16 static const uint8_t osdp_scbk_default[16] = {
40 	for (i = 8; i < 16; i++) {  in osdp_compute_scbk()
43 	osdp_encrypt(master_key, NULL, scbk, 16);  in osdp_compute_scbk()
50 	uint8_t scbk[16];  in osdp_compute_session_keys()
53 		memcpy(scbk, osdp_scbk_default, 16);  in osdp_compute_session_keys()
58 			memcpy(scbk, pd->sc.scbk, 16);  in osdp_compute_session_keys()
62 	memset(pd->sc.s_enc, 0, 16);  in osdp_compute_session_keys()
63 	memset(pd->sc.s_mac1, 0, 16);  in osdp_compute_session_keys()
64 	memset(pd->sc.s_mac2, 0, 16);  in osdp_compute_session_keys()
79 	osdp_encrypt(scbk, NULL, pd->sc.s_enc, 16);  in osdp_compute_session_keys()
80 	osdp_encrypt(scbk, NULL, pd->sc.s_mac1, 16);  in osdp_compute_session_keys()
81 	osdp_encrypt(scbk, NULL, pd->sc.s_mac2, 16);  in osdp_compute_session_keys()
89 	osdp_encrypt(pd->sc.s_enc, NULL, pd->sc.cp_cryptogram, 16);  in osdp_compute_cp_cryptogram()
112 	uint8_t cp_crypto[16];  in osdp_verify_cp_cryptogram()
117 	osdp_encrypt(pd->sc.s_enc, NULL, cp_crypto, 16);  in osdp_verify_cp_cryptogram()
119 	if (osdp_ct_compare(pd->sc.cp_cryptogram, cp_crypto, 16) != 0) {  in osdp_verify_cp_cryptogram()
130 	osdp_encrypt(pd->sc.s_enc, NULL, pd->sc.pd_cryptogram, 16);  in osdp_compute_pd_cryptogram()
135 	uint8_t pd_crypto[16];  in osdp_verify_pd_cryptogram()
140 	osdp_encrypt(pd->sc.s_enc, NULL, pd_crypto, 16);  in osdp_verify_pd_cryptogram()
142 	if (osdp_ct_compare(pd->sc.pd_cryptogram, pd_crypto, 16) != 0) {  in osdp_verify_pd_cryptogram()
151 	memcpy(pd->sc.r_mac, pd->sc.cp_cryptogram, 16);  in osdp_compute_rmac_i()
152 	osdp_encrypt(pd->sc.s_mac1, NULL, pd->sc.r_mac, 16);  in osdp_compute_rmac_i()
153 	osdp_encrypt(pd->sc.s_mac2, NULL, pd->sc.r_mac, 16);  in osdp_compute_rmac_i()
159 	uint8_t iv[16];  in osdp_decrypt_data()
161 	if (length <= 0 || length % 16 != 0) {  in osdp_decrypt_data()
165 	memcpy(iv, is_cmd ? pd->sc.r_mac : pd->sc.c_mac, 16);  in osdp_decrypt_data()
166 	for (i = 0; i < 16; i++) {  in osdp_decrypt_data()
187 	uint8_t iv[16];  in osdp_encrypt_data()
194 	memcpy(iv, is_cmd ? pd->sc.r_mac : pd->sc.c_mac, 16);  in osdp_encrypt_data()
195 	for (i = 0; i < 16; i++) {  in osdp_encrypt_data()
209 	uint8_t iv[16];  in osdp_compute_mac()
212 	pad_len = (len % 16 == 0) ? len : AES_PAD_LEN(len);  in osdp_compute_mac()
213 	if (len % 16 != 0) {  in osdp_compute_mac()
223 	memcpy(iv, is_cmd ? pd->sc.r_mac : pd->sc.c_mac, 16);  in osdp_compute_mac()
224 	if (pad_len > 16) {  in osdp_compute_mac()
226 		osdp_encrypt(pd->sc.s_mac1, iv, buf, pad_len - 16);  in osdp_compute_mac()
228 		memcpy(iv, buf + pad_len - 32, 16);  in osdp_compute_mac()
232 	osdp_encrypt(pd->sc.s_mac2, iv, buf + pad_len - 16, 16);  in osdp_compute_mac()
233 	memcpy(is_cmd ? pd->sc.c_mac : pd->sc.r_mac, buf + pad_len - 16, 16);  in osdp_compute_mac()
240 	uint8_t scbk[16];  in osdp_sc_setup()
244 		memcpy(scbk, pd->sc.scbk, 16);  in osdp_sc_setup()
248 		memcpy(pd->sc.scbk, scbk, 16);  in osdp_sc_setup()