41 static int ccm_calculate_X0(const uint8_t key[16], const uint8_t *aad, uint8_t aad_len,  in ccm_calculate_X0()  argument
48 	b[0] = (((mic_size - 2) / 2) << 3) | ((!!aad_len) << 6) | 0x01;  in ccm_calculate_X0()
58 	if (aad_len) {  in ccm_calculate_X0()
59 		sys_put_be16(aad_len, b);  in ccm_calculate_X0()
66 		aad_len += sizeof(uint16_t);  in ccm_calculate_X0()
67 		while (aad_len > 16) {  in ccm_calculate_X0()
73 			aad_len -= 16;  in ccm_calculate_X0()
82 		for (; i < aad_len; i++, j++) {  in ccm_calculate_X0()
86 		for (i = aad_len; i < 16; i++) {  in ccm_calculate_X0()
101 		    size_t aad_len, uint8_t *mic, size_t mic_size)  in ccm_auth()  argument
124 	ccm_calculate_X0(key, aad, aad_len, mic_size, msg_len, b, Xn);  in ccm_auth()
193 		   size_t aad_len, uint8_t *plaintext, size_t mic_size)  in bt_ccm_decrypt()  argument
197 	if (aad_len >= 0xff00 || mic_size > sizeof(mic) || len > UINT16_MAX) {  in bt_ccm_decrypt()
203 	ccm_auth(key, nonce, plaintext, len, aad, aad_len, mic, mic_size);  in bt_ccm_decrypt()
214 		   size_t aad_len, uint8_t *enc_data, size_t mic_size)  in bt_ccm_encrypt()  argument
221 	LOG_DBG("aad_len %zu mic_size %zu", aad_len, mic_size);  in bt_ccm_encrypt()
224 	if (aad_len >= 0xff00 || mic_size > 16 || len > UINT16_MAX) {  in bt_ccm_encrypt()
228 	ccm_auth(key, nonce, plaintext, len, aad, aad_len, mic, mic_size);  in bt_ccm_encrypt()