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Public-Key Encryption with Quantum Keys
Khashayar Barooti, Alex B. Grilo, Loïs Huguenin-Dumittan +4
In the framework of Impagliazzo's five worlds, a distinction is often made between two worlds, one where public-key encryption exists (Cryptomania), and one in which only one-way f…
Weakening Assumptions for Publicly-Verifiable Deletion
James Bartusek, Dakshita Khurana, Giulio Malavolta +2
We develop a simple compiler that generically adds publicly-verifiable deletion to a variety of cryptosystems. Our compiler only makes use of one-way functions (or one-way state ge…
Robust Quantum Public-Key Encryption with Applications to Quantum Key Distribution
Giulio Malavolta, Michael Walter
Quantum key distribution (QKD) allows Alice and Bob to agree on a shared secret key, while communicating over a public (untrusted) quantum channel. Compared to classical key exchan…
A Simple Construction of Quantum Public-Key Encryption from Quantum-Secure One-Way Functions
Khashayar Barooti, Giulio Malavolta, Michael Walter
Quantum public-key encryption [Gottesman; Kawachi et al., Eurocrypt'05] generalizes public-key encryption (PKE) by allowing the public keys to be quantum states. Prior work indicat…