2 * Common values for AES algorithms
8 #include <linux/types.h>
9 #include <linux/crypto.h>
11 #define AES_MIN_KEY_SIZE 16
12 #define AES_MAX_KEY_SIZE 32
13 #define AES_KEYSIZE_128 16
14 #define AES_KEYSIZE_192 24
15 #define AES_KEYSIZE_256 32
16 #define AES_BLOCK_SIZE 16
17 #define AES_MAX_KEYLENGTH (15 * 16)
18 #define AES_MAX_KEYLENGTH_U32 (AES_MAX_KEYLENGTH / sizeof(u32))
21 * Please ensure that the first two fields are 16-byte aligned
22 * relative to the start of the structure, i.e., don't move them!
24 struct crypto_aes_ctx {
25 u32 key_enc[AES_MAX_KEYLENGTH_U32];
26 u32 key_dec[AES_MAX_KEYLENGTH_U32];
30 extern const u32 crypto_ft_tab[4][256];
31 extern const u32 crypto_fl_tab[4][256];
32 extern const u32 crypto_it_tab[4][256];
33 extern const u32 crypto_il_tab[4][256];
35 int crypto_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
36 unsigned int key_len);
37 int crypto_aes_expand_key(struct crypto_aes_ctx *ctx, const u8 *in_key,
38 unsigned int key_len);