linux-kernel - [PATCH v2 9/9] crypto: ccp

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Message-Id: <20170519065331.27670-10-clabbe.montjoie@gmail.com>
Date:   Fri, 19 May 2017 08:53:31 +0200
From:   Corentin Labbe <clabbe.montjoie@...il.com>
To:     herbert@...dor.apana.org.au, davem@...emloft.net,
        thomas.lendacky@....com, gary.hook@....com,
        boris.brezillon@...e-electrons.com, arno@...isbad.org,
        matthias.bgg@...il.com, giovanni.cabiddu@...el.com,
        salvatore.benedetto@...el.com
Cc:     linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, qat-linux@...el.com,
        Corentin Labbe <clabbe.montjoie@...il.com>
Subject: [PATCH v2 9/9] 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@...il.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