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authorJeff Garzik <jeff@garzik.org>2006-09-22 20:10:23 -0400
committerJeff Garzik <jeff@garzik.org>2006-09-22 20:10:23 -0400
commit28eb177dfa5982d132edceed891cb3885df258bb (patch)
tree5f8fdc37ad1d8d0793e9c47da7d908b97c814ffb /net
parentfd8ae94eea9bb4269d6dff1b47b9dc741bd70d0b (diff)
parentdb392219c5f572610645696e3672f6ea38783a65 (diff)
Merge branch 'master' into upstream
Conflicts: net/ieee80211/ieee80211_crypt_tkip.c net/ieee80211/ieee80211_crypt_wep.c
Diffstat (limited to 'net')
-rw-r--r--net/ieee80211/ieee80211_crypt_ccmp.c32
-rw-r--r--net/ieee80211/ieee80211_crypt_tkip.c100
-rw-r--r--net/ieee80211/ieee80211_crypt_wep.c35
-rw-r--r--net/ipv4/Kconfig1
-rw-r--r--net/ipv4/ah4.c36
-rw-r--r--net/ipv4/esp4.c85
-rw-r--r--net/ipv4/ipcomp.c25
-rw-r--r--net/ipv6/Kconfig1
-rw-r--r--net/ipv6/ah6.c35
-rw-r--r--net/ipv6/esp6.c90
-rw-r--r--net/ipv6/ipcomp6.c25
-rw-r--r--net/sctp/endpointola.c2
-rw-r--r--net/sctp/sm_make_chunk.c37
-rw-r--r--net/sctp/socket.c6
-rw-r--r--net/sunrpc/auth_gss/gss_krb5_crypto.c95
-rw-r--r--net/sunrpc/auth_gss/gss_krb5_mech.c24
-rw-r--r--net/sunrpc/auth_gss/gss_krb5_seqnum.c4
-rw-r--r--net/sunrpc/auth_gss/gss_krb5_wrap.c4
-rw-r--r--net/sunrpc/auth_gss/gss_spkm3_mech.c29
-rw-r--r--net/xfrm/xfrm_algo.c94
-rw-r--r--net/xfrm/xfrm_user.c2
21 files changed, 443 insertions, 319 deletions
diff --git a/net/ieee80211/ieee80211_crypt_ccmp.c b/net/ieee80211/ieee80211_crypt_ccmp.c
index 098c66846339..35aa3426c3fa 100644
--- a/net/ieee80211/ieee80211_crypt_ccmp.c
+++ b/net/ieee80211/ieee80211_crypt_ccmp.c
@@ -9,6 +9,7 @@
* more details.
*/
+#include <linux/err.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
@@ -48,7 +49,7 @@ struct ieee80211_ccmp_data {
int key_idx;
- struct crypto_tfm *tfm;
+ struct crypto_cipher *tfm;
/* scratch buffers for virt_to_page() (crypto API) */
u8 tx_b0[AES_BLOCK_LEN], tx_b[AES_BLOCK_LEN],
@@ -56,20 +57,10 @@ struct ieee80211_ccmp_data {
u8 rx_b0[AES_BLOCK_LEN], rx_b[AES_BLOCK_LEN], rx_a[AES_BLOCK_LEN];
};
-static void ieee80211_ccmp_aes_encrypt(struct crypto_tfm *tfm,
- const u8 pt[16], u8 ct[16])
+static inline void ieee80211_ccmp_aes_encrypt(struct crypto_cipher *tfm,
+ const u8 pt[16], u8 ct[16])
{
- struct scatterlist src, dst;
-
- src.page = virt_to_page(pt);
- src.offset = offset_in_page(pt);
- src.length = AES_BLOCK_LEN;
-
- dst.page = virt_to_page(ct);
- dst.offset = offset_in_page(ct);
- dst.length = AES_BLOCK_LEN;
-
- crypto_cipher_encrypt(tfm, &dst, &src, AES_BLOCK_LEN);
+ crypto_cipher_encrypt_one(tfm, ct, pt);
}
static void *ieee80211_ccmp_init(int key_idx)
@@ -81,10 +72,11 @@ static void *ieee80211_ccmp_init(int key_idx)
goto fail;
priv->key_idx = key_idx;
- priv->tfm = crypto_alloc_tfm("aes", 0);
- if (priv->tfm == NULL) {
+ priv->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC);
+ if (IS_ERR(priv->tfm)) {
printk(KERN_DEBUG "ieee80211_crypt_ccmp: could not allocate "
"crypto API aes\n");
+ priv->tfm = NULL;
goto fail;
}
@@ -93,7 +85,7 @@ static void *ieee80211_ccmp_init(int key_idx)
fail:
if (priv) {
if (priv->tfm)
- crypto_free_tfm(priv->tfm);
+ crypto_free_cipher(priv->tfm);
kfree(priv);
}
@@ -104,7 +96,7 @@ static void ieee80211_ccmp_deinit(void *priv)
{
struct ieee80211_ccmp_data *_priv = priv;
if (_priv && _priv->tfm)
- crypto_free_tfm(_priv->tfm);
+ crypto_free_cipher(_priv->tfm);
kfree(priv);
}
@@ -115,7 +107,7 @@ static inline void xor_block(u8 * b, u8 * a, size_t len)
b[i] ^= a[i];
}
-static void ccmp_init_blocks(struct crypto_tfm *tfm,
+static void ccmp_init_blocks(struct crypto_cipher *tfm,
struct ieee80211_hdr_4addr *hdr,
u8 * pn, size_t dlen, u8 * b0, u8 * auth, u8 * s0)
{
@@ -398,7 +390,7 @@ static int ieee80211_ccmp_set_key(void *key, int len, u8 * seq, void *priv)
{
struct ieee80211_ccmp_data *data = priv;
int keyidx;
- struct crypto_tfm *tfm = data->tfm;
+ struct crypto_cipher *tfm = data->tfm;
keyidx = data->key_idx;
memset(data, 0, sizeof(*data));
diff --git a/net/ieee80211/ieee80211_crypt_tkip.c b/net/ieee80211/ieee80211_crypt_tkip.c
index f2df2f5b3e4c..259572dfd4f1 100644
--- a/net/ieee80211/ieee80211_crypt_tkip.c
+++ b/net/ieee80211/ieee80211_crypt_tkip.c
@@ -9,6 +9,7 @@
* more details.
