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Basically, this property prevents that one can link sanitized message-signature pairs of the same document, thus allowing to deduce combined information about the original document.
Sanitizable signatures allow a designated party, called the sanitizer, to modify parts of signed data such that the immutable parts can still be verified ...
We present the first efficient instantiation of unlinkable sanitizable signatures. Our construction is based on a novel type of signature schemes with re- ...
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Fully-fledged sanitizable signatures satisfy immutability, unlinkability, strong proof-restricted transparency, strong invisibility, and strong accountability.
Here we discuss that a sixth property of sanitizable signature schemes may be desirable: unlinkability. Basically, this property prevents that one can link ...
Apr 6, 2019 · We construct (non-accountable) invisible and unlinkable sanitizable signatures from signatures on equivalence classes and other basic primitives.
Abstract. Sanitizable signatures allow a designated party, called the sanitizer, to modify parts of signed data such that the immutable parts can still be ...
In this work, we propose an unlinkable policy-based sanitizable signature scheme (UP3S) where we employ a rerandomizable digital signature scheme and a ...
Definition 4 (Strengthened Unlinkability following Brzuska et al.). A sanitizable signature scheme SanSig is unlinkable, if for any efficient algorithm A.
Sanitizable signatures allow for controlled modification of signed data. The essential security requirements are accountability, privacy and unlinkability.