Electronics and Telecommunications Research Institute

Yong Sung Jeon

Sang Woo Lee

Ki Young Kim

Jae Deok Lim

Jong Soo Jang

Young Ho Kim

Ik Kyun Kim

Jeong Nyeo Kim

Dae Won Kim

You Sung Kang

Mi Kyung Oh

Young Sae Kim

Jin Hee Han

Seung Yong Yoon

Bo Heung Chung

Yong Hyuk Moon

Sang Jae Lee

Seung Ho Ryu

Ha Young Seong

Provided is a module and method for transmitting information using a wireless hidden signal, which is capable of transmitting important information data requiring extreme security using a wireless hidden signal, and allowing the important information to be detected and distinguished by only promised transmitting/receiving parties so that the possibility of the wireless hidden signal being discovered can be minimized and security can be enhanced. The module for transferring information using a wireless hidden signal includes: a hidden formatting unit configured to generate a transmission data frame structure based on data that needs to be wirelessly transmitted; a hidden encoding unit configured to encode the generated transmission data frame structure to generate and output a hidden encoded bit stream; and a hidden modulation unit configured to convert the output hidden encoded bit stream into a wireless signal in a wireless transmission format.

Module and method for transmitting information using wireless hidden signal

A system for performing an integrity verification based on a distributed delegator and verifying an integrity of a plurality of individual devices based on a network includes: a first individual device which is an integrity verification target of the plurality of individual devices; a second individual device configured to vicariously verify the verification target device of the plurality of individual devices; and a remote device management server configured to select the second individual device of the plurality of individual devices as a verification delegator, and to receive a result of integrity verification of the first individual device by the second individual device.

Device, system and method for performing integrity verification based on distributed delegator

Disclosed is an Academy, Research Institute, and Agency (ARIA) encryption/decryption apparatus for encrypting and decrypting input data by repeating a plurality of rounds. The ARIA encryption/decryption apparatus includes a first register storing input data or an intermediate calculation value according to a first control signal; a second register storing a input round key for every round; an exclusive OR operation unit performing an exclusive OR operation on values stored in the first and second registers; a substitution unit substituting a result of the exclusive OR operation on a basis of an ARIA substitution algorithm; a diffusion unit diffusing a result of the substitution in the substitution unit on a basis of an ARIA diffusion algorithm if a current round is not a final round; and a control unit outputting the first control signal so that an output of the diffusion unit is used as the intermediate calculation value if the current round is the final round or an output of the substitution unit is used as the intermediate calculation value if the current round is the final round, and outputting an output of the exclusive OR operation unit as a result of the ARIA encryption/decryption.

ARIA encryption/decryption apparatus and method, and method of generating initialization key for the same

Provided is a method of generating and searching for a single ternary content addressable memory (TCAM) entry for range search and exact-match search. First, it is determined whether an entry to be added is a range search entry or an exact-match search entry. When the entry is the range search entry, a bit at a predetermined position in the upper m bits corresponding to a range represented by the entry is set to '1' and the remaining bits including lower n bits is set to a 'don't care' bit x, based on a range table for representing position information of one of the upper m bits which is set to &#x201c;1&#x201d; in ranges. When the entry is the exact-match search entry, the upper m bits is set to &#x201c;don't care&#x201d; bit x and the lower n bits is set to the entry value. By generating and searching for a single TCAM entry for a range search and an exact-match search, a space for storing the TCAM entry can be optimized and efficiency thereof can be improved.

Method of generating TCAM entry and method and apparatus for searching for TCAM entry

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Daejeon, South Korea

Yong Sung Jeon