Electronics and Telecommunications Research Institute

Deokjin Kim

Seung-hyun Kim

Jong-Hyouk Noh

Jin-Man Cho

Young Seob Cho

Seung Hun Jin

Sang Rae Cho

Soo Hyung Kim

Yung Yi

Dae Seon Choi

Kiwook Sohn

Young Han Choi

KyoungSoo Park

Hyunggeun Oh

Junghee Lee

Sungryoul Lee

Jihyung Lee

Byungchul Bae

Sangwoo Moon

An intrusion detection apparatus and method using a load balancer responsive to traffic conditions between a central processing unit (CPU) and a graphics processing unit (GPU) are provided. The intrusion detection apparatus includes a packet acquisition unit, a character string check task allocation unit, a CPU character string check unit, and a GPU character string check unit. The packet acquisition unit receives packets, and stores the packets in a single task queue. The character string check task allocation unit determines the number of packets in the packet acquisition unit, and allocates character string check tasks to the CPU or the GPU. The CPU character string check unit compares the character strings of the packets with a character string defined in at least one detection rule inside the CPU. The GPU character string check unit compares the character strings of the packets with the character string inside the GPU.

Intrusion detection apparatus and method using load balancer responsive to traffic conditions between central processing unit and graphics processing unit

A key tree construction and key distribution method for hierarchical role-based access control, includes: constructing a key tree including relationships between a hierarchical structure of role groups and data; performing encryption and decryption of data keys and role keys; and generating a key table, in which the data keys required to decrypt encrypted data and the role keys required to decrypt encrypted data keys are stored, with reference to the key tree. Further, the key tree construction and key distribution method for hierarchical role-based access control includes performing management such that a specific role group can obtain a data key by performing decryption based on its own role key by using both the key tree and the key table.

Key tree construction and key distribution method for hierarchical role-based access control

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Daejeon, South Korea

Deokjin Kim