[IPSEC] ah: Remove keys from ah_data structure
[linux-2.6.git] / net / ipv6 / ah6.c
index 53f46ab..69a2030 100644 (file)
@@ -429,10 +429,6 @@ static int ah6_init_state(struct xfrm_state *x)
        if (!x->aalg)
                goto error;
 
-       /* null auth can use a zero length key */
-       if (x->aalg->alg_key_len > 512)
-               goto error;
-
        if (x->encap)
                goto error;
 
@@ -440,14 +436,13 @@ static int ah6_init_state(struct xfrm_state *x)
        if (ahp == NULL)
                return -ENOMEM;
 
-       ahp->key = x->aalg->alg_key;
-       ahp->key_len = (x->aalg->alg_key_len+7)/8;
        tfm = crypto_alloc_hash(x->aalg->alg_name, 0, CRYPTO_ALG_ASYNC);
        if (IS_ERR(tfm))
                goto error;
 
        ahp->tfm = tfm;
-       if (crypto_hash_setkey(tfm, ahp->key, ahp->key_len))
+       if (crypto_hash_setkey(tfm, x->aalg->alg_key,
+                              (x->aalg->alg_key_len + 7) / 8))
                goto error;
 
        /*