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고교재학중CCNP네트워크국제자격증을취득하였고,각종IT관련활동성과를인정받아‘21세기를이끌우수인재대통령상’을수상하였다.뉴욕주립대(StonyBrookUniversity)에서컴퓨터공학학사학위와무선통신연구로전자공학석사학위를취득했다.이후한국전자통신연구원(ETRI)에입사하여SDN/NFV기반신뢰네트워크연구및블록체인기반플랫폼연구업무를수행하였다.현재는ETRI블록체인기술연구센터소속으로SSI(Self-SovereignIdentity)를이용한신원인증연구를진행중이며,카이스트정보보안관련연구실에서일과병행하며박사과정을수학하고있다.
1.CHAPTER1SSI개요_11.1오늘날의ID인증21.1.1신분증31.1.2SSO61.1.3디지털인증서91.2SSI인증231.2.1블록체인기초231.2.2SSI특징261.2.3SSI구성요소311.3하이퍼레저SSI프로젝트32CHAPTER2DID&DIDdocument_352.1DID352.2DIDDocument402.2.1id422.2.2publicKey&authentication432.2.3service522.2.4@context542.3DIDdereference602.4DIDAuth642.5DIDdeactivation672.6DIDresolver682.6.1DIDresolution702.6.2DIDregistrar762.7DID장을마치며…77CHAPTER3VC&VP_793.1VC데이터모델803.2VC구성요소843.2.1@context853.2.2type893.2.3id903.2.4issuer913.2.5issuanceDate&expirationDate913.2.6credentialStatus923.2.7credentialSubject933.2.8proof943.2.9AdvancedConcepts963.3VP데이터모델993.4VP구성요소1013.5VC폐기102CHAPTER4SSI인증시나리오_1074.1DID생성및등록1084.2VC발급요청1114.3VP검증요청114CHAPTER5PeerDID_1195.1PeerDID생성1215.2PeerDIDdocument1245.2.1publicKey1275.2.2authorization1295.2.3service1335.2.4authentication1345.3BackingStorage1355.3.1CRDT1375.4PeerDID프로토콜1415.4.1Create1425.4.2Read1455.4.3Update1465.4.4Deactivate149CHAPTER6SSI플랫폼분석_1516.1Hyperledgerindy-node1526.1.1합의알고리즘1546.1.2블록체인원장1786.2Hyperledgerindy-sdk1906.2.1DID및DIDdocument생성1906.2.2DIDdocument업데이트1926.2.3Schema및CredentialDefinition생성1946.2.4VCRevocationRegistry생성및VC폐기1956.2.5VC생성및발급1976.2.6VP생성및검증1996.2.7Indy-sdk샘플코드분석2016.2.8ZKPVC/VP데이터처리흐름2306.3HyperledgerAries235찾아보기239
식별자와인증수단으로사용되는DID와신분증으로사용되는VC구조및기능을분석하고,SSI데이터처리흐름을파악하며,SSI기능구현을위해개발중인하이퍼레저인디블록체인플랫폼을해부한다!오늘날우리는발전된과학기술에둘러싸여편리한삶을누리고있습니다.하지만우리삶에굉장히중요한요소중하나는이전시대부터별다른변화없이그대로사용되고있습니다.무엇일까요?바로ID(IDentity)기술입니다.ID의속성은이름,나이,성별등일반적인정보뿐만아니라취미,좋아하는음식,특정인과의관계등자신과관련된모든정보가될수있습니다.하지만현재우리가사용하는ID는우리자신을매우한정된정보로만표현하고있으며,이외에도현재의ID기술은많은제약사항이존재합니다.DID나VC와같은SSI(Self-SovereignIdentity)기술은블록체인을활용해이러한문제점들을해결하고있으며,특히최근들어국내외정부기관및여러기업으로부터주목받고있는기술입니다.이책의대상독자●신분증발행및검증기술에관심있는정부및공공기관종사자●SSI플랫폼사업에관심있는기업종사자●새로운ID기술에관심있는IT전공학생및개발자