Building Trusted Hash Tree Based on TPM
This paper proposes a scheme for building trusted hash tree based on TPM.Hash tree has the property of measuring lots of data by protecting small amount of data.TPM can be used to protect small amount of data of a hash tree.If the processes which access the TPM and the TPM are protected from attack,a trusted hash tree can be implemented with the support of TPM measurement mechanisms.The hash tree based on TPM is called T_Hash tree.In the scenarios where measurement is concentrated on specific data,TF_Hash tree and TFC_Hash tree can be designed for efficiency.Analysis shows that these hash trees are temper-evident.The experiment shows that TF_Hash tree is more efficient than T_Hash tree in specific scenarios,and TFC_Hash tree improves efficiency further.