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From 77d94637c99dc157e825b85569513f24e46fde4a Mon Sep 17 00:00:00 2001
From: Corentin LABBE <clabbe.montjoie@gmail.com>
Date: Tue, 22 Aug 2017 10:08:10 +0200
Subject: [PATCH 14/95] crypto: ccp - Use GCM IV size constant
This patch replace GCM IV size value by their constant name.
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sudheesh Mavila <sudheesh.mavila@amd.com>
---
drivers/crypto/ccp/ccp-crypto-aes-galois.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/crypto/ccp/ccp-crypto-aes-galois.c b/drivers/crypto/ccp/ccp-crypto-aes-galois.c
index 5231352..ff02b71 100644
--- a/drivers/crypto/ccp/ccp-crypto-aes-galois.c
+++ b/drivers/crypto/ccp/ccp-crypto-aes-galois.c
@@ -19,13 +19,12 @@
#include <crypto/algapi.h>
#include <crypto/aes.h>
#include <crypto/ctr.h>
+#include <crypto/gcm.h>
#include <crypto/scatterwalk.h>
#include <linux/delay.h>
#include "ccp-crypto.h"
-#define AES_GCM_IVSIZE 12
-
static int ccp_aes_gcm_complete(struct crypto_async_request *async_req, int ret)
{
return ret;
@@ -95,9 +94,9 @@ static int ccp_aes_gcm_crypt(struct aead_request *req, bool encrypt)
*/
/* Prepare the IV: 12 bytes + an integer (counter) */
- memcpy(rctx->iv, req->iv, AES_GCM_IVSIZE);
+ memcpy(rctx->iv, req->iv, GCM_AES_IV_SIZE);
for (i = 0; i < 3; i++)
- rctx->iv[i + AES_GCM_IVSIZE] = 0;
+ rctx->iv[i + GCM_AES_IV_SIZE] = 0;
rctx->iv[AES_BLOCK_SIZE - 1] = 1;
/* Set up a scatterlist for the IV */
@@ -160,7 +159,7 @@ static struct aead_alg ccp_aes_gcm_defaults = {
.encrypt = ccp_aes_gcm_encrypt,
.decrypt = ccp_aes_gcm_decrypt,
.init = ccp_aes_gcm_cra_init,
- .ivsize = AES_GCM_IVSIZE,
+ .ivsize = GCM_AES_IV_SIZE,
.maxauthsize = AES_BLOCK_SIZE,
.base = {
.cra_flags = CRYPTO_ALG_TYPE_ABLKCIPHER |
--
2.7.4
|
