Latest zero knowledge publications


HTTP/2 opens every new connection it makes with the word ‘PRISM’

British programmer and writer John Graham-Cumming has spotted something interesting in the opening protocol of any HTTP/2 connection: an array of explicitly formatted code which spells the word PRISM, in an apparent reference to the NSA’s primary program for mass-surveillance of the internet, as disclosed by Edward Snowden in 2013. But we should probably leave… Read More


Manhattan DA steps up pressure on Google and Apple to open up encryption to government

Cyrus Vance Jr., the New York County District Attorney for Manhattan, has added his voice to a growing litany of political complaint about the zero-knowledge encryption which Google and Apple provide via their mobile operating systems. Addressing [PDF] the 6th Annual Financial Crimes and Cybersecurity Symposium yesterday, the DA discusses what he describes as ‘the… Read More


LINE, Japan’s biggest messaging app, joins ‘zero knowledge’ encryption trend on all platforms

The application powering Japan’s largest social network has adopted the same device-based encryption which has wrought so much attention from government and investigative authorities since the release of Apple’s iOS 8 operating system brought ‘zero knowledge’ security into the public spotlight in late summer of 2014. A new feature called ‘Letter sealing’ was announced today,… Read More


UK government offers £300,000 digital forensics challenge

The UK’s Home Office is offering a £300,000 crop of contracts to companies, individual researchers or other organisations that are able to offer it better tools to examine digital devices seized during police investigations. The announcement yesterday called for proposals for new technologies to provide ‘new and innovative ways of quickly recovering and thoroughly analysing… Read More


Encryption: FBI and U.S. Justice Department appeal to congress

FBI director James Comey joins Deputy Attorney General Sally Yates in an appeal to congress today regarding their concerns – which mirror those of many other security and enforcement agencies – about the recent technological trend towards secure encryption. The attorney general will say “The current public debate about how to strike the careful balance… Read More



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