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Diffstat (limited to 'net/xfrm/xfrm_algo.c')
-rw-r--r--net/xfrm/xfrm_algo.c111
1 files changed, 64 insertions, 47 deletions
diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c
index f1cf3402e75..f373a8a7d9c 100644
--- a/net/xfrm/xfrm_algo.c
+++ b/net/xfrm/xfrm_algo.c
@@ -1,11 +1,11 @@
-/*
+/*
* xfrm algorithm interface
*
* Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
+ * Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*/
@@ -32,14 +32,14 @@ static struct xfrm_algo_desc aalg_list[] = {
{
.name = "hmac(digest_null)",
.compat = "digest_null",
-
+
.uinfo = {
.auth = {
.icv_truncbits = 0,
.icv_fullbits = 0,
}
},
-
+
.desc = {
.sadb_alg_id = SADB_X_AALG_NULL,
.sadb_alg_ivlen = 0,
@@ -57,7 +57,7 @@ static struct xfrm_algo_desc aalg_list[] = {
.icv_fullbits = 128,
}
},
-
+
.desc = {
.sadb_alg_id = SADB_AALG_MD5HMAC,
.sadb_alg_ivlen = 0,
@@ -142,14 +142,14 @@ static struct xfrm_algo_desc ealg_list[] = {
{
.name = "ecb(cipher_null)",
.compat = "cipher_null",
-
+
.uinfo = {
.encr = {
.blockbits = 8,
.defkeybits = 0,
}
},
-
+
.desc = {
.sadb_alg_id = SADB_EALG_NULL,
.sadb_alg_ivlen = 0,
@@ -248,40 +248,57 @@ static struct xfrm_algo_desc ealg_list[] = {
}
},
{
- .name = "cbc(serpent)",
- .compat = "serpent",
-
- .uinfo = {
- .encr = {
- .blockbits = 128,
- .defkeybits = 128,
- }
- },
-
- .desc = {
- .sadb_alg_id = SADB_X_EALG_SERPENTCBC,
- .sadb_alg_ivlen = 8,
- .sadb_alg_minbits = 128,
- .sadb_alg_maxbits = 256,
- }
+ .name = "cbc(serpent)",
+ .compat = "serpent",
+
+ .uinfo = {
+ .encr = {
+ .blockbits = 128,
+ .defkeybits = 128,
+ }
+ },
+
+ .desc = {
+ .sadb_alg_id = SADB_X_EALG_SERPENTCBC,
+ .sadb_alg_ivlen = 8,
+ .sadb_alg_minbits = 128,
+ .sadb_alg_maxbits = 256,
+ }
+},
+{
+ .name = "cbc(camellia)",
+
+ .uinfo = {
+ .encr = {
+ .blockbits = 128,
+ .defkeybits = 128,
+ }
+ },
+
+ .desc = {
+ .sadb_alg_id = SADB_X_EALG_CAMELLIACBC,
+ .sadb_alg_ivlen = 8,
+ .sadb_alg_minbits = 128,
+ .sadb_alg_maxbits = 256
+ }
},
{
- .name = "cbc(twofish)",
- .compat = "twofish",
-
- .uinfo = {
- .encr = {
- .blockbits = 128,
- .defkeybits = 128,
- }
- },
-
- .desc = {
- .sadb_alg_id = SADB_X_EALG_TWOFISHCBC,
- .sadb_alg_ivlen = 8,
- .sadb_alg_minbits = 128,
- .sadb_alg_maxbits = 256
- }
+ .name = "cbc(twofish)",
+ .compat = "twofish",
+
+ .uinfo = {
+ .encr = {
+ .blockbits = 128,
+ .defkeybits = 128,
+ }
+ },
+
+ .desc = {
+ .sadb_alg_id = SADB_X_EALG_TWOFISHCBC,
+ .sadb_alg_ivlen = 8,
+ .sadb_alg_minbits = 128,
+ .sadb_alg_maxbits = 256
+ }
},
};
@@ -461,7 +478,7 @@ void xfrm_probe_algs(void)
{
#ifdef CONFIG_CRYPTO
int i, status;
-
+
BUG_ON(in_softirq());
for (i = 0; i < aalg_entries(); i++) {
@@ -470,14 +487,14 @@ void xfrm_probe_algs(void)
if (aalg_list[i].available != status)
aalg_list[i].available = status;
}
-
+
for (i = 0; i < ealg_entries(); i++) {
status = crypto_has_blkcipher(ealg_list[i].name, 0,
CRYPTO_ALG_ASYNC);
if (ealg_list[i].available != status)
ealg_list[i].available = status;
}
-
+
for (i = 0; i < calg_entries(); i++) {
status = crypto_has_comp(calg_list[i].name, 0,
CRYPTO_ALG_ASYNC);
@@ -524,15 +541,15 @@ int skb_icv_walk(const struct sk_buff *skb, struct hash_desc *desc,
if (copy > 0) {
if (copy > len)
copy = len;
-
+
sg.page = virt_to_page(skb->data + offset);
sg.offset = (unsigned long)(skb->data + offset) % PAGE_SIZE;
sg.length = copy;
-
+
err = icv_update(desc, &sg, copy);
if (unlikely(err))
return err;
-
+
if ((len -= copy) == 0)
return 0;
offset += copy;
@@ -549,11 +566,11 @@ int skb_icv_walk(const struct sk_buff *skb, struct hash_desc *desc,
if (copy > len)
copy = len;
-
+
sg.page = frag->page;
sg.offset = frag->page_offset + offset-start;
sg.length = copy;
-
+
err = icv_update(desc, &sg, copy);
if (unlikely(err))
return err;