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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2006-08-13 14:16:39 +1000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2006-09-21 11:41:02 +1000 |
| commit | 560c06ae1ab7c677002ea3b6ac83521bf12ee07d (patch) | |
| tree | 374ed69a7e23ba9d07458d20672aac6ae552ae51 /crypto/aes.c | |
| parent | 25cdbcd9e5d20e431f829cafce48a418830011f4 (diff) | |
| download | lwn-560c06ae1ab7c677002ea3b6ac83521bf12ee07d.tar.gz lwn-560c06ae1ab7c677002ea3b6ac83521bf12ee07d.zip | |
[CRYPTO] api: Get rid of flags argument to setkey
Now that the tfm is passed directly to setkey instead of the ctx, we no
longer need to pass the &tfm->crt_flags pointer.
This patch also gets rid of a few unnecessary checks on the key length
for ciphers as the cipher layer guarantees that the key length is within
the bounds specified by the algorithm.
Rather than testing dia_setkey every time, this patch does it only once
during crypto_alloc_tfm. The redundant check from crypto_digest_setkey
is also removed.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'crypto/aes.c')
| -rw-r--r-- | crypto/aes.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/crypto/aes.c b/crypto/aes.c index a038711831e7..e2440773878c 100644 --- a/crypto/aes.c +++ b/crypto/aes.c @@ -249,13 +249,14 @@ gen_tabs (void) } static int aes_set_key(struct crypto_tfm *tfm, const u8 *in_key, - unsigned int key_len, u32 *flags) + unsigned int key_len) { struct aes_ctx *ctx = crypto_tfm_ctx(tfm); const __le32 *key = (const __le32 *)in_key; + u32 *flags = &tfm->crt_flags; u32 i, t, u, v, w; - if (key_len != 16 && key_len != 24 && key_len != 32) { + if (key_len % 8) { *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; return -EINVAL; } |