The TCG TPM 1.2 Main specification defines a subsystem with protected storage and protected capabilities. This subsystem is the Trusted Platform Module (TPM). Since the TPM is both a subsystem intended to provide trust and to be an inexpensive component, resources within it are restricted.
This narrowing of the resources, while making the security properties easier and cheaper to build and verify, causes the interfaces and capabilities to be cumbersome. The TCG architecture has solved this by separating the functions requiring the protected storage and capabilities from the functions that do not; putting those that do not into the platform’s main processor and memory space where processing power and storage exceed that of the TPM. The modules and components that provide this supporting functionality comprise the TSS.
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.
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.
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.