标准编号：ISO/IEC 11889-4:2015
中文名称：信息技术 可信平台模块库 第4部分：支持例程
英文名称：Information technology — Trusted Platform Module Library — Part 4: Supporting Routines
发布日期：2015-08
标准范围
This part of ISO/IEC 11889 contains C code that describes the algorithms and methods used by thecommand code in ISO/IEC 11889-3. The code in this part of ISO/IEC 11889 augments ISO/IEC 11889-2and ISO/IEC 11889-3 to provide a complete description of a TPM, including the supporting framework forthe code that performs the command actions.Any code in this part of ISO/IEC 11889 may be replaced by code that provides similar results wheninterfacing to the action code in ISO/IEC 11889-3. The behavior of code in this part of ISO/IEC 11889 thatis not included in an annex is normative, as observed at the interfaces with ISO/IEC 11889-3 code. Codein an annex is provided for completeness, that is, to allow a full implementation of ISO/IEC 11889 fromthe provided code.The code in ISO/IEC 11889-3 and this part of ISO/IEC 11889 is written to define the behavior of acompliant TPM. In some cases (e.g., firmware update), it is not possible to provide a compliantimplementation. In those cases, any implementation provided by the vendor that meets the generaldescription of the function provided in ISO/IEC 11889-3 would be compliant.The code in ISO/IEC 11889-3 and this part of ISO/IEC 11889 is not written to meet any particular level ofconformance nor does ISO/IEC 11889 require that a TPM meet any particular level of conformance.
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