digest_file_auth(8) on Linux
The text d134a254502d, as Debian 10 (Buster) shipped it.
File based digest authentication helper for Squid. Version 1.1
Flags it lists
-
-c
The text d134a254502d, as Debian 10 (Buster) shipped it.
File based digest authentication helper for Squid. Version 1.1
-c