Trusted-link: web-link enhancement for integrity and trustworthiness

  • Authors:
  • Shingo Orihara;Yukio Tsuruoka;Kenji Takahashi

  • Affiliations:
  • NTT Information Sharing, Tokyo, Japan;NTT Information Sharing, Tokyo, Japan;NTT Information Sharing, Tokyo, Japan

  • Venue:
  • Proceedings of the second ACM workshop on Digital identity management
  • Year:
  • 2006

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Abstract

We introduce Trusted-Link, a new framework that assures trust relationships between Web pages. With this framework, users can distinguish trustworthy pages from untrustworthy pages easily. This helps users avoid online fraud such as phishing. The ideas of Trusted-Link are as follows. (1) Add some attributes to a link (e.g. HTML anchor element), such as maximum number of traversable links or set of trusted domains. (2) Determine trust level of linked page based on trust level of current page and attributes of link. (3) Attach digital signature to the link to maintain its integrity. (4) A link has a signature verification key as its attribute to verify a signature in a linked page.In this paper, we explain the trust model of Trusted-Link compared to TLS server authentication using a PKI, and algorithms of Trusted-Link, and then, we give some consideration about its effectiveness.