Importance

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Abstract

A method and apparatus, such as a secure distribution server, receives encrypted information from a sender, wherein the encrypted information is for transmission to a plurality of intended recipients. In addition to the encrypted information, the method includes receiving an encrypted secret key that is encrypted using a public key associated with the secure distribution server. The method and apparatus decrypts the encrypted secret key to produce a decrypted secret key. The method and apparatus then obtains a public key associated with one or more delegates of the intended recipient(s), sender(s) or other entity and encrypts the decrypted secret key with the corresponding public key of at least one delegate (or each of a plurality of delegates) associated with the intended recipient(s) or sender(s) to produce at least one delegate-specific secure secret key (or plurality of delegate-specific secure secret keys). The method and apparatus then forwards the received encrypted information sent by the sender and also sends at least one delegate-specific secure secret key to a corresponding delegate of the intended recipient(s) or sender(s).

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First Claim