在可信計(jì)算平臺(tái)的維護(hù)過(guò)程中，需要保證保護(hù)數(shù)據(jù)的完整性，安全性和可用性。針對(duì)該需求，首先分析了在可信計(jì)算平臺(tái)中的密鑰及其使用方法，描述了在維護(hù)過(guò)程中需要
轉(zhuǎn)移的數(shù)據(jù)，并提出了一種安全的維護(hù)方法。該方法在進(jìn)行維護(hù)操作的源平臺(tái)所有者、目的平臺(tái)所有者，TPM 生產(chǎn)廠商和第三方可信機(jī)構(gòu)四個(gè)角色參與下，利用TPM 的安全特性，保證了維護(hù)過(guò)程的安全。
關(guān)鍵詞：TPM 可信計(jì)算維護(hù)
Abstract：In the maintenance process on the trusted computing platform,the integrity,
security and usability of the protected data must be ensured. According to the requirement,
the key on the trusted platform and its usage is analyzed, the data need to be moved in the
maintenance process is discussed, and a secure maintenance method is presented. Under the
charge of four roles in the maintenance process: the owner of the source platform, the owner
of the destination platform, the TPM manufacturer, TTP, this method utilize the security
characteristic of TPM to guarantee the security of the maintenance process .
Key words：TPM；Trusted Computing；Maintenance