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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2016-07-12 13:17:42 +0800 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2016-07-18 17:35:42 +0800 |
| commit | ca0494c093371b1ca3cd4c8e14e1e7a19e6e21b6 (patch) | |
| tree | 7c1003354c83a4937c53ad3f45b840e005a5004a | |
| parent | 1e1f006112b50640d7fc11851346f906d223df09 (diff) | |
| download | linux-ca0494c093371b1ca3cd4c8e14e1e7a19e6e21b6.tar.gz linux-ca0494c093371b1ca3cd4c8e14e1e7a19e6e21b6.tar.bz2 linux-ca0494c093371b1ca3cd4c8e14e1e7a19e6e21b6.zip | |
crypto: aead - Add skcipher null for IV generators
This patch adds an skcipher null object alongside the existing
null blkcipher so that IV generators using it can switch over
to skcipher.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
| -rw-r--r-- | crypto/aead.c | 10 | ||||
| -rw-r--r-- | include/crypto/internal/geniv.h | 1 |
2 files changed, 10 insertions, 1 deletions
diff --git a/crypto/aead.c b/crypto/aead.c index b155cbc3a0dd..a5d9a83f90e4 100644 --- a/crypto/aead.c +++ b/crypto/aead.c @@ -294,10 +294,15 @@ int aead_init_geniv(struct crypto_aead *aead) if (err) goto out; + ctx->sknull = crypto_get_default_null_skcipher2(); + err = PTR_ERR(ctx->sknull); + if (IS_ERR(ctx->sknull)) + goto out; + ctx->null = crypto_get_default_null_skcipher(); err = PTR_ERR(ctx->null); if (IS_ERR(ctx->null)) - goto out; + goto drop_sknull; child = crypto_spawn_aead(aead_instance_ctx(inst)); err = PTR_ERR(child); @@ -315,6 +320,8 @@ out: drop_null: crypto_put_default_null_skcipher(); +drop_sknull: + crypto_put_default_null_skcipher2(); goto out; } EXPORT_SYMBOL_GPL(aead_init_geniv); @@ -325,6 +332,7 @@ void aead_exit_geniv(struct crypto_aead *tfm) crypto_free_aead(ctx->child); crypto_put_default_null_skcipher(); + crypto_put_default_null_skcipher2(); } EXPORT_SYMBOL_GPL(aead_exit_geniv); diff --git a/include/crypto/internal/geniv.h b/include/crypto/internal/geniv.h index 59333635e712..e8447c9c14e6 100644 --- a/include/crypto/internal/geniv.h +++ b/include/crypto/internal/geniv.h @@ -21,6 +21,7 @@ struct aead_geniv_ctx { spinlock_t lock; struct crypto_aead *child; struct crypto_blkcipher *null; + struct crypto_skcipher *sknull; u8 salt[] __attribute__ ((aligned(__alignof__(u32)))); }; |