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Add -KeyUsage that includes CertSign and change OIDs to use Extended … #10302

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Sep 17, 2019
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Add -KeyUsage that includes CertSign and change OIDs to use Extended … #10302

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Add -KeyUsage that includes CertSign and change OIDs to use Extended …
roger-cruz Feb 4, 2019
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mairaw Sep 16, 2019
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Merge branch 'master' into patch-6
mairaw Sep 16, 2019
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2 changes: 1 addition & 1 deletion ...ture-details/how-to-create-temporary-certificates-for-use-during-development.md
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Expand Up @@ -22,7 +22,7 @@ When developing a secure service or client using Windows Communication Foundatio
The following command creates a self-signed certificate with a subject name of "RootCA" in the Current User Personal store.

```powershell
$rootCert = New-SelfSignedCertificate -CertStoreLocation cert:\CurrentUser\My -DnsName "RootCA" -TextExtension @("2.5.29.37={text}1.3.6.1.5.5.7.3.1,1.3.6.1.5.5.7.3.2") -KeyUsage CertSign,DigitalSignature
$rootcert = New-SelfSignedCertificate -CertStoreLocation Cert:\CurrentUser\My -DnsName "RootCA" -TextExtension @("2.5.29.19={text}CA=true") -KeyUsage CertSign,CrlSign,DigitalSignature
```

We need to export the certificate to a PFX file so that it can be imported to where it's needed in a later step. When exporting a certificate with the private key, a password is needed to protect it. We save the password in a `SecureString` and use the [Export-PfxCertificate](/powershell/module/pkiclient/export-pfxcertificate) cmdlet to export the certificate with the associated private key to a PFX file. We also save just the public certificate into a CRT file using the [Export-Certificate](/powershell/module/pkiclient/export-certificate) cmdlet.
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