(Go) Iterate Keys and Certs in PEM

Demonstrates how to access each of the private keys and certs contained within a PEM.

Chilkat Go Downloads Go Package for Windows, MacOS, Linux, Alpine Linux, Solaris

    // 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 PEM from a file.
    // If the PEM is encrypted, provide a password.  Otherwise pass an empty string for the password.
    password := "myPassword"
    success = pem.LoadPemFile("../myPemFiles/myPem.pem",password)
    if success != true {
        fmt.Println(pem.LastErrorText())
        chilkatGlob.DisposeGlobal()
        pem.DisposePem()
        return
    }

    // Note: If the app already has the PEM pre-loaded in a string variable, then load it 
    // by calling LoadPem instead.  
    pemContent := "... the PEM contents ..."
    success = pem.LoadPem(pemContent,password)
    // Check for success as before..

    // Iterate over the private keys.
    numPrivateKeys := pem.NumPrivateKeys()
    i := 0

    for i < numPrivateKeys {

        privKey := pem.GetPrivateKey(i)
        fmt.Println("Private Key ", i, " is ", privKey.BitLength(), " in length")
        privKey.DisposePrivateKey()

        i = i + 1
    }

    // 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()