TCTI-SWTPM(7)

📦
version 4.2.0 · 9 versions
, in arch rolling, nixos 26.05, nixpkgs unstable

💖 TCTI-SWTPM 💖

okay bestie, pull up a chair, we're talking about tcti-swtpm(7) — that's the manual page name, section 7, miscellaneous info manual energy, and honestly? she's niche but she's important. 🦋

✨ NAME ✨

tcti-swtpm — the TPM simulator TCTI library. that's it, that's the whole name, short and iconic. 👑

🌸 SYNOPSIS 🌸

So basically, this is a TPM Command Transmission Interface (TCTI) module, and its whole job is talking to the TPM2 software simulator. Like, it's the little social secretary that handles the interaction for you. 🫶

💅 DESCRIPTION 💅

tcti-swtpm is a library that abstracts away all the messy details of direct communication with the interface and protocol exposed by the daemon hosting the TPM2 reference implementation. like, you do not want to be handshaking with a daemon manually, that's giving chaos, that's giving "I touched the socket and now nothing works." 😭

The interface that this library exposes is defined in the "TSS System Level API and TPM Command Transmission Interface Specification" specification — so if you want the deep lore, that's where it lives. 📜✨

⭐ NOTES ⭐

Real talk, bestie: it is best not to use the CUSE interface when setting up swtpm. instead, use the vtpm module proxy. trust. 🧚

modprobe tpm_vtpm_proxy
swtpm chardev --vtpm-proxy --tpmstate dir=... --tpm2 ...
no cap, this is the setup you actually want. CUSE is lowkey the wrong vibe here. 💀

🎀 AUTHOR 🎀

TPM2 Software Project — <https://github.com/tpm2-software/tpm2-tss>

(the whole squad over there, absolute legends, main character energy fr fr 🌈)

🦋 SEE ALSO 🦋

sibling pages, the whole friend group, go read them, they're all slay:

💜 COLOPHON 💜

This page is part of release 4.2.0 of Open Source implementation of the TCG TPM2 Software Stack (TSS2). A description of the project, information about reporting bugs, and the latest version of this page can be found at <https://github.com/tpm2-software/tpm2-tss/>.

🌸 LICENSE 🌸

This work is licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0). For more information visit <https://creativecommons.org/licenses/by/4.0/>

okay so that's the whole page!! written by the TPM2 Software Stack, dated OCTOBER 2019, and honestly the fact that you read all the way down here means you're a real one. go set up your swtpm, use the vtpm proxy, and hydrate. 💖✨🎀🦋💅🫶

📦 where this page comes from