diff options
| -rw-r--r-- | net/mac802154/llsec.c | 41 | ||||
| -rw-r--r-- | net/mac802154/llsec.h | 3 |
2 files changed, 24 insertions, 20 deletions
diff --git a/net/mac802154/llsec.c b/net/mac802154/llsec.c index a13d02b7cee4..6a3e1c2181d3 100644 --- a/net/mac802154/llsec.c +++ b/net/mac802154/llsec.c @@ -17,9 +17,9 @@ #include <linux/err.h> #include <linux/bug.h> #include <linux/completion.h> -#include <linux/crypto.h> #include <linux/ieee802154.h> #include <crypto/aead.h> +#include <crypto/skcipher.h> #include "ieee802154_i.h" #include "llsec.h" @@ -144,18 +144,18 @@ llsec_key_alloc(const struct ieee802154_llsec_key *template) goto err_tfm; } - key->tfm0 = crypto_alloc_blkcipher("ctr(aes)", 0, CRYPTO_ALG_ASYNC); + key->tfm0 = crypto_alloc_skcipher("ctr(aes)", 0, CRYPTO_ALG_ASYNC); if (IS_ERR(key->tfm0)) goto err_tfm; - if (crypto_blkcipher_setkey(key->tfm0, template->key, - IEEE802154_LLSEC_KEY_SIZE)) + if (crypto_skcipher_setkey(key->tfm0, template->key, + IEEE802154_LLSEC_KEY_SIZE)) goto err_tfm0; return key; err_tfm0: - crypto_free_blkcipher(key->tfm0); + crypto_free_skcipher(key->tfm0); err_tfm: for (i = 0; i < ARRAY_SIZE(key->tfm); i++) if (key->tfm[i]) @@ -175,7 +175,7 @@ static void llsec_key_release(struct kref *ref) for (i = 0; i < ARRAY_SIZE(key->tfm); i++) crypto_free_aead(key->tfm[i]); - crypto_free_blkcipher(key->tfm0); + crypto_free_skcipher(key->tfm0); kzfree(key); } @@ -620,15 +620,17 @@ llsec_do_encrypt_unauth(struct sk_buff *skb, const struct mac802154_llsec *sec, { u8 iv[16]; struct scatterlist src; - struct blkcipher_desc req = { - .tfm = key->tfm0, - .info = iv, - .flags = 0, - }; + SKCIPHER_REQUEST_ON_STACK(req, key->tfm0); + int err; llsec_geniv(iv, sec->params.hwaddr, &hdr->sec); sg_init_one(&src, skb->data, skb->len); - return crypto_blkcipher_encrypt_iv(&req, &src, &src, skb->len); + skcipher_request_set_tfm(req, key->tfm0); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &src, &src, skb->len, iv); + err = crypto_skcipher_encrypt(req); + skcipher_request_zero(req); + return err; } static struct crypto_aead* @@ -830,11 +832,8 @@ llsec_do_decrypt_unauth(struct sk_buff *skb, const struct mac802154_llsec *sec, unsigned char *data; int datalen; struct scatterlist src; - struct blkcipher_desc req = { - .tfm = key->tfm0, - .info = iv, - .flags = 0, - }; + SKCIPHER_REQUEST_ON_STACK(req, key->tfm0); + int err; llsec_geniv(iv, dev_addr, &hdr->sec); data = skb_mac_header(skb) + skb->mac_len; @@ -842,7 +841,13 @@ llsec_do_decrypt_unauth(struct sk_buff *skb, const struct mac802154_llsec *sec, sg_init_one(&src, data, datalen); - return crypto_blkcipher_decrypt_iv(&req, &src, &src, datalen); + skcipher_request_set_tfm(req, key->tfm0); + skcipher_request_set_callback(req, 0, NULL, NULL); + skcipher_request_set_crypt(req, &src, &src, datalen, iv); + + err = crypto_skcipher_decrypt(req); + skcipher_request_zero(req); + return err; } static int diff --git a/net/mac802154/llsec.h b/net/mac802154/llsec.h index 950578e1d7be..6f3b658e3279 100644 --- a/net/mac802154/llsec.h +++ b/net/mac802154/llsec.h @@ -19,7 +19,6 @@ #include <linux/slab.h> #include <linux/hashtable.h> -#include <linux/crypto.h> #include <linux/kref.h> #include <linux/spinlock.h> #include <net/af_ieee802154.h> @@ -30,7 +29,7 @@ struct mac802154_llsec_key { /* one tfm for each authsize (4/8/16) */ struct crypto_aead *tfm[3]; - struct crypto_blkcipher *tfm0; + struct crypto_skcipher *tfm0; struct kref ref; }; |