It's Linux specific, but I would look into the in-kernel key management https://man7.org/linux/man-pages/man7/keyrings.7.html https://man7.org/linux/man-pages/m

It's Linux specific, but I would look into the in-kernel key management https://man7.org/linux/man-pages/man7/keyrings.7.html https://man7.org/linux/man-pages/man7/keyrings.7.html