tpm_sealdata(1)

tpm_sealdata(1) 💖

TPM Management — tpm_sealdata, from the General Commands Manual bestie section of the group chat ✨

🌸 NAME 🌸

tpm_sealdata — seal input data to the system's TPM 🫶🔒

✨ SYNOPSIS ✨

tpm_sealdata [OPTION]

💅 DESCRIPTION 💅

okay so picture this: you have sensitive input data and you want it locked tf down. tpm_sealdata seals that data to the SRK of your system's TPM, and optionally to a PCR configuration too. main character encryption energy fr fr 👑

⚠️ bestie BACK UP YOUR DATA ⚠️ it is unrecoverable from this format if the SRK changes or if the specified PCR configuration can't be reproduced. like, gone gone. no cap. 💀

The result can be unsealed by functions in libtpm_unseal, such as tpmUnsealFile(3). iconic.

🎀 OPTIONS 🎀

• -h, --help — Display command usage info. the "wait what does this do again" button 🙈
• -v, --version — Display command version info. vibe check on the version ✨
• -l, --log [none|error|info|debug] — Set logging level. pick your yap level: none, error, info, or debug 🍓
• -i, --infile FILE — File containing input data to seal. drop the file here, bestie 💌
• -o, --outfile FILE — Output file. Default is STDOUT. no file? it just yells into your terminal, slay 🎤
• -p, --pcr NUMBER — Seal data to the current value of the specified pcr. This option can be given NUM_PCRS times. The specified pcr is in the range of 0 to NUM_PCRS-1. NUM_PCRS is at least 16 but may vary by platform. stack these like friendship bracelets, one per pcr 💖
• -z, --well-known — Use TSS_WELL_KNOWN_SECRET (20 zero bytes) as the SRK password. You will not be prompted for the SRK password with this option. skipping the password prompt entirely, lowkey a flex 🔥
• -u, --unicode — Use TSS UNICODE encoding for the SRK password to comply with applications using TSS popup boxes. for the apps that insist on being extra 🌈

🦋 SEE ALSO 🦋

tpm_takeownership(8), tpmUnsealFile(3)

😭 REPORTING BUGS 😭

Report bugs to <trousers-users@lists.sourceforge.net>

TPM Management · 2005-08-10

and that's the whole page bestie, mwah 💅💖 thanks for reading, go seal something responsibly, xoxo 🎀