diff options
Diffstat (limited to 'include/net/ah.h')
| -rw-r--r-- | include/net/ah.h | 33 |
1 files changed, 5 insertions, 28 deletions
diff --git a/include/net/ah.h b/include/net/ah.h index ae1c322..f0129f7 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) |