**Function aes_gcm_read_ghash()**

**Function aes_gcm_write_ghash()**

**Function aes_gcm_read_hash_key()**

**Function aes_gcm_write_hash_key()**

**Function aes_gcm_read_cipher_len()**

**Function aes_gcm_write_cipher_len()**

**Function aes_gcm_set_end_message_status()**

**Function aes_gcm_clear_end_message_status()**

**Function aes_gcm_set_gf_multiplication()**