[Windows] Rename image build scripts (#8808)

images/windows/scripts/build/Install-DockerWinCred.ps1

@@ -0,0 +1,35 @@
+################################################################################
+##  File:  Install-Docker-WinCred.ps1
+##  Desc:  Install Docker credential helper.
+##  Supply chain security: checksum validation
+################################################################################
+
+#region functions
+function Get-DockerWincredHash {
+    Param (
+        [Parameter(Mandatory = $True)]
+        [string] $Release
+    )
+
+    $hashURL = "https://github.com/docker/docker-credential-helpers/releases/download/${Release}/checksums.txt"
+    (Invoke-RestMethod -Uri $hashURL).ToString().Split("`n").Where({ $_ -ilike "*docker-credential-wincred-${Release}.windows-amd64.exe*" }).Split(' ')[0]
+}
+#endregion
+
+Write-Host "Install docker-wincred"
+$dockerCredLatestRelease = Invoke-RestMethod -Uri "https://api.github.com/repos/docker/docker-credential-helpers/releases/latest"
+$dockerCredDownloadUrl = $dockerCredLatestRelease.assets.browser_download_url -match "docker-credential-wincred-.+\.exe" | Select-Object -First 1
+Start-DownloadWithRetry -Url $dockerCredDownloadUrl -DownloadPath "C:\Windows\System32" -Name "docker-credential-wincred.exe"
+
+#region Supply chain security
+$distributor_file_hash = Get-DockerWincredHash -Release $dockerCredLatestRelease.name
+$local_file_hash = (Get-FileHash -Path 'C:\Windows\System32\docker-credential-wincred.exe' -Algorithm SHA256).Hash
+
+if ($local_file_hash -ne $distributor_file_hash) {
+    Write-Host "hash must be equal to: ${distributor_file_hash}"
+    Write-Host "actual hash is: ${local_file_hash}"
+    throw 'Checksum verification failed, please rerun install'
+}
+#endregion
+
+Invoke-PesterTests -TestFile "Docker" -TestName "DockerWinCred"