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crypto: omap - Use GCM IV size constant

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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>
This commit is contained in:
Corentin LABBE 2017-08-22 10:08:16 +02:00 committed by Herbert Xu
parent 8f6acb7fbf
commit cb3f381751
2 changed files with 7 additions and 5 deletions
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7
drivers/crypto/omap-aes-gcm.c
View File

@ -18,6 +18,7 @@
#include <linux/omap-dma.h>
#include <linux/interrupt.h>
#include <crypto/aes.h>
#include <crypto/gcm.h>
#include <crypto/scatterwalk.h>
#include <crypto/skcipher.h>
#include <crypto/internal/aead.h>
@ -311,7 +312,7 @@ static int omap_aes_gcm_crypt(struct aead_request *req, unsigned long mode)
int err, assoclen;
memset(rctx->auth_tag, 0, sizeof(rctx->auth_tag));
memcpy(rctx->iv + 12, &counter, 4);
memcpy(rctx->iv + GCM_AES_IV_SIZE, &counter, 4);
err = do_encrypt_iv(req, (u32 *)rctx->auth_tag, (u32 *)rctx->iv);
if (err)
@ -339,7 +340,7 @@ int omap_aes_gcm_encrypt(struct aead_request *req)
{
struct omap_aes_reqctx *rctx = aead_request_ctx(req);
memcpy(rctx->iv, req->iv, 12);
memcpy(rctx->iv, req->iv, GCM_AES_IV_SIZE);
return omap_aes_gcm_crypt(req, FLAGS_ENCRYPT | FLAGS_GCM);
}
@ -347,7 +348,7 @@ int omap_aes_gcm_decrypt(struct aead_request *req)
{
struct omap_aes_reqctx *rctx = aead_request_ctx(req);
memcpy(rctx->iv, req->iv, 12);
memcpy(rctx->iv, req->iv, GCM_AES_IV_SIZE);
return omap_aes_gcm_crypt(req, FLAGS_GCM);
}

5
drivers/crypto/omap-aes.c
View File

@ -35,6 +35,7 @@
#include <linux/interrupt.h>
#include <crypto/scatterwalk.h>
#include <crypto/aes.h>
#include <crypto/gcm.h>
#include <crypto/engine.h>
#include <crypto/internal/skcipher.h>
#include <crypto/internal/aead.h>
@ -767,7 +768,7 @@ static struct aead_alg algs_aead_gcm[] = {
},
.init = omap_aes_gcm_cra_init,
.exit = omap_aes_gcm_cra_exit,
.ivsize = 12,
.ivsize = GCM_AES_IV_SIZE,
.maxauthsize = AES_BLOCK_SIZE,
.setkey = omap_aes_gcm_setkey,
.encrypt = omap_aes_gcm_encrypt,
@ -788,7 +789,7 @@ static struct aead_alg algs_aead_gcm[] = {
.init = omap_aes_gcm_cra_init,
.exit = omap_aes_gcm_cra_exit,
.maxauthsize = AES_BLOCK_SIZE,
.ivsize = 8,
.ivsize = GCM_RFC4106_IV_SIZE,
.setkey = omap_aes_4106gcm_setkey,
.encrypt = omap_aes_4106gcm_encrypt,
.decrypt = omap_aes_4106gcm_decrypt,