METHOD AND APPARATUS FOR PROVIDING FOR THE RECOVERY OF A CRYPTOGRAPHIC KEY

The method for providing for recovery of a cryptographic key using a number of cooperating key recovery agents comprises generating a number of shared key recovery values such that the key may be regenerated from the shared key recovery values without requiring additional non-public information. The...

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Bibliographische Detailangaben
Hauptverfasser:	SAFFORD, DAVID ROBERT, JOHNSON, DONALD BYRON, KAUFMAN, CHARLES WILLIAM JR, ZUNIC, NEVENKO, KARGER, PAUL ASHLEY, MATYAS, STEPHEN MICHAEL JR, YUNG, MARCEL MORDECHAY
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING CODING OR CIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHERPURPOSES INVOLVING THE NEED FOR SECRECY CRYPTOGRAPHY DISPLAY EDUCATION ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY JAMMING OF COMMUNICATION PHYSICS SEALS SECRET COMMUNICATION TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	The method for providing for recovery of a cryptographic key using a number of cooperating key recovery agents comprises generating a number of shared key recovery values such that the key may be regenerated from the shared key recovery values without requiring additional non-public information. The shared recovery values are made available to the key recovery agents to enable recovery of the key. A pair of communicating parties use the cryptographic key to communicate, and the key is set by one party and sent to the ther one. Alternatively the key may be set by both parties acting together.