include/crypto/internal/skcipher.h

   1 /*
   2  * Symmetric key ciphers.
   3  *
   4  * Copyright (c) 2007 Herbert Xu <herbert@gondor.apana.org.au>
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the Free
   8  * Software Foundation; either version 2 of the License, or (at your option)
   9  * any later version.
  10  *
  11  */
  12
  13 #ifndef _CRYPTO_INTERNAL_SKCIPHER_H
  14 #define _CRYPTO_INTERNAL_SKCIPHER_H
  15
  16 #include <crypto/algapi.h>
  17
  18 struct crypto_skcipher_spawn {
  19         struct crypto_spawn base;
  20 };
  21
  22 static inline void crypto_set_skcipher_spawn(
  23         struct crypto_skcipher_spawn *spawn, struct crypto_instance *inst)
  24 {
  25         crypto_set_spawn(&spawn->base, inst);
  26 }
  27
  28 int crypto_grab_skcipher(struct crypto_skcipher_spawn *spawn, const char *name,
  29                          u32 type, u32 mask);
  30
  31 static inline void crypto_drop_skcipher(struct crypto_skcipher_spawn *spawn)
  32 {
  33         crypto_drop_spawn(&spawn->base);
  34 }
  35
  36 static inline struct crypto_alg *crypto_skcipher_spawn_alg(
  37         struct crypto_skcipher_spawn *spawn)
  38 {
  39         return spawn->base.alg;
  40 }
  41
  42 static inline struct crypto_ablkcipher *crypto_spawn_skcipher(
  43         struct crypto_skcipher_spawn *spawn)
  44 {
  45         return __crypto_ablkcipher_cast(
  46                 crypto_spawn_tfm(&spawn->base, crypto_skcipher_type(0),
  47                                  crypto_skcipher_mask(0)));
  48 }
  49
  50 #endif  /* _CRYPTO_INTERNAL_SKCIPHER_H */
  51