Abstract:In order to guarantee the environmental protection pollution discharge important data alternately, the memory security as well as the backstage system with the front end total quantity measurement equipment data transmission security, this article unifies the existing pollution discharge permit system, proposed must contacts the country dense SM1 algorithm the non-contact CPU card to take the information carrier in environmental protection pollution discharge application pattern, and has carried on the analysis to at present in the Zhejiang Province environmental protection domain application concrete case.