diff options
Diffstat (limited to 'net/xfrm/xfrm_algo.c')
-rw-r--r-- | net/xfrm/xfrm_algo.c | 112 |
1 files changed, 34 insertions, 78 deletions
diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c index 348196df81e..743c0134a6a 100644 --- a/net/xfrm/xfrm_algo.c +++ b/net/xfrm/xfrm_algo.c @@ -200,6 +200,40 @@ static struct xfrm_algo_desc aalg_list[] = { } }, { + .name = "hmac(sha384)", + + .uinfo = { + .auth = { + .icv_truncbits = 192, + .icv_fullbits = 384, + } + }, + + .desc = { + .sadb_alg_id = SADB_X_AALG_SHA2_384HMAC, + .sadb_alg_ivlen = 0, + .sadb_alg_minbits = 384, + .sadb_alg_maxbits = 384 + } +}, +{ + .name = "hmac(sha512)", + + .uinfo = { + .auth = { + .icv_truncbits = 256, + .icv_fullbits = 512, + } + }, + + .desc = { + .sadb_alg_id = SADB_X_AALG_SHA2_512HMAC, + .sadb_alg_ivlen = 0, + .sadb_alg_minbits = 512, + .sadb_alg_maxbits = 512 + } +}, +{ .name = "hmac(rmd160)", .compat = "rmd160", @@ -690,84 +724,6 @@ int xfrm_count_enc_supported(void) } EXPORT_SYMBOL_GPL(xfrm_count_enc_supported); -/* Move to common area: it is shared with AH. */ - -int skb_icv_walk(const struct sk_buff *skb, struct hash_desc *desc, - int offset, int len, icv_update_fn_t icv_update) -{ - int start = skb_headlen(skb); - int i, copy = start - offset; - struct sk_buff *frag_iter; - struct scatterlist sg; - int err; - - /* Checksum header. */ - if (copy > 0) { - if (copy > len) - copy = len; - - sg_init_one(&sg, skb->data + offset, copy); - - err = icv_update(desc, &sg, copy); - if (unlikely(err)) - return err; - - if ((len -= copy) == 0) - return 0; - offset += copy; - } - - for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { - int end; - - WARN_ON(start > offset + len); - - end = start + skb_shinfo(skb)->frags[i].size; - if ((copy = end - offset) > 0) { - skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; - - if (copy > len) - copy = len; - - sg_init_table(&sg, 1); - sg_set_page(&sg, frag->page, copy, - frag->page_offset + offset-start); - - err = icv_update(desc, &sg, copy); - if (unlikely(err)) - return err; - - if (!(len -= copy)) - return 0; - offset += copy; - } - start = end; - } - - skb_walk_frags(skb, frag_iter) { - int end; - - WARN_ON(start > offset + len); - - end = start + frag_iter->len; - if ((copy = end - offset) > 0) { - if (copy > len) - copy = len; - err = skb_icv_walk(frag_iter, desc, offset-start, - copy, icv_update); - if (unlikely(err)) - return err; - if ((len -= copy) == 0) - return 0; - offset += copy; - } - start = end; - } - BUG_ON(len); - return 0; -} -EXPORT_SYMBOL_GPL(skb_icv_walk); - #if defined(CONFIG_INET_ESP) || defined(CONFIG_INET_ESP_MODULE) || defined(CONFIG_INET6_ESP) || defined(CONFIG_INET6_ESP_MODULE) void *pskb_put(struct sk_buff *skb, struct sk_buff *tail, int len) |