4Trusted Software Stack
In order to use physical security chips (including TPM and TCM), users require a software module to interact with them. This module is called Trusted Software Stack (TSS).20 As the entry of using a security chip, TSS usually locates between the security chip and user applications. It facilitates user applications to invoke security chip interfaces, and provides functions such as security chip access, security authentication, cryptographic services and resource management. Different security chips need appropriate software stacks such as TCG Software Stack corresponding to TPM and TCM Service Module (TSM) corresponding to TCM.
TSS is the bridge of interaction between user applications and security chip. A security chip ...
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