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CentOS 7.0 - man page for tpmtoken_protect (centos section 1)

tpmtoken_protect(1)					      General Commands Manual					       tpmtoken_protect(1)

							TPM Management - tpmtoken_protect

tpmtoken_protect - encrypt or decrypt data using a symmetric key stored in the user's TPM PKCS#11 data store
tpmtoken_protect [ OPTION ]
tpmtoken_protect will encrypt or decrypt data using a symmetric key that is stored in the user's data store. The key used to protect the data is a 256-bit AES key stored as a private Secret Key PKCS#11 object. The object has the PKCS#11 label attribute of 'User Data Protection Key'. The key is generated by the TPM PKCS#11 implementation when it is needed the first time. Since it is generated as a private object, it is protected by the TPM on the platform. This command requires the '-i' and '-o' command options to be specified. -h, --help Display command usage info. -v, --version Display command version info. -l, --log [none|error|info|debug] Set logging level. -d, --decrypt Perform a decryption operation -e, --encrypt Perform an encryption operation -i, --infile FILE Use FILE as the input to the specified operation -k, --token STRING Use STRING to identify the label of the PKCS#11 token to be used -o, --outfile FILE Use FILE as the output of the specified operation
tpmtoken_init(1), tpmtoken_import(1), tpmtoken_setpasswd(1), tpmtoken_objects(1)
Report bugs to <> TPM Management 2005-04-25 tpmtoken_protect(1)