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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2007-10-08 17:14:34 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-10 16:54:53 -0700 |
| commit | bc31d3b2c7d7f2a03721a05cb3c9a3ce8b1e2e5a (patch) | |
| tree | 4e72919c351590c8276534e797eae8260d20f28c | |
| parent | 4b7137ff8fb49d7bf22dfa248baa0d02ace2c43d (diff) | |
| download | linux-bc31d3b2c7d7f2a03721a05cb3c9a3ce8b1e2e5a.tar.gz linux-bc31d3b2c7d7f2a03721a05cb3c9a3ce8b1e2e5a.tar.bz2 linux-bc31d3b2c7d7f2a03721a05cb3c9a3ce8b1e2e5a.zip | |
[IPSEC] ah: Remove keys from ah_data structure
The keys are only used during initialisation so we don't need to carry them
in esp_data. Since we don't have to allocate them again, there is no need
to place a limit on the authentication key length anymore.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/net/ah.h | 2 | ||||
| -rw-r--r-- | net/ipv4/ah4.c | 9 | ||||
| -rw-r--r-- | net/ipv6/ah6.c | 9 |
3 files changed, 4 insertions, 16 deletions
diff --git a/include/net/ah.h b/include/net/ah.h index 8f257c159902..5e758c2b5dd5 100644 --- a/include/net/ah.h +++ b/include/net/ah.h @@ -9,8 +9,6 @@ struct ah_data { - u8 *key; - int key_len; u8 *work_icv; int icv_full_len; int icv_trunc_len; diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c index 39f6211f1496..dc1d8e871b24 100644 --- a/net/ipv4/ah4.c +++ b/net/ipv4/ah4.c @@ -219,10 +219,6 @@ static int ah_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; @@ -230,14 +226,13 @@ static int ah_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; /* diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c index 53f46ab6af70..69a2030407b8 100644 --- a/net/ipv6/ah6.c +++ b/net/ipv6/ah6.c @@ -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; /* |