*/
+#include <linux/err.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
@@ -52,10 +53,10 @@ struct ieee80211_tkip_data {
int key_idx;
- struct crypto_tfm *tx_tfm_arc4;
- struct crypto_tfm *tx_tfm_michael;
- struct crypto_tfm *rx_tfm_arc4;
- struct crypto_tfm *rx_tfm_michael;
+ struct crypto_blkcipher *rx_tfm_arc4;
+ struct crypto_hash *rx_tfm_michael;
+ struct crypto_blkcipher *tx_tfm_arc4;
+ struct crypto_hash *tx_tfm_michael;
/* scratch buffers for virt_to_page() (crypto API) */
u8 rx_hdr[16], tx_hdr[16];
@@ -87,31 +88,37 @@ static void *ieee80211_tkip_init(int key_idx)
priv->key_idx = key_idx;
- priv->tx_tfm_arc4 = crypto_alloc_tfm("arc4", 0);
- if (priv->tx_tfm_arc4 == NULL) {
+ priv->tx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0,
+ CRYPTO_ALG_ASYNC);
+ if (IS_ERR(priv->tx_tfm_arc4)) {
printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate "
"crypto API arc4\n");
+ priv->tfm_arc4 = NULL;
goto fail;
}
- priv->tx_tfm_michael = crypto_alloc_tfm("michael_mic", 0);
- if (priv->tx_tfm_michael == NULL) {
+ priv->tx_tfm_michael = crypto_alloc_hash("michael_mic", 0,
+ CRYPTO_ALG_ASYNC);
+ if (IS_ERR(priv->tx_tfm_michael)) {
printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate "
"crypto API michael_mic\n");
goto fail;
}
- priv->rx_tfm_arc4 = crypto_alloc_tfm("arc4", 0);
- if (priv->rx_tfm_arc4 == NULL) {
+ priv->rx_tfm_arc4 = crypto_alloc_blkcipher("ecb(arc4)", 0,
+ CRYPTO_ALG_ASYNC);
+ if (IS_ERR(priv->rx_tfm_arc4)) {
printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate "
"crypto API arc4\n");
goto fail;
}
- priv->rx_tfm_michael = crypto_alloc_tfm("michael_mic", 0);
- if (priv->rx_tfm_michael == NULL) {
+ priv->rx_tfm_michael = crypto_alloc_hash("michael_mic", 0,
+ CRYPTO_ALG_ASYNC);
+ if (IS_ERR(priv->rx_tfm_michael)) {
printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate "
"crypto API michael_mic\n");
+ priv->tfm_michael = NULL;
goto fail;
}
@@ -120,13 +127,13 @@ static void *ieee80211_tkip_init(int key_idx)
fail:
if (priv) {
if (priv->tx_tfm_michael)
- crypto_free_tfm(priv->tx_tfm_michael);
+ crypto_free_hash(priv->tx_tfm_michael);
if (priv->tx_tfm_arc4)
- crypto_free_tfm(priv->tx_tfm_arc4);
+ crypto_free_blkcipher(priv->tx_tfm_arc4);
if (priv->rx_tfm_michael)
- crypto_free_tfm(priv->rx_tfm_michael);
+ crypto_free_hash(priv->rx_tfm_michael);
if (priv->rx_tfm_arc4)
- crypto_free_tfm(priv->rx_tfm_arc4);
+ crypto_free_blkcipher(priv->rx_tfm_arc4);
kfree(priv);
}
@@ -138,13 +145,13 @@ static void ieee80211_tkip_deinit(void *priv)
struct ieee80211_tkip_data *_priv = priv;
if (_priv) {
if (_priv->tx_tfm_michael)
- crypto_free_tfm(_priv->tx_tfm_michael);
+ crypto_free_hash(_priv->tx_tfm_michael);
if (_priv->tx_tfm_arc4)
- crypto_free_tfm(_priv->tx_tfm_arc4);
+ crypto_free_blkcipher(_priv->tx_tfm_arc4);
if (_priv->rx_tfm_michael)
- crypto_free_tfm(_priv->rx_tfm_michael);
+ crypto_free_hash(_priv->rx_tfm_michael);
if (_priv->rx_tfm_arc4)
- crypto_free_tfm(_priv->rx_tfm_arc4);
+ crypto_free_blkcipher(_priv->rx_tfm_arc4);
}
kfree(priv);
}
@@ -344,6 +351,7 @@ static int ieee80211_tkip_hdr(struct sk_buff *skb, int hdr_len,
static int ieee80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
{
struct ieee80211_tkip_data *tkey = priv;
+ struct blkcipher_desc desc = { .tfm = tkey->tx_tfm_arc4 };
int len;
u8 rc4key[16], *pos, *icv;
u32 crc;
