User:Mmlange/Sandbox/Platform Configuration Register

The Platform Configuration Register stores cryptographic hashes.

Registers 0-7 are reserved for TPM use. Registers 8-15 are available for OS and application use.

According to the TPM specification, the PCRs must hold 160-bit values.

TPM integrity metrics include :
 * PCR[0] CRTM, BIOS and Platform Extensions
 * PCR[1] Platform Configuration.
 * PCR[2] Option ROM Code
 * PCR[3] Option ROM Configuration and Data
 * PCR[4] IPL Code (usually the MBR)
 * PCR[5] IPL Code Configuration and Data (for use by the IPL code)
 * PCR[6] State Transition and Wake Events
 * PCR[7] Computer Manufacturer-Specific