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The Librem 5 is the first phone to contain a smartcard reader, in which an OpenPGP card can be inserted for secure cryptographic operations. [14] Purism plans to use OpenPGP cards to implement storage of GPG keys, disk unlocking, secure authentication, a local password vault, protection of sensitive files, user persons, and travel persons. [36]
In 1989 an Irish company called Intrepid developed one of the most advanced secure phones. Called "Milcode", [2] the phone was the first to implement code-excited linear prediction (or CELP) which dramatically improved voice quality and user-operability over previous LPC (Linear Predictive Coding) and LPC-10e versions.
This presents security concerns; baseband attacks can read and alter data on the phone remotely. The Librem 5 mobile segregates the modem from the system and memory, making it a separate module, a configuration rare in modern cellphones. [3] [4] There is an open-source baseband project, OsmocomBB.
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STU-III secure telephones on display at the National Cryptologic Museum in 2005.. Most STU-III units were built for use with what NSA calls Type 1 encryption.This allows them to protect conversations at all security classification levels up to Top Secret, with the maximum level permitted on a call being the lower clearance level of the two persons talking.
More secure, better-featured free replacement exists. [4] proprietary Wi-Fi/Bluetooth firmware, [5] in /lib/firmware. [6] Efforts to replace it are in beta, but may never be legal to ship, [citation needed] same as original PinePhone. [1] open-source boot software, [2] same as original PinePhone. [1]? User-replaceable [7] Samsung J7 form-factor ...
Mobile security, or mobile device security, is the protection of smartphones, tablets, and laptops from threats associated with wireless computing. [1] It has become increasingly important in mobile computing .
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