Name
Abstract | ||
|---|---|---|
Sanitizable signatures are a variant of signatures which allow a single, and signer-defined, sanitizer to modify signed messages in a controlled way without invalidating the respective signature. They turned out to be a versatile primitive, proven by different variants and extensions, e.g., allowing multiple sanitizers or adding new sanitizers oneby-one. However, existing constructions are very restricted regarding their flexibility in specifying potential sanitizers. We propose a different and more powerful approach: Instead of using sanitizers' public keys directly, we assign attributes to them. Sanitizing is then based on policies, i.e., access structures defined over attributes. A sanitizer can sanitize, if, and only if, it holds a secret key to attributes satisfying the policy associated to a signature, while offering full-scale accountability. |
Year | DOI | Venue |
|---|---|---|
2019 | 10.1007/978-3-030-40186-3_23 | TOPICS IN CRYPTOLOGY, CT-RSA 2020 |
DocType | Volume | ISSN |
Journal | 12006 | 0302-9743 |
Citations | PageRank | References |
2 | 0.37 | 0 |
Authors | ||
2 | ||
Name | Order | Citations | PageRank |
|---|---|---|---|
| Samelin, K. | 1 | 148 | 12.46 |
| Daniel Slamanig | 2 | 279 | 32.37 |