@@ -377,31 +385,17 @@ static int ieee80211_tkip_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
icv[2] = crc >> 16;
icv[3] = crc >> 24;
- crypto_cipher_setkey(tkey->tx_tfm_arc4, rc4key, 16);
+ crypto_blkcipher_setkey(tkey->tx_tfm_arc4, rc4key, 16);
sg.page = virt_to_page(pos);
sg.offset = offset_in_page(pos);
sg.length = len + 4;
- crypto_cipher_encrypt(tkey->tx_tfm_arc4, &sg, &sg, len + 4);
-
- return 0;
-}
-
-/*
- * deal with seq counter wrapping correctly.
- * refer to timer_after() for jiffies wrapping handling
- */
-static inline int tkip_replay_check(u32 iv32_n, u16 iv16_n,
- u32 iv32_o, u16 iv16_o)
-{
- if ((s32)iv32_n - (s32)iv32_o < 0 ||
- (iv32_n == iv32_o && iv16_n <= iv16_o))
- return 1;
- return 0;
+ return crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4);
}
static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
{
struct ieee80211_tkip_data *tkey = priv;
+ struct blkcipher_desc desc = { .tfm = tkey->rx_tfm_arc4 };
u8 rc4key[16];
u8 keyidx, *pos;
u32 iv32;
@@ -472,11 +466,18 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
plen = skb->len - hdr_len - 12;
- crypto_cipher_setkey(tkey->rx_tfm_arc4, rc4key, 16);
+ crypto_blkcipher_setkey(tkey->rx_tfm_arc4, rc4key, 16);
sg.page = virt_to_page(pos);
sg.offset = offset_in_page(pos);
sg.length = plen + 4;
- crypto_cipher_decrypt(tkey->rx_tfm_arc4, &sg, &sg, plen + 4);
+ if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4)) {
+ if (net_ratelimit()) {
+ printk(KERN_DEBUG ": TKIP: failed to decrypt "
+ "received packet from " MAC_FMT "\n",
+ MAC_ARG(hdr->addr2));
+ }
+ return -7;
+ }
crc = ~crc32_le(~0, pos, plen);
icv[0] = crc;
@@ -510,9 +511,10 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
return keyidx;
}
-static int michael_mic(struct crypto_tfm *tfm_michael, u8 * key, u8 * hdr,
+static int michael_mic(struct crypto_hash *tfm_michael, u8 * key, u8 * hdr,
u8 * data, size_t data_len, u8 * mic)
{
+ struct hash_desc desc;
struct scatterlist sg[2];
if (tfm_michael == NULL) {
@@ -527,12 +529,12 @@ static int michael_mic(struct crypto_tfm *tfm_michael, u8 * key, u8 * hdr,
sg[1].offset = offset_in_page(data);
sg[1].length = data_len;
- crypto_digest_init(tfm_michael);
- crypto_digest_setkey(tfm_michael, key, 8);
- crypto_digest_update(tfm_michael, sg, 2);
- crypto_digest_final(tfm_michael, mic);
+ if (crypto_hash_setkey(tfm_michael, key, 8))
+ return -1;
- return 0;
+ desc.tfm = tfm_michael;
+ desc.flags = 0;
+ return crypto_hash_digest(&desc, sg, data_len + 16, mic);
}
static void michael_mic_hdr(struct sk_buff *skb, u8 * hdr)
@@ -656,10 +658,10 @@ static int ieee80211_tkip_set_key(void *key, int len, u8 * seq, void *priv)
{
struct ieee80211_tkip_data *tkey = priv;
int keyidx;
- struct crypto_tfm *tfm = tkey->tx_tfm_michael;
- struct crypto_tfm *tfm2 = tkey->tx_tfm_arc4;
- struct crypto_tfm *tfm3 = tkey->rx_tfm_michael;
- struct crypto_tfm *tfm4 = tkey->rx_tfm_arc4;
+ struct crypto_hash *tfm = tkey->tx_tfm_michael;
+ struct crypto_blkcipher *tfm2 = tkey->tx_tfm_arc4;
+ struct crypto_hash *tfm3 = tkey->rx_tfm_michael;
+ struct crypto_blkcipher *tfm4 = tkey->rx_tfm_arc4;
keyidx = tkey->key_idx;
memset(tkey, 0, sizeof(*tkey));
diff --git a/net/ieee80211/ieee80211_crypt_wep.c b/net/ieee80211/ieee80211_crypt_wep.c
index b435b28857ed..9eeec13c28b0 100644
--- a/net/ieee80211/ieee80211_crypt_wep.c
+++ b/net/ieee80211/ieee80211_crypt_wep.c
@@ -9,6 +9,7 @@
* more details.
