mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-30 08:04:13 +08:00
109568e110
The Intel AES-NI AES acceleration instructions need key_enc, key_dec in struct crypto_aes_ctx to be 16 byte aligned, it make this easier to move key_length to be the last one. Signed-off-by: Huang Ying <ying.huang@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
40 lines
1019 B
C
40 lines
1019 B
C
/*
|
|
* Common values for AES algorithms
|
|
*/
|
|
|
|
#ifndef _CRYPTO_AES_H
|
|
#define _CRYPTO_AES_H
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/crypto.h>
|
|
|
|
#define AES_MIN_KEY_SIZE 16
|
|
#define AES_MAX_KEY_SIZE 32
|
|
#define AES_KEYSIZE_128 16
|
|
#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;
|
|
};
|
|
|
|
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
|