Trusted Platform Module (TPM)

The Trusted Platform Module (TPM) Work Group has been chartered to create the TPM specification. The definition of the TPM architecture comes from the Technical Committee and the TPM Work Group defines the implementation of that architecture. A working knowledge of security in relation to the design and usage of cryptographic modules as well as cryptographic techniques including public-key cryptography, cryptographic algorithms and protocols is recommended.

A new research report on “Trusted Computing” published by Aberdeen Group, a Harte-Hanks Company (NYSE:HHS), reveals that organizations that have deployed applications based on trusted computing infrastructure exhibit superior capabilities in security governance, risk management and compliance compared to other respondents. The term “trusted computing” refers to applications that leverage hardware-based “roots of trust” at the edge of the network and at the endpoints – sometimes referred to as “hardware anchors in a sea of untrusted software” – for higher assurance.

TPMs are a basic building block used in most other specifications, for providing an anchor of trust. They can be used for validating basic boot properties before allowing network access (TNC), or for storing platform measurements (PC Client), or for providing self-measurement to provide anchors of trust to hypervisors (Virtualization).

David Challener

Johns Hopkins University Applied Physics Laboratory; Work Group Co-Chair

Kenneth Goldman

Senior Engineer, IBM; Work Group Co-Chair


Resource Name
TPM Library Specification
Errata for TPM Library Specification 2.0
TCG Algorithm Registry
TCG Physical Presence Interface Specification
Vendor ID Registry
PC Client Protection Profile for TPM 2.0
TCG Architecture Overview, Version 1.4
A Practical Guide to TPM 2.0
Trusted Platform Module (TPM) 2.0: A Brief Overview
Trusted Platform Module (TPM) Summary
Replacing Vulnerable Software with Secure Hardware
Protect Your Data and Enhance Security
Implementing Hardware Roots of Trust
TPM Main Specification
TPM 1.2 Protection Profile
CESG IA Top Tips - Trusted Platform Modules
BSSSD: Trusted Computing Now Available for FreeBSD and OpenBSD
How to Use the TPM: A Guide to Hardware-Based Endpoint Security


Membership in the Trusted Computing Group is your key to participating with fellow industry stakeholders in the quest to develop and promote trusted computing technologies.

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Trusted Computing

Standards-based Trusted Computing technologies developed by TCG members now are deployed in enterprise systems, storage systems, networks, embedded systems, and mobile devices and can help secure cloud computing and virtualized systems.

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Trusted Computing Group announced that its TPM 2.0 (Trusted Platform Module) Library Specification was approved as a formal international standard under ISO/IEC (the International Organization for Standardization and the International Electrotechnical Commission). TCG has 90+ specifications and guidance documents to help build a trusted computing environment.

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