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crypto: aead - Remove blkcipher null for IV generators

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The blkcipher null object is no longer used and can now be removed.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu 2016-07-12 13:17:46 +08:00
parent ef22871f20
commit da721302a7
2 changed files with 0 additions and 9 deletions
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8
crypto/aead.c
View File

@ -299,11 +299,6 @@ int aead_init_geniv(struct crypto_aead *aead)
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 drop_sknull;
child = crypto_spawn_aead(aead_instance_ctx(inst));
err = PTR_ERR(child);
if (IS_ERR(child))
@ -319,8 +314,6 @@ out:
return err;
drop_null:
crypto_put_default_null_skcipher();
drop_sknull:
crypto_put_default_null_skcipher2();
goto out;
}
@ -331,7 +324,6 @@ void aead_exit_geniv(struct crypto_aead *tfm)
struct aead_geniv_ctx *ctx = crypto_aead_ctx(tfm);
crypto_free_aead(ctx->child);
crypto_put_default_null_skcipher();
crypto_put_default_null_skcipher2();
}
EXPORT_SYMBOL_GPL(aead_exit_geniv);

1
include/crypto/internal/geniv.h
View File

@ -20,7 +20,6 @@
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))));
};