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- W2949764984 abstract "Sanitizable signature schemes $$mathcal {SSS}$$SSS enable a designated party called the sanitizer to alter admissible blocks of a signed message. This primitive can be used to remove or alter sensitive data from already signed messages without involvement of the original signer.Current state-of-the-art security definitions of $$mathcal {SSS}$$SSSs only define a weak form of security. Namely, the unforgeability, accountability and transparency definitions are not strong enough to be meaningful in certain use-cases. We identify some of these use-cases, close this gap by introducing stronger definitions, and show how to alter an existing construction to meet our desired security level. Moreover, we clarify a small yet important detail in the state-of-the-art privacy definition. Our work allows to deploy this primitive in more and different scenarios." @default.
- W2949764984 created "2019-06-27" @default.
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- W2949764984 date "2018-01-01" @default.
- W2949764984 modified "2023-09-26" @default.
- W2949764984 title "Stronger Security for Sanitizable Signatures." @default.
- W2949764984 hasPublicationYear "2018" @default.
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