Patch "crypto: qat - fix aes-xts key sizes" has been added to the 4.4-stable tree

Patch "crypto: qat - fix aes-xts key sizes" has been added to the 4.4-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    crypto: qat - fix aes-xts key sizes

to the 4.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     crypto-qat-fix-aes-xts-key-sizes.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 10bb087ce381c812cd81a65ffd5e6f83e6399291 Mon Sep 17 00:00:00 2001
From: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Date: Thu, 18 Aug 2016 19:53:36 +0100
Subject: crypto: qat - fix aes-xts key sizes

From: Giovanni Cabiddu <giovanni.cabiddu@intel.com>

commit 10bb087ce381c812cd81a65ffd5e6f83e6399291 upstream.

Increase value of supported key sizes for qat_aes_xts.
aes-xts keys consists of keys of equal size concatenated.

Fixes: def14bfaf30d ("crypto: qat - add support for ctr(aes) and xts(aes)")
Reported-by: Wenqian Yu <wenqian.yu@intel.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/crypto/qat/qat_common/qat_algs.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/crypto/qat/qat_common/qat_algs.c
+++ b/drivers/crypto/qat/qat_common/qat_algs.c
@@ -1262,8 +1262,8 @@ static struct crypto_alg qat_algs[] = {
 			.setkey = qat_alg_ablkcipher_xts_setkey,
 			.decrypt = qat_alg_ablkcipher_decrypt,
 			.encrypt = qat_alg_ablkcipher_encrypt,
-			.min_keysize = AES_MIN_KEY_SIZE,
-			.max_keysize = AES_MAX_KEY_SIZE,
+			.min_keysize = 2 * AES_MIN_KEY_SIZE,
+			.max_keysize = 2 * AES_MAX_KEY_SIZE,
 			.ivsize = AES_BLOCK_SIZE,
 		},
 	},


Patches currently in stable-queue which might be from giovanni.cabiddu@intel.com are

queue-4.4/crypto-qat-fix-aes-xts-key-sizes.patch