docs: public static String readPemFileAsBase64(final File file) throws IOException
  	{
  		final byte[] keyBytes = Files.readAllBytes(file.toPath());
  		final String publicKeyAsBase64String = new String(keyBytes)
  			.replace(BEGIN_PUBLIC_KEY_PREFIX, "").replace(END_PUBLIC_KEY_SUFFIX, "");
  		return publicKeyAsBase64String;
  	}