Robust Fuzzy Extractors and Authenticated Key Agreement from Close SecretsRobust Fuzzy Extractors and Authenticated Key Agreement • June 5th, 2006
Contract Type FiledJune 5th, 2006Abstract. Consider two parties holding correlated random variables W and W ′, respectively, that are within distance t of each other in some metric space. These parties wish to agree on a uniformly distributed secret key R by sending a single message over an insecure channel con- trolled by an all-powerful adversary. We consider both the keyless case, where the parties share no additional secret information, and the keyed case, where the parties share a long-term secret SK that they can use to