Re: [PATCH v2 9/9] crypto: ccp - Use IPAD/OPAD constant

[Gary R Hook]

On 5/19/2017 1:53 AM, Corentin Labbe wrote:

This patch simply replace all occurrence of HMAC IPAD/OPAD value by their
define.

Signed-off-by: Corentin Labbe <clabbe.montj...@gmail.com>

Acked-by: Gary R Hook <gary.h...@amd.com>

---
  drivers/crypto/ccp/ccp-crypto-sha.c | 5 +++--
  1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/crypto/ccp/ccp-crypto-sha.c b/drivers/crypto/ccp/ccp-crypto-sha.c

index 6b46eea94932..ce97b3868f4a 100644
--- a/drivers/crypto/ccp/ccp-crypto-sha.c
+++ b/drivers/crypto/ccp/ccp-crypto-sha.c
@@ -18,6 +18,7 @@
  #include <linux/crypto.h>
  #include <crypto/algapi.h>
  #include <crypto/hash.h>
+#include <crypto/hmac.h>
  #include <crypto/internal/hash.h>
  #include <crypto/sha.h>
  #include <crypto/scatterwalk.h>

@@ -308,8 +309,8 @@ static int ccp_sha_setkey(struct crypto_ahash *tfm, const u8 *key,

          }

          for (i = 0; i < block_size; i++) {
-               ctx->u.sha.ipad[i] = ctx->u.sha.key[i] ^ 0x36;
-               ctx->u.sha.opad[i] = ctx->u.sha.key[i] ^ 0x5c;
+               ctx->u.sha.ipad[i] = ctx->u.sha.key[i] ^ HMAC_IPAD_VALUE;
+               ctx->u.sha.opad[i] = ctx->u.sha.key[i] ^ HMAC_OPAD_VALUE;
          }

          sg_init_one(&ctx->u.sha.opad_sg, ctx->u.sha.opad, block_size);
--
2.13.0