On Mon, 14.11.16 08:13, Stephen Gallagher (sgallagh@xxxxxxxxxx) wrote: > One way to address this might be for systemd to provide an API for what Lennart > is suggesting and market that as "the correct way to generate a > machine-id-derived string". > > Basically, I see the function looking something like: > > ``` > const char * > generate-machine-id(uint64_t app-specific-key, > char *acceptable_chars, > size_t num_characters) > ``` > (C example given, but probably we'd actually want this in D-BUS to be > language-agnostic.) > > > Then systemd can control the cryptographic hash. If this function exists and is > public, then people will generally be inclined to use it and we will minimize > the number of people who opt to try to write their own or use the machine-id > directly. > > I will file an RFE. That sounds like a good idea, I think it would make a lot of sense for libsystemd to expose an API to generate an app-specific machine id. (though I'd stick to 128bit ids for both the app key and the result). Lennart -- Lennart Poettering, Red Hat _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx
