Hedging Public-Key Encryption in the Real World

Christopher Patton
Christopher Patton

ADVANCES IN CRYPTOLOGY - CRYPTO 2017, PT III, pp. 462-494, 2017.

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Abstract:

Hedged PKE schemes are designed to provide useful security when the per-message randomness fails to be uniform, say, due to faulty implementations or adversarial actions. A simple and elegant theoretical approach to building such schemes works like this: Synthesize fresh random bits by hashing all of the encryption inputs, and use the res...More

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