Electrical computers and digital processing systems: support – Multiple computer communication using cryptography – Protection at a particular protocol layer
Patent
1998-01-08
2000-05-02
Coulter, Kenneth
Electrical computers and digital processing systems: support
Multiple computer communication using cryptography
Protection at a particular protocol layer
G06F 1214
Patent
active
060584807
ABSTRACT:
A system and method are disclosed for authenticating users and services communicating over an insecure network. Each user and service has a pass-phrase used for authentication. However, the pass-phrases are not revealed during the authentication process as challenge-response techniques are used to keep the pass-phrase secret. In addition, the users and services do not need to know nor do they learn each other's pass-phrases making the process usefuil in a distributed environment. Pass-phrases are known by an authentication entity with which the service communicates to authenticate both users and services. Users may have identities in and services may support a number of realms, each of which may be viewed as large collection of users (e.g., CompuServe.com). Users choose the realm in which they would like to be authenticated. In one embodiment of the present invention, the system and method are adapted for use with the HyperText Transfer Protocol of the World Wide Web so that secure transactions may be accomplished between users and services communicating via the Internet.
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Molva, et al., Krypto Knight Authentication and Key Distribution System, 20 pages.
Coulter Kenneth
Cranberry Properties LLC
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