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author | Herbert Xu <herbert@gondor.apana.org.au> | 2015-05-28 22:07:53 +0800 |
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committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-06-03 10:48:33 +0800 |
commit | 4b1a6955656f027637027e1d5ad7ea1fd5b7feb5 (patch) | |
tree | d7f7c066d75541d287131d0fbbc3f6722b9e2145 | |
parent | 7de6f3b2327e4bd3cec82a80eb6d014f908facc1 (diff) | |
download | linux-crypto-4b1a6955656f027637027e1d5ad7ea1fd5b7feb5.tar.gz linux-crypto-4b1a6955656f027637027e1d5ad7ea1fd5b7feb5.zip |
crypto: aead - Add type-safe init/exit functions
As it stands the only non-type safe functions left in the new
AEAD interface are the cra_init/cra_exit functions. It means
exposing the ugly __crypto_aead_cast to every AEAD implementor.
This patch adds type-safe init/exit functions to AEAD. Existing
algorithms are unaffected while new implementations can simply
fill in these two instead of cra_init/cra_exit.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to '')
-rw-r--r-- | crypto/aead.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/crypto/aead.c b/crypto/aead.c index 8cdea899..4bab3cff 100644 --- a/crypto/aead.c +++ b/crypto/aead.c @@ -174,6 +174,14 @@ static int crypto_old_aead_init_tfm(struct crypto_tfm *tfm) return 0; } +static void crypto_aead_exit_tfm(struct crypto_tfm *tfm) +{ + struct crypto_aead *aead = __crypto_aead_cast(tfm); + struct aead_alg *alg = crypto_aead_alg(aead); + + alg->exit(aead); +} + static int crypto_aead_init_tfm(struct crypto_tfm *tfm) { struct crypto_aead *aead = __crypto_aead_cast(tfm); @@ -189,6 +197,12 @@ static int crypto_aead_init_tfm(struct crypto_tfm *tfm) aead->child = __crypto_aead_cast(tfm); aead->authsize = alg->maxauthsize; + if (alg->exit) + aead->base.exit = crypto_aead_exit_tfm; + + if (alg->init) + return alg->init(aead); + return 0; } |