struct aes_ctx
{
u32 key_length;
- u32 E[60];
- u32 D[60];
+ u32 buf[120];
};
-#define E_KEY ctx->E
-#define D_KEY ctx->D
+#define E_KEY (&ctx->buf[0])
+#define D_KEY (&ctx->buf[60])
static u8 pow_tab[256] __initdata;
static u8 log_tab[256] __initdata;
t ^= E_KEY[8 * i + 7]; E_KEY[8 * i + 15] = t; \
}
-static int aes_set_key(void *ctx_arg, const u8 *in_key, unsigned int key_len,
- u32 *flags)
+static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
+ unsigned int key_len)
{
- struct aes_ctx *ctx = ctx_arg;
+ struct aes_ctx *ctx = crypto_tfm_ctx(tfm);
const __le32 *key = (const __le32 *)in_key;
+ u32 *flags = &tfm->crt_flags;
u32 i, j, t, u, v, w;
- if (key_len != 16 && key_len != 24 && key_len != 32) {
+ if (key_len % 8) {
*flags |= CRYPTO_TFM_RES_BAD_KEY_LEN;
return -EINVAL;
}
return 0;
}
-extern void aes_encrypt(void *ctx_arg, u8 *out, const u8 *in);
-extern void aes_decrypt(void *ctx_arg, u8 *out, const u8 *in);
+asmlinkage void aes_enc_blk(struct crypto_tfm *tfm, u8 *out, const u8 *in);
+asmlinkage void aes_dec_blk(struct crypto_tfm *tfm, u8 *out, const u8 *in);
+
+static void aes_encrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
+{
+ aes_enc_blk(tfm, dst, src);
+}
+
+static void aes_decrypt(struct crypto_tfm *tfm, u8 *dst, const u8 *src)
+{
+ aes_dec_blk(tfm, dst, src);
+}
static struct crypto_alg aes_alg = {
.cra_name = "aes",