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tss2_gettpm2object.1.md

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% tss2_gettpm2object(1) tpm2-tools | General Commands Manual % % APRIL 2019

NAME

tss2_gettpm2object(1)

SYNOPSIS

tss2_gettpm2object [OPTIONS]

common fapi references

DESCRIPTION

tss2_gettpm2object(1) - With this command for FAPI objects context files which can be used by tpm2 tool commands can be created. For persistent object only the textual representation of the handle number as hex number will be written and for keys a tpm2 tool context file will be written. If the default TCTI differs from the FAPI profile the default the tcti can be defined with the -T (--tcti) option. Note To avoid wrong nv_written state in keystore before writing data to the NV ram with tpm2_nvwrite, at least an empty string should be written with tss2_nvwrite.

OPTIONS

These are the available options:

  • -f, --force:

    Force overwriting the output file.

  • -p, --path=STRING:

    Path of the object for which the application data will be loaded.

  • -c, --context=FILENAME or - (for stdout):

    The returned key context or handle.

common tss2 options

EXAMPLES

tss2_gettpm2object --path=/HS/SRK/myRSACrypt --key-context=mykey.ctx
tss2_gettpm2object --path=/nv/Owner/mynv -c-

The command can be used in options of tpm2 commands:

handle=$(tss2_gettpm2object --path=/nv/Owner/mynv -c-)
tpm2_nvread $handle

RETURNS

0 on success or 1 on failure.

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