crypto: qat - fix aes-xts key sizes

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)")
Cc: stable@vger.kernel.org
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>

diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c
index 769148d..20f35df 100644 (file)
--- a/drivers/crypto/qat/qat_common/qat_algs.c
+++ b/drivers/crypto/qat/qat_common/qat_algs.c
@@ -1260,8 +1260,8 @@ 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,
                },
        },