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김영세,이정우,한진희,신진아,전성익,Kim, Y.S.,Lee, J.W.,Han, J.H.,Shin, J.A.,Jun, S.I. 한국전자통신연구원 2005 전자통신동향분석 Vol.20 No.1
다양한 무선 네트워크 서비스의 장단점을 상호 보완하기 위해, 3G/WLAN/WiBro 등을 포괄하는 통합무선 네트워크 서비스 체계를 구축하고자 하는 노력이 활발히 이루어지고 있다. 이 때, 각 네트워크 간의 연동은 필연적이며 따라서 기존의 개별 네트워크를 넘어 연동되는 네트워크 상에서의 인증, 키 교환 및 데이터 암호화 등을 가능하게 하는 연동 보안 기술이 요구된다. 본 고에서는 국제 표준에서 제안되고 있는 무선 네트워크 간의 연동 기술을 소개하고, 이에 요구되는 연동 보안 기술의 국내외 기술 동향 및 표준화 동향에 대해서 살펴보고자 한다.
김영세,박건우,박상필 한국산업경영시스템학회 1995 한국산업경영시스템학회지 Vol.18 No.36
Quality audit is one of tools to evaluate the effectiveness and compliance of quality system. Quality system will be improved through quality audit. This paper describes the considerations such as audit team, audit process, audit checklist and auditor's communication skills to perform effective quality audit. The result of quality audit depends on the auditees attitudes. Thus, the auditor's manner is very important to gain a good audit result.
IoT 디바이스를 위한 MTM 기반의 안전한 OTP 생성기 구현
김영세,한진희,전용성,김정녀,Kim, Young-Sae,Han, Jin-Hee,Jeon, Yong-Sung,Kim, Jung-Nyu 대한임베디드공학회 2015 대한임베디드공학회논문지 Vol.10 No.4
In this paper, we present the implementation of a secure OTP(One Time Password) generator for IoT(Internet of Things) devices. Basically, MTM(Mobile Trusted Module) is used and expanded considering secure IoT services. We combine the MTM architecture with a new hardware-based OTP generation engine. The new architecture is more secure, offering not only the security of devices but also that of the OTP service. We have implemented and verified the MTM-based OTP generator on a real mobile platform embedded with the MTM chip. The proposed method can be used as a solution for enhancing security of IoT devices and services.
Dispersion of Inflation Expectations: Stylized Facts, Puzzles, and Macroeconomic Implications
김영세,장병득 한국경제학회 2015 The Korean Economic Review Vol.31 No.1
Building on time-series and cross-sectional properties of survey forecasts, this paper documents a fruitful set of stylized facts of inflation expectations in Korea that a macroeconomic theory must aim to explain. Despite the fact that survey measures of inflation expectations have a similar central tendency, the amount of disagreement among different types of economic agents appears to be substantial and shows no clear relationship with relative price variability. The analysis of micro-level inflation expectations data suggests that inflation uncertainty measured by dispersion of households expectations relies not only on inflation regime but also on relative price variability. Each survey forecast has the ability to explain the path of future inflation, but surprisingly with the wrong direction from the rationality perspectives. Percentile regression analysis yields robust evidence of bounded rationality for the households.