LCP_CRTPOLELT - Online Linux Manual PageSection : 8
Updated : 2011-12-31
Source : tboot
Note : User Manuals

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NAMElcp_crtpolelt − create an Intel(R) TXT policy element of specified type.

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SYNOPSISlcp_crtpolelt COMMAND [OPTION]

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DESCRIPTIONlcp_crtpolelt is used to create an Intel(R) TXT policy element of specified type.

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OPTIONS−−create  create an policy element −−type type  type of element; must be first option; see below for type strings and their options −−out file  output file name [−−ctrl pol-elt-ctr1]  PolEltControl field (hex or decimal) −−show file  show policy element −−verbose  enable verbose output; can be specified with any command −−help  print out the help message

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Available type options:mle [−−minver ver]  minimum version of SINIT mle [file1][file2]...  one or more files containing MLE hash(es); each file can contain multiple hashes pconf [file1][file2]...  one or more files containing PCR numbers and the desired digest of each; each file will be a PCONF custom [−−uuid UUID]  UUID in format: {0xaabbccdd, 0xeeff, 0xgghh, 0xiijj, {0xkk 0xll, 0xmm, 0xnn, 0xoo, 0xpp}} or "--uuid tboot" to use default custom [file]  file containing element data

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EXAMPLES

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"Create an MLE element:1 lcp_mlehash −c "logging=serial,vga,memory" /boot/tboot.gz > mle-hash 2 lcp_crtpolelt −−create −−type mle −−ctrl 0x00 −−minver 17 −−out mle.elt mle-hash

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"Create a PCONF element:1 cat /sys/devices/platform/tpm_tis/pcrs | grep −e PCR-00 −e PCR-01 > pcrs 2 lcp_crtpolelt −−create −−type pconf −−out pconf.elt pcrs

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"Create an SBIOS element:1 Create hash file containing BIOS hash(es), e.g. named sbios-hash 2 lcp_crtpolelt −−create −−type sbios −−out sbios.elt sbios-hash

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"Create a CUSTOM element:1 Create or determine the UUID that will identify this data format (e.g. using uuidgen(1)). 2 Create the data file that will be placed in this element (e.g. the policy file from tb_polgen(8)). 3 lcp_crtpolelt −−create −−type custom −−out custom.elt −−uuid uuid-value data-file

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SEE ALSOlcp_crtpol2(8), lcp_mlehash(8), lcp_crtpollist(8), uuidgen(1), tb_polgen(8). 0

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Johanes Gumabo

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