Script to setup Windows 10 1903
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# Sign all scripts in folder recursively by a self-signed certificate
$CertName = "Sophia Project"
$FolderPath = "$PSSCriptRoot\Sophia Script"
$ExtensionsToSearchIn = @(".ps1", ".psm1", ".psd1")
# Get-ChildItem -Path Cert:\LocalMachine\My, Cert:\CurrentUser\My | Where-Object -FilterScript {$_.Subject -eq "CN=$CertName"} | Remove-Item
# Generate a self-signed Authenticode certificate in the local computer's personal certificate store
$Parameters = @{
Subject = $CertName
NotAfter = (Get-Date).AddMonths(24)
CertStoreLocation = "Cert:\LocalMachine\My"
Type = "CodeSigningCert"
}
$authenticode = New-SelfSignedCertificate @Parameters
# Add the self-signed Authenticode certificate to the computer's root certificate store
# Create an object to represent the LocalMachine\Root certificate store
$rootStore = [System.Security.Cryptography.X509Certificates.X509Store]::new("Root","LocalMachine")
# Open the root certificate store for reading and writing
$rootStore.Open("ReadWrite")
# Add the certificate stored in the $authenticode variable
$rootStore.Add($authenticode)
# Close the root certificate store
$rootStore.Close()
# Add the self-signed Authenticode certificate to the computer's trusted publishers certificate store
# Create an object to represent the LocalMachine\TrustedPublisher certificate store
$publisherStore = [System.Security.Cryptography.X509Certificates.X509Store]::new("TrustedPublisher","LocalMachine")
# Open the TrustedPublisher certificate store for reading and writing
$publisherStore.Open("ReadWrite")
# Add the certificate stored in the $authenticode variable
$publisherStore.Add($authenticode)
# Close the TrustedPublisher certificate store
$publisherStore.Close()
# Get the code-signing certificate from the local computer's certificate store with the name "Sophia Authenticode" and store it to the $codeCertificate variable
$codeCertificate = Get-ChildItem -Path Cert:\LocalMachine\My | Where-Object -FilterScript {$_.Subject -eq "CN=$CertName"}
# TimeStampServer specifies the trusted timestamp server that adds a timestamp to script's digital signature
# Adding a timestamp ensures that your code will not expire when the signing certificate expires
# -Include *.ps1, *.psm1, *.psd1 is obvious, but it's slow
# There is no need to user $PSScriptRoot\$FolderPath
Get-ChildItem -Path $FolderPath -Recurse -File | Where-Object -FilterScript {$_.Extension -in $ExtensionsToSearchIn} | ForEach-Object -Process {
$Parameters = @{
FilePath = $_.FullName
Certificate = $codeCertificate
TimeStampServer = "http://timestamp.digicert.com"
}
Set-AuthenticodeSignature @Parameters
}