On Mon Apr 29, 2024 at 11:28 PM EEST, James Bottomley wrote: > + rc = tpm_buf_init(&buf, TPM2_ST_NO_SESSIONS, TPM2_CC_START_AUTH_SESS); > + if (rc) > + goto out; Have missed this one. The command code name is truncated, which we have not done. It should be TPM2_CC_START_AUTH_SESSION. Spotted this while thinking how to test the interposer scenario. BR, Jarkko