[英]Setting a CA Certificate, with specific Enabled Purposes, using PowerShell
如何使用 PowerShell 在相關 Windows 證書存儲中以編程方式更改證書頒發機構的啟用目的?
這可以在證書 MMC 管理單元中執行
這是否只能根據 StackOverflow 使用帶有CertSetCertificateContextProperty
的 P/Invoke :如何設置證書用途? {C#}
理想情況下,我想導入一個自定義的受信任的根證書頒發機構,並且僅出於客戶端身份驗證的目的啟用它。
以CertSetCertificateContextProperty
為核心的 PowerShell Cmdlet。 感謝Crypt32和他們在另一篇文章中的回答以獲得指導。
示例用法:
Set-CertificateEku -StoreLocation 'CurrentUser' -StoreName 'Root' -CertificateThumbprint 'ffffffffffffffffffffffffffffffffffffffff' -Oids @("1.3.6.1.5.5.7.3.2") # Client Authentication
Function Set-CertificateEku {
[CmdletBinding()]
Param(
[Parameter(Mandatory)]
[ValidateSet('CurrentUser', 'LocalMachine')]
$StoreLocation,
[Parameter(Mandatory)]
$StoreName,
[Parameter(Mandatory)]
$CertificateThumbprint,
[Parameter(Mandatory)]
$Oids
)
$StoreLocation = switch($StoreLocation) {
'CurrentUser' {
[System.Security.Cryptography.X509Certificates.StoreLocation]::CurrentUser
}
'LocalMachine' {
[System.Security.Cryptography.X509Certificates.StoreLocation]::LocalMachine
}
}
try {
$CertificateStore = [System.Security.Cryptography.X509Certificates.X509Store]::new($StoreName, $StoreLocation)
$CertificateStore.Open([System.Security.Cryptography.X509Certificates.OpenFlags]::ReadWrite -bor [System.Security.Cryptography.X509Certificates.OpenFlags]::OpenExistingOnly)
} catch {
Write-Error "Could not Open Certificate Store $StoreName in $StoreLocation"
return $false
}
$Certificates = $CertificateStore.Certificates.Find(
[System.Security.Cryptography.X509Certificates.X509FindType]::FindByThumbprint,
$CertificateThumbprint,
$false
)
if($Certificates.Count -eq 0) {
Write-Error "Could not find Certificate $CertificateThumbprint in $StoreName in $StoreLocation"
return $false
}
$Certificate = $Certificates[0]
$PKICrypt32 = @"
[DllImport("Crypt32.dll", SetLastError = true, CharSet = CharSet.Auto)]
public static extern bool CertSetCertificateContextProperty(
IntPtr pCertContext,
uint dwPropId,
uint dwFlags,
IntPtr pvData
);
[StructLayout(LayoutKind.Sequential, CharSet=CharSet.Unicode)]
public struct CRYPTOAPI_BLOB {
public uint cbData;
public IntPtr pbData;
}
"@
Add-Type -MemberDefinition $PKICrypt32 -Namespace 'PKI' -Name 'Crypt32'
$OIDs = [Security.Cryptography.OidCollection]::new()
foreach($Oid in $Oids) {
[void]$OIDs.Add([Security.Cryptography.Oid]::new($Oid))
}
$EKU = [Security.Cryptography.X509Certificates.X509EnhancedKeyUsageExtension]::new($OIDs, $false)
$pbData = [Runtime.InteropServices.Marshal]::AllocHGlobal($EKU.RawData.Length)
[Runtime.InteropServices.Marshal]::Copy($EKU.RawData, 0, $pbData, $EKU.RawData.Length)
$Blob = New-Object PKI.Crypt32+CRYPTOAPI_BLOB -Property @{
cbData = $EKU.RawData.Length;
pbData = $pbData;
}
$pvData = [Runtime.InteropServices.Marshal]::AllocHGlobal([Runtime.InteropServices.Marshal]::SizeOf([type][PKI.Crypt32+CRYPTOAPI_BLOB]))
[Runtime.InteropServices.Marshal]::StructureToPtr($Blob, $pvData, $false)
$Result = [PKI.Crypt32]::CertSetCertificateContextProperty($Certificate.Handle, 9, 0, $pvData)
[Runtime.InteropServices.Marshal]::FreeHGlobal($pvData)
[Runtime.InteropServices.Marshal]::FreeHGlobal($pbData)
$CertificateStore.Close()
return $Result
}
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