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Bonsai Trees (or, Arboriculture in Lattice-Based Cryptography)
We introduce bonsai trees, a lattice-based cryptographic primitive that we apply to resolve some important open problems in the area. Applications of bonsai trees include: • An efficient, stateless ‘hash-and-sign’ signature scheme in the standard model (i.e., no random oracles), and • The first hierarchical identity-based encryption (HIBE) scheme (also in the standard model) that does not rely ...
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ژورنال
عنوان ژورنال: Nature
سال: 1909
ISSN: 0028-0836,1476-4687
DOI: 10.1038/080325a0