It's up to you to input the proper format. Sample files have been included. I have found this program to be a great help in pruning out bad OTP's on firewalls, gateways, and generic hosts. The time required is relative to the iteration counter for the account being checked. This is not as helpfull as it sounds.
Most people pick memorable phrases from songs or shows that are fairly common.
All copyrights etc. have been kept in-tact and credit given where it is due. If you don't get any succesfull cracks from the included skeykeys, sniffed and dictionary files you probably need to switch the endian flag in the makefile.