*/
+#include <linux/err.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
@@ -32,8 +33,8 @@ struct prism2_wep_data {
u8 key[WEP_KEY_LEN + 1];
u8 key_len;
u8 key_idx;
- struct crypto_tfm *tx_tfm;
- struct crypto_tfm *rx_tfm;
+ struct crypto_blkcipher *tx_tfm;
+ struct crypto_blkcipher *rx_tfm;
};
static void *prism2_wep_init(int keyidx)
@@ -45,15 +46,16 @@ static void *prism2_wep_init(int keyidx)
goto fail;
priv->key_idx = keyidx;
- priv->tx_tfm = crypto_alloc_tfm("arc4", 0);
- if (priv->tx_tfm == NULL) {
+ priv->tx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC);
+ if (IS_ERR(priv->tx_tfm)) {
printk(KERN_DEBUG "ieee80211_crypt_wep: could not allocate "
"crypto API arc4\n");
+ priv->tfm = NULL;
goto fail;
}
- priv->rx_tfm = crypto_alloc_tfm("arc4", 0);
- if (priv->rx_tfm == NULL) {
+ priv->rx_tfm = crypto_alloc_blkcipher("ecb(arc4)", 0, CRYPTO_ALG_ASYNC);
+ if (IS_ERR(priv->rx_tfm)) {
printk(KERN_DEBUG "ieee80211_crypt_wep: could not allocate "
"crypto API arc4\n");
goto fail;
@@ -66,9 +68,9 @@ static void *prism2_wep_init(int keyidx)
fail:
if (priv) {
if (priv->tx_tfm)
- crypto_free_tfm(priv->tx_tfm);
+ crypto_free_blkcipher(priv->tx_tfm);
if (priv->rx_tfm)
- crypto_free_tfm(priv->rx_tfm);
+ crypto_free_blkcipher(priv->rx_tfm);
kfree(priv);
}
return NULL;
@@ -79,9 +81,9 @@ static void prism2_wep_deinit(void *priv)
struct prism2_wep_data *_priv = priv;
if (_priv) {
if (_priv->tx_tfm)
- crypto_free_tfm(_priv->tx_tfm);
+ crypto_free_blkcipher(_priv->tx_tfm);
if (_priv->rx_tfm)
- crypto_free_tfm(_priv->rx_tfm);
+ crypto_free_blkcipher(_priv->rx_tfm);
}
kfree(priv);
}
@@ -133,6 +135,7 @@ static int prism2_wep_build_iv(struct sk_buff *skb, int hdr_len,
static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
{
struct prism2_wep_data *wep = priv;
+ struct blkcipher_desc desc = { .tfm = wep->tx_tfm };
u32 crc, klen, len;
u8 *pos, *icv;
struct scatterlist sg;
@@ -164,13 +167,11 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
icv[2] = crc >> 16;
icv[3] = crc >> 24;
- crypto_cipher_setkey(wep->tx_tfm, key, klen);
+ crypto_blkcipher_setkey(wep->tx_tfm, key, klen);
sg.page = virt_to_page(pos);
sg.offset = offset_in_page(pos);
sg.length = len + 4;
- crypto_cipher_encrypt(wep->tx_tfm, &sg, &sg, len + 4);
-
- return 0;
+ return crypto_blkcipher_encrypt(&desc, &sg, &sg, len + 4);
}
/* Perform WEP decryption on given buffer. Buffer includes whole WEP part of
@@ -183,6 +184,7 @@ static int prism2_wep_encrypt(struct sk_buff *skb, int hdr_len, void *priv)
static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
{
struct prism2_wep_data *wep = priv;
+ struct blkcipher_desc desc = { .tfm = wep->rx_tfm };
u32 crc, klen, plen;
u8 key[WEP_KEY_LEN + 3];
u8 keyidx, *pos, icv[4];
@@ -207,11 +209,12 @@ static int prism2_wep_decrypt(struct sk_buff *skb, int hdr_len, void *priv)
/* Apply RC4 to data and compute CRC32 over decrypted data */
plen = skb->len - hdr_len - 8;
- crypto_cipher_setkey(wep->rx_tfm, key, klen);
+ crypto_blkcipher_setkey(wep->rx_tfm, key, klen);
sg.page = virt_to_page(pos);
sg.offset = offset_in_page(pos);
sg.length = plen + 4;
- crypto_cipher_decrypt(wep->rx_tfm, &sg, &sg, plen + 4);
+ if (crypto_blkcipher_decrypt(&desc, &sg, &sg, plen + 4))
+ return -7;
crc = ~crc32_le(~0, pos, plen);
icv[0] = crc;
diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig
index 8514106761b0..3b5d504a74be 100644
--- a/net/ipv4/Kconfig
+++ b/net/ipv4/Kconfig
@@ -386,6 +386,7 @@ config INET_ESP
select CRYPTO
select CRYPTO_HMAC
select CRYPTO_MD5
+ select CRYPTO_CBC
select CRYPTO_SHA1
select CRYPTO_DES
---help---
diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index 1366bc6ce6a5..2b98943e6b02 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -1,3 +1,4 @@
+#include <linux/err.h>
#include <linux/module.h>
#include <net/ip.h>
#include <net/xfrm.h>
@@ -97,7 +98,10 @@ static int ah_output(struct xfrm_state *x, struct sk_buff *skb)
ah->spi = x->id.spi;
ah->seq_no = htonl(++x->replay.oseq);
xfrm_aevent_doreplay(x);
- ahp->icv(ahp, skb, ah->auth_data);
+ err = ah_mac_digest(ahp, skb, ah->auth_data);
+ if (err)
+ goto error;
+ memcpy(ah->auth_data, ahp->work_icv, ahp->icv_trunc_len);
top_iph->tos = iph->tos;
top_iph->ttl = iph->ttl;
@@ -119,6 +123,7 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb)
{
int ah_hlen;
int ihl;
+ int err = -EINVAL;
struct iphdr *iph;
struct ip_auth_hdr *ah;
struct ah_data *ahp;
@@ -166,8 +171,11 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb)
memcpy(auth_data, ah->auth_data, ahp->icv_trunc_len);
skb_push(skb, ihl);
- ahp->icv(ahp, skb, ah->auth_data);
- if (memcmp(ah->auth_data, auth_data, ahp->icv_trunc_len)) {
+ err = ah_mac_digest(ahp, skb, ah->auth_data);
+ if (err)
+ goto out;
+ err = -EINVAL;
+ if (memcmp(ahp->work_icv, auth_data, ahp->icv_trunc_len)) {
x->stats.integrity_failed++;
goto out;
}
@@ -179,7 +187,7 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb)
return 0;
out:
- return -EINVAL;
+ return err;
}
static void ah4_err(struct sk_buff *skb, u32 info)
@@ -204,6 +212,7 @@ static int ah_init_state(struct xfrm_state *x)
{
struct ah_data *ahp = NULL;
struct xfrm_algo_desc *aalg_desc;
+ struct crypto_hash *tfm;
if (!x->aalg)
goto error;
@@ -221,24 +230,27 @@ static int ah_init_state(struct xfrm_state *x)
ahp->key = x->aalg->alg_key;
ahp->key_len = (x->aalg->alg_key_len+7)/8;
- ahp->tfm = crypto_alloc_tfm(x->aalg->alg_name, 0);
- if (!ahp->tfm)
+ tfm = crypto_alloc_hash(x->aalg->alg_name, 0, CRYPTO_ALG_ASYNC);
+ if (IS_ERR(tfm))
+ goto error;
+
+ ahp->tfm = tfm;
+ if (crypto_hash_setkey(tfm, ahp->key, ahp->key_len))
goto error;
- ahp->icv = ah_hmac_digest;
/*
* Lookup the algorithm description maintained by xfrm_algo,
* verify crypto transform properties, and store information
* we need for AH processing. This lookup cannot fail here
- * after a successful crypto_alloc_tfm().
+ * after a successful crypto_alloc_hash().
*/
aalg_desc = xfrm_aalg_get_byname(x->aalg->alg_name, 0);
BUG_ON(!aalg_desc);
if (aalg_desc->uinfo.auth.icv_fullbits/8 !=
- crypto_tfm_alg_digestsize(ahp->tfm)) {
+ crypto_hash_digestsize(tfm)) {
printk(KERN_INFO "AH: %s digestsize %u != %hu\n",
- x->aalg->alg_name, crypto_tfm_alg_digestsize(ahp->tfm),
+ x->aalg->alg_name, crypto_hash_digestsize(tfm),
aalg_desc->uinfo.auth.icv_fullbits/8);
goto error;
}
@@ -262,7 +274,7 @@ static int ah_init_state(struct xfrm_state *x)
error:
if (ahp) {
kfree(ahp->work_icv);
- crypto_free_tfm(ahp->tfm);
+ crypto_free_hash(ahp->tfm);
kfree(ahp);
}
return -EINVAL;
@@ -277,7 +289,7 @@ static void ah_destroy(struct xfrm_state *x)
kfree(ahp->work_icv);
ahp->work_icv = NULL;
- crypto_free_tfm(ahp->tfm);
+ crypto_free_hash(ahp->tfm);
ahp->tfm = NULL;
kfree(ahp);
}
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index fc2f8ce441de..b428489f6ccd 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -1,3 +1,4 @@
+#include <linux/err.h>
#include <linux/module.h>
#include <net/ip.h>
#include <net/xfrm.h>
