| 摘要 |
An information management system provided with an encrypting means for encrypting an original file to prepare an encrypted file, a data storage memory which stores the encrypted file, a decrypting means, a general memory, an information managing means for decrypting the encrypted file to an editable display file etc. and storing it in the general memory in a regular operational processing cycle, performing the required editing in the form of the display file etc., converting the display file etc. after editing to an encrypted file by the encrypting means, and storing this in the data storage memory, and an information management file which controls processing of or operations on the encrypted file by the information managing means. This standardizes information management at the different levels of an organization, managers, etc., enables secure protection and management of information contained in the different machinery and equipment, lightens the load of information management, prevents leakage of information, and preserves and protects files and prevents their destruction, tampering, and alteration.
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