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| author | Sebastian Siewior <sebastian@breakpoint.cc> | 2008-04-01 20:58:51 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2008-04-21 10:19:34 +0800 |
| commit | 5427663f498e19b441277de72ce7a685511f247c (patch) | |
| tree | caebca4d656c8028780bf1d692dd325704332225 /include/crypto/aes.h | |
| parent | c3715cb90f722b1cf5f6f073be02cc8a49659b90 (diff) | |
| download | lwn-5427663f498e19b441277de72ce7a685511f247c.tar.gz lwn-5427663f498e19b441277de72ce7a685511f247c.zip | |
[CRYPTO] aes: Export generic setkey
The key expansion routine could be get little more generic, become
a kernel doc entry and then get exported.
Signed-off-by: Sebastian Siewior <sebastian@breakpoint.cc>
Tested-by: Stefan Hellermann <stefan@the2masters.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/crypto/aes.h')
| -rw-r--r-- | include/crypto/aes.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/crypto/aes.h b/include/crypto/aes.h index d480b76715a8..40008d67ee3d 100644 --- a/include/crypto/aes.h +++ b/include/crypto/aes.h @@ -14,11 +14,13 @@ #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)) struct crypto_aes_ctx { u32 key_length; - u32 key_enc[60]; - u32 key_dec[60]; + u32 key_enc[AES_MAX_KEYLENGTH_U32]; + u32 key_dec[AES_MAX_KEYLENGTH_U32]; }; extern u32 crypto_ft_tab[4][256]; @@ -28,4 +30,6 @@ extern 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 |