(C#) Load PKCS12 / PFX and Access Contents

Loads a PKCS12 / PFX file and iterates over the contents which include private keys and certificates.

Note: This example requires Chilkat v11.0.0 or greater.

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bool success = false;

Chilkat.Pfx pfx = new Chilkat.Pfx();

// Load the PKCS12 from a file
success = pfx.LoadPfxFile("/someDir/my.p12","pfxFilePassword");
if (success == false) {
    Debug.WriteLine(pfx.LastErrorText);
    return;
}

int numPrivateKeys = pfx.NumPrivateKeys;

Chilkat.PrivateKey privKey = new Chilkat.PrivateKey();

Debug.WriteLine("Private Keys:");

int i = 0;
while (i < numPrivateKeys) {
    pfx.PrivateKeyAt(i,privKey);

    // Do something with the private key ...

    i = i + 1;
}

Chilkat.Cert cert = new Chilkat.Cert();

int numCerts = pfx.NumCerts;

Debug.WriteLine("Certs:");
i = 0;
while (i < numCerts) {
    pfx.CertAt(i,cert);
    Debug.WriteLine(cert.SubjectDN);

    // If the certificate has a private key (one of the private keys within the PFX)
    // then it can also be obtained via the certificate object:
    if (cert.HasPrivateKey() == true) {

        Debug.WriteLine("Has private key!");

        success = cert.GetPrivateKey(privKey);
        // ...

    }

    i = i + 1;
}