KalEl

    function InfiniteHash(code) {
        var pool='';
        var current=0;
        var index=0;
        // returns 0-256
        this.getNext=function() {
            if (pool.length<2) pool=SHA256(code+'|'+(index++).toString());
            var result=parseInt(pool.substr(0,2),16);
            pool=pool.substr(2);
            return result;
        }
        // returns 0-limit, ignoring all that are higher than limit
        this.getNextLimited=function(limit) {
            var k;
            while(true) {
                k=this.getNext();
                if (k<limit) return k;
            }
        }
    }