µ¥ÀÌÅͺ£À̽º ¿¬±¸È¸Áö(SIGDB)
Current Result Document :
ÇѱÛÁ¦¸ñ(Korean Title) |
¾Æ¿ô¼Ò½Ì µ¥ÀÌÅͺ£À̽º ȯ°æ¿¡¼ÀÇ ¾ÈÀüÇÑ kNN ÁúÀÇó¸® ¾Ë°í¸®Áò |
¿µ¹®Á¦¸ñ(English Title) |
A Secure kNN Query Processing Algorithm on the Outsourcing Database Environment |
ÀúÀÚ(Author) |
±èÇüÀÏ
±èÇüÁø
ÀåÀç¿ì
Hyeongil Kim
Hyeong-jin Kim
Jae-Woo Chang
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¿ø¹®¼ö·Ïó(Citation) |
VOL 32 NO. 02 PP. 0003 ~ 0019 (2016. 08) |
Çѱ۳»¿ë (Korean Abstract) |
Ŭ¶ó¿ìµå ÄÄÇ»ÆÃÀÇ ¹ßÀü°ú ´õºÒ¾î µ¥ÀÌÅͺ£À̽º °ü¸®¸¦ À§ÇÑ »õ·Î¿î Ç÷§ÆûÀ¸·Î½á µ¥ÀÌÅͺ£À̽º ¾Æ¿ô¼Ò½ÌÀÌ ºÎ»óÇÏ°í ÀÖ´Ù. ±×·¯³ª Ŭ¶ó¿ìµå¿¡¼ÀÇ ½É°¢ÇÑ ÇÁ¶óÀ̹ö½Ã ¿ì·Á·Î ÀÎÇØ, µ¥ÀÌÅͺ£À̽º¸¦ Ŭ¶ó¿ìµå·Î ¾Æ¿ô¼Ò½ÌÇϱâ Àü¿¡ À̸¦ ¾ÏÈ£ÈÇÏ´Â °ÍÀÌ ÇÊ¿äÇÏ´Ù. µû¶ó¼ ¾ÏÈ£ÈµÈ µ¥ÀÌÅͺ£À̽º »ó¿¡¼ÀÇ ´Ù¾çÇÑ kNN ÁúÀÇó¸® ¿¬±¸°¡ Á¦¾ÈµÇ¾ú´Ù. ±×·¯³ª ±âÁ¸ ¿¬±¸´Â ¾ÈÀüÀÌ º¸ÀåµÇÁö ¾Ê°Å³ª, È¿À²ÀûÀÌÁö ¸øÇÑ ¹®Á¦Á¡ÀÌ Á¸ÀçÇÑ´Ù.
µû¶ó¼ º» ³í¹®¿¡¼´Â ¾Æ¿ô¼Ò½Ì µ¥ÀÌÅͺ£À̽º ȯ°æ¿¡¼ÀÇ ¾ÈÀüÇÑ kNN ÁúÀÇó¸® ¾Ë°í¸®ÁòÀ» Á¦¾ÈÇÑ´Ù. Á¦¾ÈÇÏ´Â ¾Ë°í¸®ÁòÀº ¾ÏÈ£ÈµÈ µ¥ÀÌÅÍ ¹× »ç¿ëÀÚ ÁúÀÇ¿¡ ´ëÇÑ º¸È£¸¦ º¸ÀåÇÑ´Ù. ¾Æ¿ï·¯, º» ³í¹®¿¡¼´Â Çâ»óµÈ ÁúÀÇó¸® È¿À²À» Áö¿øÇϱâ À§ÇØ, µ¥ÀÌÅÍ Á¢±Ù ÆÐÅÏÀÇ ³ëÃâ¾øÀÌ µ¥ÀÌÅÍ ÇÊÅ͸µÀ» ¼öÇàÇÒ ¼ö ÀÖ´Â ¾ÏÈ£È À妽º Ž»ö ±â¹ýÀ» Á¦¾ÈÇÑ´Ù. ¼º´É ºÐ¼®À» ÅëÇØ, Á¦¾ÈÇÏ´Â ±â¹ýÀÌ Á¤º¸º¸È£¸¦ Áö¿øÇÏ´Â µ¿½Ã¿¡ ±âÁ¸ ±â¹ý¿¡ ºñÇØ ÁúÀÇó¸® ºñ¿ë Ãø¸é¿¡¼ ¿ì¼öÇÑ ¼º´ÉÀ» Á¦°øÇÔÀ» º¸ÀδÙ. |
¿µ¹®³»¿ë (English Abstract) |
With the adoption of cloud computing, database outsourcing has emerged as a new platform for a database management. Due to the serious privacy concerns in the cloud, database need to be encrypted before being outsourced to the cloud. Therefore, various kNN query processing techniques have been proposed over the encrypted database. However, the existing schemes are either insecure or inefficient. So, we, in this paper, propose a new secure kNN query processing algorithm on the outsourcing database environment. Our algorithm guarantees the confidentiality of both the encrypted data and a user's query record. To achieve the enhanced query processing efficiency, we also devise an encrypted index search scheme which can perform data filtering without revealing data access patterns. We show from our performance analysis that the proposed scheme outperforms the existing scheme in terms of a query processing cost while preserving data privacy. |
Å°¿öµå(Keyword) |
µ¥ÀÌÅͺ£À̽º ¾Æ¿ô¼Ò½Ì
µ¥ÀÌÅͺ£À̽º ¾ÏÈ£È
¾ÏÈ£È À妽º ±¸Á¶
¾ÈÀüÇÑ kNN ÁúÀÇó¸® ¾Ë°í¸®Áò
Database outsourcing
Database encryption
Encrypted index structure
Secure kNN query processing algorithm
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