Conversation
jarkko

Jarkko Sakkinen

Here’s the next steps for tpm2-cli.

Transient objects:

  • tpm2-cli flush
    • TPM2_FlushContext
  • tpm2-cli create
    • TPM2_Create
  • tpm2-cli load
    1. ASN.1 decode.
    2. TPM2_Load
  • tpm2-cli save
    1. TPM2_Import
    2. ASN.1 encode.

Persistent objects:

  • tpm2-cli punch.
    • Inspired by fallocate(2) FALLOC_FL_PUNCH_HOLE.
  • tpm2-cli persist
    • TPM2_EvictControl

So the basic gist here is that the command-line I/O goes always in ASN.1 format. Obviously other formats could be supported too but that is what I care myself ATM.

After that I’ll see how much the smoke test transcripts in my kernel patch set cover letter simplify:

https://lore.kernel.org/linux-integrity/20240528210823.28798-1-jarkko@kernel.org/

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