| Nowadays, there is no uniform criterion and standard in the data collection, transmission and storage of the electronic case history in domestic hospitals. HIS is a huge and complicated management system in the aspects of medical treatment application and hospital management.The appearance of state authorized CA attestation organizations solved the problem of the authenticity, security and validity of the electronic case history data. With CA attestation applied in the hospital HIS, it will be the third party (CA attestation organizations) that insures the authenticity, security and validity of the whole application process of the electronic case history.Shaoxing Women and Children Health Care Hospital is the prior one in the field of women and children health care to develop informatization, which put electronic case history in practice earlier than other hospitals. The use of electronic case history has the advantages to enhance the management efficiency and the quality of medical treatment, save the manpower and material resources and reduce the treatment cost.The digital signature system of the electronic case history is to use the Anxin CA attestation digital signature technology to develop the hospital information system digital signature technology application. This project can validate the user identity, realize the digital signature and electronic stamp of the medical care personnel on the electronic case history and text, insure the non-repudiation of the data modification, encrypt the data transmission, and insure the validity, confidentiality, integrality and non-repudiation of the data exchange.With the development of the project, the application of digital signature technology to the hospital electronic case history has ensured the confidentiality, integrality, non-repudiation and validity of the electronic case history, reinforced the construction of the information security system of the medical care organization, enhanced the ability to keep away the information security problems and guaranteed the security of the information system which provides people with medical care services, and also important data systems of personal health record, disease information, birth and death information. |