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/kernel.h>
  16 #include <crypto/aead.h>
  17 #include <crypto/hash.h>
  18 #include <crypto/skcipher.h>
  19
  20 struct cryptd_ablkcipher {
  21         struct crypto_ablkcipher base;
  22 };
  23
  24 static inline struct cryptd_ablkcipher *__cryptd_ablkcipher_cast(
  25         struct crypto_ablkcipher *tfm)
  26 {
  27         return (struct cryptd_ablkcipher *)tfm;
  28 }
  29
  30 /* alg_name should be algorithm to be cryptd-ed */
  31 struct cryptd_ablkcipher *cryptd_alloc_ablkcipher(const char *alg_name,
  32                                                   u32 type, u32 mask);
  33 struct crypto_blkcipher *cryptd_ablkcipher_child(struct cryptd_ablkcipher *tfm);
  34 bool cryptd_ablkcipher_queued(struct cryptd_ablkcipher *tfm);
  35 void cryptd_free_ablkcipher(struct cryptd_ablkcipher *tfm);
  36
  37 struct cryptd_skcipher {
  38         struct crypto_skcipher base;
  39 };
  40
  41 struct cryptd_skcipher *cryptd_alloc_skcipher(const char *alg_name,
  42                                               u32 type, u32 mask);
  43 struct crypto_skcipher *cryptd_skcipher_child(struct cryptd_skcipher *tfm);
  44 /* Must be called without moving CPUs. */
  45 bool cryptd_skcipher_queued(struct cryptd_skcipher *tfm);
  46 void cryptd_free_skcipher(struct cryptd_skcipher *tfm);
  47
  48 struct cryptd_ahash {
  49         struct crypto_ahash base;
  50 };
  51
  52 static inline struct cryptd_ahash *__cryptd_ahash_cast(
  53         struct crypto_ahash *tfm)
  54 {
  55         return (struct cryptd_ahash *)tfm;
  56 }
  57
  58 /* alg_name should be algorithm to be cryptd-ed */
  59 struct cryptd_ahash *cryptd_alloc_ahash(const char *alg_name,
  60                                         u32 type, u32 mask);
  61 struct crypto_shash *cryptd_ahash_child(struct cryptd_ahash *tfm);
  62 struct shash_desc *cryptd_shash_desc(struct ahash_request *req);
  63 /* Must be called without moving CPUs. */
  64 bool cryptd_ahash_queued(struct cryptd_ahash *tfm);
  65 void cryptd_free_ahash(struct cryptd_ahash *tfm);
  66
  67 struct cryptd_aead {
  68         struct crypto_aead base;
  69 };
  70
  71 static inline struct cryptd_aead *__cryptd_aead_cast(
  72         struct crypto_aead *tfm)
  73 {
  74         return (struct cryptd_aead *)tfm;
  75 }
  76
  77 struct cryptd_aead *cryptd_alloc_aead(const char *alg_name,
  78                                           u32 type, u32 mask);
  79
  80 struct crypto_aead *cryptd_aead_child(struct cryptd_aead *tfm);
  81 /* Must be called without moving CPUs. */
  82 bool cryptd_aead_queued(struct cryptd_aead *tfm);
  83
  84 void cryptd_free_aead(struct cryptd_aead *tfm);
  85
  86 #endif