Transaction system security method and apparatus
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United States of America Patent
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Sep 15, 1992
Issued Date -
N/A
app pub date -
Jul 1, 1991
filing date -
Oct 6, 1989
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An improved security system is disclosed which uses an IC card to enhance the security functions involving component authentication, user verification, user authorization and access control, protection of message secrecy and integrity, management of cryptographic keys, and auditability. Both the security method and the apparatus for embodying these functions across a total system or network using a common cryptographic architecture are disclosed. Authorization to perform these functions in the various security component device nodes in the network can be distributed to the various nodes at which they will be executed in order to personalize the use of the components.
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