Source : Free On-Line Dictionary of Computing

Crypt Breakers Workbench
     
        (cbw) A freely distributable multi-window integrated workbench
        of tools for {cryptanalysis} of files encrypted with the
        {4.2BSD} {Unix} {crypt} command.  It was originally written by
        Robert W. Baldwin at {MIT}.
     
        {(ftp://black.ox.ac.uk/src/security)},
       
     {(ftp://scitsc.wlv.ac.uk/pub/infomagic/usenet.cdrom/sources/unix/volume10)},
        {(ftp://ftp.sunet.se/pub/usenet/comp.sources.unix/volume10)}.
     
        (1994-12-06)