44 Octet16 const_Rb{0x87, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
50 static void xor_128(Octet16* a, const Octet16& b) {  in xor_128()
62 Octet16 aes_128(const Octet16& key, const Octet16& message) {  in aes_128()
63   Octet16 key_reversed;  in aes_128()
64   Octet16 message_reversed;  in aes_128()
65   Octet16 output;  in aes_128()
81 static void padding(Octet16* dest, uint8_t length) {  in padding()
102 static Octet16 cmac_aes_k_calculate(const Octet16& key) {  in cmac_aes_k_calculate()
103   Octet16 output;  in cmac_aes_k_calculate()
104   Octet16 x{0};  // zero initialized  in cmac_aes_k_calculate()
111     xor_128((Octet16*)&cmac_cb.text[(cmac_cb.round - i) * OCTET16_LEN], x);  in cmac_aes_k_calculate()
125 static void cmac_prepare_last_block(const Octet16& k1, const Octet16& k2) {  in cmac_prepare_last_block()
136     xor_128((Octet16*)&cmac_cb.text[0], k1);  in cmac_prepare_last_block()
139     padding((Octet16*)&cmac_cb.text[0], (uint8_t)(cmac_cb.len % 16));  in cmac_prepare_last_block()
141     xor_128((Octet16*)&cmac_cb.text[0], k2);  in cmac_prepare_last_block()
148 static void cmac_generate_subkey(const Octet16& key) {  in cmac_generate_subkey()
151   Octet16 zero{};  in cmac_generate_subkey()
152   Octet16 p = aes_128(key, zero.data(), OCTET16_LEN);  in cmac_generate_subkey()
154   Octet16 k1, k2;  in cmac_generate_subkey()
182 Octet16 aes_cmac(const Octet16& key, const uint8_t* input, uint16_t length) {  in aes_cmac()
209   Octet16 signature = cmac_aes_k_calculate(key);  in aes_cmac()