US 6,192,130 B1 · Information security subscriber trust authority transfer system with private key history transfer

Abstract

A first trusted authority, such as an originating certification authority, that stores key history data, such as private decryption keys for one or more subscribers, includes a key history exportation engine operative to generate a security key history exportation packet. The security key history exportation packet contains at least encrypted security key history data uniquely associated with a subscriber. A second trusted authority, such as a destination certification authority, includes a security key history importation engine operative to decrypt the security key history exportation packet. The retrieved security key history data then is stored and made accessible through the second trust authority for later access by the subscriber. The second trusted authority serves as a new trust anchor instead of the first trust authority.

Claims40

Dependent claims

An information security subscriber trust authority transfer system comprising:

at least a first trusted authority having a security key history exportation engine operative to generate a security key history exportation packet containing at least encrypted security key history data uniquely associated with a subscriber;
and
at least a second trusted authority having a security key history importation engine operative to decrypt the security key history exportation packet and store retrieved security key history data for later access by the subscriber.

Dependencies are inferred from the claim text.

Information security subscriber trust authority transfer system with private key history transfer

Life of this patent

Information security subscriber trust authority transfer system with private key history transfer

Life of this patent

Abstract

Claims40