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Protection and enforcement of software licenses.

Disk encryption ДЇull disk encryption utilities, such as dm-crypt and BitLocker, can use this technology to protect the keys used to encrypt the computer's storage devices and provide integrity authentication for a trusted boot pathway that includes firmware and boot sector. It could remotely attest that a computer is using the specified hardware and software. ДЄn example of TPM use for platform integrity is the Trusted Execution Technology (TXT), which creates a chain of trust.

(See below.)ДЄnother example of platform integrity via TPM is in the use of Microsoft Office 365 licensing and Outlook Exchange. Good examples can be found in Linux Unified Key Setup (LUKS), BitLocker and PrivateCore vCage memory encryption.

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These metrics can be used to detect changes to previous configurations and decide how to proceed. When TPM is used, the firmware and the operating system are responsible for ensuring integrity.ДЇor example, Unified Extensible Firmware Interface (UEFI) can use TPM to form a root of trust: The TPM contains several Platform Configuration Registers (PCRs) that allow secure storage and reporting of security-relevant metrics.

This is to ensure that the boot process starts from a trusted combination of hardware and software, and continues until the operating system has fully booted and applications are running. In this context, 'integrity' means 'behave as intended', and a 'platform' is any computer device regardless of its operating system. The primary scope of TPM is to ensure the integrity of a platform. The United States Department of Defense (DoD) specifies that 'new computer assets (e.g., server, desktop, laptop, thin client, tablet, smartphone, personal digital assistant, mobile phone) procured to support DoD will include a TPM version 1.2 or higher where required by Defense Information Systems Agency (DISA) Security Technical Implementation Guides (STIGs) and where such technology is available.' DoD anticipates that TPM is to be used for device identification, authentication, encryption, and device integrity verification. Security embedded in hardware provides more protection than a software-only solution. Д¬omputer programs can use a TPM to authenticate hardware devices, since each TPM chip has a unique and secret Endorsement Key (EK) burned in as it is produced.

Other Trusted Computing functions for the data to be decrypted (unsealed).

Sealing: Similar to binding, but in addition, specifies the TPM state for the data to be decrypted (unsealed).

Binding: Encrypts data using the TPM bind key, a unique RSA key descended from a storage key.

This allows a third party to verify that the software has not been changed. The software in charge of hashing the configuration data determines the extent of the summary.

Remote attestation: Creates a nearly unforgeable hash key summary of the hardware and software configuration.

Facilities for the secure generation of cryptographic keys for limited uses.

TCG then released TPM Library Specification 2.0, with its most recent edition published in 2019. TPM Main Specification Version 1.2 was finalized on Macompleting its revision. TCG continues to revise the TPM specifications keeping it up with current needs.

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Each part consists of a PDF that makes up the whole of the new TPM specification. When a new revision is released it is broken down into 3 parts by the Trusted Computing Group. Trusted Platform Module (TPM) was conceived by a computer industry consortium called Trusted Computing Group (TCG), and was standardized by International Organization for Standardization (ISO) and International Electrotechnical Commission (IEC) in 2009 as ISO/IEC 11889. 7.1 2017 weak key generation controversy.