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[CRYPTO] cryptd: Add software async crypto daemon

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This patch adds the cryptd module which is a template that takes a
synchronous software crypto algorithm and converts it to an asynchronous
one by executing it in a kernel thread.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Herbert Xu
2007-04-16 20:49:20 +10:00
parent a73e69965f
commit 124b53d020
4 changed files with 400 additions and 0 deletions
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15
include/crypto/algapi.h
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@@ -138,6 +138,12 @@ static inline void *crypto_tfm_ctx_aligned(struct crypto_tfm *tfm)
return (void *)ALIGN(addr, align);
}
static inline struct crypto_instance *crypto_tfm_alg_instance(
struct crypto_tfm *tfm)
{
return container_of(tfm->__crt_alg, struct crypto_instance, alg);
}
static inline void *crypto_instance_ctx(struct crypto_instance *inst)
{
return inst->__ctx;
@@ -154,6 +160,15 @@ static inline void *crypto_ablkcipher_ctx(struct crypto_ablkcipher *tfm)
return crypto_tfm_ctx(&tfm->base);
}
static inline struct crypto_blkcipher *crypto_spawn_blkcipher(
struct crypto_spawn *spawn)
{
u32 type = CRYPTO_ALG_TYPE_BLKCIPHER;
u32 mask = CRYPTO_ALG_TYPE_MASK | CRYPTO_ALG_ASYNC;
return __crypto_blkcipher_cast(crypto_spawn_tfm(spawn, type, mask));
}
static inline void *crypto_blkcipher_ctx(struct crypto_blkcipher *tfm)
{
return crypto_tfm_ctx(&tfm->base);