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crypto: aead - Add type-safe geniv init/exit helpers

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This patch adds the helpers aead_init_geniv and aead_exit_geniv
which are type-safe and intended the replace the existing geniv
init/exit helpers.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu
2015-08-13 17:28:58 +08:00
parent 66008d4230
commit 149a39717d
4 changed files with 74 additions and 9 deletions
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6
include/crypto/internal/aead.h
View File

@@ -123,12 +123,6 @@ static inline struct crypto_aead *crypto_spawn_aead(
return crypto_spawn_tfm2(&spawn->base);
}
struct aead_instance *aead_geniv_alloc(struct crypto_template *tmpl,
struct rtattr **tb, u32 type, u32 mask);
void aead_geniv_free(struct aead_instance *inst);
int aead_geniv_init(struct crypto_tfm *tfm);
void aead_geniv_exit(struct crypto_tfm *tfm);
static inline struct crypto_aead *aead_geniv_base(struct crypto_aead *geniv)
{
return geniv->child;

11
include/crypto/internal/geniv.h
View File

@@ -15,10 +15,21 @@
#include <crypto/internal/aead.h>
#include <linux/spinlock.h>
#include <linux/types.h>
struct aead_geniv_ctx {
spinlock_t lock;
struct crypto_aead *child;
struct crypto_blkcipher *null;
u8 salt[] __attribute__ ((aligned(__alignof__(u32))));
};
struct aead_instance *aead_geniv_alloc(struct crypto_template *tmpl,
struct rtattr **tb, u32 type, u32 mask);
void aead_geniv_free(struct aead_instance *inst);
int aead_geniv_init(struct crypto_tfm *tfm);
void aead_geniv_exit(struct crypto_tfm *tfm);
int aead_init_geniv(struct crypto_aead *tfm);
void aead_exit_geniv(struct crypto_aead *tfm);
#endif /* _CRYPTO_INTERNAL_GENIV_H */