On 07/18/2017 01:28 AM, Stephan Müller wrote:
Am Montag, 17. Juli 2017, 22:08:27 CEST schrieb Gary R Hook:
Hi Gary,
Version 5 CCPs have differing requirements for XTS-AES: key components
are stored in a 512-bit vector. The context must be little-endian
justified. AES-256 is supported now, so propagate the cipher size to
the command descriptor.
Signed-off-by: Gary R Hook <gary.h...@amd.com>
---
drivers/crypto/ccp/ccp-crypto-aes-xts.c | 79
...<snip>...
@@ -97,14 +77,20 @@ static int ccp_aes_xts_setkey(struct crypto_ablkcipher
*tfm, const u8 *key, unsigned int key_len)
{
struct ccp_ctx *ctx = crypto_tfm_ctx(crypto_ablkcipher_tfm(tfm));
+ unsigned int ccpversion = ccp_version();
/* Only support 128-bit AES key with a 128-bit Tweak key,
* otherwise use the fallback
*/
+
Can you please add xts_check_key here?
Certainly!
