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Lecture Notes in Computer Science
Sanitizable signature schemes, as defined by Ateniese et al. (ESORICS 2005), allow a signer to partly delegate signing rights to another party, called the sanitizer. That is, the sanitizer is able to modify a predetermined part of the original message such that the integrity and authenticity of the unchanged part is still verifiable. Ateniese et al. identify five security requirements for such schemes (unforgeability, immutability, privacy, transparency and accountability) but do not providedoi:10.1007/978-3-642-00468-1_18 fatcat:pzgg3wu3unbjbdx2n7x7hdkll4