INFORMATION SECRECY METHOD AND SYSTEM BASED UPON BIG DATA, AND INFORMATION EXTRACTION METHOD AND SYSTEM

摘要

To disclose an information secrecy method and system based upon big data, and an information extraction method and system according to the present invention.SOLUTION: An information secrecy method includes the steps of: receiving secret information to be concealed; processing and inserting the secret information at a position in big data; and transmitting secret information-related information on the big data to a reception permitted person. An information extraction method includes the steps of: receiving secret information-related information on the bit data that the reception permitted person provides; and extracting the secret information on the basis of the secret information-related information on the big data and transmitting the secret information to the reception permitted person. The present invention not only enables all users to access the big data openly, but also enables each user to access only information that the user is permitted to receive in the big data so as to impart openness and safety to the bit data.SELECTED DRAWING: Figure 1