220     aes_int_key prf_key;         /* Expanded AES key for PDF          */  member
223 static void pdf_init(pdf_ctx *pc, aes_int_key prf_key)  in pdf_init()  argument
227     kdf(buf, prf_key, 0, UMAC_KEY_LEN);  in pdf_init()
228     aes_key_setup(buf, pc->prf_key);  in pdf_init()
232     aes_encryption(pc->nonce, pc->cache, pc->prf_key);  in pdf_init()
266         aes_encryption(pc->nonce, pc->cache, pc->prf_key);  in pdf_gen_xor()
603 static void nh_init(nh_ctx *hc, aes_int_key prf_key)  in nh_init()  argument
606     kdf(hc->nh_key, prf_key, 1, sizeof(hc->nh_key));  in nh_init()
959 static void uhash_init(uhash_ctx_t ahc, aes_int_key prf_key)  in uhash_init()  argument
968     nh_init(&ahc->hash, prf_key);  in uhash_init()
971     kdf(buf, prf_key, 2, sizeof(buf));    /* Fill buffer with index 1 key */  in uhash_init()
985     kdf(buf, prf_key, 3, sizeof(buf)); /* Fill buffer with index 2 key */  in uhash_init()
996     kdf(ahc->ip_trans, prf_key, 4, STREAMS * sizeof(UINT32));  in uhash_init()
1010     aes_int_key prf_key;
1020         aes_key_setup(key,prf_key);
1021         uhash_init(ctx, prf_key);
1223     aes_int_key prf_key;  in umac_new()  local
1233         aes_key_setup(key, prf_key);  in umac_new()
1234         pdf_init(&ctx->pdf, prf_key);  in umac_new()
1235         uhash_init(&ctx->hash, prf_key);  in umac_new()
1236         explicit_bzero(prf_key, sizeof(prf_key));  in umac_new()