support/install_command.ps1 in mixlib-install-3.3.1 vs support/install_command.ps1 in mixlib-install-3.3.2

@@ -27,15 +27,23 @@
     return ([System.BitConverter]::ToString($bytes)).Replace("-", "").ToLower()
   } Finally { if (($c -ne $null) -and ($c.GetType().GetMethod("Dispose") -ne $null)) { $c.Dispose() }; if ($in -ne $null) { $in.Dispose() } }
 }
 
 function Get-SHA256Converter {
-  if($PSVersionTable.PSEdition -eq 'Core') {
-    [System.Security.Cryptography.SHA256]::Create()
+  if (Is-FIPS) {
+    New-Object -TypeName Security.Cryptography.SHA256Cng
+  } else {
+    if($PSVersionTable.PSEdition -eq 'Core') {
+      [System.Security.Cryptography.SHA256]::Create()
+    }
+    else {
+      New-Object -TypeName Security.Cryptography.SHA256Managed
+    }
   }
-  else {
-    New-Object -TypeName Security.Cryptography.SHA256Managed
-  }
+}
+
+function Is-FIPS {
+  (Get-ItemProperty HKLM:\SYSTEM\CurrentControlSet\Control\Lsa\FipsAlgorithmPolicy).Enabled
 }
 
 Function Download-Chef($url, $sha256, $dst) {
   Log "Downloading package from $url"
   Get-WebContent $url $dst