20 	gcm_state ctx;			/* the gcm state as defined by LTC */
70 	struct tee_gcm_state *gcm = to_tee_gcm_state(aectx);  in crypto_aes_gcm_init()  local
76 	memset(&gcm->ctx, 0, sizeof(gcm->ctx));  in crypto_aes_gcm_init()
77 	gcm->tag_len = tag_len;  in crypto_aes_gcm_init()
79 	ltc_res = gcm_init(&gcm->ctx, ltc_cipherindex, key, key_len);  in crypto_aes_gcm_init()
84 	ltc_res = gcm_add_iv(&gcm->ctx, nonce, nonce_len);  in crypto_aes_gcm_init()
94 	struct tee_gcm_state *gcm = to_tee_gcm_state(aectx);  in crypto_aes_gcm_update_aad()  local
98 	ltc_res = gcm_add_aad(&gcm->ctx, data, len);  in crypto_aes_gcm_update_aad()
113 	struct tee_gcm_state *gcm = to_tee_gcm_state(aectx);  in crypto_aes_gcm_update_payload()  local
128 	if (gcm->ctx.mode == LTC_GCM_MODE_IV) {  in crypto_aes_gcm_update_payload()
135 	ltc_res = gcm_process(&gcm->ctx, pt, len, ct, dir);  in crypto_aes_gcm_update_payload()
148 	struct tee_gcm_state *gcm = to_tee_gcm_state(aectx);  in crypto_aes_gcm_enc_final()  local
158 	if (*dst_tag_len < gcm->tag_len) {  in crypto_aes_gcm_enc_final()
159 		*dst_tag_len = gcm->tag_len;  in crypto_aes_gcm_enc_final()
162 	*dst_tag_len = gcm->tag_len;  in crypto_aes_gcm_enc_final()
165 	ltc_res = gcm_done(&gcm->ctx, dst_tag, (unsigned long *)dst_tag_len);  in crypto_aes_gcm_enc_final()
178 	struct tee_gcm_state *gcm = to_tee_gcm_state(aectx);  in crypto_aes_gcm_dec_final()  local
195 	ltc_res = gcm_done(&gcm->ctx, dst_tag, &ltc_tag_len);  in crypto_aes_gcm_dec_final()