tpm2_nvwrite - write content from a file to a specified index, if any passwd option is missing, assume NULL.
tpm2_nvwrite[ COMMON OPTIONS ] [ TCTI OPTIONS ] [ −−index|−−authHandle|−−handlePasswd|−−file|−−passwdInHex| ]
write content from a file to a specified index, if any passwd option is missing, assume NULL.
tpm2_nvwrite write content from a file to a specified index, if any passwd option is missing, assume NULL.
−x ,−−index
specifies the index of the NV area.
−a ,−−authHandle
specifies the handle used to authorize: 0x40000001 (TPM_RH_OWNER) 0x4000000C (TPM_RH_PLATFORM) {NV_INDEX_FIRST:NV_INDEX_LAST}
−P ,−−handlePasswd
specifies the password of authHandle.
−f ,−−file
specifies the nv data file.
−X ,−−passwdInHex
passwords given by any options are hex format
[COMMON OPTIONS ]
This collection of options are common to many programs and provide information that many users may expect.
−h, −−help
Display a manual describing the tool and its usage.
−v, −−version
Display version information for this tool.
−V, −−verbose
Increase the information that the tool prints to the console during its execution.
[TCTI OPTIONS ]
This collection of options are used to configure the varous TCTI modules available.
−T, −−tcti
Select the TCTI used for communication with the next component down the TSS stack. In most configurations this will be the TPM but it could be a simulator or proxy. Supported TCTIs are or “device” or “socket” .
−d, −−device-file
Specify the TPM device file for use by the device TCTI. The default is /dev/tpm0.
−R, −−socket-address
Specify the domain name or IP address used by the socket TCTI. The default is 127.0.0.1.
−p, −−socket-port
Specify the port number used by the socket TCTI. The default is 2321.
ENVIRONMENT: TCTI
This collection of environment variables that may be used to configure the varous TCTI modules available. The values passed through these variables can be overridden on a per-command basis using the available command line options.
TPM2TOOLS_TCTI_NAME
Select the TCTI used for communication with the next component down the TSS stack. In most configurations this will be the TPM but it could be a simulator or proxy. See ’OPTIONS’ section for the names of supported TCTIs.
TPM2TOOLS_DEVICE_FILE
Specify the TPM device file for use by the device TCTI.
TPM2TOOLS_SOCKET_ADDRESS
Specify the domain name or IP address used by the socket TCTI.
TPM2TOOLS_SOCKET_PORT
Specify the port number used by the socket TCTI.
tpm2_nvwrite
tpm2_nvwrite -x 0x1500016 -a 0x40000001 -P passwd -f nv.data
tpm2_nvwrite -x 0x1500016 -a 0x40000001 -P 1a1b1c -X -f nv.data