include/crypto/aes.h

   1 /*
   2  * Common values for AES algorithms
   3  */
   4
   5 #ifndef _CRYPTO_AES_H
   6 #define _CRYPTO_AES_H
   7
   8 #include <linux/types.h>
   9 #include <linux/crypto.h>
  10
  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
  18 struct crypto_aes_ctx {
  19         u32 key_length;
  20         u32 key_enc[60];
  21         u32 key_dec[60];
  22 };
  23
  24 extern u32 crypto_ft_tab[4][256];
  25 extern u32 crypto_fl_tab[4][256];
  26 extern u32 crypto_it_tab[4][256];
  27 extern u32 crypto_il_tab[4][256];
  28
  29 int crypto_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
  30                 unsigned int key_len);
  31 #endif