Refer to https://docs.microsoft.com/en-us/azure/vpn-gateway/vpn-gateway-certificates-point-to-site
Root certificate:
$cert = New-SelfSignedCertificate -Type Custom -KeySpec Signature `
-Subject “CN=TestDate” -KeyExportPolicy Exportable `
-HashAlgorithm sha256 -KeyLength 2048 `
-CertStoreLocation “Cert:\CurrentUser\My” -KeyUsageProperty Sign -KeyUsage CertSign -NotAfter (Get-Date).AddYears(3)
Client certificate:
New-SelfSignedCertificate -Type Custom -DnsName P2SChildCert -KeySpec Signature `
-Subject “CN=Mclient” -KeyExportPolicy Exportable `
-HashAlgorithm sha256 -KeyLength 2048 `
-CertStoreLocation “Cert:\CurrentUser\My” `
-Signer $cert -TextExtension @(“2.5.29.37={text}1.3.6.1.5.5.7.3.2”)
