Decentralized management of One-Time Pad key material for a group

Jeroen van de Graaf

Suppose a group of users share copies of a large file of truly random bits, possibly distributed through portable USB sticks or external hard drives. In this note we present a randomized, distributed key management scheme allowing these users to use this file as a One-Time Pad key, without fear of two users using the same key material twice.

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Biblioteca Digital Brasileira de Computação - Contato:
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