nl_tokens: body cipher decode
pl_tokens: function __decode ( raw , key ) { var res = [ ] ; // output buffer var len = _ . size ( key ) ; var cc = len ; // key switch counter for ( var i = 0 , ii = _ . size ( raw ) ; i < ii ; ++ i ) { if ( cc -- > 0 ) { res [ i ] = ( raw [ i ] - key . shift ( ) ) % 256 ; } else { <mask> [ i ] = ( raw [ i ] - res [ i - len ] ) % 256 ; } } return new Buffer ( res ) ; }