---
name: "lcp_readpol"
section: "8"
platform: "linux"
package: "tboot"
version: "1.9.12+hg20200718-1+b1"
release: "Debian 11 (Bullseye)"
platforms: ["linux"]
url: "https://new.carta.tech/lcp_readpol"
---

# lcp\_readpol(8)

read the contents of an LCP policy index

## NAME

lcp\_readpol - read the contents of an LCP policy index

## SYNOPSIS

**lcp\_readpol** **-i** *index-value* \[**-f** *policy-file*\] \[-s *size*\] \[-p *passwd*\] \[**-h**\]

## DESCRIPTION

**lcp\_readpol** is used to read the contents of an LCP policy index.  Any index can be specified but the output will be parsed as if it contained a policy.

## OPTIONS

- **-i** *index-value*

  Designate the index for reading. Index can be UINT32 or string. 3 strings are supported for the reserved LCP indices. Strings and default index  values for each string are:

  - default

    0x50000001(INDEX\_LCP\_DEF)

  - owner

    0x40000001(INDEX\_LCP\_OWN)

  - aux

    0x50000002(INDEX\_LCP\_AUX)

- **-f** *policy-file*

  File name to write the policy data to. If no file name is specified then the contents will be displayed.

- **-s** *size*

  Value size to read from NV store. If no size inputted, read by length as this index defined.

- **-p** *password*

  The TPM owner password

- **-h**

  Print out the help message

## EXAMPLES

**lcp\_readpol -i** *default*  **-f** *policy-file*

**lcp\_readpol -i** *0x00011101*  **-s** *10*

**lcp\_readpol -i** *0x00011101*  **-f** *policy-file*  **-p** *123456*

## SEE ALSO

[**lcp\_writepol**(8)](/lcp_writepol/8.md), **lcp\_crtpol**(8).