Hi.

I have some problem using TPM_keyring and eCryptfs.

I am using Linux kernel 2.6.17.14, eCryptfs-20060927, trousers-0.2.8, and 
tpm_keyring2-0.1.

I mounted ecryptfs with '-o key=tpm:uuid=' option.
I successed mount, but I can't open/write file at mounted location.

Specifically, my sequence was following.

$ mount -t ecryptfs efs1/ efs2/ -o key=tpm:uuid=(the 20bytes from 
tpm_keyring)
$ cd efs2/
$ vim test_file

When I try to open test_file, it is just read-only mode.
But, if I mount ecryptfs with passphrase not tpm option,
I can read/write/open file at mounted location, efs2/.

Is it alright? 
I want to read/write/open file at mounted location.

Thanks for your help.

_ Yunju Na.

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