(Go) Load P7B and Iterate Certificates

Demonstrates how to load a .p7b containing one or more certificates access each of them.

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    // Starting in v9.5.0.49, all Chilkat classes can be unlocked at once at the beginning of a program
    // by calling UnlockBundle.  It requires a Bundle unlock code.
    chilkatGlob := chilkat.NewGlobal()
    success := chilkatGlob.UnlockBundle("Anything for 30-day trial.")
    if success != true {
        fmt.Println(chilkatGlob.LastErrorText())
        chilkatGlob.DisposeGlobal()
        return
    }

    // The Chilkat PEM class was introduced in v9.5.0.49.  
    // It requires the bundle to be unlocked, as shown above.
    pem := chilkat.NewPem()

    // Load the .p7b from a file.
    success = pem.LoadP7bFile("../myCertFiles/myP7b.p7b")
    if success != true {
        fmt.Println(pem.LastErrorText())
        chilkatGlob.DisposeGlobal()
        pem.DisposePem()
        return
    }

    // Note: If the app already has the p7b loaded in memory, the LoadP7b method
    // may be called instead.  (see the online reference documentation)

    // Iterate over the certificates.
    numCerts := pem.NumCerts()
    i := 0

    for i < numCerts {

        cert := pem.GetCert(i)
        fmt.Println("Certificate ", i, " : ", cert.SubjectDN())
        cert.DisposeCert()

        i = i + 1
    }


    chilkatGlob.DisposeGlobal()
    pem.DisposePem()