Visual FoxPro

Set a TLS Client Certificate from a PFX

Demonstrates Socket.SetSslClientCertPfx, which loads and configures a TLS client certificate and private key from a PFX/P12 file.

The file path is relative to the application's current working directory. An absolute path may also be used. Supply the path appropriate to your own environment.

Background. Configure the client certificate before connecting. Use client certificates only when the server requests or requires client-certificate authentication (mutual TLS).

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LOCAL lnSuccess
LOCAL loSocket
LOCAL lcPfxPassword
LOCAL lnBTls
LOCAL lnMaxWaitMs

lnSuccess = 0

loSocket = CreateObject('Chilkat.Socket')

*  The file path is relative to the application's current working directory.  An absolute path
*  may also be used.  Supply the path appropriate to your own environment.
*  The PFX password should come from a secure source rather than being hard-coded.
lcPfxPassword = "myPfxPassword"

*  Load and configure the TLS client certificate and private key from a PFX/P12 file.  Configure the
*  client certificate before connecting.
lnSuccess = loSocket.SetSslClientCertPfx("qa_data/client.pfx",lcPfxPassword)
IF (lnSuccess = 0) THEN
    ? loSocket.LastErrorText
    RELEASE loSocket
    CANCEL
ENDIF

lnBTls = 1
lnMaxWaitMs = 5000
lnSuccess = loSocket.Connect("example.com",5000,lnBTls,lnMaxWaitMs)
IF (lnSuccess = 0) THEN
    ? loSocket.LastErrorText
    RELEASE loSocket
    CANCEL
ENDIF

? "Connected with mutual TLS."

RELEASE loSocket