[CRYPTO] users: Use crypto_hash interface instead of crypto_digest
This patch converts all remaining crypto_digest users to use the new
crypto_hash interface.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/net/ieee80211/ieee80211_crypt_tkip.c b/net/ieee80211/ieee80211_crypt_tkip.c
index d60ce9b..407a174 100644
--- a/net/ieee80211/ieee80211_crypt_tkip.c
+++ b/net/ieee80211/ieee80211_crypt_tkip.c
@@ -54,7 +54,7 @@
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 @@
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 @@
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 @@
{
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 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 @@
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 @@
{
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;