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Diffstat (limited to 'net/xfrm/xfrm_algo.c')
-rw-r--r--net/xfrm/xfrm_algo.c94
1 files changed, 63 insertions, 31 deletions
diff --git a/net/xfrm/xfrm_algo.c b/net/xfrm/xfrm_algo.c
index 04e1aea58bc9..5a0dbeb6bbe8 100644
--- a/net/xfrm/xfrm_algo.c
+++ b/net/xfrm/xfrm_algo.c
@@ -30,7 +30,8 @@
*/
static struct xfrm_algo_desc aalg_list[] = {
{
- .name = "digest_null",
+ .name = "hmac(digest_null)",
+ .compat = "digest_null",
.uinfo = {
.auth = {
@@ -47,7 +48,8 @@ static struct xfrm_algo_desc aalg_list[] = {
}
},
{
- .name = "md5",
+ .name = "hmac(md5)",
+ .compat = "md5",
.uinfo = {
.auth = {
@@ -64,7 +66,8 @@ static struct xfrm_algo_desc aalg_list[] = {
}
},
{
- .name = "sha1",
+ .name = "hmac(sha1)",
+ .compat = "sha1",
.uinfo = {
.auth = {
@@ -81,7 +84,8 @@ static struct xfrm_algo_desc aalg_list[] = {
}
},
{
- .name = "sha256",
+ .name = "hmac(sha256)",
+ .compat = "sha256",
.uinfo = {
.auth = {
@@ -98,7 +102,8 @@ static struct xfrm_algo_desc aalg_list[] = {
}
},
{
- .name = "ripemd160",
+ .name = "hmac(ripemd160)",
+ .compat = "ripemd160",
.uinfo = {
.auth = {
@@ -118,7 +123,8 @@ static struct xfrm_algo_desc aalg_list[] = {
static struct xfrm_algo_desc ealg_list[] = {
{
- .name = "cipher_null",
+ .name = "ecb(cipher_null)",
+ .compat = "cipher_null",
.uinfo = {
.encr = {
@@ -135,7 +141,8 @@ static struct xfrm_algo_desc ealg_list[] = {
}
},
{
- .name = "des",
+ .name = "cbc(des)",
+ .compat = "des",
.uinfo = {
.encr = {
@@ -152,7 +159,8 @@ static struct xfrm_algo_desc ealg_list[] = {
}
},
{
- .name = "des3_ede",
+ .name = "cbc(des3_ede)",
+ .compat = "des3_ede",
.uinfo = {
.encr = {
@@ -169,7 +177,8 @@ static struct xfrm_algo_desc ealg_list[] = {
}
},
{
- .name = "cast128",
+ .name = "cbc(cast128)",
+ .compat = "cast128",
.uinfo = {
.encr = {
@@ -186,7 +195,8 @@ static struct xfrm_algo_desc ealg_list[] = {
}
},
{
- .name = "blowfish",
+ .name = "cbc(blowfish)",
+ .compat = "blowfish",
.uinfo = {
.encr = {
@@ -203,7 +213,8 @@ static struct xfrm_algo_desc ealg_list[] = {
}
},
{
- .name = "aes",
+ .name = "cbc(aes)",
+ .compat = "aes",
.uinfo = {
.encr = {
@@ -220,7 +231,8 @@ static struct xfrm_algo_desc ealg_list[] = {
}
},
{
- .name = "serpent",
+ .name = "cbc(serpent)",
+ .compat = "serpent",
.uinfo = {
.encr = {
@@ -237,7 +249,8 @@ static struct xfrm_algo_desc ealg_list[] = {
}
},
{
- .name = "twofish",
+ .name = "cbc(twofish)",
+ .compat = "twofish",
.uinfo = {
.encr = {
@@ -350,8 +363,8 @@ struct xfrm_algo_desc *xfrm_calg_get_byid(int alg_id)
EXPORT_SYMBOL_GPL(xfrm_calg_get_byid);
static struct xfrm_algo_desc *xfrm_get_byname(struct xfrm_algo_desc *list,
- int entries, char *name,
- int probe)
+ int entries, u32 type, u32 mask,
+ char *name, int probe)
{
int i, status;
@@ -359,7 +372,8 @@ static struct xfrm_algo_desc *xfrm_get_byname(struct xfrm_algo_desc *list,
return NULL;
for (i = 0; i < entries; i++) {
- if (strcmp(name, list[i].name))
+ if (strcmp(name, list[i].name) &&
+ (!list[i].compat || strcmp(name, list[i].compat)))
continue;
if (list[i].available)
@@ -368,7 +382,7 @@ static struct xfrm_algo_desc *xfrm_get_byname(struct xfrm_algo_desc *list,
if (!probe)
break;
