This one time, at band camp, Tim Angus wrote: >I just checked in a GPL MD4 implementation derived from the Linux >kernel. I'm not 100% sure it's 64bit and big-endian safe, so some >testing on x86_64 and ppc would be good. I dunno about x86_64, but the mdfour.c in quakeforge and quake2forge is big-endian-safe, GPLed derived from Samba.