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Diffstat (limited to 'arch/x86_64/crypto/aes.c')
-rw-r--r--arch/x86_64/crypto/aes.c23
1 files changed, 11 insertions, 12 deletions
diff --git a/arch/x86_64/crypto/aes.c b/arch/x86_64/crypto/aes.c
index acfdaa28791..19996854b49 100644
--- a/arch/x86_64/crypto/aes.c
+++ b/arch/x86_64/crypto/aes.c
@@ -74,8 +74,6 @@ static inline u8 byte(const u32 x, const unsigned n)
return x >> (n << 3);
}
-#define u32_in(x) le32_to_cpu(*(const __le32 *)(x))
-
struct aes_ctx
{
u32 key_length;
@@ -234,6 +232,7 @@ static int aes_set_key(void *ctx_arg, const u8 *in_key, unsigned int key_len,
u32 *flags)
{
struct aes_ctx *ctx = ctx_arg;
+ const __le32 *key = (const __le32 *)in_key;
u32 i, j, t, u, v, w;
if (key_len != 16 && key_len != 24 && key_len != 32) {
@@ -243,10 +242,10 @@ static int aes_set_key(void *ctx_arg, const u8 *in_key, unsigned int key_len,
ctx->key_length = key_len;
- D_KEY[key_len + 24] = E_KEY[0] = u32_in(in_key);
- D_KEY[key_len + 25] = E_KEY[1] = u32_in(in_key + 4);
- D_KEY[key_len + 26] = E_KEY[2] = u32_in(in_key + 8);
- D_KEY[key_len + 27] = E_KEY[3] = u32_in(in_key + 12);
+ D_KEY[key_len + 24] = E_KEY[0] = le32_to_cpu(key[0]);
+ D_KEY[key_len + 25] = E_KEY[1] = le32_to_cpu(key[1]);
+ D_KEY[key_len + 26] = E_KEY[2] = le32_to_cpu(key[2]);
+ D_KEY[key_len + 27] = E_KEY[3] = le32_to_cpu(key[3]);
switch (key_len) {
case 16:
@@ -256,17 +255,17 @@ static int aes_set_key(void *ctx_arg, const u8 *in_key, unsigned int key_len,
break;
case 24:
- E_KEY[4] = u32_in(in_key + 16);
- t = E_KEY[5] = u32_in(in_key + 20);
+ E_KEY[4] = le32_to_cpu(key[4]);
+ t = E_KEY[5] = le32_to_cpu(key[5]);
for (i = 0; i < 8; ++i)
loop6 (i);
break;
case 32:
- E_KEY[4] = u32_in(in_key + 16);
- E_KEY[5] = u32_in(in_key + 20);
- E_KEY[6] = u32_in(in_key + 24);
- t = E_KEY[7] = u32_in(in_key + 28);
+ E_KEY[4] = le32_to_cpu(key[4]);
+ E_KEY[5] = le32_to_cpu(key[5]);
+ E_KEY[6] = le32_to_cpu(key[6]);
+ t = E_KEY[7] = le32_to_cpu(key[7]);
for (i = 0; i < 7; ++i)
loop8(i);
break;