Comments (4)
The USB backend is not designed for multiple concurrent processes.
If you want that, you need to use yubihsm-connector to export an HTTP service, and have tmkms connect to that
from tmkms.
I saw following in yubihsm dcoumentation:
On a single YubiHSM 2 it is possible to establish up to 16 independent and concurrent Sessions. Note that while multiple concurrent Sessions can be active at a given time, the device still serves as a rendezvous point. This means that time-consuming operations, like generating a long RSA key, will block commands in other Sessions. Sessions are addressed with a number in the range [0-15].
Based on this, looks like Yubihsm is processing as a Single threaded process. Will a single TMKMS process with multiple chains perform better than multiple TMMKS with separate config files?
from tmkms.
The sessions are orthogonal to processes. They represent an authenticated encrypted channel to the YubiHSM.
Please read the documentation for yubihsm-connector. Itβs designed exactly for these use cases.
from tmkms.
Thanks for your quick replies. I will check the connector documentation.
from tmkms.
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