diff options
Diffstat (limited to 'include/crypto/aes.h')
| -rw-r--r-- | include/crypto/aes.h | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/include/crypto/aes.h b/include/crypto/aes.h index d480b76715a..7524ba3b6f3 100644 --- a/include/crypto/aes.h +++ b/include/crypto/aes.h @@ -14,18 +14,26 @@ #define AES_KEYSIZE_192 24 #define AES_KEYSIZE_256 32 #define AES_BLOCK_SIZE 16 +#define AES_MAX_KEYLENGTH (15 * 16) +#define AES_MAX_KEYLENGTH_U32 (AES_MAX_KEYLENGTH / sizeof(u32)) +/* + * Please ensure that the first two fields are 16-byte aligned + * relative to the start of the structure, i.e., don't move them! + */ struct crypto_aes_ctx { + u32 key_enc[AES_MAX_KEYLENGTH_U32]; + u32 key_dec[AES_MAX_KEYLENGTH_U32]; u32 key_length; - u32 key_enc[60]; - u32 key_dec[60]; }; -extern u32 crypto_ft_tab[4][256]; -extern u32 crypto_fl_tab[4][256]; -extern u32 crypto_it_tab[4][256]; -extern u32 crypto_il_tab[4][256]; +extern const u32 crypto_ft_tab[4][256]; +extern const u32 crypto_fl_tab[4][256]; +extern const u32 crypto_it_tab[4][256]; +extern const u32 crypto_il_tab[4][256]; int crypto_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, unsigned int key_len); +int crypto_aes_expand_key(struct crypto_aes_ctx *ctx, const u8 *in_key, + unsigned int key_len); #endif |