TPM Genie: Interposer Attacks Against the Trusted Platform Module Serial Bus

By NCC Group


This report provides an analysis of TPM Genie. TPM Genie is a serial bus interposer which has been designed to aid in the security research of Trusted Platform Module hardware. The tool demonstrates that a man-in- the-middle on the TPM serial bus can undermine many of the stated purposes of the TPM such as measured boot, remote attestation, sealed storage, and the hardware random number generator.

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