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>
This commit is contained in:
Martin Willi 2009-11-25 00:29:53 +00:00 committed by David S. Miller
parent 4447bb33f0
commit 8f8a088c21
4 changed files with 4 additions and 4 deletions

View file

@ -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);

View file

@ -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;
}

View file

@ -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);

View file

@ -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;
}