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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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#define AES_MAX_KEYLENGTH (15 * 16)
18#define AES_MAX_KEYLENGTH_U32 (AES_MAX_KEYLENGTH / sizeof(u32))
19
20struct crypto_aes_ctx {
21 u32 key_length;
22 u32 key_enc[AES_MAX_KEYLENGTH_U32];
23 u32 key_dec[AES_MAX_KEYLENGTH_U32];
24};
25
26extern const u32 crypto_ft_tab[4][256];
27extern const u32 crypto_fl_tab[4][256];
28extern const u32 crypto_it_tab[4][256];
29extern const u32 crypto_il_tab[4][256];
30
31int crypto_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key,
32 unsigned int key_len);
33int crypto_aes_expand_key(struct crypto_aes_ctx *ctx, const u8 *in_key,
34 unsigned int key_len);
35#endif