Google's extra-secure Allo chat uses familiar encryption tech
 

Does the extra-private messaging in Google's Allo seem familiar? Your eyes don't deceive you -- you really have seen it before. Open Whisper Systems has confirmed that Allo uses its Signal protocol for end-to-end encryption when you're in Incognito...

http://www.engadget.com/2016/05/18/g...al-encryption/