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tss2_createkey(1) General Commands Manual tss2_createkey(1) NAME tss2_createkey(1) - SYNOPSIS tss2_createkey [OPTIONS] SEE ALSO fapi-config(5) to adjust Fapi parameters like the used cryptographic profile and TCTI or directories for the Fapi metadata storages. fapi-profile(5) to determine the cryptographic algorithms and parame- ters for all keys and operations of a specific TPM interaction like the name hash algorithm, the asymmetric signature algorithm, scheme and pa- rameters and PCR bank selection. DESCRIPTION tss2_createkey(1) - This commands creates a key inside the TPM and stores it in the FAPI metadata store and if requested persistently in- side the TPM. Depending on the specified key type, cryptographic algo- rithms and parameters for the created key are determined by the corre- sponding cryptographic profile (cf., fapi-profile(5)). OPTIONS These are the available options: • -p, --path=STRING: The path to the new key. • -t, --type=STRING: Identifies the intended usage. Optional parameter. Types may be any comma-separated combination of: - "sign": Sets the sign attribute of a key. - "decrypt": Sets the decrypt attribute of a key. - Hint: If neither sign nor decrypt are provided, both attributes are set. - "restricted": Sets the restricted attribute of a key. - Hint: If restricted is set, sign or decrypt (but not both) need to be set. - "exportable": Clears the fixedTPM and fixedParent attributes of a key or sealed object. - "noda": Sets the noda attribute of a key or NV index. - "system": Stores the data blobs and metadata for a created key or seal in the system-wide directory instead of user's personal directory. - A hexadecimal number (e.g. "0x81000001"): Marks a key object to be made persistent and sets the persistent object handle to this value. • -P, --policyPath=STRING: The policy to be associated with the new key. Optional parameter. If omitted then no policy will be associated with the key. A policyPath is composed of two elements, separated by "/". A poli- cyPath starts with "/policy". The second path element identifies the policy or policy template using a meaningful name. • -a, --authValue=STRING: The new UTF-8 password. Optional parameter. If it is neglected then the user is queried interactively for a password. To set no pass- word, this option should be used with the empty string (""). The maximum password size is determined by the digest size of the chosen name hash algorithm in the cryptographic profile (cf., fapi-pro- file(5)). For example, choosing SHA256 as hash algorithm, allows passwords of a maximum size of 32 characters. COMMON OPTIONS This collection of options are common to all tss2 programs and provide information that many users may expect. • -h, --help [man|no-man]: Display the tools manpage. By default, it attempts to invoke the manpager for the tool, however, on failure will output a short tool summary. This is the same behavior if the "man" option argument is specified, however if explicit "man" is re- quested, the tool will provide errors from man on stderr. If the "no-man" option if specified, or the manpager fails, the short op- tions will be output to stdout. To successfully use the manpages feature requires the manpages to be installed or on MANPATH, See man(1) for more details. • -v, --version: Display version information for this tool, supported tctis and exit. EXAMPLE Create a key without password tss2_createkey --path=HS/SRK/myRsaCryptKey --type="noDa, decrypt" --authValue="" Create a key, ask for password on the command line tss2_createkey --path=HS/SRK/myRsaCryptKey --type="noDa, decrypt" Create a key with password "abc". tss2_createkey --path=HS/SRK/myRsaCryptKey --type="noDa, decrypt" --authValue=abc RETURNS 0 on success or 1 on failure. BUGS Github Issues (https://github.com/tpm2-software/tpm2-tools/issues) HELP See the Mailing List (https://lists.linuxfoundation.org/mailman/listin- fo/tpm2) tpm2-tools APRIL 2019 tss2_createkey(1)
NAME | SYNOPSIS | SEE ALSO | DESCRIPTION | OPTIONS | COMMON OPTIONS | EXAMPLE | RETURNS | BUGS | HELP
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