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Lecture Notes in Computer Science
Sanitizable signatures allow a designated party, called the sanitizer, to modify parts of signed data such that the immutable parts can still be verified with respect to the original signer. Ateniese et al. (ES-ORICS 2005) discuss five security properties for such signature schemes: unforgeability, immutability, privacy, transparency and accountability. These notions have been formalized in a recent work by Brzuska et al. (PKC 2009), discussing also the relationships among the security notions.doi:10.1007/978-3-642-13013-7_26 fatcat:tm72x4fkyzcwbc6bwbxizzsoae