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Ç¥ÁعøÈ£ | TTAK.KO-10.1181 | ±¸Ç¥ÁعøÈ£ | |
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Á¦°³Á¤ÀÏ | 2019-12-11 | ÃÑÆäÀÌÁö | 20 |
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¿µ¹®Ç¥Áظí | Restoration Method of unrecognized Off-line Document using Videos | ||
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¿µ¹®³»¿ë¿ä¾à | Offline document protection technology proposed by the standard to prevent personal information exposure uses an offline document masking/unmasking method leveraging two-dimensional barcode and user secret key. That is, the offline document protection system is composed of the server that masks offline documents for privacy and the clients that safely unmask masked offline documents only to authorized users. Specifically, the server masks the personal information using the user's secret key, stores masking information in a two-dimensional bar code, and then creates and distributes masked offline document. In contrast to the server's masking capabilities, the clients may provide personal information only to the authorized user by unmasking masked offline document by using the user's secret key along with masking data extracted from the two-dimensional barcode after the user authentication is completed. | ||
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°ü·ÃÆÄÀÏ | TTAK.KO-10.1181.pdf |