The US emissary profession ubiquitous says a use of “warrant-proof encryption” in renouned apps and handling systems, is hampering law enforcement.
Several apps encrypt communications end-to-end, that stop messages being clear if intercepted by criminals or law enforcement.
In a speech, Rod Rosenstein pronounced law enforcers were increasingly thwarted by such encryption.
He met Home Secretary Amber Rudd on Thursday to plead a issue.
He will also accommodate a conduct of a UK’s GCHQ comprehension agency.
“Increasingly, a collection we use to collect justification run adult opposite encryption collection that are designed to better them,” pronounced Mr Rosenstein, vocalization during a Global Cyber Security Summit in London.
He pronounced a United States was “co-ordinating with a unfamiliar partners as to what a hurdles are”.
With end-to-end encryption, messages are scrambled when they leave a sender’s device and are decrypted usually on a receiver’s device.
It means use providers such as WhatsApp can't palm over a clear duplicate of a suspect’s messages to law enforcement, since they do not have one.
Mr Rosenstein pronounced record companies mostly “resisted co-operating with governments”.
Ms Rudd has also described encryption collection used by messaging apps as a “problem”.
In August, she met member from Google, Facebook, Twitter, Microsoft and others during a counter-terrorism forum in San Francisco.
She called on companies to work “more closely” with a supervision though pronounced she did not wish to “weaken encryption”.