What is the encryption dog often inserted in the back of the computer? What is it for? What's its function

What is the encryption dog often inserted in the back of the computer? What is it for? What's its function

Secret dog is an intelligent software encryption tool provided for software developers. It includes a hardware installed on the computer parallel port or USB port, and a set of interface software and tool software suitable for various languages. Dongle is based on hardware encryption technology. Its purpose is to prevent the illegal use of intellectual property rights through the encryption of software and data.

"Dog" and cryptodog logo are registered trademarks of rainbow world. Rainbow world has the largest market share in the software encryption industry, with more than 8000 users in China. Chen Longsen, the founder of the dongle, led his elite team to continuously improve and vigorously promote the products since he developed the first dongle in 1990. Up to now, "dongle" has long been synonymous with the products of the whole industry.

At present, there are more than 10 different types of dogs on the market to protect your software and give full play to their strengths. Rainbow world has always maintained an international leading advantage in the promotion and application of new products and technologies. Because we believe that bringing value to users is our value.