France, Germany Want EU to Require Message Decryption

France and Germany  urged the European Union’s executive body to propose new rules that would compel operators of internet messaging services to help authorities decrypt private communications as part of terror investigations. French and German intelligence services are struggling to intercept messages of Islamic State militants and other terrorists, who increasingly use chat apps like Facebook’s WhatsApp, Apple Inc.’s iMessage or privacy-centric app Telegram to plan their attacks.