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In 2008, Izu et al. introduced a concept of the sanitizable and deletable signature as a combination of the sanitizable signature and the deletable signature in which the partial information (e.g. privacy information) can be sanitized or deleted with keeping the integrity of disclosed parts. They also constructed two concrete sanitizable and deletable signature schemes SDS1 and SDS2. based on the...
The sanitizable signature attracts much attention since it allows to modify the original document for hiding partial information with keeping the validity of the signature and the integrity of unmodified parts of the document. The sanitizable signature is quite useful in governmental or military offices where there is a dilemma between is closure laws for public documents and privacy or diplomatic...
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