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crypto: ccp - Use IPAD/OPAD constant

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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>
This commit is contained in:
Corentin LABBE 2017-05-19 08:53:31 +02:00 committed by Herbert Xu
parent 1127eea914
commit 6507c57bb0
1 changed files with 3 additions and 2 deletions
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5
drivers/crypto/ccp/ccp-crypto-sha.c
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@ -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);