Trusted Platform Module (TPM)

Updated 31 Jul 2026

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def
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  a specification for cryptographic functions — a small, purpose-built cryptographic processor chip (soldered onto, or a peripheral on, the motherboard)
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features
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  a random number generator and key generator
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  persistent memory — unique keys burned in during manufacturing
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  versatile memory — storage keys and hardware configuration information (e.g., securely storing BitLocker keys)
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  password protected, to resist dictionary attacks
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purpose
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  lets a system prove its identity to a remote system by presenting information from its TPM
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related
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cards
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  Distinguish TPM from HSM
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    TPM is a small chip on a single device's motherboard for that device's own crypto needs; HSM is large, dedicated hardware serving an entire environment's cryptographic load, often built around a GPU

Linked references 4