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- .TH TCTI-PCAP 8 "JULY 2020" "TPM2 Software Stack"
- .SH NAME
- tcti-pcap \- Debugging module with pcapng output
- .SH SYNOPSIS
- A TPM Command Transmission Interface (TCTI) module for logging the TPM
- commands transmitted and received in pcapng format.
- .SH DESCRIPTION
- tcti-pcap is a library that logs TPM commands and responses and forwards them to
- another TCTI module. The child TCTI module will be loaded by the tss2-tctildr
- library. The config string passed to tcti-pcap specifies the child TCTI module
- to be loaded. For instance, passing "pcap:device:/dev/tpm0" to tss2-tctildr will
- result in tcti-pcap being loaded which will forward the TPM commands to the
- tcti-device module.
- The pcapng data is stored in a file tpm2_log.pcap. This path can be altered
- using the environment variable TCTI_PCAP_FILE. The strings "stdout"/"-" and
- "stderr" are valid values.
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