Generic interactive challenges in a distributed system

Details Generic interactive challenges in a distributed system Generic interactive challenges in a distributed system

2011-05-17

2011-05-17

Zand, Kambiz (Department: 2434)

Information security

Access control or authentication

Network

Reexamination Certificate

active

07945950

ABSTRACT:
A challenge mechanism in which a challenge is issued from one message processor to another. In generating the challenge, the message processor may select any one or more of a number of available interactive challenge types, where each type of challenge type might use different user-originated information. Upon receiving the challenge, the challengee message processor may identify the challenge type based on information provided in the challenge, and perform different actions depending on the challenge type. The challengee message processor then generates an appropriate challenge response, and issues that challenge response to the challenger message processor. The challenger message processor may then validate the challenge response.

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