Trusted Platform Module
international standard for a secure cryptoprocessor, a dedicated microcontroller designed to secure hardware through integrated cryptographic keys
A Trusted Platform Module (TPM) is a secure cryptoprocessor that implements the ISO/IEC 11889 standard. Common uses are verifying that the boot process starts from a trusted combination of hardware and software and storing disk encryption keys.
A TPM 2.0 implementation is part of the Windows 11 system requirements.
History
The first TPM version that was deployed was 1.1b in 2003.
Trusted Platform Module (TPM) was conceived by a computer industry consortium called Trusted Computing Group (TCG). It evolved into TPM Main Specification Version 1.2 which was standardized by International Organization for Standardization (ISO) and International Electrotechnical Commission (IEC) in 2009 as ISO/IEC 11889:2009. TPM Main Specification Version 1.2 was finalized on 3 March 2011 completing its revision.
On April 9, 2014, the Trusted Computing Group announced a major upgrade to their specification entitled TPM Library Specification 2.0. The group continues work on the standard incorporating errata, algorithmic additions and new commands. This version, first published in 2014, became ISO/IEC 11889:2015 and has been periodically reconfirmed by ISO since, most recently in 2021, while the underlying Trusted Computing Group specification has continued to be revised, reaching version 1.62 in 2020 and version 184 by March 2025.
Begin with the source’s own compact description: “Trusted Platform Module” is international standard for a secure cryptoprocessor, a dedicated microcontroller designed to secure hardware through integrated cryptographic keys. The dossier treats that line as a proposition to test through Trusted, Platform and Module, not as a finished interpretation.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Sep 21, 2026. The linked authority identifier is Q1140366. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2003, 2009, 2011 and 2014.
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This entry incorporates text from “Trusted Platform Module” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.