Framework-based cryptographic key recovery system
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United States of America Patent
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Jan 1, 2002
Grant Date -
N/A
app pub date -
Nov 14, 1997
filing date -
May 23, 1997
priority date (Note) -
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Abstract
A Secure Key Management Framework (SKMF) defines an infrastructure for a complete set of cryptographic services augmented with key recovery enablement. There are three major layers--the application layer invokes the SKMF layer, while the SKMF layer invokes the service provider (SP) layer. The application layer code invokes the cryptographic API and key-recovery API supported by the SKMF. Multiple key recovery mechanisms and cryptographic mechanisms can be implemented as service providers that log-in underneath the framework using the well-defined service provider interfaces provided by the framework. The SKMF implements the supported ATP calls by making appropriate invocations of the service provider modules using the SPIs.
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