new_contents: import puresnmp.auth as auth
  
  
  def test_password_to_key():
      from hashlib import md5
  
      hasher = auth.password_to_key(md5, 16)
      result = hasher(b"foo", b"bar")
      expected = b"x\xf4\xdf-#\x19\x95\xe0\x8f\xcd\x1f{\xa87\x99\x06"
      assert result == expected
subject: Add tests for v3 auth