4.2.8-ckt7 -stable review patch. If anyone has any objections, please let me know.
---8<------------------------------------------------------------
From: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
commit 6e8d8ecf438792ecf7a3207488fb4eebc4edb040 upstream.
This patch adds an exception to the key check so that cipher_null
users may continue to use algif_skcipher without setting a key.
Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
[bwh: Backported to 3.2: use crypto_ablkcipher_has_setkey()]
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Signed-off-by: Luis Henriques <luis.henriques@xxxxxxxxxxxxx>
Signed-off-by: Kamal Mostafa <kamal@xxxxxxxxxxxxx>
---
crypto/algif_skcipher.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/crypto/algif_skcipher.c b/crypto/algif_skcipher.c
index 6c0410e..b5d5a35 100644
--- a/crypto/algif_skcipher.c
+++ b/crypto/algif_skcipher.c
@@ -961,7 +961,7 @@ static int skcipher_accept_parent(void *private, struct sock *sk)
{
struct skcipher_tfm *tfm = private;
- if (!tfm->has_key)
+ if (!tfm->has_key && crypto_ablkcipher_has_setkey(tfm->skcipher))
return -ENOKEY;
return skcipher_accept_parent_nokey(private, sk);
--
2.7.4
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