= [("cbc_mac_ctx", atca_aes_cbc_ctx),
("ctr_ctx", atca_aes_ctr_ctx),
("iv_size", c_uint8),
("M", c_uint8),
("counter", c_char*16),
("partial_aad", c_char*16),
("partial_aad_size", c_uint32),
("text_size", c_uint32),
("enc_cb", c_char*16),
("data_size", c_uint32),
("ciphertext_block", c_char*16)]