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Generate SHA256 signed certificates for WinRM #36668

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merged 3 commits into from
Apr 19, 2018
Merged

Generate SHA256 signed certificates for WinRM #36668

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9b90703
Generate SHA256 signed certificates
deekayen Feb 24, 2018
a2afb8f
Keep WinRM cert key length at 4096.
deekayen Feb 24, 2018
189b666
Remove WinRM cert exportpolicy setting.
deekayen Feb 24, 2018
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34 changes: 33 additions & 1 deletion examples/scripts/ConfigureRemotingForAnsible.ps1
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@
# Updated by Dag Wieërs <dag@wieers.com>
# Updated by Jordan Borean <jborean93@gmail.com>
# Updated by Erwan Quélin <erwan.quelin@gmail.com>
# Updated by David Norman <david@dkn.email>
#
# Version 1.0 - 2014-07-06
# Version 1.1 - 2014-11-11
Expand All @@ -48,6 +49,7 @@
# Version 1.5 - 2017-02-09
# Version 1.6 - 2017-04-18
# Version 1.7 - 2017-11-23
# Version 1.8 - 2018-02-23

# Support -Verbose option
[CmdletBinding()]
Expand Down Expand Up @@ -90,11 +92,15 @@ Function New-LegacySelfSignedCert
[int]$ValidDays = 1095
)

$hostnonFQDN = $env:computerName
$hostFQDN = [System.Net.Dns]::GetHostByName(($env:computerName)).Hostname
$SignatureAlgorithm = "SHA256"

$name = New-Object -COM "X509Enrollment.CX500DistinguishedName.1"
$name.Encode("CN=$SubjectName", 0)

$key = New-Object -COM "X509Enrollment.CX509PrivateKey.1"
$key.ProviderName = "Microsoft RSA SChannel Cryptographic Provider"
$key.ProviderName = "Microsoft Enhanced RSA and AES Cryptographic Provider"
$key.KeySpec = 1
$key.Length = 4096
$key.SecurityDescriptor = "D:PAI(A;;0xd01f01ff;;;SY)(A;;0xd01f01ff;;;BA)(A;;0x80120089;;;NS)"
Expand All @@ -114,7 +120,33 @@ Function New-LegacySelfSignedCert
$cert.Issuer = $cert.Subject
$cert.NotBefore = (Get-Date).AddDays(-1)
$cert.NotAfter = $cert.NotBefore.AddDays($ValidDays)

$SigOID = New-Object -ComObject X509Enrollment.CObjectId
$SigOID.InitializeFromValue(([Security.Cryptography.Oid]$SignatureAlgorithm).Value)

[string[]] $AlternativeName += $hostnonFQDN
$AlternativeName += $hostFQDN
$IAlternativeNames = New-Object -ComObject X509Enrollment.CAlternativeNames

foreach ($AN in $AlternativeName)
{
$AltName = New-Object -ComObject X509Enrollment.CAlternativeName
$AltName.InitializeFromString(0x3,$AN)
$IAlternativeNames.Add($AltName)
}

$SubjectAlternativeName = New-Object -ComObject X509Enrollment.CX509ExtensionAlternativeNames
$SubjectAlternativeName.InitializeEncode($IAlternativeNames)

[String[]]$KeyUsage = ("DigitalSignature", "KeyEncipherment")
$KeyUsageObj = New-Object -ComObject X509Enrollment.CX509ExtensionKeyUsage
$KeyUsageObj.InitializeEncode([int][Security.Cryptography.X509Certificates.X509KeyUsageFlags]($KeyUsage))
$KeyUsageObj.Critical = $true

$cert.X509Extensions.Add($KeyUsageObj)
$cert.X509Extensions.Add($ekuext)
$cert.SignatureInformation.HashAlgorithm = $SigOID
$CERT.X509Extensions.Add($SubjectAlternativeName)
$cert.Encode()

$enrollment = New-Object -COM "X509Enrollment.CX509Enrollment.1"
Expand Down