Validating IGE mode of block cipher from quantum adversariesIGE 모드를 사용한 블록암호의 양자 안전성

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dc.contributor.advisorKim, Kwangjo-
dc.contributor.advisor김광조-
dc.contributor.authorKim, Sungsook-
dc.date.accessioned2019-09-04T02:45:54Z-
dc.date.available2019-09-04T02:45:54Z-
dc.date.issued2018-
dc.identifier.urihttp://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=734074&flag=dissertationen_US
dc.identifier.urihttp://hdl.handle.net/10203/267004-
dc.description학위논문(석사) - 한국과학기술원 : 전산학부, 2018.2,[iv, 36 p. :]-
dc.description.abstractThe Telegram which is a very popular messenger uses a special mode called IGE(Infinite Garble Extension). IGE mode is not included in standard mode of operation recommended by National Institute of Standards and Technology(NIST) in 2001. Block cipher encrypts fixed length of plaintext into the corresponding fixed-length of ciphertext using a secret key shared by two parties and utilizes lots of mode of operation for various length of plaintext. Even though Telegram uses non-standard IGE mode, Telegram is claimed to be secure and demonstrate their security is stronger than other IM's. Thus, we need to verify the security of IGE mode depending on underlying block ciphers. In this paper, we show that IGE mode block cipher used in Telegram assuming sPRF is not IND-qCPA, but assuming qPRF is IND-qCPA.-
dc.languageeng-
dc.publisher한국과학기술원-
dc.subjectPost-quantum cryptography▼aInfinite Garble Extension(IGE) mode▼aTelegram▼aIND-qCPA-
dc.subject양자 내성암호▼a양자 컴퓨터▼aIGE 모드▼a블록암호▼a양자 선택평문공격에 대한 비구별성-
dc.titleValidating IGE mode of block cipher from quantum adversaries-
dc.title.alternativeIGE 모드를 사용한 블록암호의 양자 안전성-
dc.typeThesis(Master)-
dc.identifier.CNRN325007-
dc.description.department한국과학기술원 :전산학부,-
dc.contributor.alternativeauthor김성숙-
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CS-Theses_Master(석사논문)
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