libcrypto.ENGINE_ctrl_cmd_string.argtypes = (c_void_p, c_char_p, c_char_p,
c_int)
libcrypto.ENGINE_finish.argtypes = (c_char_p, )
+libcrypto.ENGINE_init.argtypes = (c_void_p, )
+libcrypto.UI_OpenSSL.restype = c_void_p
+libcrypto.ENGINE_load_private_key.argtypes = (c_void_p, c_char_p, c_void_p, c_void_p)
+libcrypto.ENGINE_load_private_key.restype = c_void_p