[CRYPTO] cipher: Set alignmask for multi-byte loads

Many cipher implementations use 4-byte/8-byte loads/stores which require alignment on some architectures. This patch explicitly sets the alignment requirements for them. Signed-off-by: Herbert Xu <[email protected]>
RyanHsu · Jan 9, 2006 · a429d26 · a429d26
1 parent 7302533
commit a429d26
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diff --git a/crypto/aes.c b/crypto/aes.c
@@ -423,6 +423,7 @@ static struct crypto_alg aes_alg = {
 	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
 	.cra_blocksize		=	AES_BLOCK_SIZE,
 	.cra_ctxsize		=	sizeof(struct aes_ctx),
+	.cra_alignmask		=	3,
 	.cra_module		=	THIS_MODULE,
 	.cra_list		=	LIST_HEAD_INIT(aes_alg.cra_list),
 	.cra_u			=	{

diff --git a/crypto/anubis.c b/crypto/anubis.c
@@ -677,6 +677,7 @@ static struct crypto_alg anubis_alg = {
 	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
 	.cra_blocksize		=	ANUBIS_BLOCK_SIZE,
 	.cra_ctxsize		=	sizeof (struct anubis_ctx),
+	.cra_alignmask		=	3,
 	.cra_module		=	THIS_MODULE,
 	.cra_list		=	LIST_HEAD_INIT(anubis_alg.cra_list),
 	.cra_u			=	{ .cipher = {

diff --git a/crypto/blowfish.c b/crypto/blowfish.c
@@ -453,6 +453,7 @@ static struct crypto_alg alg = {
 	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
 	.cra_blocksize		=	BF_BLOCK_SIZE,
 	.cra_ctxsize		=	sizeof(struct bf_ctx),
+	.cra_alignmask		=	3,
 	.cra_module		=	THIS_MODULE,
 	.cra_list		=	LIST_HEAD_INIT(alg.cra_list),
 	.cra_u			=	{ .cipher = {

diff --git a/crypto/cast5.c b/crypto/cast5.c
@@ -809,6 +809,7 @@ static struct crypto_alg alg = {
 	.cra_flags 	= CRYPTO_ALG_TYPE_CIPHER,
 	.cra_blocksize 	= CAST5_BLOCK_SIZE,
 	.cra_ctxsize 	= sizeof(struct cast5_ctx),
+	.cra_alignmask	= 3,
 	.cra_module 	= THIS_MODULE,
 	.cra_list 	= LIST_HEAD_INIT(alg.cra_list),
 	.cra_u 		= {

diff --git a/crypto/cast6.c b/crypto/cast6.c
@@ -513,6 +513,7 @@ static struct crypto_alg alg = {
 	.cra_flags = CRYPTO_ALG_TYPE_CIPHER,
 	.cra_blocksize = CAST6_BLOCK_SIZE,
 	.cra_ctxsize = sizeof(struct cast6_ctx),
+	.cra_alignmask = 3,
 	.cra_module = THIS_MODULE,
 	.cra_list = LIST_HEAD_INIT(alg.cra_list),
 	.cra_u = {

diff --git a/crypto/des.c b/crypto/des.c
@@ -949,6 +949,7 @@ static struct crypto_alg des_alg = {
 	.cra_blocksize		=	DES_BLOCK_SIZE,
 	.cra_ctxsize		=	sizeof(struct des_ctx),
 	.cra_module		=	THIS_MODULE,
+	.cra_alignmask		=	3,
 	.cra_list		=	LIST_HEAD_INIT(des_alg.cra_list),
 	.cra_u			=	{ .cipher = {
 	.cia_min_keysize	=	DES_KEY_SIZE,

diff --git a/crypto/khazad.c b/crypto/khazad.c
@@ -857,6 +857,7 @@ static struct crypto_alg khazad_alg = {
 	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
 	.cra_blocksize		=	KHAZAD_BLOCK_SIZE,
 	.cra_ctxsize		=	sizeof (struct khazad_ctx),
+	.cra_alignmask		=	7,
 	.cra_module		=	THIS_MODULE,
 	.cra_list		=	LIST_HEAD_INIT(khazad_alg.cra_list),
 	.cra_u			=	{ .cipher = {

diff --git a/crypto/serpent.c b/crypto/serpent.c
@@ -553,6 +553,7 @@ static struct crypto_alg tnepres_alg = {
 	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
 	.cra_blocksize		=	SERPENT_BLOCK_SIZE,
 	.cra_ctxsize		=	sizeof(struct serpent_ctx),
+	.cra_alignmask		=	3,
 	.cra_module		=	THIS_MODULE,
 	.cra_list		=	LIST_HEAD_INIT(serpent_alg.cra_list),
 	.cra_u			=	{ .cipher = {

diff --git a/crypto/tea.c b/crypto/tea.c
@@ -240,6 +240,7 @@ static struct crypto_alg tea_alg = {
 	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
 	.cra_blocksize		=	TEA_BLOCK_SIZE,
 	.cra_ctxsize		=	sizeof (struct tea_ctx),
+	.cra_alignmask		=	3,
 	.cra_module		=	THIS_MODULE,
 	.cra_list		=	LIST_HEAD_INIT(tea_alg.cra_list),
 	.cra_u			=	{ .cipher = {
@@ -255,6 +256,7 @@ static struct crypto_alg xtea_alg = {
 	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
 	.cra_blocksize		=	XTEA_BLOCK_SIZE,
 	.cra_ctxsize		=	sizeof (struct xtea_ctx),
+	.cra_alignmask		=	3,
 	.cra_module		=	THIS_MODULE,
 	.cra_list		=	LIST_HEAD_INIT(xtea_alg.cra_list),
 	.cra_u			=	{ .cipher = {
@@ -270,6 +272,7 @@ static struct crypto_alg xeta_alg = {
 	.cra_flags		=	CRYPTO_ALG_TYPE_CIPHER,
 	.cra_blocksize		=	XTEA_BLOCK_SIZE,
 	.cra_ctxsize		=	sizeof (struct xtea_ctx),
+	.cra_alignmask		=	3,
 	.cra_module		=	THIS_MODULE,
 	.cra_list		=	LIST_HEAD_INIT(xtea_alg.cra_list),
 	.cra_u			=	{ .cipher = {

diff --git a/crypto/twofish.c b/crypto/twofish.c
@@ -879,6 +879,7 @@ static struct crypto_alg alg = {
 	.cra_flags          =   CRYPTO_ALG_TYPE_CIPHER,
 	.cra_blocksize      =   TF_BLOCK_SIZE,
 	.cra_ctxsize        =   sizeof(struct twofish_ctx),
+	.cra_alignmask      =	3,
 	.cra_module         =   THIS_MODULE,
 	.cra_list           =   LIST_HEAD_INIT(alg.cra_list),
 	.cra_u              =   { .cipher = {