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crypto: cryptd - Add support to access underlying blkcipher

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cryptd_alloc_ablkcipher() will allocate a cryptd-ed ablkcipher for
specified algorithm name. The new allocated one is guaranteed to be
cryptd-ed ablkcipher, so the blkcipher underlying can be gotten via
cryptd_ablkcipher_child().

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Huang Ying 2009-01-18 16:19:46 +11:00 • committed by Herbert Xu
parent 1693531e9e
commit 1cac2cbc76
2 changed files with 62 additions and 0 deletions
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27
include/crypto/cryptd.h Normal file
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/*
* Software async crypto daemon
*/
#ifndef _CRYPTO_CRYPT_H
#define _CRYPTO_CRYPT_H
#include <linux/crypto.h>
#include <linux/kernel.h>
struct cryptd_ablkcipher {
struct crypto_ablkcipher base;
};
static inline struct cryptd_ablkcipher *__cryptd_ablkcipher_cast(
struct crypto_ablkcipher *tfm)
{
return (struct cryptd_ablkcipher *)tfm;
}
/* alg_name should be algorithm to be cryptd-ed */
struct cryptd_ablkcipher *cryptd_alloc_ablkcipher(const char *alg_name,
u32 type, u32 mask);
struct crypto_blkcipher *cryptd_ablkcipher_child(struct cryptd_ablkcipher *tfm);
void cryptd_free_ablkcipher(struct cryptd_ablkcipher *tfm);
#endif