. In February 2014, Open Whisper Systems updated their protocol to version 2, adding group chat and push messaging capabilities. Open Whisper Systems started working to bring TextSecure to iOS in March 2013. Open Whisper Systems' website was launched in January 2013. Open Whisper Systems (2013–2015)Ī timeline of the development of TextSecure.Ī) Addition of encrypted group chat and instant messaging capabilities.ī) End of encrypted SMS/MMS messaging, which prompted the creation of a fork.Ĭ) RedPhone merged into TextSecure and it was renamed as Signal.ĭ) Signal as a RedPhone counterpart for iOS.Į) Addition of encrypted group chat and instant messaging capabilities. Marlinspike later left Twitter and founded Open Whisper Systems as a collaborative Open Source project for the continued development of TextSecure and RedPhone. RedPhone was also released under the same license in July 2012. Twitter released TextSecure as free and open-source software under the GPLv3 license in December 2011. Some criticized the removal, arguing that the software was "specifically targeted people under repressive regimes" and that it left people like the Egyptians in "a dangerous position" during the events of the 2011 Egyptian revolution. Shortly after the acquisition, Whisper Systems' RedPhone service was made unavailable. Marlinspike could help the then-startup improve its security". The acquisition was done "primarily so that Mr. The financial terms of the deal were not disclosed by either company. In November 2011, Whisper Systems announced that it had been acquired by Twitter. All of these were proprietary enterprise mobile security software. In addition to launching TextSecure, Whisper Systems produced a firewall, tools for encrypting other forms of data, and RedPhone, an application that provided encrypted voice calls. Its beta version was first launched in May 2010 by Whisper Systems, a startup company co-founded by security researcher Moxie Marlinspike and roboticist Stuart Anderson. TextSecure started as an application for sending and receiving encrypted SMS messages. TextSecure's icon from May 2010 to February 2014 and from February 2014 to February 2015. TextSecure was the first application to use the Double Ratchet Algorithm, which has since been implemented into WhatsApp and other applications. In November 2015, TextSecure was merged with an encrypted voice calling application called RedPhone and was renamed as Signal. It was developed by Open Whisper Systems and used end-to-end encryption to secure the transmission of instant messages, group messages, attachments and media messages to other TextSecure users. TextSecure was a free and open-source encrypted messaging application for Android that was first released in May 2010. (September 29, 2015 7 years ago ( )) ĭiscontinued (merged with RedPhone to become Signal)
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