(PowerShell) Transition from Email.GetSignedByCertChain to Email.LastSignerCert

Provides instructions for replacing deprecated GetSignedByCertChain method calls with LastSignerCert.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat .NET Downloads Chilkat .NET Assemblies

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

$email = New-Object Chilkat.Email

# ...
# ...

# ------------------------------------------------------------------------
# The GetSignedByCertChain method is deprecated:

$certChainObj = $email.GetSignedByCertChain()
if ($email.LastMethodSuccess -eq $false) {
    $($email.LastErrorText)
    exit
}

# ...
# ...

# ------------------------------------------------------------------------
# Do the equivalent using LastSignerCert to get the signing certificate,
# then build the cert chain from the signing certificate object.

$signerCert = New-Object Chilkat.Cert
$success = $email.LastSignerCert(0,$signerCert)
if ($success -eq $false) {
    $($email.LastErrorText)
    exit
}

# Get the certificate chain from the signer certificate.
$certChain = New-Object Chilkat.CertChain
$success = $signerCert.BuildCertChain($certChain)
if ($success -eq $false) {
    $($signerCert.LastErrorText)
    exit
}