crypto: qat - fix aes-xts key sizes

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>

diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c
index 59e4c3af15edb10fe46f4e6afb0ad2d18bc92760..367b6661ee041a469f4da67775a02da0d9ff893e 100644 (file)
--- 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,
                },
        },