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

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

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

integer li_rc
oleobject loo_Cert
string ls_PfxFilepath
string ls_PfxPassword
integer li_Success
oleobject loo_PrivKey
string ls_PrivKeyPem
oleobject loo_SshKey
oleobject loo_Sftp

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

loo_Cert = create oleobject
// Use "Chilkat_9_5_0.Cert" for versions of Chilkat < 10.0.0
li_rc = loo_Cert.ConnectToNewObject("Chilkat.Cert")
if li_rc < 0 then
    destroy loo_Cert
    MessageBox("Error","Connecting to COM object failed")
    return
end if

ls_PfxFilepath = "qa_data/pfx/my.pfx"
ls_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.
li_Success = loo_Cert.LoadPfxFile(ls_PfxFilepath,ls_PfxPassword)
if li_Success <> 1 then
    Write-Debug loo_Cert.LastErrorText
    destroy loo_Cert
    return
end if

// Get the private key.  
loo_PrivKey = loo_Cert.ExportPrivateKey()
if loo_Cert.LastMethodSuccess = 0 then
    Write-Debug loo_Cert.LastErrorText
    destroy loo_Cert
    return
end if

ls_PrivKeyPem = loo_PrivKey.GetPkcs8Pem()
if loo_PrivKey.LastMethodSuccess = 0 then
    Write-Debug loo_PrivKey.LastErrorText
    destroy loo_Cert
    return
end if

loo_SshKey = create oleobject
// Use "Chilkat_9_5_0.SshKey" for versions of Chilkat < 10.0.0
li_rc = loo_SshKey.ConnectToNewObject("Chilkat.SshKey")

li_Success = loo_SshKey.FromOpenSshPrivateKey(ls_PrivKeyPem)
if li_Success = 0 then
    Write-Debug loo_SshKey.LastErrorText
    destroy loo_Cert
    destroy loo_SshKey
    return
end if

// Connect to an SSH/SFTP server
loo_Sftp = create oleobject
// Use "Chilkat_9_5_0.SFtp" for versions of Chilkat < 10.0.0
li_rc = loo_Sftp.ConnectToNewObject("Chilkat.SFtp")

li_Success = loo_Sftp.Connect("sftp.example.com",22)
if li_Success = 0 then
    Write-Debug loo_Sftp.LastErrorText
    destroy loo_Cert
    destroy loo_SshKey
    destroy loo_Sftp
    return
end if

// 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.)
li_Success = loo_Sftp.AuthenticatePk("mySshLogin",loo_SshKey)
if li_Success = 0 then
    Write-Debug loo_Sftp.LastErrorText
    destroy loo_Cert
    destroy loo_SshKey
    destroy loo_Sftp
    return
end if

Write-Debug "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...


destroy loo_Cert
destroy loo_SshKey
destroy loo_Sftp