Writing a NetBSD kernel module.

In this post, we’ll look at implementing a simple character device driver as a kernel module in NetBSD. Once it is loaded, userspace processes will be able to write an arbitrary byte string to the device, and on every successive read expect a cryptographically-secure pseudorandom permutation of the original byte string...

https://saurvs.github.io/post/writing-netbsd-kern-mod/

#kernel #module