From 6507c57bb013a22ae0f61bdbb2a63380598d34a2 Mon Sep 17 00:00:00 2001
From: Corentin LABBE <clabbe.montjoie@gmail.com>
Date: Fri, 19 May 2017 08:53:31 +0200
Subject: [PATCH] crypto: ccp - Use IPAD/OPAD constant

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

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Acked-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 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);