tpm2_policycountertimer(1) General Commands Manual tpm2_policycountertimer(1) (NAME) tpm2_policycountertimer - TPM (SYNOPSIS) tpm2_policycountertimer [] [] (DESCRIPTION) tpm2_policycountertimer(1) (time) (clock) (reset count) (restart count) TPM . time clock . : tpm2_policycountertimer -S session.ctx safe tpm2_policycountertimer -S session.ctx clock= tpm2_policycountertimer -S session.ctx time= tpm2_policycountertimer -S session.ctx resets= tpm2_policycountertimer -S session.ctx restarts= time . (OPTIONS) o -L, --policy=FILE: () . o -S, --session=FILE: -S tpm2_startauthsession . o -eq TPM = . o -neq TPM != . o -sgt TPM > . o -ugt TPM > . o -slt TPM < . o -ult TPM < . o -sge TPM >= . o -uge TPM >= . o -sle TPM <= . o -ule TPM <= . o -bs TPM . o -bc TPM () . o --cphash=FILE . cpHash . : cpHash . (References) (COMMON OPTIONS) . o -h, --help=[man|no-man]: (manpage) . (manpager) . "man" "man" man stderr . "no-man" 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 . 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 (device) (character device) TPM TCTI . /dev/tpm0 . : -T device:/dev/tpm0 export TPM2TOOLS_TCTI="device:/dev/tpm0" o mssim: TCTI mssim IP () . 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 . TCTI. (EXAMPLES) (sealing object) TPM . (Create the policy and the sealing object) tpm2_startauthsession -S session.ctx tpm2_policycountertimer -S session.ctx -L policy.countertimer --ult 60000 tpm2_flushcontext session.ctx tpm2_createprimary -C o -c prim.ctx -Q echo "SUPERSECRET" | \ tpm2_create -Q -u key.pub -r key.priv -i- -C prim.ctx \ -L policy.countertimer -a "fixedtpm|fixedparent" -c key.ctx (Unsealing) TPM tpm2_startauthsession -S session.ctx --policy-session tpm2_policycountertimer -S session.ctx --ult 60000 tpm2_unseal -c key.ctx -p session:session.ctx tpm2_flushcontext session.ctx (RETURNS) : o 0 - . o 1 - . o 2 - . o 3 - . o 4 - TCTI. o 5 - (Non supported scheme). tpm2_testparams. (LIMITATIONS) tpm2_startauthsession(1) : o o tpm2-abrmd. . (BUGS) (Github Issues) (HELP) (Mailing List) (LICENSE) Creative Commons Attribution 4.0 (CC BY 4.0) . tpm2-tools tpm2_policycountertimer(1)