#include <linux/kernel.h>
#include <linux/pfkeyv2.h>
#include <linux/crypto.h>
+#include <linux/scatterlist.h>
#include <net/xfrm.h>
#if defined(CONFIG_INET_AH) || defined(CONFIG_INET_AH_MODULE) || defined(CONFIG_INET6_AH) || defined(CONFIG_INET6_AH_MODULE)
#include <net/ah.h>
#if defined(CONFIG_INET_ESP) || defined(CONFIG_INET_ESP_MODULE) || defined(CONFIG_INET6_ESP) || defined(CONFIG_INET6_ESP_MODULE)
#include <net/esp.h>
#endif
-#include <asm/scatterlist.h>
/*
* Algorithms supported by IPsec. These entries contain properties which
* that instantiated crypto transforms have correct parameters for IPsec
* purposes.
*/
+static struct xfrm_algo_desc aead_list[] = {
+{
+ .name = "rfc4106(gcm(aes))",
+
+ .uinfo = {
+ .aead = {
+ .icv_truncbits = 64,
+ }
+ },
+
+ .desc = {
+ .sadb_alg_id = SADB_X_EALG_AES_GCM_ICV8,
+ .sadb_alg_ivlen = 8,
+ .sadb_alg_minbits = 128,
+ .sadb_alg_maxbits = 256
+ }
+},
+{
+ .name = "rfc4106(gcm(aes))",
+
+ .uinfo = {
+ .aead = {
+ .icv_truncbits = 96,
+ }
+ },
+
+ .desc = {
+ .sadb_alg_id = SADB_X_EALG_AES_GCM_ICV12,
+ .sadb_alg_ivlen = 8,
+ .sadb_alg_minbits = 128,
+ .sadb_alg_maxbits = 256
+ }
+},
+{
+ .name = "rfc4106(gcm(aes))",
+
+ .uinfo = {
+ .aead = {
+ .icv_truncbits = 128,
+ }
+ },
+
+ .desc = {
+ .sadb_alg_id = SADB_X_EALG_AES_GCM_ICV16,
+ .sadb_alg_ivlen = 8,
+ .sadb_alg_minbits = 128,
+ .sadb_alg_maxbits = 256
+ }
+},
+{
+ .name = "rfc4309(ccm(aes))",
+
+ .uinfo = {
+ .aead = {
+ .icv_truncbits = 64,
+ }
+ },
+
+ .desc = {
+ .sadb_alg_id = SADB_X_EALG_AES_CCM_ICV8,
+ .sadb_alg_ivlen = 8,
+ .sadb_alg_minbits = 128,
+ .sadb_alg_maxbits = 256
+ }
+},
+{
+ .name = "rfc4309(ccm(aes))",
+
+ .uinfo = {
+ .aead = {
+ .icv_truncbits = 96,
+ }
+ },
+
+ .desc = {
+ .sadb_alg_id = SADB_X_EALG_AES_CCM_ICV12,
+ .sadb_alg_ivlen = 8,
+ .sadb_alg_minbits = 128,
+ .sadb_alg_maxbits = 256
+ }
+},
+{
+ .name = "rfc4309(ccm(aes))",
+
+ .uinfo = {
+ .aead = {
+ .icv_truncbits = 128,
+ }
+ },
+
+ .desc = {
+ .sadb_alg_id = SADB_X_EALG_AES_CCM_ICV16,
+ .sadb_alg_ivlen = 8,
+ .sadb_alg_minbits = 128,
+ .sadb_alg_maxbits = 256
+ }
+},
+};
+
static struct xfrm_algo_desc aalg_list[] = {
{
- .name = "hmac(digest_null)",
- .compat = "digest_null",
+ .name = "digest_null",
.uinfo = {
.auth = {
}
},
{
- .name = "hmac(ripemd160)",
- .compat = "ripemd160",
+ .name = "hmac(rmd160)",
+ .compat = "rmd160",
.uinfo = {
.auth = {
.sadb_alg_maxbits = 256
}
},
+{
+ .name = "rfc3686(ctr(aes))",
+
+ .uinfo = {
+ .encr = {
+ .blockbits = 128,
+ .defkeybits = 160, /* 128-bit key + 32-bit nonce */
+ }
+ },
+
+ .desc = {
+ .sadb_alg_id = SADB_X_EALG_AESCTR,
+ .sadb_alg_ivlen = 8,
+ .sadb_alg_minbits = 128,
+ .sadb_alg_maxbits = 256
+ }
+},
};
static struct xfrm_algo_desc calg_list[] = {
},
};
+static inline int aead_entries(void)
+{
+ return ARRAY_SIZE(aead_list);
+}
+
static inline int aalg_entries(void)
{
return ARRAY_SIZE(aalg_list);
u32 mask;
};
+static const struct xfrm_algo_list xfrm_aead_list = {
+ .algs = aead_list,
+ .entries = ARRAY_SIZE(aead_list),
+ .type = CRYPTO_ALG_TYPE_AEAD,
+ .mask = CRYPTO_ALG_TYPE_MASK,
+};
+
static const struct xfrm_algo_list xfrm_aalg_list = {
.algs = aalg_list,
.entries = ARRAY_SIZE(aalg_list),
.type = CRYPTO_ALG_TYPE_HASH,
