Time-stamp can provide accurate time for electronic files and test if the file added time-stamp has been modified. Based on the advantages and disadvantages of the Linear-Linking Scheme and Tree-Like Scheme, a hybrid model is introduced, which creates the integral structure in Tree-Like Scheme and the internal structure in Linear-Linking Scheme needs no complete trust to TSA and the very long verifying time. Patients seal time-stamp on their medical records and doctors on their diagnosis based on the hybrid model to solve the secure problems of electronic medical records. Both patients’ medical records and doctors’ diagnosis have anonymity and reliability to a certain degree.
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孙萧寒. 数字时间戳技术在电子病历中的应用研究[J]. 科学技术与工程, 2010, (28): . Sun Xiao-han. The Research on the application of Digital Time-Stamp Techniques in Electronic Medical Records[J]. Science Technology and Engineering,2010,(28).