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It's possible to browse the before-changes-started version of the FreeBSD code, through either CVS or the FreeBSD Git mirror. To save people the effort of findi

It's possible to browse the before-changes-started version of the FreeBSD code, through either CVS or the FreeBSD Git mirror. To save people the effort of finding the right git revision and the path, the kernel module starts here: https://github.com/freebsd/freebsd-src/tree/95331c228a39b44cb96c4d0142ed8afec8a4d063/sys/dev/if_wg https://github.com/freebsd/freebsd-src/tree/95331c228a39b44c... On a casual inspection, there are at least kernel printfs in crypto code in __chacha20poly1305_decrypt (in module/crypto/zinc/chacha20poly1305.c) that were not in the original version of this from Linux.

xxpor 6y ago
The original version would be GPL v2 right? If that's the case it'd make sense that the two don't match because you can't reuse the code for FreeBSD. You'd want a completely clean implemention just to avoid any appearance of impropriety, unless the new implementation was done by the copyright holder themselves.
- siebenmann 6y ago
  That particular file seems to have been taken from Jason A. Donenfeld's original, which was dual-licensed GPLv2 or MIT and so legal to import (under MIT) into FreeBSD. I don't know which upstream version of the file it comes from, but it's definitely very close to the version in https://github.com/WireGuard/wireguard-monolithic-historical https://github.com/WireGuard/wireguard-monolithic-historical .