summaryrefslogtreecommitdiff
path: root/include/net/ah.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/net/ah.h')
-rw-r--r--include/net/ah.h33
1 files changed, 5 insertions, 28 deletions
diff --git a/include/net/ah.h b/include/net/ah.h
index ae1c322f4242..f0129f79a31a 100644
--- a/include/net/ah.h
+++ b/include/net/ah.h
@@ -1,43 +1,20 @@
#ifndef _NET_AH_H
#define _NET_AH_H
-#include <linux/crypto.h>
-#include <net/xfrm.h>
+#include <linux/skbuff.h>
/* This is the maximum truncated ICV length that we know of. */
#define MAX_AH_AUTH_LEN 12
-struct ah_data
-{
- u8 *work_icv;
+struct crypto_ahash;
+
+struct ah_data {
int icv_full_len;
int icv_trunc_len;
- struct crypto_hash *tfm;
+ struct crypto_ahash *ahash;
};
-static inline int ah_mac_digest(struct ah_data *ahp, struct sk_buff *skb,
- u8 *auth_data)
-{
- struct hash_desc desc;
- int err;
-
- desc.tfm = ahp->tfm;
- desc.flags = 0;
-
- memset(auth_data, 0, ahp->icv_trunc_len);
- err = crypto_hash_init(&desc);
- if (unlikely(err))
- goto out;
- err = skb_icv_walk(skb, &desc, 0, skb->len, crypto_hash_update);
- if (unlikely(err))
- goto out;
- err = crypto_hash_final(&desc, ahp->work_icv);
-
-out:
- return err;
-}
-
struct ip_auth_hdr;
static inline struct ip_auth_hdr *ip_auth_hdr(const struct sk_buff *skb)