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[IPSEC] ah: Remove keys from ah_data structure

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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>
This commit is contained in:
Herbert Xu 2007-10-08 17:14:34 -07:00 committed by David S. Miller
parent 4b7137ff8f
commit bc31d3b2c7
3 changed files with 4 additions and 16 deletions
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2
include/net/ah.h
View File

@ -9,8 +9,6 @@
struct ah_data
{
u8 *key;
int key_len;
u8 *work_icv;
int icv_full_len;
int icv_trunc_len;

9
net/ipv4/ah4.c
View File

@ -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;
/*

9
net/ipv6/ah6.c
View 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;
/*