Method for delegating authorization from one entity to another through the use of session encryption keys
September 28, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesMethod of providing digital signatures Cryptographic communications system and method System for storing and distributing keys for cryptographically protected communication Initialization of cryptographic variables in an EFT/POS network with a large number of terminals Identity verification method and apparatus Public key/signature cryptosystem with enhanced digital signature certification Subscriber inventory network Hierarchical key management system Public/key date-time notary facility Teleconferencing method for a secure key management system Patent #: 5003593 InventorsAssigneeApplicationNo. 589925 filed on 09/28/1990US Classes:380/30, Public key340/5.26, Code rotating or scrambling340/5.74, Access to electrical information380/277, KEY MANAGEMENT713/157Chain or hierarchical certificatesExaminersPrimary: Gregory, Bernarr E.Attorney, Agent or FirmInternational ClassesH04L 009/30H04L 009/32 AbstractA method for delegating authorization from one entity in a distributed computing system to another for a computing session is disclosed wherein a session public/private encryption key pair is utilized for each computing session. The private encryption key is erased to terminate the computing session.Other References
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