% tpm2_unseal(1) tpm2-tools | General Commands Manual
tpm2_unseal(1) - Returns a data blob in a loaded TPM object. The data blob is returned in clear.
tpm2_unseal(1) - Returns a data blob in a loaded TPM object. The data blob is returned in clear. The data is sealed at the time of the object creation using the tpm2_create tool. Such an object intended for sealing data has to be of the type TPM_ALG_KEYEDHASH.
Object context for the loaded object.
Optional auth value to use for the key specified by -c.
Output file name containing the unsealed data. Defaults to STDOUT if not specified.
File path to record the hash of the command parameters. This is commonly termed as cpHash. NOTE: When this option is selected, The tool will not actually execute the command, it simply returns a cpHash, it simply returns a cpHash, unless rphash is also required.
File path to record the hash of the response parameters. This is commonly termed as rpHash.
The session created using tpm2_startauthsession. Multiple of these can be specified. For example, you can have one session for auditing and another for encryption/decryption of the parameters.
context object format details the methods for specifying OBJECT.
authorization formatting details the methods for specifying AUTH.
common options collection of common options that provide information many users may expect.
common tcti options collection of options used to configure the various known TCTI modules.
tpm2_createprimary -c primary.ctx -Q tpm2_pcrread -Q -o pcr.bin sha256:0,1,2,3 tpm2_createpolicy -Q --policy-pcr -l sha256:0,1,2,3 -f pcr.bin -L pcr.policy echo 'secret' | tpm2_create -C primary.ctx -L pcr.policy -i-\ -u seal.pub -r seal.priv -c seal.ctx -Q tpm2_unseal -c seal.ctx -p pcr:sha256:0,1,2,3