Importance

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Abstract

A cryptographic coalition administrator for managing information access across multiple organizations includes a communications interface configured to communicate electronically transmit and receive information, a memory configured to store pairs of public and private cryptographic keys associated with different levels of access, and a key manager configured and connected to communicate with the interface and the memory and configured to: distribute cryptographic key sets, of public cryptographic keys and private cryptographic keys, to first and second organizations of members; determine a first group of members in the first organization to have authorization to exchange information with a second group of members in the second organization, the first and second groups sharing cryptographic parameters, and public and private cryptographic keys; and distribute a first cryptographic key set, from the cryptographic key sets, to the first group, the first group having a first sensitivity level at least as high as a second sensitivity level associated with the first cryptographic key set.

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First Claim