Sample code for 30+ languages & platforms
JavaScript

Enumerate Private Keys in a PFX

See more PFX/P12 Examples

Demonstrates Pfx.PrivateKeyAt, which copies the private key at a zero-based index into a PrivateKey object. The example enumerates all private keys in 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. Valid indexes are less than NumPrivateKeys. Each retrieved key is an independent copy that can be inspected or used separately.
Note
This example is intended for running within a Chilkat.Js embedded JavaScript engine. All Chilkat JavaScript examples require Chilkat v11.4.0 or greater.
JavaScript
var success = false;

var pfx = new CkPfx();

//  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.
var password = "myPfxPassword";
success = pfx.LoadPfxFile("qa_data/identity.pfx",password);
if (success == false) {
    console.log(pfx.LastErrorText);
    return;
}

//  Enumerate the private keys in the PFX by zero-based index.  Valid indexes are less than
//  NumPrivateKeys.
var numKeys = pfx.NumPrivateKeys;
var privKey = new CkPrivateKey();
var i;
for (i = 0; i <= numKeys - 1; i++) {
    success = pfx.PrivateKeyAt(i,privKey);
    if (success == false) {
        console.log(pfx.LastErrorText);
        return;
    }

    console.log("Private key " + i + ": " + privKey.KeyType + " (" + privKey.BitLength + " bits)");
}