[PATCH 04/11] crypto: nx - Use GCM IV size constant

From: Corentin Labbe
Date: Tue Aug 22 2017 - 04:10:50 EST


This patch replace GCM IV size value by their constant name.

Signed-off-by: Corentin Labbe <clabbe.montjoie@xxxxxxxxx>
---
drivers/crypto/nx/nx-aes-gcm.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/crypto/nx/nx-aes-gcm.c b/drivers/crypto/nx/nx-aes-gcm.c
index abd465f479c4..a810596b97c2 100644
--- a/drivers/crypto/nx/nx-aes-gcm.c
+++ b/drivers/crypto/nx/nx-aes-gcm.c
@@ -22,6 +22,7 @@
#include <crypto/internal/aead.h>
#include <crypto/aes.h>
#include <crypto/algapi.h>
+#include <crypto/gcm.h>
#include <crypto/scatterwalk.h>
#include <linux/module.h>
#include <linux/types.h>
@@ -433,7 +434,7 @@ static int gcm_aes_nx_encrypt(struct aead_request *req)
struct nx_gcm_rctx *rctx = aead_request_ctx(req);
char *iv = rctx->iv;

- memcpy(iv, req->iv, 12);
+ memcpy(iv, req->iv, GCM_AES_IV_SIZE);

return gcm_aes_nx_crypt(req, 1, req->assoclen);
}
@@ -443,7 +444,7 @@ static int gcm_aes_nx_decrypt(struct aead_request *req)
struct nx_gcm_rctx *rctx = aead_request_ctx(req);
char *iv = rctx->iv;

- memcpy(iv, req->iv, 12);
+ memcpy(iv, req->iv, GCM_AES_IV_SIZE);

return gcm_aes_nx_crypt(req, 0, req->assoclen);
}
@@ -498,7 +499,7 @@ struct aead_alg nx_gcm_aes_alg = {
},
.init = nx_crypto_ctx_aes_gcm_init,
.exit = nx_crypto_ctx_aead_exit,
- .ivsize = 12,
+ .ivsize = GCM_AES_IV_SIZE,
.maxauthsize = AES_BLOCK_SIZE,
.setkey = gcm_aes_nx_set_key,
.encrypt = gcm_aes_nx_encrypt,
@@ -516,7 +517,7 @@ struct aead_alg nx_gcm4106_aes_alg = {
},
.init = nx_crypto_ctx_aes_gcm_init,
.exit = nx_crypto_ctx_aead_exit,
- .ivsize = 8,
+ .ivsize = GCM_RFC4106_IV_SIZE,
.maxauthsize = AES_BLOCK_SIZE,
.setkey = gcm4106_aes_nx_set_key,
.setauthsize = gcm4106_aes_nx_setauthsize,
--
2.13.0