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Possible spell-corrected query: rpm
2024/180 (PDF) Last updated: 2024-02-06
Exploiting RPMB authentication in a closed source TEE implementation
Aya Fukami, Richard Buurke, Zeno Geradts
Secret-key cryptography

Embedded Multimedia Cards (eMMCs) provide a protected memory area called the Replay Protected Memory Block (RPMB). eMMCs are commonly used as storage media in modern smartphones. In order to protect these devices from unauthorized access, important data is stored in the RPMB area in an authenticated manner. Modification of the RPMB data requires a pre-shared authentication key. An unauthorized user cannot change the stored data. On modern devices, this pre-shared key is generated and used...

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