tpm2_hash(8)

NAME
tpm2_hash - performs a hash operation on a data buffer and returns the results. If the results of the hash will be used in a signing operation that uses a restricted signing key, then the ticket returned by this command can indicate that the hash is safe to sign.

SYNOPSIS
tpm2_hash[ COMMON OPTIONS ] [ TCTI OPTIONS ] [ --hierarchy|--halg|--infile|--outfile|--ticket| ]

performs a hash operation on a data buffer and returns the results. If the results of the hash will be used in a signing operation that uses a restricted signing key, then the ticket returned by this command can indicate that the hash is safe to sign.

DESCRIPTION
tpm2_hash performs a hash operation on a data buffer and returns the results. If the results of the hash will be used in a signing operation that uses a restricted signing key, then the ticket returned by this command can indicate that the hash is safe to sign.

OPTIONS

-H ,--hierarchy
    hierarchy to use for the ticket e TPM_RH_ENDORSEMENT o TPM_RH_OWNER p TPM_RH_PLATFORM n TPM_RH_NULL

-g ,--halg
    algorithm for the hash being computed 0x0004 TPM_ALG_SHA1 0x000B TPM_ALG_SHA256 0x000C TPM_ALG_SHA384 0x000D TPM_ALG_SHA512 0x0012 TPM_ALG_SM3_256

-I ,--infile
    file containning the data to be hashed

-o ,--outfile
    file record the hash result

-t ,--ticket
    file record the ticket @COMMON_OPTIONS_INCLUDE@ @TCTI_OPTIONS_INCLUDE@

ENVIRONMENT@TCTI_ENVIRONMENT_INCLUDE@

EXAMPLES
tpm2_hash

    tpm2_hash -H <e|o|p|n> -g 0x004 -I <inputFilename> -o <hashFilename> -t <ticketFilename>