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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
| commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
| tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /include/crypto/aes.h | |
| parent | Initial commit. (diff) | |
| download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip | |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/crypto/aes.h')
| -rw-r--r-- | include/crypto/aes.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/include/crypto/aes.h b/include/crypto/aes.h new file mode 100644 index 000000000..852eaa9cd --- /dev/null +++ b/include/crypto/aes.h @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * 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 |