PowerShell

SFTP use Cert's Private Key from PFX (.pfx/.p12)

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Demonstrates how to use the private key associated with a certificate from a .pfx/.p12 file. PowerShell

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

$success = $false

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

$cert = New-Object Chilkat.Cert

$pfxFilepath = "qa_data/pfx/my.pfx"
$pfxPassword = "secret"

# A PFX typically contains certificates in the chain of authentication.
# The Chilkat cert object will choose the certificate w/
# private key farthest from the root authority cert.
# To access all the certificates in a PFX, use the 
# Chilkat certificate store object instead.
$success = $cert.LoadPfxFile($pfxFilepath,$pfxPassword)
if ($success -eq $false) {
    $($cert.LastErrorText)
    exit
}

# Get the private key.  
$privKey = New-Object Chilkat.PrivateKey
$success = $cert.GetPrivateKey($privKey)
if ($success -eq $false) {
    $($cert.LastErrorText)
    exit
}

$privKeyPem = $privKey.GetPkcs8Pem()
if ($privKey.LastMethodSuccess -eq $false) {
    $($privKey.LastErrorText)
    exit
}

$sshKey = New-Object Chilkat.SshKey
$success = $sshKey.FromOpenSshPrivateKey($privKeyPem)
if ($success -eq $false) {
    $($sshKey.LastErrorText)
    exit
}

# Connect to an SSH/SFTP server
$sftp = New-Object Chilkat.SFtp
$success = $sftp.Connect("sftp.example.com",22)
if ($success -eq $false) {
    $($sftp.LastErrorText)
    exit
}

# Authenticate with the SSH server using a username + private key.
# (The private key serves as the password.  The username identifies
# the SSH user account on the server.)
$success = $sftp.AuthenticatePk("mySshLogin",$sshKey)
if ($success -eq $false) {
    $($sftp.LastErrorText)
    exit
}

$("OK, the connection and authentication with the SSH server is completed.")

# This example is only to show the connection + authentication using a private key associated with a certificate in the Windows certificate store...