[PATCH 4.4 092/113] crypto: qat - fix aes-xts key sizes

Greg Kroah-Hartman
2016-09-05T17:11:18Z

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,
},
},