현대 사회는 정보화 사회로써 가치있는 많은 정보들이 온라인상에서 송수신되고 있다. 특히, 무선 통신을 기반으로 하는 모바일 환경은 유선 통신에 비해 유연한 특징을 가지고 급속도로 발전하고 있지만, 모바일 환경의 발전과 함께 민감한 정보들이 온라인상에 노출되면서 보안에 대한 요구가 증가하게 되었다. 따라서 신뢰 컴퓨팅을 표준화 하고 있는 TCG(Trusted Computing Group)는 모바일 환경의 보안을 위해 하드웨어 기반의 보안 모듈인 MTM(Mobile Trusted Module)을 제안하였다. MTM은 플랫폼에 임베디드되어 사용자 프라이버시와 플랫폼 무결성을 보호하고 물리적으로 안전하지만 강한 보안 기능을 제공하는 만큼 비밀 데이터를 다른 곳으로 이전할 때 보안적인 접근이 요구된다. 본 논문에서는 TCG의 표준 및 기존에 연구된 비밀 데이터 이전 방안에 대해 분석하고, 사용자 인증모듈인 USIM(Universal Subscriber Identity Module)을 사용한 안전한 비밀 데이터 유지 방안을 제안한다.
KSP Keywords
Mobile platform, Mobile trusted module, Subscriber identity module, Trusted computing group(TCG)
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