Merge pull request Azure#2790 from cormacpayne/strong-name-check

Add check to signing builds for strong name signature

Author: markcowl

build.proj

@@ -257,7 +257,9 @@
         ExpectedDelaySigned="false"
         ContinueOnError="false" 
         Condition="!$(DelaySign) and '@(DelaySignedAssembliesToSign)' != ''"/>
-        
+    
+    <Exec Command="$(PowerShellCommand) -NonInteractive -NoLogo -NoProfile -Command &quot;. $(LibraryToolsFolder)\CheckStrongNameSignature.ps1 &quot;"/>
+
     <!-- Copying signed shortcut back -->
     <Copy SourceFiles="$(LibrarySourceFolder)\Package\$(Configuration)\AzureRM.psd1" 
       DestinationFolder="$(LibraryRoot)tools\AzureRM" />

tools/CheckStrongNameSignature.ps1

@@ -0,0 +1,18 @@
+function Check-StrongName {
+    [CmdletBinding()]
+    param([Parameter(ValueFromPipeline=$true)][string]$path)
+    $output = & "sn.exe" -vf $path
+    $length = $output.Length - 1
+    if (-not $output[$length].Contains("is valid")) {
+        Write-Output "$path has an invalid string name."
+    }
+}
+
+function Check-All {    
+    $invalidList = Get-ChildItem -Recurse -Filter *.dll | %{Check-StrongName -path $_.FullName}
+
+    if ($invalidList.Length -gt 0) {
+        Write-Output($invalidList)
+        throw "Strong name signature checked failed. One (or more) of the dlls has an invalid string name."
+    }
+}