def makeMimi(upid):
strSeed = "<STR_LIT>"<EOL>prehash = upid + "<STR_LIT:_>" + strSeed<EOL>return md5(prehash.encode('<STR_LIT:utf-8>')).hexdigest()<EOL>
From http://cdn37.atwikiimg.com/sitescript/pub/dksitescript/FC2.site.js
    Also com.hps.util.fc2.FC2EncrptUtil.makeMimiLocal
    L110