@@ -16,7 +17,8 @@ static int esp_output(struct xfrm_state *x, struct sk_buff *skb)
int err;
struct iphdr *top_iph;
struct ip_esp_hdr *esph;
- struct crypto_tfm *tfm;
+ struct crypto_blkcipher *tfm;
+ struct blkcipher_desc desc;
struct esp_data *esp;
struct sk_buff *trailer;
int blksize;
@@ -36,7 +38,9 @@ static int esp_output(struct xfrm_state *x, struct sk_buff *skb)
esp = x->data;
alen = esp->auth.icv_trunc_len;
tfm = esp->conf.tfm;
- blksize = ALIGN(crypto_tfm_alg_blocksize(tfm), 4);
+ desc.tfm = tfm;
+ desc.flags = 0;
+ blksize = ALIGN(crypto_blkcipher_blocksize(tfm), 4);
clen = ALIGN(clen + 2, blksize);
if (esp->conf.padlen)
clen = ALIGN(clen, esp->conf.padlen);
@@ -92,7 +96,7 @@ static int esp_output(struct xfrm_state *x, struct sk_buff *skb)
xfrm_aevent_doreplay(x);
if (esp->conf.ivlen)
- crypto_cipher_set_iv(tfm, esp->conf.ivec, crypto_tfm_alg_ivsize(tfm));
+ crypto_blkcipher_set_iv(tfm, esp->conf.ivec, esp->conf.ivlen);
do {
struct scatterlist *sg = &esp->sgbuf[0];
@@ -103,26 +107,27 @@ static int esp_output(struct xfrm_state *x, struct sk_buff *skb)
goto error;
}
skb_to_sgvec(skb, sg, esph->enc_data+esp->conf.ivlen-skb->data, clen);
- crypto_cipher_encrypt(tfm, sg, sg, clen);
+ err = crypto_blkcipher_encrypt(&desc, sg, sg, clen);
if (unlikely(sg != &esp->sgbuf[0]))
kfree(sg);
} while (0);
+ if (unlikely(err))
+ goto error;
+
if (esp->conf.ivlen) {
- memcpy(esph->enc_data, esp->conf.ivec, crypto_tfm_alg_ivsize(tfm));
- crypto_cipher_get_iv(tfm, esp->conf.ivec, crypto_tfm_alg_ivsize(tfm));
+ memcpy(esph->enc_data, esp->conf.ivec, esp->conf.ivlen);
+ crypto_blkcipher_get_iv(tfm, esp->conf.ivec, esp->conf.ivlen);
}
if (esp->auth.icv_full_len) {
- esp->auth.icv(esp, skb, (u8*)esph-skb->data,
- sizeof(struct ip_esp_hdr) + esp->conf.ivlen+clen, trailer->tail);
- pskb_put(skb, trailer, alen);
+ err = esp_mac_digest(esp, skb, (u8 *)esph - skb->data,
+ sizeof(*esph) + esp->conf.ivlen + clen);
+ memcpy(pskb_put(skb, trailer, alen), esp->auth.work_icv, alen);
}
ip_send_check(top_iph);
- err = 0;
-
error:
return err;
}
@@ -137,8 +142,10 @@ static int esp_input(struct xfrm_state *x, struct sk_buff *skb)
struct iphdr *iph;
struct ip_esp_hdr *esph;
struct esp_data *esp = x->data;
+ struct crypto_blkcipher *tfm = esp->conf.tfm;
+ struct blkcipher_desc desc = { .tfm = tfm };
struct sk_buff *trailer;
- int blksize = ALIGN(crypto_tfm_alg_blocksize(esp->conf.tfm), 4);
+ int blksize = ALIGN(crypto_blkcipher_blocksize(tfm), 4);
int alen = esp->auth.icv_trunc_len;
int elen = skb->len - sizeof(struct ip_esp_hdr) - esp->conf.ivlen - alen;
int nfrags;
@@ -146,6 +153,7 @@ static int esp_input(struct xfrm_state *x, struct sk_buff *skb)
u8 nexthdr[2];
struct scatterlist *sg;
int padlen;
+ int err;
if (!pskb_may_pull(skb, sizeof(struct ip_esp_hdr)))
goto out;
@@ -155,15 +163,16 @@ static int esp_input(struct xfrm_state *x, struct sk_buff *skb)
/* If integrity check is required, do this. */
if (esp->auth.icv_full_len) {
- u8 sum[esp->auth.icv_full_len];
- u8 sum1[alen];
-
- esp->auth.icv(esp, skb, 0, skb->len-alen, sum);
+ u8 sum[alen];
- if (skb_copy_bits(skb, skb->len-alen, sum1, alen))
+ err = esp_mac_digest(esp, skb, 0, skb->len - alen);
+ if (err)
+ goto out;
+
+ if (skb_copy_bits(skb, skb->len - alen, sum, alen))
BUG();
- if (unlikely(memcmp(sum, sum1, alen))) {
+ if (unlikely(memcmp(esp->auth.work_icv, sum, alen))) {
x->stats.integrity_failed++;
goto out;
}
@@ -178,7 +187,7 @@ static int esp_input(struct xfrm_state *x, struct sk_buff *skb)
