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authorMartin Willi <martin@strongswan.org>2009-11-25 00:29:53 +0000
committerDavid S. Miller <davem@davemloft.net>2009-11-25 15:48:41 -0800
commit8f8a088c2127c729638da8f2d33860e346c01eda (patch)
treed5b81f8d1cc22d3fffbcb049c55dcc9499eb4e04 /net
parentxfrm: Store aalg in xfrm_state with a user specified truncation length (diff)
downloadlinux-dev-8f8a088c2127c729638da8f2d33860e346c01eda.tar.xz
linux-dev-8f8a088c2127c729638da8f2d33860e346c01eda.zip
xfrm: Use the user specified truncation length in ESP and AH
Instead of using the hardcoded truncation for authentication algorithms, use the truncation length specified on xfrm_state. Signed-off-by: Martin Willi <martin@strongswan.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/ipv4/ah4.c2
-rw-r--r--net/ipv4/esp4.c2
-rw-r--r--net/ipv6/ah6.c2
-rw-r--r--net/ipv6/esp6.c2
4 files changed, 4 insertions, 4 deletions
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index d07b0c1dd350..7ed3e4ae93ae 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -444,7 +444,7 @@ static int ah_init_state(struct xfrm_state *x)
}
ahp->icv_full_len = aalg_desc->uinfo.auth.icv_fullbits/8;
- ahp->icv_trunc_len = aalg_desc->uinfo.auth.icv_truncbits/8;
+ ahp->icv_trunc_len = x->aalg->alg_trunc_len/8;
BUG_ON(ahp->icv_trunc_len > MAX_AH_AUTH_LEN);
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 12f7287e902d..1948895beb6d 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -530,7 +530,7 @@ static int esp_init_authenc(struct xfrm_state *x)
}
err = crypto_aead_setauthsize(
- aead, aalg_desc->uinfo.auth.icv_truncbits / 8);
+ aead, x->aalg->alg_trunc_len / 8);
if (err)
goto free_key;
}
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 0f526f8ea518..c2f300c314be 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -667,7 +667,7 @@ static int ah6_init_state(struct xfrm_state *x)
}
ahp->icv_full_len = aalg_desc->uinfo.auth.icv_fullbits/8;
- ahp->icv_trunc_len = aalg_desc->uinfo.auth.icv_truncbits/8;
+ ahp->icv_trunc_len = x->aalg->alg_trunc_len/8;
BUG_ON(ahp->icv_trunc_len > MAX_AH_AUTH_LEN);
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index af597c73ebe9..668a46b655e6 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -473,7 +473,7 @@ static int esp_init_authenc(struct xfrm_state *x)
}
err = crypto_aead_setauthsize(
- aead, aalg_desc->uinfo.auth.icv_truncbits / 8);
+ aead, x->aalg->alg_trunc_len / 8);
if (err)
goto free_key;
}