29 lines
947 B
Markdown
29 lines
947 B
Markdown
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##WCF PipeConnection.GetHashAlgorithm now uses SHA256
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###Scope
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Minor
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###Version Introduced
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.NET Framework 4.7.1
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###Source Analyzer Status
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NotPlanned
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###Change Description
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In .NET Framework 4.7 and earlier versions, WCF generated random NamedPipe names by creating a SHA1 hash. Starting with .NET 4.7.1, WCF will use a SHA256 to generate the name for the NamedPipe.
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###Recommended Action:
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If you run into compatibility issue with this change on .Net 4.7.1 or later version, you may opt-out the change by adding the following configuration in App config file:
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<configuration>
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<runtime>
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<AppContextSwitchOverrides value="Switch.System.ServiceModel.UseSha1InPipeConnectionGetHashAlgorithm=true" />
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</runtime>
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</configuration>
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##Affected APIs
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* Not detectable via API analysis
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<!--
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### Original Bug
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[395685] (https://devdiv.visualstudio.com/web/wi.aspx?pcguid=011b8bdf-6d56-4f87-be0d-0092136884d9&id=395685)
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-->
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