}

// NewPrivateKey returns a new private key.
var NewPrivateKey = GeneratePrivateKey

// rsaKeySizeFromAlgorithmType takes a known RSA algorithm defined in the kubeadm API
// an returns its key size. For unknown types it returns 0. For an empty type it returns
// the default size of 2048.
func rsaKeySizeFromAlgorithmType(keyType kubeadmapi.EncryptionAlgorithmType) int {
	switch keyType {