• 제목/요약/키워드: Advanced type

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New Type of Collision Attack on First-Order Masked AESs

  • Kim, Hee Seok;Hong, Seokhie
    • ETRI Journal
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    • 제38권2호
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    • pp.387-396
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    • 2016
  • This paper introduces a new type of collision attack on first-order masked Advanced Encryption Standards. This attack is a known-plaintext attack, while the existing collision attacks are chosen-plaintext attacks. In addition, our method requires significantly fewer power measurements than any second-order differential power analysis or existing collision attacks.

차세대전동차시스템 차량실내외 디자인시안 연구 (A study on tentative plan of the vehicle's indoor and outdoor design in advanced EMU system)

  • 박성혁;오세찬;이한민;정석호
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2007년도 춘계학술대회 논문집
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    • pp.710-714
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    • 2007
  • This paper proposed outdoor and indoor design concepts of vehicle based on the characteristics of advanced EMU which are safety, efficiency, high technology. Especially, two types of design concept, rush hour type and non-rush hour type, were presented for considering of various traffic conditions.

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Exchange Coupling of FerromagneticlAntiferrmagnetic through Nonmagnetic Layer in Antiferromagnetic

  • Kim Jong-Min;Kim Young-Sung
    • 한국자기학회:학술대회 개요집
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    • 한국자기학회 2004년도 동계학술연구발표회 논문개요집
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    • pp.200-201
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    • 2004
  • The $H_{EB}$ was investigated for exchange coupling $20\;{\AA}\;Fe/x\;{\AA}\;NiO\;(type-I samples)$, $20\;{\AA}\;Fe/x\;{\AA}$ nonmagnetic layer $(MgO, Ag, Cu)/(500-x{\AA})$ NiO (type-II smaples). In type-I samples, the $H_{EB}$ is long-range coupling when looking from the point of view of the AFM. The $H_{EB}$ consistent with a generalized Meiklejohn-Bean approach. The critical thickness, which $H_{EB}$ is observed, is $130\;{\AA}$. In type-II samples, MgO layer more decouples the thin interfacial NiO from bottom NiO than other nonmagnetic layer. Nd the decoupling of Ag smallest. This means that the Ag layer has strong coupling the thin interfacial NiO with bottom NiO.

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