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最近剛好有碰到要在RHEL與SLES下驗證TPM(Trusted Platform Module)的Function,其實驗證上蠻簡易的,只需要啟動相關的服務之後,下幾個Command即可,因此話不多說,直接來看看,如下:
1) 確定TPM的Module已經在系統上,且確定下列套件是否有被安裝(先至BIOS確定TPM與VT相關的Function有被Enable)
#rpm -qa | grep -i trousers
#rpm -qa | grep -i tpm-tools

2) 啟動Tcsd的Daemon(確認服務是否已經被打開)
#service tcsd start
#/etc/init.d/tcsd status

3) 透過下列Command確認TPM Module的Function
#tpm_version -> Chip Info
#tpm_selftest -l debug -> Selftest
#tpm_getpubek -> Check EK
#tpm_takeownership -> 同在BIOS下設定Password
Enter owner password:
Confirm password:
Enter SRK password:
Confirm password:

4) 可透過用下列Command來加密檔案
#tpm_sealdata -i -o -p 0

5) 可透過用下列Command來解密檔案
#tpm_unsealdata -i -o

  1. 請教兩個問題:
    1. 加密檔案時,需要設定密碼嗎?
    2. 可否對整顆HDD進行加密?

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