include/crypto/cryptd.h

   1 /*
   2  * Software async crypto daemon
   3  *
   4  * Added AEAD support to cryptd.
   5  *    Authors: Tadeusz Struk (tadeusz.struk@intel.com)
   6  *             Adrian Hoban <adrian.hoban@intel.com>
   7  *             Gabriele Paoloni <gabriele.paoloni@intel.com>
   8  *             Aidan O'Mahony (aidan.o.mahony@intel.com)
   9  *    Copyright (c) 2010, Intel Corporation.
  10  */
  11
  12 #ifndef _CRYPTO_CRYPT_H
  13 #define _CRYPTO_CRYPT_H
  14
  15 #include <linux/crypto.h>
  16 #include <linux/kernel.h>
  17 #include <crypto/hash.h>
  18
  19 struct cryptd_ablkcipher {
  20         struct crypto_ablkcipher base;
  21 };
  22
  23 static inline struct cryptd_ablkcipher *__cryptd_ablkcipher_cast(
  24         struct crypto_ablkcipher *tfm)
  25 {
  26         return (struct cryptd_ablkcipher *)tfm;
  27 }
  28
  29 /* alg_name should be algorithm to be cryptd-ed */
  30 struct cryptd_ablkcipher *cryptd_alloc_ablkcipher(const char *alg_name,
  31                                                   u32 type, u32 mask);
  32 struct crypto_blkcipher *cryptd_ablkcipher_child(struct cryptd_ablkcipher *tfm);
  33 void cryptd_free_ablkcipher(struct cryptd_ablkcipher *tfm);
  34
  35 struct cryptd_ahash {
  36         struct crypto_ahash base;
  37 };
  38
  39 static inline struct cryptd_ahash *__cryptd_ahash_cast(
  40         struct crypto_ahash *tfm)
  41 {
  42         return (struct cryptd_ahash *)tfm;
  43 }
  44
  45 /* alg_name should be algorithm to be cryptd-ed */
  46 struct cryptd_ahash *cryptd_alloc_ahash(const char *alg_name,
  47                                         u32 type, u32 mask);
  48 struct crypto_shash *cryptd_ahash_child(struct cryptd_ahash *tfm);
  49 struct shash_desc *cryptd_shash_desc(struct ahash_request *req);
  50 void cryptd_free_ahash(struct cryptd_ahash *tfm);
  51
  52 struct cryptd_aead {
  53         struct crypto_aead base;
  54 };
  55
  56 static inline struct cryptd_aead *__cryptd_aead_cast(
  57         struct crypto_aead *tfm)
  58 {
  59         return (struct cryptd_aead *)tfm;
  60 }
  61
  62 struct cryptd_aead *cryptd_alloc_aead(const char *alg_name,
  63                                           u32 type, u32 mask);
  64
  65 struct crypto_aead *cryptd_aead_child(struct cryptd_aead *tfm);
  66
  67 void cryptd_free_aead(struct cryptd_aead *tfm);
  68
  69 #endif