Chapter 15

Ancillary Hardware

One of the key requirements of a TPM specification is that it be possible to make an inexpensive TPM. As a result, there are security problems that the TPM cannot address by itself. This chapter describes how you can add other hardware devices to a TPM in order to create solutions for problems not addressed by the TPM alone. In particular, this chapter looks at the following security problems:

  • How to authenticate to a TPM in a secure way
  • How to hook biometric readers to a TPM securely
  • How to create a linkage between a TPM and a display

Trusted Path

Problems have been pointed out by the Eurocard, Mastercard, and VISA specification for secure terminal usage of credit cards and smart cards, which will apply equally ...

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