43 	br_hmac_init(&hc->u.hmac_ctx, &kc, 0);  in br_hkdf_init()
44 	hc->dig_len = br_hmac_size(&hc->u.hmac_ctx);  in br_hkdf_init()
51 	br_hmac_update(&hc->u.hmac_ctx, ikm, ikm_len);  in br_hkdf_inject()
60 	br_hmac_out(&hc->u.hmac_ctx, tmp);  in br_hkdf_flip()
62 		br_hmac_get_digest(&hc->u.hmac_ctx), tmp, hc->dig_len);  in br_hkdf_flip()
79 			br_hmac_context hmac_ctx;  in br_hkdf_produce()  local
87 			br_hmac_init(&hmac_ctx, &hc->u.prk_ctx, 0);  in br_hkdf_produce()
89 				br_hmac_update(&hmac_ctx, hc->buf, hc->dig_len);  in br_hkdf_produce()
91 			br_hmac_update(&hmac_ctx, info, info_len);  in br_hkdf_produce()
92 			br_hmac_update(&hmac_ctx, &x, 1);  in br_hkdf_produce()
93 			br_hmac_out(&hmac_ctx, hc->buf);  in br_hkdf_produce()