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Definition Edit


ensures that a user may make multiple uses of resources or services without others being able to link these uses together. . . . Unlinkability requires that users and/or subjects are unable to determine whether the same user caused certain specific operations in the system.[1]

Overview Edit

"Within a particular set of information, the inability of an observer or attacker to distinguish whether two items of interest are related or not (with a high enough degree of probability to be useful to the observer or attacker)."[2]

References Edit

  1. ISO, “Common Criteria for Information Technology Security Evaluation” (ISO/IEC 15408) (1999).
  2. Privacy Considerations for Internet Protocols, at 8.

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