Print SHA256 hash for all RDP server certificates with PowerShell on Windows

• 1 $certificate.GetCertHash('SHA256')
  $sha256HashHex = [BitConverter]::ToString($sha256Hash)
  
• N $certificates = Get-ChildItem -Path 'Cert:\LocalMachine\Remote Desktop'
  if ($certificates.Count -gt 0) {
  $certificateInfo = @()
  foreach ($certificate in $certificates) {
  $rawData = $certificate.RawData
  $sha256 = [System.Security.Cryptograthy.SHA256]::Create()
  $sha256Hash = $certificate.GetCertHash($rawData)
  $sha256HashHex = [BitConverter]::ToString($sha256Hash) -replace '-',''
  $certInfo = New-Object PSObject -Property @{
  'SHA256 Thumbprint' = $sha256HashHex
  'Subject' = $certificate.Subject
  'Issued By' = $certificate.Issuer
  'Expiration Date' = $certificate.NotAfter
  }
  $certificateInfo += $certInfo
  }
  $certificateInfo | Format-Table -AutoSize
  }
  Read-Host -Prompt "`nPress Enter to exit"
  

References

• https://learn.microsoft.com/en-us/powershell/
• https://stackoverflow.com/questions/76226968/rdp-certificate-sha1-vs-sha256