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tpmtoken_protect(1)	    General Commands Manual	   tpmtoken_protect(1)

		      TPM Management - tpmtoken_protect

NAME
       tpmtoken_protect	- encrypt or decrypt data using	a symmetric key	stored
       in the user's TPM PKCS#11 data store

SYNOPSIS
       tpmtoken_protect	[ OPTION ]

DESCRIPTION
       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

SEE ALSO
       tpmtoken_init(1),       tpmtoken_import(1),	tpmtoken_setpasswd(1),
       tpmtoken_objects(1)

REPORTING BUGS
       Report bugs to <trousers-users@lists.sourceforge.net>

TPM Management			  2005-04-25		   tpmtoken_protect(1)

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