TCPA Main Specification Page v
Version 1.1b 22 February 2002
Table Of Contents
1. Forward ..............................................................................................................................................1
2. The Trusted Platform Subsystem.......................................................................................................2
2.1 Introduction.....................................................................................................................................2
2.2 Roots of Trust .................................................................................................................................2
2.2.1 Definitions................................................................................................................................3
2.2.2 Instantiations and Trust Bindings ............................................................................................3
2.3 Integrity Operations ........................................................................................................................5
2.3.1 Storage of Integrity Metrics .....................................................................................................5
2.3.2 Reporting of Integrity Metrics ..................................................................................................6
2.4 Use of Keys Associated with TPM Identities ..................................................................................7
2.5 Cryptographic Operations...............................................................................................................7
2.6 Opting to use a TPM.......................................................................................................................8
2.6.1 Enabling Ownership ................................................................................................................9
2.6.2 Activating a TPM .....................................................................................................................9
2.6.3 Selected operations...............................................................................................................11
2.7 Protected, Unprotected, and Connection Operations...................................................................13
3. Protection .........................................................................................................................................14
3.1 Introduction...................................................................................................................................14
3.2 Threat ...........................................................................................................................................14
3.3 Integrity.........................................................................................................................................15
3.4 Privileged Access .........................................................................................................................15
3.5 Side effects...................................................................................................................................15
4. Structures and Defines.....................................................................................................................16
4.1.1 Endness of Structures...........................................................................................................16
4.1.2 Byte Packing..........................................................................................................................16
4.1.3 Lengths..................................................................................................................................16
4.2 Defines..........................................................................................................................................17
4.2.1 Basic data types ....................................................................................................................17
4.2.2 Boolean types........................................................................................................................17
4.2.3 Helper redefinitions ...............................................................................................................17
4.2.4 Enumerated Helper redefinitions...........................................................................................18
4.2.5 Vendor specific......................................................................................................................19
4.3 Return codes ................................................................................................................................19
4.4 Command Specification Table Description ..................................................................................20
4.4.1 Introduction, Definition of Terms ...........................................................................................23
4.4.2 HMAC Calculation for Authorization......................................................................................23
4.4.3 Parameter List Tag Identifiers ...............................................................................................24
4.5 TCPA_VERSION..........................................................................................................................25
4.6 TCPA_DIGEST.............................................................................................................................26
4.7 TCPA_NONCE .............................................................................................................................27
4.8 TCPA_AUTHDATA.......................................................................................................................28
4.9 TCPA_KEY_HANDLE_LIST.........................................................................................................29
4.10 TCPA_KEY_USAGE values .....................................................................................................30
4.10.1 Mandatory Key Usage Schemes...........................................................................................31
4.11 TCPA_AUTH_DATA_USAGE values.......................................................................................32
4.12 TCPA_KEY_FLAGS..................................................................................................................33
4.13 Flags and persistent data structures.........................................................................................34
4.13.1 TCPA persistent data ............................................................................................................35
4.13.2 TCPA_PERSISTENT_FLAGS Structure...............................................................................37
4.13.3 TCPA_VOLATILE_FLAGS Structure....................................................................................37
4.14 TCPA_PAYLOAD_TYPE..........................................................................................................44
4.15 TCPA_ENTITY_TYPE ..............................................................................................................45
4.16 TCPA_STARTUP_TYPE ..........................................................................................................46
4.17 TCPA_PROTOCOL_ID.............................................................................................................47
