(PowerShell) Create CAdES (p7m) Signature using ARSS (Aruba Remote Signing Service)

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Demonstrates creating a CAdES (p7m) signature using the Aruba Remote Signing Service.

Note: This example requires Chilkat v9.5.0.96 or later.

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Add-Type -Path "C:\chilkat\ChilkatDotNet47-9.5.0-x64\ChilkatDotNet47.dll"

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

# Load the certificate used for signing.  The certificate's private key is stored on 
# the Aruba.it server and the signing will happen remotely using the
# ARSS (Aruba Remote Signing Service).
# However, we still need the certificate locally (without private key).
$cert = New-Object Chilkat.Cert
$success = $cert.LoadFromFile("qa_data/certs/myCert.cer")
if ($success -eq $false) {
    $($cert.LastErrorText)
    exit
}

# To sign using the Aruba Remote Signing Service, 
# add the following lines of code to specify your authentication credentials,
# and the ID of the certificate w/ private key on the server to be used.
$jsonArss = New-Object Chilkat.JsonObject

# Set the "service" equal to "ARSS" to tell Chilkat to use ARSS for signing.
$jsonArss.UpdateString("service","ARSS")
# Specify the certificate ID, such as "AS0"
# This certificate should match the certificate loaded in the above code.
$jsonArss.UpdateString("certID","YOUR_ARSS_CERT_ID")
$jsonArss.UpdateString("otpPwd","YOUR_OTP_PWD")
$jsonArss.UpdateString("typeOtpAuth","demoprod")
$jsonArss.UpdateString("user","YOUR_ARSS_USERNAME")
$jsonArss.UpdateString("userPWD","YOUR_ARSS_PASSWORD")
$success = $cert.SetCloudSigner($jsonArss)

$crypt = New-Object Chilkat.Crypt2

$success = $crypt.SetSigningCert($cert)
if ($success -eq $false) {
    $($crypt.LastErrorText)
    exit
}

# The CadesEnabled property applies to all methods that create PKCS7 signatures. 
# To create a CAdES-BES signature, set this property equal to true.
$crypt.CadesEnabled = $true

$crypt.HashAlgorithm = "sha256"

$signedAttrs = New-Object Chilkat.JsonObject
$signedAttrs.UpdateInt("contentType",1)
$signedAttrs.UpdateInt("signingTime",1)
$signedAttrs.UpdateInt("messageDigest",1)
$signedAttrs.UpdateInt("signingCertificateV2",1)
$crypt.SigningAttributes = $signedAttrs.Emit()

# You can sign any type of file..
$inputXmlPath = "qa_data/e-Invoice.xml"
$outputP7mPath = "qa_output/signed.p7m"

# Create the CAdES-BES attached signature, which contains the original data.
# Chilkat will build the .p7m locally, but will (internally) use ARSS
# to do the RSA signing remotely.
$success = $crypt.CreateP7M($inputXmlPath,$outputP7mPath)
if ($success -eq $false) {
    $($crypt.LastErrorText)
    exit
}

$("Success.")