5 papers · 1 filter
Semi-Quantum Cryptography with Certified Deletion
Yael Tauman Kalai, Justin Raizes
Certified deletion allows a client to upload encrypted data to a server as a quantum state, then later request that the server delete their data and detect whether the server compl…
On Best-Possible One-Time Programs
Aparna Gupte, Jiahui Liu, Luowen Qian +3
One-time programs (OTPs) aim to let a user evaluate a program on a single input while revealing nothing else. Classical OTPs require hardware. Quantum measurement suggests a physic…
Proofs of No Intrusion
Vipul Goyal, Justin Raizes
A central challenge in data security is not just preventing theft, but detecting whether it has occurred. Classically, this is impossible because a perfect copy leaves no evidence.…
Quantum One-Time Programs, Revisited
Aparna Gupte, Jiahui Liu, Justin Raizes +2
One-time programs (Goldwasser, Kalai and Rothblum, CRYPTO 2008) are functions that can be run on any single input of a user's choice, but not on a second input. Classically, they a…
Secret Sharing with Certified Deletion
James Bartusek, Justin Raizes
Secret sharing allows a user to split a secret into many shares so that the secret can be recovered if, and only if, an authorized set of shares is collected. Although secret shari…