End-to-end encryption: state of technical and policy debates

Over the past decade, end-to-end encryption (E2EE) has been widely deployed in electronic messaging applications, including WhatsApp, Signal, Apple iMessage and others. This form of messaging ensures that information is encrypted from an end-user device (such as a phone) and remains encrypted until it reaches the destination. A key benefit of E2EE is that it protects messages from server-side hacking and mass surveillance. At the same time E2EE has created a vigorous pushback from the national security and law enforcement communities worldwide, as it significantly impedes investigative efforts.

In this talk, Prof. Matthew Green, Associate Professor at the Johns Hopkins Information Security Institute, discusses the state of the E2EE messaging debate; the technical developments in this field; and the policy questions that remain.

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