/* Get ivec. This can be wrong, check against another impls. */
if (esp->conf.ivlen)
- crypto_cipher_set_iv(esp->conf.tfm, esph->enc_data, crypto_tfm_alg_ivsize(esp->conf.tfm));
+ crypto_blkcipher_set_iv(tfm, esph->enc_data, esp->conf.ivlen);
sg = &esp->sgbuf[0];
@@ -188,9 +197,11 @@ static int esp_input(struct xfrm_state *x, struct sk_buff *skb)
goto out;
}
skb_to_sgvec(skb, sg, sizeof(struct ip_esp_hdr) + esp->conf.ivlen, elen);
- crypto_cipher_decrypt(esp->conf.tfm, sg, sg, elen);
+ err = crypto_blkcipher_decrypt(&desc, sg, sg, elen);
if (unlikely(sg != &esp->sgbuf[0]))
kfree(sg);
+ if (unlikely(err))
+ return err;
if (skb_copy_bits(skb, skb->len-alen-2, nexthdr, 2))
BUG();
@@ -254,7 +265,7 @@ out:
static u32 esp4_get_max_size(struct xfrm_state *x, int mtu)
{
struct esp_data *esp = x->data;
- u32 blksize = ALIGN(crypto_tfm_alg_blocksize(esp->conf.tfm), 4);
+ u32 blksize = ALIGN(crypto_blkcipher_blocksize(esp->conf.tfm), 4);
if (x->props.mode) {
mtu = ALIGN(mtu + 2, blksize);
@@ -293,11 +304,11 @@ static void esp_destroy(struct xfrm_state *x)
if (!esp)
return;
- crypto_free_tfm(esp->conf.tfm);
+ crypto_free_blkcipher(esp->conf.tfm);
esp->conf.tfm = NULL;
kfree(esp->conf.ivec);
esp->conf.ivec = NULL;
- crypto_free_tfm(esp->auth.tfm);
+ crypto_free_hash(esp->auth.tfm);
esp->auth.tfm = NULL;
kfree(esp->auth.work_icv);
esp->auth.work_icv = NULL;
@@ -307,6 +318,7 @@ static void esp_destroy(struct xfrm_state *x)
static int esp_init_state(struct xfrm_state *x)
{
struct esp_data *esp = NULL;
+ struct crypto_blkcipher *tfm;
/* null auth and encryption can have zero length keys */
if (x->aalg) {
@@ -322,22 +334,27 @@ static int esp_init_state(struct xfrm_state *x)
if (x->aalg) {
struct xfrm_algo_desc *aalg_desc;
+ struct crypto_hash *hash;
esp->auth.key = x->aalg->alg_key;
esp->auth.key_len = (x->aalg->alg_key_len+7)/8;
- esp->auth.tfm = crypto_alloc_tfm(x->aalg->alg_name, 0);
- if (esp->auth.tfm == NULL)
+ hash = crypto_alloc_hash(x->aalg->alg_name, 0,
+ CRYPTO_ALG_ASYNC);
+ if (IS_ERR(hash))
+ goto error;
+
+ esp->auth.tfm = hash;
+ if (crypto_hash_setkey(hash, esp->auth.key, esp->auth.key_len))
goto error;
- esp->auth.icv = esp_hmac_digest;
aalg_desc = xfrm_aalg_get_byname(x->aalg->alg_name, 0);
BUG_ON(!aalg_desc);
if (aalg_desc->uinfo.auth.icv_fullbits/8 !=
- crypto_tfm_alg_digestsize(esp->auth.tfm)) {
+ crypto_hash_digestsize(hash)) {
NETDEBUG(KERN_INFO "ESP: %s digestsize %u != %hu\n",
x->aalg->alg_name,
- crypto_tfm_alg_digestsize(esp->auth.tfm),
+ crypto_hash_digestsize(hash),
aalg_desc->uinfo.auth.icv_fullbits/8);
goto error;
}
@@ -351,13 +368,11 @@ static int esp_init_state(struct xfrm_state *x)
}
esp->conf.key = x->ealg->alg_key;
esp->conf.key_len = (x->ealg->alg_key_len+7)/8;
- if (x->props.ealgo == SADB_EALG_NULL)
- esp->conf.tfm = crypto_alloc_tfm(x->ealg->alg_name, CRYPTO_TFM_MODE_ECB);
- else
- esp->conf.tfm = crypto_alloc_tfm(x->ealg->alg_name, CRYPTO_TFM_MODE_CBC);
- if (esp->conf.tfm == NULL)
+ tfm = crypto_alloc_blkcipher(x->ealg->alg_name, 0, CRYPTO_ALG_ASYNC);
+ if (IS_ERR(tfm))
goto error;
- esp->conf.ivlen = crypto_tfm_alg_ivsize(esp->conf.tfm);
+ esp->conf.tfm = tfm;
+ esp->conf.ivlen = crypto_blkcipher_ivsize(tfm);
esp->conf.padlen = 0;
if (esp->conf.ivlen) {
esp->conf.ivec = kmalloc(esp->conf.ivlen, GFP_KERNEL);
@@ -365,7 +380,7 @@ static int esp_init_state(struct xfrm_state *x)
goto error;
get_random_bytes(esp->conf.ivec, esp->conf.ivlen);
}
- if (crypto_cipher_setkey(esp->conf.tfm, esp->conf.key, esp->conf.key_len))
