• DocumentCode
    2574254
  • Title

    Relationship of three cryptographic channels in the UC framework

  • Author

    Okamoto, Tatsuaki

  • Author_Institution
    NTT Labs., Nippon Telegraph & Telephone Corp., Kanagawa
  • fYear
    2005
  • fDate
    19-19 Oct. 2005
  • Firstpage
    73
  • Lastpage
    73
  • Abstract
    This paper shows that three cryptographic channels, secure channels (SC), anonymous channels (AC) and direction-indeterminable channels (DIC), are reduced to each other in the UC (universally composable) framework. We first define ideal functionalities for these channels, FSC, FAC and FDIC. We then prove that a SC protocol UC-realizes FSC in the FDIC -hybrid model, that a DIC protocol UC-realizes FDIC in the FAC-hybrid model, and that a AC protocol UC-realizes F AC-hybrid model in the FSC-hybrid model
  • Keywords
    cryptography; protocols; anonymous channel protocol; cryptographic channel; direction-indeterminable channel protocol; hybrid model; secure channel protocol; universally composable framework; Algorithms; Cryptographic protocols; Cryptography; Laboratories; Telegraphy; Telephony;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Theory and Practice in Information-Theoretic Security, 2005. IEEE Information Theory Workshop on
  • Conference_Location
    Awaji Island
  • Print_ISBN
    0-7803-9491-7
  • Type

    conf

  • DOI
    10.1109/ITWTPI.2005.1543960
  • Filename
    1543960