• Title/Summary/Keyword: Public key infrastructure

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e-Government Metadata Standard (전자정부 메타데이터 표준)

  • Yun, Kap-Hyang
    • Journal of Korean Society of Archives and Records Management
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    • v.5 no.1
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    • pp.107-136
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    • 2005
  • With development of information technology that allows bidirectional exchange and access of information made possible the formation of e-Government. The e-Government and the E-Government Act established for its support provides a tool for online access of government information. This brought on many changes in the recordkeeping environment of public institutions, and also guarantees access of government information by the general public. The active disclosure of government information was re-confirmed through the Freedom of Information act that was amended in 2004, and through its contents that offer guidelines for administrative information disclosure and announcements (Prime Minister Orders No.422) As a result of this effort, Ministry of Culture and Tourism Cultural Heritage Administration provide real time update of their homepages with focus on key organizational policies and records. Such changes are expected to other various public organizations. In order for public organizations to accurately and efficiently provide information sources, and in order to provide the public with easy access to such information, development of public infrastructure along with e-Government metadata are necessary. Korea does not yet have e-government metadata that has been standardized, although "GILF Core Element" has analogous functions. However, GILS Core element has been developed without recordkeeping intent, and it has not been successful in establishing a connection with recordkeeping metadata. Therefore, in this study, criteria for e-government metadata are proposed.

A Study on Attack Detection Technique based on n-hop Node Certification in Wireless Ad Hoc Network (Wireless Ad Hoc Network에서 n-hop 노드 인증 기반 공격 탐지 기법에 관한 연구)

  • Yang, Hwan Seok
    • Convergence Security Journal
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    • v.14 no.4
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    • pp.3-8
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    • 2014
  • Wireless Ad hoc Network is threatened from many types of attacks because of its open structure, dynamic topology and the absence of infrastructure. Attacks by malicious nodes inside the network destroy communication path and discard packet. The damage is quite large and detecting attacks are difficult. In this paper, we proposed attack detection technique using secure authentication infrastructure for efficient detection and prevention of internal attack nodes. Cluster structure is used in the proposed method so that each nodes act as a certificate authority and the public key is issued in cluster head through trust evaluation of nodes. Symmetric Key is shared for integrity of data between the nodes and the structure which adds authentication message to the RREQ packet is used. ns-2 simulator is used to evaluate performance of proposed method and excellent performance can be performed through the experiment.

A study on the Policy Formation Process of Multi-Functions of Social Welfare Facilities (사회복지시설 다기능화 정책 형성과정에 관한 연구)

  • Kim, Jin Woo
    • Korean Journal of Social Welfare
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    • v.69 no.1
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    • pp.125-145
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    • 2017
  • The Purpose of this research is to draw implications of Multi-Functions of social welfare facilities on non-public social welfare delivery system especially in the rural area where there is not enough welfare infrastructure. The policy formation process of social welfare facilities was reviewed with 'Modified Policy Streams Framework" which combined Kingdon's Model with Mucciaroni's Model. Multi-Functions Policy of Social Welfare Facilities was led by the government with background of powerful President's initial stage of taking the power and finally legislated by amending Social Welfare Service Act in line with efficiency of non-public social welfare delivery system. However, the process did not represent the summation of needs originated from social work practice. The government just play the role of collecting some evidence underpinning the necessity of multi-functions of social welfare facilities and rearanging how to deploy the multi-functions policy. As the result the multi-functions policy is not activated and is not able to be the key criteria in expanding social welfare infrastructure. However, in spite of these limitation, the issue of multi-functions of social welfare facilities can cast the light on expanding infrastructure in the rural area where the gross size of area in larger in comparison to the district in the metropolitan city whereas residents are scattered because more number of social welfare facilities can not be the solution due to the limitation of finance and logic of efficiency.

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Health System Preparedness for Tobacco Control: Situational Analysis of Existing Health Programs in Andhra Pradesh, India

  • Panda, Rajmohan;Mathur, Manu Raj;Divya, Persai;Srivastava, Swati;Ramachandra, Srikrishna Sulgodu
    • Asian Pacific Journal of Cancer Prevention
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    • v.13 no.12
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    • pp.5969-5973
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    • 2012
  • Introduction: Andhra Pradesh (AP) is one of the largest tobacco producing states in India. About 29% of adults in AP currently use tobacco in some form. Almost 24% of males and 4% of females are smokers. The prevalence of tobacco use in the state is higher than the national average of 15% for male and 2% for female smokers. However, few attempts have been made to understand the current situation of tobacco control resources, activities and strategies in the context of such a high tobacco prevalence state. The present study aimed to identify the gaps in existing tobacco control program and areas where tobacco control efforts can be integrated. Methods: Data were collected using both quantitative and qualitative methods. Semi-structured interviews were undertaken with a total of 95 key officials of state health departments, program managers, and project directors in six districts to understand ongoing tobacco control efforts. To facilitate the interviews, semi-structured guides were developed. Simple descriptive statistical analysis was conducted on the quantitative data using SPSS version 17. Results: The results of the situational analysis suggest that a sufficient health workforce and infrastructure with the potential to integrate tobacco control activities is available in the surveyed districts. However, lack of integration of the tobacco control program intothe tuberculosis control program and the National Rural Health Mission was observed. Information, education and communication activities were lacking at block level health facilities. Conclusions: Our findings indicate that lack of trained health professionals, paucity of dedicated funds, lack of information, education and communication materials and low priority given to tobacco control activities are some of the factors which impede integration of tobacco control into existing health and developmental programmes in the districts of Andhra Pradesh, India.

A Study on the Short Term Curriculum for Strengthening Information Security Capability in Public Sector (공공분야 정보보안 역량 강화를 위한 단기 교육과정 연구)

  • Yun, Joobeom
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.26 no.3
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    • pp.769-776
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    • 2016
  • Recently, cyber attacks are continuously threatening the cyberspace of the state across the border. Such cyber attacks show a surface which is intelligent and sophisticated level that can paralyze key infrastructure in the country. It can be seen well in cases, such as hacking threat of nuclear power plant, 3.20 cyber terrorism. Especially in public institutions of the country in which there is important information of the country, advanced prevention is important because the large-scale damage is expected to such cyber attacks. Technical support is also important, but by improving the cyber security awareness and security expert knowledge through the cyber security education to the country's public institutions workers is important to raise the security level. This paper suggest education courses for the rise of the best security effect through a short-term course for the country's public institutions workers.

SVC: Secure VANET-Assisted Remote Healthcare Monitoring System in Disaster Area

  • Liu, Xuefeng;Quan, Hanyu;Zhang, Yuqing;Zhao, Qianqian;Liu, Ling
    • KSII Transactions on Internet and Information Systems (TIIS)
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    • v.10 no.3
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    • pp.1229-1248
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    • 2016
  • With the feature of convenience and low cost, remote healthcare monitoring (RHM) has been extensively used in modern disease management to improve the quality of life. Due to the privacy of health data, it is of great importance to implement RHM based on a secure and dependable network. However, the network connectivity of existing RHM systems is unreliable in disaster area because of the unforeseeable damage to the communication infrastructure. To design a secure RHM system in disaster area, this paper presents a Secure VANET-Assisted Remote Healthcare Monitoring System (SVC) by utilizing the unique "store-carry-forward" transmission mode of vehicular ad hoc network (VANET). To improve the network performance, the VANET in SVC is designed to be a two-level network consisting of two kinds of vehicles. Specially, an innovative two-level key management model by mixing certificate-based cryptography and ID-based cryptography is customized to manage the trust of vehicles. In addition, the strong privacy of the health information including context privacy is taken into account in our scheme by combining searchable public-key encryption and broadcast techniques. Finally, comprehensive security and performance analysis demonstrate the scheme is secure and efficient.

Trends in Trustworthy Communication for the Next-Generation (차세대 신뢰통신 연구동향)

  • Kim, T.H.;Hong, J.H.;Jung, H.Y.
    • Electronics and Telecommunications Trends
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    • v.30 no.4
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    • pp.129-139
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    • 2015
  • 현재의 인터넷은 40여 년 전에 신뢰할 수 있는 호스트 간의 통신을 기반으로 설계되어 식별성(Identity)과 기밀성(Privacy)등의 보안성에 대한 특별한 요구사항이 없었다. 추후 인터넷이 전 세계적으로 확장함에 따라 신뢰할 수 없는 호스트가 통신에 참여하게 되었고 이에 대한 보안 요구사항이 새롭게 등장하였다. 이러한 요구사항을 만족시키기 위한 인터넷의 보안 기술은 키(Key)에 매우 의존적으로 발전하여 현재 모든 인증 관련 기술과 보안 기술들은 공개키 기반 구조(Public Key Infrastructure: PKI)와 같이 키를 기반으로 하고 있다. 이러한 연구 동향은 미래인터넷의 보안 연구에서도 여전히 반영되어 미국에서 진행 중인 eXpressive Internet Architecture(XIA)나 다른 미래 인터넷 프로젝트에서도 키 기반의 보안기술 연구를 진행하고 있다. 하지만 모든 통신을 의심하고 이를 감시하기 위한 기존의 인터넷 보안 기술과 달리 미래인터넷 보안 연구는 상호 신뢰를 기반으로 네트워크에 대한 공격 자체를 원천적으로 차단할 수 있는 신뢰통신(Trustworthy communication)을 목적으로 하고 있으며 이에 대한 새로운 연구 결과가 등장하고 있다. 본고에서는 차세대 보안연구 분야인 신뢰통신의 연구동향과 성과를 소개하고 장단점을 분석한다. 특히 미래인터넷의 신뢰통신 연구 중 대중적으로 인정받고 있는 공개키를 이용한 자가인증(Self-certifying)과 이를 뒷받침하기 위한 공개키 검증 시스템 연구 및 신뢰경로 구축 연구를 중심으로 미래인터넷의 신뢰통신 연구가 진행된 과정을 중점적으로 소개한다.

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Dynamic Analysis on the Construction of the Innovative City (혁신도시 건설에 관한 동태적 분석)

  • Lee, Man-Hyung;Kim, Yeon-Sik;Kim, Mi-Sung;Hong, Sung-Ho
    • Korean System Dynamics Review
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    • v.8 no.2
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    • pp.141-173
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    • 2007
  • In Korean context, the innovative cities imply new towns or urban clusters in the Non Capital Regions, all of which would accommodate the relocated Capital based public organizations. The central government-initiated innovative cities have provoked pros and cons towards their effectiveness and efficacy for the balanced territorial development. From a broader prospective, this paper firstly examines the current status quo of the innovative cities. Based on their master plans, it analyzes physical and non physical factors which would exert significant impact on the innovative cities. Secondly, it pays attention to how key factors strengthen or weaken their behavioral patterns in terms of dynamic location and implementation policies of the innovative cities. Using System dynamics approaches, it sets up couples of scenarios, categorizing between supporting and opposing arguments towards the innovative cities. Lastly, after divulging systematic structure of the innovative cities, it proposes a series of practical alternatives which would contribute to minimizing unexpected side effects or unwanted social cost in the long run. In order to guarantee reinforcing structure of the innovative cities, the paper suggests that QOL (quality of life) variables, which would require continuous investment in the social infrastructure, are pivotal in achieving original goals of the innovative cities. Otherwise, the innovative cities would not be innovative per se. In the worst case, they might be degraded into the unpopular ghost towns.

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A Study on the Diagnosis Indicators and checklist for Urban Regeneration Projects by LH (LH형 도시재생사업 진단 지표 및 체크리스트 개발)

  • Park, Dong Sun;Lee, Young Eun;Kim, Ho Chang
    • Land and Housing Review
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    • v.9 no.2
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    • pp.1-7
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    • 2018
  • The purpose of this study is to suggest diagnosis indicators and checklist for urban regeneration projects by Korea Land & Housing Corporation(LH). There are already deprivation indices in the Urban Regeneration Act but not any additional guidelines in the practical aspect. In order to use the diagnosis indicators, the central government should supply more specific checklist to the actors in the regeneration field. The key actor of many stakeholders is LH as an operator and implementer in the regeneration projects. So far, LH has developed housing and cities and there haven't been any obvious changes to realize public benefit in the deteriorated area. From now on, It has to plan, implement, and manage a lot of regeneration projects entirely. Therefore, It is necessary to develope and apply the diagnosis indicators and checklist based on projects. This paper came up with the 6 factors related with LH business field : housing, urban infrastructure, public service, private service, environment, and smart city. For these, 32 diagnosis indicators and 72 checklists were selected that can include both physical and qualitative indicators. These can be used not only for the selection of regeneration projects but also for the process monitoring such as planning and implementation.

A Study on The Controllability Function and Sevice Design for Disaster Damage Reduction in the IoT Environment

  • Yang, Jung-Mo;Kim, Jeong-Ho
    • Journal of the Korea Society of Computer and Information
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    • v.21 no.2
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    • pp.43-49
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    • 2016
  • In this paper, we propose the controllability function and service design to efficiently implement the control of the disaster communication network, using Internet of Things(IoT) Technology. In accordance with the spread of Information Communication Technology(ICT), the era for building a disaster communications system without exclusion over the entire areas has emerged. National wireless mesh networks for public safety and disaster relief have been evolving to strengthen the pre-disaster response system using the latest technologies through the convergence of various technologies and services from the viewpoint of the command and control between disaster response agencies. In line with such a technological paradigm shift, the controllability of the objects in the IoT has been emerging as a key quality requirement of a disaster communications system. In this study, the objects are classified by the subject of control according to the IoT component, such as data, network resources and services in order to effectively implement their controllability. In addition, based on the destination of this controllability, technologies and services have been designed that can reduce the damage caused by disasters. Technologies and services that were derived from this study must be implemented in the current disaster safety network systems together with the establishment of an infrastructure for the networks in order that all persons are able to effectively utilize the disaster communications system for their safety.