- status = crypto_alg_available(name, 0);
+ status = crypto_has_alg(name, type, mask | CRYPTO_ALG_ASYNC);
if (!status)
break;
@@ -380,19 +394,25 @@ static struct xfrm_algo_desc *xfrm_get_byname(struct xfrm_algo_desc *list,
struct xfrm_algo_desc *xfrm_aalg_get_byname(char *name, int probe)
{
- return xfrm_get_byname(aalg_list, aalg_entries(), name, probe);
+ return xfrm_get_byname(aalg_list, aalg_entries(),
+ CRYPTO_ALG_TYPE_HASH, CRYPTO_ALG_TYPE_HASH_MASK,
+ name, probe);
}
EXPORT_SYMBOL_GPL(xfrm_aalg_get_byname);
struct xfrm_algo_desc *xfrm_ealg_get_byname(char *name, int probe)
{
- return xfrm_get_byname(ealg_list, ealg_entries(), name, probe);
+ return xfrm_get_byname(ealg_list, ealg_entries(),
+ CRYPTO_ALG_TYPE_BLKCIPHER, CRYPTO_ALG_TYPE_MASK,
+ name, probe);
}
EXPORT_SYMBOL_GPL(xfrm_ealg_get_byname);
struct xfrm_algo_desc *xfrm_calg_get_byname(char *name, int probe)
{
- return xfrm_get_byname(calg_list, calg_entries(), name, probe);
+ return xfrm_get_byname(calg_list, calg_entries(),
+ CRYPTO_ALG_TYPE_COMPRESS, CRYPTO_ALG_TYPE_MASK,
+ name, probe);
}
EXPORT_SYMBOL_GPL(xfrm_calg_get_byname);
@@ -427,19 +447,22 @@ void xfrm_probe_algs(void)
BUG_ON(in_softirq());
for (i = 0; i < aalg_entries(); i++) {
- status = crypto_alg_available(aalg_list[i].name, 0);
+ status = crypto_has_hash(aalg_list[i].name, 0,
+ CRYPTO_ALG_ASYNC);
if (aalg_list[i].available != status)
aalg_list[i].available = status;
}
for (i = 0; i < ealg_entries(); i++) {
- status = crypto_alg_available(ealg_list[i].name, 0);
+ 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_alg_available(calg_list[i].name, 0);
+ status = crypto_has_comp(calg_list[i].name, 0,
+ CRYPTO_ALG_ASYNC);
if (calg_list[i].available != status)
calg_list[i].available = status;
}
@@ -471,11 +494,12 @@ EXPORT_SYMBOL_GPL(xfrm_count_enc_supported);
/* Move to common area: it is shared with AH. */
-void skb_icv_walk(const struct sk_buff *skb, struct crypto_tfm *tfm,
- int offset, int len, icv_update_fn_t icv_update)
+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;
+ int err;
struct scatterlist sg;
/* Checksum header. */
@@ -487,10 +511,12 @@ void skb_icv_walk(const struct sk_buff *skb, struct crypto_tfm *tfm,
sg.offset = (unsigned long)(skb->data + offset) % PAGE_SIZE;
sg.length = copy;
- icv_update(tfm, &sg, 1);
+ err = icv_update(desc, &sg, copy);
+ if (unlikely(err))
+ return err;
if ((len -= copy) == 0)
- return;
+ return 0;
offset += copy;
}
@@ -510,10 +536,12 @@ void skb_icv_walk(const struct sk_buff *skb, struct crypto_tfm *tfm,
sg.offset = frag->page_offset + offset-start;
sg.length = copy;
- icv_update(tfm, &sg, 1);
+ err = icv_update(desc, &sg, copy);
+ if (unlikely(err))
+ return err;
if (!(len -= copy))
- return;
+ return 0;
offset += copy;
}
start = end;
@@ -531,15 +559,19 @@ void skb_icv_walk(const struct sk_buff *skb, struct crypto_tfm *tfm,
if ((copy = end - offset) > 0) {
if (copy > len)
copy = len;
- skb_icv_walk(list, tfm, offset-start, copy, icv_update);
+ err = skb_icv_walk(list, desc, offset-start,
+ copy, icv_update);
+ if (unlikely(err))
+ return err;
if ((len -= copy) == 0)
- return;
+ return 0;
offset += copy;
}
start = end;
}
}
BUG_ON(len);
+ return 0;
}
EXPORT_SYMBOL_GPL(skb_icv_walk);