1 nist nwhin testbed. 2 what's nwhin the nationwide health information network is a set of...
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NIST NwHIN Testbed
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What's NwHIN
The nationwide health information network is a set of standards, services and policies that enable secure health information exchange over the internet.
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Purpose
To provide testing tools for NwHIN Specifications.
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Specifications
Authorization Framework Production Specification V1.0– SAML, CERTS
Messaging Platform Production Specification V2.0– SAML
Patient Discovery Production Specification V1.0– IHE_XCPD
Query for Documents Production Specification V2.0– IHE_XCA
Retrieve Documents Production Specification V2.0– IHE_XCA
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Tool Support for Specs
Make NIST tools available for testing
Started with the 3 distinct toolsXD* toolsPix/Pdq toolCDA Validator
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Support for Specs
Our tools worked at document and message level
Tooling failed because of soap header requirementsLack of SAML support.
Validated messages from Log files
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Initial Approach to Improving theTools
Add SAML to the IHE Pix/Pdq and XD* tools Keep them as separate tools.
Some Problems
Difficulty with maintaining tools in two locations.Need to modify some of the tools for gateway testing.
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NIST XD* Tools
StrengthsQuery SupportRetrieve SupportHTTP, SOAP support
WeaknessMissing SAML
NIST IHE Pix/Pdq Tool
Weakness Missing SAML, Fragile Soap Handler
StrengthsXCPD MessageType SupportPRPA_IN201305UV02PRPA_IN201306UV02
Tool Review
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Current Approach
Combine what we have into one testbed.
Expanding the XD* tooling framework into aNHIN tooling testbed.
Use What We Have
Using the message validator from IHE Pix/Pdq tool.
Take advantage of the XD* infrastructure
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What's Done Now
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Next area of focus is xcpd simulators
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Find Patients Simulator
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SAML Tool
Tool being developed by a contractor, Metrix Technologies
•Message Validator with SAML option
•Simulator with SAML option.
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SAML Tool
Tool being developed by Contractor Matrix
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SAML Validator Output
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Initial Focus is Validation
Insert assertion graphic as example of whats tested.Keep it focused
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Rampart used in Simulators
Rampart work is just starting.
Rampart handles the digital signatures but the assertion Rules need to be done by hand.
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Benefits For NIST
Leverage what we haveReduce development timeBetter tool support
Benefits For Users
One place for security checksUnified look and feelXD* tool currently used by NwHIN
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Team Members
Diane Azais - NIST Guest ResearcherPatient Discovery Standards Analyst, Use Case Developer
Mary Laamanen - NIST Computer ScientistPatient Discovery and CDA Validation Implementor
Bill Majurski – NIST Electronics EngineerToolbed Architect
Gavin O'Brien – NIST Computer ScientistProject Lead, SAML Tooling
Linan Wang – NIST Guest ResearcherPatient Discovery Simulation Implementor