Visual FoxPro

Read a PFX Safe-Bag Attribute

Demonstrates Pfx.GetSafeBagAttr, which reads a recognized safe-bag attribute from a private key or certificate inside the PFX.

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. A safe-bag attribute is metadata attached to an item inside a PKCS#12/PFX container; it does not change the certificate or private-key material. Recognized attributes include friendlyName, keyContainerName, keyName, and localKeyId.

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LOCAL lnSuccess
LOCAL loPfx
LOCAL lcPassword
LOCAL lnBForPrivateKey
LOCAL lcFriendlyName

lnSuccess = 0

loPfx = CreateObject('Chilkat.Pfx')

*  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.
lcPassword = "myPfxPassword"
lnSuccess = loPfx.LoadPfxFile("qa_data/identity.pfx",lcPassword)
IF (lnSuccess = 0) THEN
    ? loPfx.LastErrorText
    RELEASE loPfx
    CANCEL
ENDIF

*  Read a recognized safe-bag attribute from an item inside the PFX.  The 1st argument is 1 for a
*  private key or 0 for a certificate, and the 2nd is the zero-based index within that
*  collection.
lnBForPrivateKey = 1
lcFriendlyName = loPfx.GetSafeBagAttr(lnBForPrivateKey,0,"friendlyName")
IF (loPfx.LastMethodSuccess = 0) THEN
    ? loPfx.LastErrorText
    RELEASE loPfx
    CANCEL
ENDIF

? "friendlyName: " + lcFriendlyName

RELEASE loPfx