Kookmin University

Jun Nyung Hur

Myung Keun Yoon

Dong Hoon Kim

Hyeon Gy Shon

An apparatus for detecting a target file includes an inverse indexing database unit configured to generate at least one file chunk by performing a chunking operation on a target file, and inversely index each of the at least one file chunk as a target file code, a network packet receiving unit configured to receive a network packet, a packet chunk processing unit configured to generate at least one packet chunk by performing a chunking operation on a network packet, a chunk query unit configured to generate a packet chunk query word for each of the at least one packet chunk and provide the packet chunk query word to the inverse indexing database unit to receive the detection target file code, and a file code determining unit configured to determine a most likely detection target file code in the network packet based on the received detection target file code.

Apparatus and method for detecting target file based on network packet analysis

A hash code-based search apparatus includes a token set extracting unit configured to extract a token set having at least one token from a document, a hash code generating unit configured to generate N hash codes by applying N hash functions to the at least one token (where N is a natural number), and an index generating unit configured to generate a search index by indexing the document with the N hash codes.

Growing community of inventors

Seoul, South Korea

Jun Nyung Hur