+ if (crypto_blkcipher_setkey(tfm, esp->conf.key, esp->conf.key_len))
goto error;
x->props.header_len = sizeof(struct ip_esp_hdr) + esp->conf.ivlen;
if (x->props.mode)
diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c
index a0c28b2b756e..5bb9c9f03fb6 100644
--- a/net/ipv4/ipcomp.c
+++ b/net/ipv4/ipcomp.c
@@ -32,7 +32,7 @@
struct ipcomp_tfms {
struct list_head list;
- struct crypto_tfm **tfms;
+ struct crypto_comp **tfms;
int users;
};
@@ -46,7 +46,7 @@ static int ipcomp_decompress(struct xfrm_state *x, struct sk_buff *skb)
int err, plen, dlen;
struct ipcomp_data *ipcd = x->data;
u8 *start, *scratch;
- struct crypto_tfm *tfm;
+ struct crypto_comp *tfm;
int cpu;
plen = skb->len;
@@ -107,7 +107,7 @@ static int ipcomp_compress(struct xfrm_state *x, struct sk_buff *skb)
struct iphdr *iph = skb->nh.iph;
struct ipcomp_data *ipcd = x->data;
u8 *start, *scratch;
- struct crypto_tfm *tfm;
+ struct crypto_comp *tfm;
int cpu;
ihlen = iph->ihl * 4;
@@ -302,7 +302,7 @@ static void **ipcomp_alloc_scratches(void)
return scratches;
}
-static void ipcomp_free_tfms(struct crypto_tfm **tfms)
+static void ipcomp_free_tfms(struct crypto_comp **tfms)
{
struct ipcomp_tfms *pos;
int cpu;
@@ -324,28 +324,28 @@ static void ipcomp_free_tfms(struct crypto_tfm **tfms)
return;
for_each_possible_cpu(cpu) {
- struct crypto_tfm *tfm = *per_cpu_ptr(tfms, cpu);
- crypto_free_tfm(tfm);
+ struct crypto_comp *tfm = *per_cpu_ptr(tfms, cpu);
+ crypto_free_comp(tfm);
}
free_percpu(tfms);
}
-static struct crypto_tfm **ipcomp_alloc_tfms(const char *alg_name)
+static struct crypto_comp **ipcomp_alloc_tfms(const char *alg_name)
{
struct ipcomp_tfms *pos;
- struct crypto_tfm **tfms;
+ struct crypto_comp **tfms;
int cpu;
/* This can be any valid CPU ID so we don't need locking. */
cpu = raw_smp_processor_id();
list_for_each_entry(pos, &ipcomp_tfms_list, list) {
- struct crypto_tfm *tfm;
+ struct crypto_comp *tfm;
tfms = pos->tfms;
tfm = *per_cpu_ptr(tfms, cpu);
- if (!strcmp(crypto_tfm_alg_name(tfm), alg_name)) {
+ if (!strcmp(crypto_comp_name(tfm), alg_name)) {
pos->users++;
return tfms;
}
@@ -359,12 +359,13 @@ static struct crypto_tfm **ipcomp_alloc_tfms(const char *alg_name)
INIT_LIST_HEAD(&pos->list);
list_add(&pos->list, &ipcomp_tfms_list);
- pos->tfms = tfms = alloc_percpu(struct crypto_tfm *);
+ pos->tfms = tfms = alloc_percpu(struct crypto_comp *);
if (!tfms)
goto error;
for_each_possible_cpu(cpu) {
- struct crypto_tfm *tfm = crypto_alloc_tfm(alg_name, 0);
+ struct crypto_comp *tfm = crypto_alloc_comp(alg_name, 0,
+ CRYPTO_ALG_ASYNC);
if (!tfm)
goto error;
*per_cpu_ptr(tfms, cpu) = tfm;
diff --git a/net/ipv6/Kconfig b/net/ipv6/Kconfig
index e923d4dea418..0ba06c0c5d39 100644
--- a/net/ipv6/Kconfig
+++ b/net/ipv6/Kconfig
@@ -77,6 +77,7 @@ config INET6_ESP
select CRYPTO
select CRYPTO_HMAC
select CRYPTO_MD5
+ select CRYPTO_CBC
select CRYPTO_SHA1
select CRYPTO_DES
---help---
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 9d4831bd4335..00ffa7bc6c9f 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -213,7 +213,10 @@ static int ah6_output(struct xfrm_state *x, struct sk_buff *skb)
ah->spi = x->id.spi;
ah->seq_no = htonl(++x->replay.oseq);
xfrm_aevent_doreplay(x);
- ahp->icv(ahp, skb, ah->auth_data);
+ err = ah_mac_digest(ahp, skb, ah->auth_data);
+ if (err)
+ goto error_free_iph;
+ memcpy(ah->auth_data, ahp->work_icv, ahp->icv_trunc_len);
err = 0;
@@ -251,6 +254,7 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb