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crypto: algapi - remove obsoleted instance creation helpers

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Remove lots of helper functions that were previously used for
instantiating crypto templates, but are now unused:

- crypto_get_attr_alg() and similar functions looked up an inner
  algorithm directly from a template parameter.  These were replaced
  with getting the algorithm's name, then calling crypto_grab_*().

- crypto_init_spawn2() and similar functions initialized a spawn, given
  an algorithm.  Similarly, these were replaced with crypto_grab_*().

- crypto_alloc_instance() and similar functions allocated an instance
  with a single spawn, given the inner algorithm.  These aren't useful
  anymore since crypto_grab_*() need the instance allocated first.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers 2020-01-02 19:59:06 -08:00 • committed by Herbert Xu
parent d5ed3b65f7
commit 629f1afc15
5 changed files with 0 additions and 154 deletions
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19
crypto/shash.c
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@ -584,24 +584,5 @@ void shash_free_instance(struct crypto_instance *inst)
}
EXPORT_SYMBOL_GPL(shash_free_instance);
int crypto_init_shash_spawn(struct crypto_shash_spawn *spawn,
struct shash_alg *alg,
struct crypto_instance *inst)
{
return crypto_init_spawn2(&spawn->base, &alg->base, inst,
&crypto_shash_type);
}
EXPORT_SYMBOL_GPL(crypto_init_shash_spawn);
struct shash_alg *shash_attr_alg(struct rtattr *rta, u32 type, u32 mask)
{
struct crypto_alg *alg;
alg = crypto_attr_alg2(rta, &crypto_shash_type, type, mask);
return IS_ERR(alg) ? ERR_CAST(alg) :
container_of(alg, struct shash_alg, base);
}
EXPORT_SYMBOL_GPL(shash_attr_alg);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Synchronous cryptographic hash type");