tpm2_policyrestart(1) General Commands Manual tpm2_policyrestart(1) (NAME) tpm2_policyrestart - TPM2 (SYNOPSIS) tpm2_policyrestart [] (DESCRIPTION) tpm2_policyrestart(1) - TPM ( ) . TPM PCR TPM_RC_PCR_CHANGED (0x00000128) . PCR . PCR . (OPTIONS) o -S, --session=FILE: -S tpm2_startauthsession(1). PCR . o --cphash=FILE () . cpHash . : cpHash . (REFERENCES) (COMMON OPTIONS) . o -h, --help=[man|no-man]: (manpage) . (manpager) . "man" "man" man stderr . "no-man" manpager (stdout) . MANPATH man(1) . o -v, --version: TCTI . o -V, --verbose: . . o -Q, --quiet: (stdout). o -Z, --enable-errata: (errata fixups). TPM . TPM2TOOLS_ENABLE_ERRATA . o -z, --pwd-session: HMAC . (clear text) TPM . (unsalted) OpenSSL FIPS . auth (salted) . o -R, --autoflush: (autoflush) . . TPM2TOOLS_AUTOFLUSH yes true . TCTI (TCTI CONFIGURATION) TCTI " (Transmission Interface)" TPM . TCTI TPM . TCTI : 1. -T --tcti 2. : TPM2TOOLS_TCTI. : . TCTI : o tabrmd - tabrmd . tabrmd abrmd tcti . o mssim - TPM . o device - TPM . o none - TPM . TPM (off-tpm) TCTI . TCTI . "none" . : : . TCTI (TCTI DEFAULTS) TCTI TCTI dlopen(3) . TCTI tabrmd device mssim . -v TCTI . - "default-tcti" TCTI . TCTI (CUSTOM TCTIS) TCTI TCTI . dlopen(3) tcti-name . dlopen(3) . TCTI (TCTI OPTIONS) TCTI : o device: TCTI TPM TCTI . /dev/tpm0 . : -T device:/dev/tpm0 export TPM2TOOLS_TCTI="device:/dev/tpm0" o mssim: TCTI mssim IP (port) . 127.0.0.1 2321 . : -T mssim:host=localhost,port=2321 export TPM2TOOLS_TCTI="mssim:host=localhost,port=2321" o abrmd: TCTI abrmd - `,' . `=' . o TCTI abrmd : 1. `bus_name' : tabrmd ( ). 2. `bus_type' : dbus ( ) `session' `system'. tcti tabrmd bus_name=com.example.FooBar: \--tcti=tabrmd:bus_name=com.example.FooBar tcti (abrmd) bus_type=session: \--tcti:bus_type=session : abrmd tabrmd . (EXAMPLES) (policy) (unseal) # tpm2_startauthsession -S session.dat tpm2_policypcr -S session.dat -l "sha1:0,1,2,3" -L policy.dat tpm2_createprimary -c primary.ctx tpm2_create -Cprimary.ctx -u key.pub -r key.priv -L policy.dat -i- <<< "secret" tpm2_load -C primary.ctx -c key.ctx -u key.pub -r key.priv tpm2_flushcontext session.dat # tpm2_startauthsession --policy -S session.dat tpm2_policypcr -S session.dat -l "sha1:0,1,2,3" # PCR unseal tpm2_pcrevent 0 <<< "event data" tpm2_unseal -psession:session.dat -c key.ct ERROR: Esys_Unseal(0x128) - tpm:error(2.0): PCR have changed since checked # # policyor . tpm2_policyrestart -S session.dat (RETURNS) : o 0 - . o 1 - . o 2 - . o 3 - . o 4 - TCTI. o 5 - . tpm2_testparams. (LIMITATIONS) tpm2_startauthsession(1) : o o tpm2-abrmd. . (BUGS) (Github Issues) (HELP) (Mailing List) (LICENSE) (CC BY 4.0) . tpm2-tools tpm2_policyrestart(1)