- .mask = CRYPTO_ALG_TYPE_HASH_MASK | CRYPTO_ALG_ASYNC,
+ .mask = CRYPTO_ALG_TYPE_HASH_MASK,
};
static const struct xfrm_algo_list xfrm_ealg_list = {
.algs = ealg_list,
.entries = ARRAY_SIZE(ealg_list),
.type = CRYPTO_ALG_TYPE_BLKCIPHER,
- .mask = CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC,
+ .mask = CRYPTO_ALG_TYPE_BLKCIPHER_MASK,
};
static const struct xfrm_algo_list xfrm_calg_list = {
.algs = calg_list,
.entries = ARRAY_SIZE(calg_list),
.type = CRYPTO_ALG_TYPE_COMPRESS,
- .mask = CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC,
+ .mask = CRYPTO_ALG_TYPE_MASK,
};
static struct xfrm_algo_desc *xfrm_find_algo(
static int xfrm_alg_id_match(const struct xfrm_algo_desc *entry,
const void *data)
{
- return entry->desc.sadb_alg_id == (int)data;
+ return entry->desc.sadb_alg_id == (unsigned long)data;
}
struct xfrm_algo_desc *xfrm_aalg_get_byid(int alg_id)
{
return xfrm_find_algo(&xfrm_aalg_list, xfrm_alg_id_match,
- (void *)alg_id, 1);
+ (void *)(unsigned long)alg_id, 1);
}
EXPORT_SYMBOL_GPL(xfrm_aalg_get_byid);
struct xfrm_algo_desc *xfrm_ealg_get_byid(int alg_id)
{
return xfrm_find_algo(&xfrm_ealg_list, xfrm_alg_id_match,
- (void *)alg_id, 1);
+ (void *)(unsigned long)alg_id, 1);
}
EXPORT_SYMBOL_GPL(xfrm_ealg_get_byid);
struct xfrm_algo_desc *xfrm_calg_get_byid(int alg_id)
{
return xfrm_find_algo(&xfrm_calg_list, xfrm_alg_id_match,
- (void *)alg_id, 1);
+ (void *)(unsigned long)alg_id, 1);
}
EXPORT_SYMBOL_GPL(xfrm_calg_get_byid);
}
EXPORT_SYMBOL_GPL(xfrm_calg_get_byname);
+struct xfrm_aead_name {
+ const char *name;
+ int icvbits;
+};
+
+static int xfrm_aead_name_match(const struct xfrm_algo_desc *entry,
+ const void *data)
+{
+ const struct xfrm_aead_name *aead = data;
+ const char *name = aead->name;
+
+ return aead->icvbits == entry->uinfo.aead.icv_truncbits && name &&
+ !strcmp(name, entry->name);
+}
+
+struct xfrm_algo_desc *xfrm_aead_get_byname(char *name, int icv_len, int probe)
+{
+ struct xfrm_aead_name data = {
+ .name = name,
+ .icvbits = icv_len,
+ };
+
+ return xfrm_find_algo(&xfrm_aead_list, xfrm_aead_name_match, &data,
+ probe);
+}
+EXPORT_SYMBOL_GPL(xfrm_aead_get_byname);
+
struct xfrm_algo_desc *xfrm_aalg_get_byidx(unsigned int idx)
{
if (idx >= aalg_entries())
*/
void xfrm_probe_algs(void)
{
-#ifdef CONFIG_CRYPTO
int i, status;
BUG_ON(in_softirq());
if (calg_list[i].available != status)
calg_list[i].available = status;
}
-#endif
}
EXPORT_SYMBOL_GPL(xfrm_probe_algs);
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;
+ sg_init_one(&sg, skb->data + offset, copy);
err = icv_update(desc, &sg, copy);
if (unlikely(err))
for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) {
int end;
- BUG_TRAP(start <= offset + len);
+ WARN_ON(start > offset + len);
end = start + skb_shinfo(skb)->frags[i].size;
if ((copy = end - offset) > 0) {
if (copy > len)
copy = len;
- sg.page = frag->page;
- sg.offset = frag->page_offset + offset-start;
- sg.length = copy;
+ 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))
for (; list; list = list->next) {
int end;
- BUG_TRAP(start <= offset + len);
+ WARN_ON(start > offset + len);
end = start + list->len;
if ((copy = end - offset) > 0) {
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff