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Samsung on root of trust

Starting From Scratch: Trusted Root in Samsung Mobile Devices
Jan 26, 2018 by Joel Snyder

Android’s decoupling of the hardware and operating system brings benefits to IT: It allows application and hardware vendors to compete on innovation, features, form factor, price and security. Samsung Knox is an example of the latter: A combination of hardware features and software enhancements to Android that increase mobile security. Not every Android phone is designed for the enterprise market. Vendors such as Samsung have evaluated the higher security requirements of enterprise customers and have responded by releasing trusted platforms: Devices with built-in hardware that establishes the integrity and identity of the platform and ensures only trusted software is loaded. With a trusted platform, bootkit and rootkit attacks by malware and curious end users are generally blocked. Additionally, data encryption is more difficult to subvert because keys are not software accessible. Today’s technology comes from the Trusted Computing Group (TCG) which publishes the Trusted Platform Module (TPM). TCG started in 2003, defining what a trusted platform would look like, and how it might be implemented and standardized. A TPM is a computer-within-a-computer, completely shielded from the main CPU. Software, whether friendly or unfriendly, can’t reach into the memory or storage of the TPM directly. In larger devices, such as laptops and desktops, the TPM is usually a separate chip.[…]

https://insights.samsung.com/2018/01/26/starting-from-scratch-trusted-root-in-samsung-mobile-devices/

 

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