diff options
Diffstat (limited to 'net/ieee80211')
| -rw-r--r-- | net/ieee80211/ieee80211_crypt_tkip.c | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/net/ieee80211/ieee80211_crypt_tkip.c b/net/ieee80211/ieee80211_crypt_tkip.c index d60ce9b49b4f..407a17495b61 100644 --- a/net/ieee80211/ieee80211_crypt_tkip.c +++ b/net/ieee80211/ieee80211_crypt_tkip.c @@ -54,7 +54,7 @@ struct ieee80211_tkip_data { int key_idx; struct crypto_blkcipher *tfm_arc4; - struct crypto_tfm *tfm_michael; + struct crypto_hash *tfm_michael; /* scratch buffers for virt_to_page() (crypto API) */ u8 rx_hdr[16], tx_hdr[16]; @@ -95,10 +95,12 @@ static void *ieee80211_tkip_init(int key_idx) goto fail; } - priv->tfm_michael = crypto_alloc_tfm("michael_mic", 0); - if (priv->tfm_michael == NULL) { + priv->tfm_michael = crypto_alloc_hash("michael_mic", 0, + CRYPTO_ALG_ASYNC); + if (IS_ERR(priv->tfm_michael)) { printk(KERN_DEBUG "ieee80211_crypt_tkip: could not allocate " "crypto API michael_mic\n"); + priv->tfm_michael = NULL; goto fail; } @@ -107,7 +109,7 @@ static void *ieee80211_tkip_init(int key_idx) fail: if (priv) { if (priv->tfm_michael) - crypto_free_tfm(priv->tfm_michael); + crypto_free_hash(priv->tfm_michael); if (priv->tfm_arc4) crypto_free_blkcipher(priv->tfm_arc4); kfree(priv); @@ -120,7 +122,7 @@ static void ieee80211_tkip_deinit(void *priv) { struct ieee80211_tkip_data *_priv = priv; if (_priv && _priv->tfm_michael) - crypto_free_tfm(_priv->tfm_michael); + crypto_free_hash(_priv->tfm_michael); if (_priv && _priv->tfm_arc4) crypto_free_blkcipher(_priv->tfm_arc4); kfree(priv); @@ -485,6 +487,7 @@ static int ieee80211_tkip_decrypt(struct sk_buff *skb, int hdr_len, void *priv) static int michael_mic(struct ieee80211_tkip_data *tkey, u8 * key, u8 * hdr, u8 * data, size_t data_len, u8 * mic) { + struct hash_desc desc; struct scatterlist sg[2]; if (tkey->tfm_michael == NULL) { @@ -499,12 +502,12 @@ static int michael_mic(struct ieee80211_tkip_data *tkey, u8 * key, u8 * hdr, sg[1].offset = offset_in_page(data); sg[1].length = data_len; - crypto_digest_init(tkey->tfm_michael); - crypto_digest_setkey(tkey->tfm_michael, key, 8); - crypto_digest_update(tkey->tfm_michael, sg, 2); - crypto_digest_final(tkey->tfm_michael, mic); + if (crypto_hash_setkey(tkey->tfm_michael, key, 8)) + return -1; - return 0; + desc.tfm = tkey->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) @@ -628,7 +631,7 @@ 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->tfm_michael; + struct crypto_hash *tfm = tkey->tfm_michael; struct crypto_blkcipher *tfm2 = tkey->tfm_arc4; keyidx = tkey->key_idx; |