• Title/Summary/Keyword: 가상 카드

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A Study On the Optimization of the Java Card Virtual Machine Based SmartCard (스마트 카드기반의 자바카드 가상기계 최적화연구)

  • 황욱철;양윤심;권오형;최원호;김도우;정민수
    • Proceedings of the Korea Multimedia Society Conference
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    • 2001.11a
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    • pp.374-377
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    • 2001
  • Java Card 플랫폼을 내장한 스마트 카드는 현재의 스마트 카드에 적용되는 모든 표준을 따르는 전형적인 스마트 카드인데, 자바카드 플랫폼의 장정을 최대한 이용하기 위해 적용할 기술은 메모리 측면에서 보면 사용할 수 있는 자원이 적어 다양한 용도로 사용에 있어 제한적이다. 따라서 본 논문에서는 적은 메모리 자원을 가지고 보다 효율적이고 최적화된 성능을 가지는 자바플랫폼을 지원하기 위해 자바 플랫폼의 성능에 핵심이 되는 자바 카드 가상기계(JCVM)의 성능최적화 방안에 대한 방법을 제시하고자 한다.

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Design of chip operating system for smart card (스마트 카드를 위한 칩 운영체제 설계)

  • NamGoong, Woo;Cho, Sang-Young
    • Proceedings of the Korean Society of Broadcast Engineers Conference
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    • 2010.07a
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    • pp.442-443
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    • 2010
  • 최근 고성능 스마트 카드가 모바일 폰, 자바 카드, 전자 여권, 은행 카드용으로 여러 회사에서 다양하게 출시되고 있다. 이러한 스마트 카드는 내부의 다양한 응용 프로그램을 수행하기 위한 칩 운영체제를 가지고 있다. 본 논문은 다운로드 가능한 CAS 시스템에 특화된 칩 운영체제 설계에 대해 기술한다. 또한 칩 운영체제를 구현하기 위한 개발 환경으로 가상 개발 환경에 기초한 스마트 개발 환경 구현에 대해 기술하며 다양한 스마트 카드 응용 프로그램 개발을 위한 가상 개발 환경에 대해 논의한다.

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One-Time Virtual Card Number Generation & Transaction Protocol using Integrated Authentication Center (통합인증센터를 활용한 일회용 가상카드번호 생성 및 결제서비스 프로토콜)

  • Seo, Seung-Hyun
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.20 no.3
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    • pp.9-21
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    • 2010
  • Recently, famous online shopping websites were hit by hacking attack, and many users' personal information such as ID, password, account number, personal number, credit card number etc. were compromised. Hackers are continuing to attack online shopping websites, and the number of victims of these hacking is increasing. Especially, the exposure of credit card numbers is dangerous, because hackers maliciously use disclosed card numbers to gain money. In 2007 Financial Cryptography Conference, Ian Molly et al. firstly proposed dynamic card number generator, but it doesn't meet reuse resistant. In this paper, we analyzed security weaknesses of Ian Molly's scheme, and we proposed a new one-time virtual card number generator using a mobile device which meets security requirements of one-time virtual card numbers. Then, we propose one-time credit card number generation and transaction protocol using Integrated Authentication Center for user convenience and security enhancement.

Virtual Credit Card Number Payment System with Stored Hash Value for Efficient Authentication (효율적인 인증을 위한 해시 저장방식의 가상카드번호 결제 시스템)

  • Park, Chan-Ho;Kim, Gun-Woo;Park, Chang-Seop
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.25 no.1
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    • pp.5-15
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    • 2015
  • Electronic transactions have been increasing with the development of the high-speed Internet and wireless communication. However, in recent years financial corporations and mobile carriers were attacked by hackers. And large numbers of privacy information have been leaked. In particular, in the case of credit card information can be misused in the online transaction, and the damage of this given to cardholder. To prevent these problems, it has been proposed to use a virtual card number instead of the actual card number. But it has security vulnerability and requires additional security infrastructure. In this paper, we analyzed the proposed virtual card number schemes. and we propose a new virtual credit card number scheme. In the newly proposed scheme, cardholder generates a key pair (public key/private key) and pre-register public key to the issuer. then, cardholder can pay no additional security infrastructure while still efficiently satisfy the security requirements.

Public Key based Virtual Credit Card Number Payment System for Efficient Authentication in Card Present Transaction (대면거래환경에서 효율적인 인증을 위한 공개키 기반의 가상카드번호 결제 기법)

  • Park, Chan-ho;Park, Chang-seop
    • Journal of the Korea Institute of Information Security & Cryptology
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    • v.25 no.5
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    • pp.1175-1186
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    • 2015
  • Financial fraud has been increasing along with credit card usage. Magnetic stripe cards have vulnerabilities in that credit card information is exposed in plaintext and cardholder verification is untrustworthy. So they have been replaced by a smart card scheme to provide enhanced security. Furthermore, the FinTech that combines the IT with Financial product is being prevalent. For that reason, many mobile device based payment schemes have been proposed for card present transaction. In this paper, we propose a virtual credit card number payment scheme based on public key system for efficient authentication in card present transaction. Our proposed scheme is able to authenticate efficiently in card present transaction by pre-registering virtual credit card number based on cardholder's public key without PKI. And we compare and analyze our proposed scheme with EMV.

A Study on the Development of a Virtual Card Number Generation System to Safety EC (안전한 전자상거래를 위한 가상카드번호 생성시스템의 개발에 관한 연구)

  • Choi, Joon-Kee;Lee, Jong-Kwang;Kang, Young-Chang
    • Journal of Advanced Navigation Technology
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    • v.14 no.1
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    • pp.27-32
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    • 2010
  • In this paper, we research a virtual card generation system to secure e-commerce. Network security has increased the need to meet rapidly growing trend. And the amount and quality of e-commerce expansion due to the need for secure commerce transactions has increased even more. Instead of exposing the actual credit card number, we expose a virtual card number on the network. It can prevent the risk of hacking. We proved that through various experiments.

Comparative Analysis of ViSCa Platform-based Mobile Payment Service with other Cases (스마트카드 가상화(ViSCa) 플랫폼 기반 모바일 결제 서비스 제안 및 타 사례와의 비교분석)

  • Lee, June-Yeop;Lee, Kyoung-Jun
    • Journal of Intelligence and Information Systems
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    • v.20 no.2
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    • pp.163-178
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    • 2014
  • Following research proposes "Virtualization of Smart Cards (ViSCa)" which is a security system that aims to provide a multi-device platform for the deployment of services that require a strong security protocol, both for the access & authentication and execution of its applications and focuses on analyzing Virtualization of Smart Cards (ViSCa) platform-based mobile payment service by comparing with other similar cases. At the present day, the appearance of new ICT, the diffusion of new user devices (such as smartphones, tablet PC, and so on) and the growth of internet penetration rate are creating many world-shaking services yet in the most of these applications' private information has to be shared, which means that security breaches and illegal access to that information are real threats that have to be solved. Also mobile payment service is, one of the innovative services, has same issues which are real threats for users because mobile payment service sometimes requires user identification, an authentication procedure and confidential data sharing. Thus, an extra layer of security is needed in their communication and execution protocols. The Virtualization of Smart Cards (ViSCa), concept is a holistic approach and centralized management for a security system that pursues to provide a ubiquitous multi-device platform for the arrangement of mobile payment services that demand a powerful security protocol, both for the access & authentication and execution of its applications. In this sense, Virtualization of Smart Cards (ViSCa) offers full interoperability and full access from any user device without any loss of security. The concept prevents possible attacks by third parties, guaranteeing the confidentiality of personal data, bank accounts or private financial information. The Virtualization of Smart Cards (ViSCa) concept is split in two different phases: the execution of the user authentication protocol on the user device and the cloud architecture that executes the secure application. Thus, the secure service access is guaranteed at anytime, anywhere and through any device supporting previously required security mechanisms. The security level is improved by using virtualization technology in the cloud. This virtualization technology is used terminal virtualization to virtualize smart card hardware and thrive to manage virtualized smart cards as a whole, through mobile cloud technology in Virtualization of Smart Cards (ViSCa) platform-based mobile payment service. This entire process is referred to as Smart Card as a Service (SCaaS). Virtualization of Smart Cards (ViSCa) platform-based mobile payment service virtualizes smart card, which is used as payment mean, and loads it in to the mobile cloud. Authentication takes place through application and helps log on to mobile cloud and chooses one of virtualized smart card as a payment method. To decide the scope of the research, which is comparing Virtualization of Smart Cards (ViSCa) platform-based mobile payment service with other similar cases, we categorized the prior researches' mobile payment service groups into distinct feature and service type. Both groups store credit card's data in the mobile device and settle the payment process at the offline market. By the location where the electronic financial transaction information (data) is stored, the groups can be categorized into two main service types. First is "App Method" which loads the data in the server connected to the application. Second "Mobile Card Method" stores its data in the Integrated Circuit (IC) chip, which holds financial transaction data, which is inbuilt in the mobile device secure element (SE). Through prior researches on accept factors of mobile payment service and its market environment, we came up with six key factors of comparative analysis which are economic, generality, security, convenience(ease of use), applicability and efficiency. Within the chosen group, we compared and analyzed the selected cases and Virtualization of Smart Cards (ViSCa) platform-based mobile payment service.

Aesthetic Value Reflected to Digital Virtual 3D Card Game Animation -Focused on the (디지털 가상 3D 카드게임 애니메이션에 반영된 예술적 가치 - 작품 제작 중심으로-)

  • 이선주
    • Proceedings of the Korea Contents Association Conference
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    • 2004.05a
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    • pp.575-578
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    • 2004
  • This paper will intend to find the artistic value of playing card and 3D animation that is having much skill and entertaining points through digital virtual3D card animation . And this paper will consider the popularity and explore the creative cooperation relation of skill and art.

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A Study on Applying Real Card to Online Trading Card Game (온라인 TCG 게임에의 현실 카드 적용 방안 연구)

  • Park, Jong-Il;Kim, Soo-Hong
    • Journal of Korea Game Society
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    • v.12 no.4
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    • pp.45-51
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    • 2012
  • Current virtual game interfaces cannot comprehend our metaphor, cannot reflect on our natural behavior aspect, cannot make us immerse into a game, and makes a barrier between virtual game space and our real behavior. It is very meaningful issue to use real objects tightly related to human-being's behaviors or reactions for interacting with game applications. Interactive Augmented Reality interfaces may augment users' perception of the real world by adding virtual information to it. We attempted an experiment on camera-based non-marker interface for online TCG application. This experiment uses real TCG cards which are recognized by our two phases Image KeyPoint Extraction/Matching Algorithm. These initiative experiments not only enlarge immersion and reality to the game, but also make real and virtual world seamless.

A Performance Enhancement of Java Card Virtual Machine with Multi-Transaction (다중 트랜잭션 기법을 이용한 자바 카드 가상 기계 성능 향상)

  • Noh, Tae-Heon;Lee, Dong-Wook;Jung, Min-Soo
    • Journal of Korea Multimedia Society
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    • v.12 no.1
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    • pp.41-49
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    • 2009
  • Smart Card is currently more popular in mobile communication, and smart card with java card platform becomes a standard choice. Java card has a problem that it gets lost working data when power is off. Transaction is the idea to solve a problem of data loss, but it accepts only one transaction process, and other transaction process need to hold until the current working transaction is finished. This might be a factor to drop the Java card's performance. In this paper, we define a rule of dual-lock which can run transaction at multiple transaction buffer as a method for a better java card performance, and we suggest this rule to improve a capability of transaction process. From this research, we are able to improve the data stability, reduce the java card transaction delay time, and get a higher processing speed of java card.

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