This patch simply replace all occurrence of HMAC IPAD/OPAD value by their
define.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
 #include <crypto/internal/aead.h>
 #include <crypto/aes.h>
 #include <crypto/des.h>
+#include <crypto/hmac.h>
 #include <crypto/sha.h>
 #include <crypto/md5.h>
 #include <crypto/authenc.h>
                memcpy(ctx->opad, ctx->ipad, blocksize);
 
                for (index = 0; index < blocksize; index++) {
-                       ctx->ipad[index] ^= 0x36;
-                       ctx->opad[index] ^= 0x5c;
+                       ctx->ipad[index] ^= HMAC_IPAD_VALUE;
+                       ctx->opad[index] ^= HMAC_OPAD_VALUE;
                }
 
                flow_dump("  ipad: ", ctx->ipad, blocksize);