Commit | Line | Data |
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89e12654 SS |
1 | /* |
2 | * Common values for AES algorithms | |
3 | */ | |
4 | ||
5 | #ifndef _CRYPTO_AES_H | |
6 | #define _CRYPTO_AES_H | |
7 | ||
96e82e45 SS |
8 | #include <linux/types.h> |
9 | #include <linux/crypto.h> | |
10 | ||
89e12654 SS |
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 | |
5427663f SS |
17 | #define AES_MAX_KEYLENGTH (15 * 16) |
18 | #define AES_MAX_KEYLENGTH_U32 (AES_MAX_KEYLENGTH / sizeof(u32)) | |
89e12654 | 19 | |
96e82e45 SS |
20 | struct crypto_aes_ctx { |
21 | u32 key_length; | |
5427663f SS |
22 | u32 key_enc[AES_MAX_KEYLENGTH_U32]; |
23 | u32 key_dec[AES_MAX_KEYLENGTH_U32]; | |
96e82e45 SS |
24 | }; |
25 | ||
0ee4a969 HX |
26 | extern const u32 crypto_ft_tab[4][256]; |
27 | extern const u32 crypto_fl_tab[4][256]; | |
28 | extern const u32 crypto_it_tab[4][256]; | |
29 | extern const u32 crypto_il_tab[4][256]; | |
96e82e45 SS |
30 | |
31 | int crypto_aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, | |
32 | unsigned int key_len); | |
5427663f SS |
33 | int crypto_aes_expand_key(struct crypto_aes_ctx *ctx, const u8 *in_key, |
34 | unsigned int key_len); | |
89e12654 | 35 | #endif |