-/*
+/*
* 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.
*/
*/
static struct xfrm_algo_desc aalg_list[] = {
{
- .name = "digest_null",
-
+ .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,
}
},
{
- .name = "md5",
+ .name = "hmac(md5)",
+ .compat = "md5",
.uinfo = {
.auth = {
.icv_fullbits = 128,
}
},
-
+
.desc = {
.sadb_alg_id = SADB_AALG_MD5HMAC,
.sadb_alg_ivlen = 0,
}
},
{
- .name = "sha1",
+ .name = "hmac(sha1)",
+ .compat = "sha1",
.uinfo = {
.auth = {
}
},
{
- .name = "sha256",
+ .name = "hmac(sha256)",
+ .compat = "sha256",
.uinfo = {
.auth = {
}
},
{
- .name = "ripemd160",
+ .name = "hmac(ripemd160)",
+ .compat = "ripemd160",
.uinfo = {
.auth = {
.sadb_alg_maxbits = 160
}
},
+{
+ .name = "xcbc(aes)",
+
+ .uinfo = {
+ .auth = {
+ .icv_truncbits = 96,
+ .icv_fullbits = 128,
+ }
+ },
+
+ .desc = {
+ .sadb_alg_id = SADB_X_AALG_AES_XCBC_MAC,
+ .sadb_alg_ivlen = 0,
+ .sadb_alg_minbits = 128,
+ .sadb_alg_maxbits = 128
+ }
+},
};
static struct xfrm_algo_desc ealg_list[] = {
{
- .name = "cipher_null",
-
+ .name = "ecb(cipher_null)",
+ .compat = "cipher_null",
+
.uinfo = {
.encr = {
.blockbits = 8,
.defkeybits = 0,
}
},
-
+
.desc = {
.sadb_alg_id = SADB_EALG_NULL,
.sadb_alg_ivlen = 0,
}
},
{
- .name = "des",
+ .name = "cbc(des)",
+ .compat = "des",
.uinfo = {
.encr = {
}
},
{
- .name = "des3_ede",
+ .name = "cbc(des3_ede)",
+ .compat = "des3_ede",
.uinfo = {
.encr = {
}
},
{
- .name = "cast128",
+ .name = "cbc(cast128)",
+ .compat = "cast128",
.uinfo = {
.encr = {
}
},
{
- .name = "blowfish",
+ .name = "cbc(blowfish)",
+ .compat = "blowfish",
.uinfo = {
.encr = {
}
},
{
- .name = "aes",
+ .name = "cbc(aes)",
+ .compat = "aes",
.uinfo = {
.encr = {
}
},
{
- .name = "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 = "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(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
+ }
},
};
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;
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)
if (!probe)
break;
- status = crypto_alg_available(name, 0);
+ status = crypto_has_alg(list[i].name, type,
+ mask | CRYPTO_ALG_ASYNC);
if (!status)
break;
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);
{
#ifdef CONFIG_CRYPTO
int i, status;
-
+
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;
}
/* 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. */
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;
-
- 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;
}
if (copy > len)
copy = len;
-
+
sg.page = frag->page;
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;
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);