Trapdoor Hash Functions and Their Applications

Giulio Malavolta
Giulio Malavolta
Tamer Mour
Tamer Mour

ADVANCES IN CRYPTOLOGY - CRYPTO 2019, PT III, pp. 3-32, 2019.

Cited by: 13|Bibtex|Views58|DOI:https://doi.org/10.1007/978-3-030-26954-8_1
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Other Links: dblp.uni-trier.de|academic.microsoft.com

Abstract:

We introduce a new primitive, called trapdoor hash functions (TDH), which are hash functions H : {0, 1}(n) -> {0, 1}(lambda) with additional trapdoor function-like properties. Specifically, given an index i is an element of [n], TDHs allow for sampling an encoding key ek (that hides i) along with a corresponding trapdoor. Furthermore, giv...More

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