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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2006-09-21 11:39:29 +1000 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2006-09-21 11:39:29 +1000 |
| commit | 6bfd48096ff8ecabf955958b51ddfa7988eb0a14 (patch) | |
| tree | 813799f00d8402348ba6817953b1c631541be66c /include | |
| parent | 492e2b63eb10c28f4f0b694264d74a8755cd1be0 (diff) | |
| download | kernel-crypto-6bfd48096ff8ecabf955958b51ddfa7988eb0a14.tar.gz kernel-crypto-6bfd48096ff8ecabf955958b51ddfa7988eb0a14.tar.xz kernel-crypto-6bfd48096ff8ecabf955958b51ddfa7988eb0a14.zip | |
[CRYPTO] api: Added spawns
Spawns lock a specific crypto algorithm in place. They can then be used
with crypto_spawn_tfm to allocate a tfm for that algorithm. When the base
algorithm of a spawn is deregistered, all its spawns will be automatically
removed.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/crypto/algapi.h | 11 | ||||
| -rw-r--r-- | include/linux/crypto.h | 4 |
2 files changed, 15 insertions, 0 deletions
diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h index ffec530d52f..b20f4bdb23b 100644 --- a/include/crypto/algapi.h +++ b/include/crypto/algapi.h @@ -36,10 +36,21 @@ struct crypto_template { char name[CRYPTO_MAX_ALG_NAME]; }; +struct crypto_spawn { + struct list_head list; + struct crypto_alg *alg; + struct crypto_instance *inst; +}; + int crypto_register_template(struct crypto_template *tmpl); void crypto_unregister_template(struct crypto_template *tmpl); struct crypto_template *crypto_lookup_template(const char *name); +int crypto_init_spawn(struct crypto_spawn *spawn, struct crypto_alg *alg, + struct crypto_instance *inst); +void crypto_drop_spawn(struct crypto_spawn *spawn); +struct crypto_tfm *crypto_spawn_tfm(struct crypto_spawn *spawn); + static inline void *crypto_instance_ctx(struct crypto_instance *inst) { return inst->__ctx; diff --git a/include/linux/crypto.h b/include/linux/crypto.h index 85f73c38191..40a6330abc8 100644 --- a/include/linux/crypto.h +++ b/include/linux/crypto.h @@ -35,6 +35,8 @@ #define CRYPTO_ALG_TYPE_COMPRESS 0x00000004 #define CRYPTO_ALG_LARVAL 0x00000010 +#define CRYPTO_ALG_DEAD 0x00000020 +#define CRYPTO_ALG_DYING 0x00000040 /* * Transform masks and values (for crt_flags). @@ -145,6 +147,8 @@ struct compress_alg { struct crypto_alg { struct list_head cra_list; + struct list_head cra_users; + u32 cra_flags; unsigned int cra_blocksize; unsigned int cra_ctxsize; |