Efficient Sanitizable Signatures without Random Oracles (Full Version)

Abstract

Sanitizable signatures, introduced by Ateniese et al. (ESORICS ’05), allow the signer to delegate the sanitization right of signed messages. The sanitizer can modify the message and update the signature accordingly, so that the sanitized part of the message is kept private. For a stronger protection of sensitive information, it is desirable that no one can… (More)

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