Steganography Detection on the Internet Distributed Dictionary Attack For eBay images, we used 60 workstations. Total performance for JPHide was 200,000 words per second. 16 times faster than a single 1200 MHz Pentium III. For USENET images, we used more than 230 nodes. Total performance for JPHide was 870,000 words per second. 72 times faster than a single 1200 MHz Pentium III. To verify correctness of participating clients, we inserted tracer images into the workset. All keys were correctly identified for the tracer images.