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kernel/linux-imx6_3.14.28/include/crypto/internal/aead.h 2.06 KB
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  /*
   * AEAD: Authenticated Encryption with Associated Data
   * 
   * Copyright (c) 2007 Herbert Xu <herbert@gondor.apana.org.au>
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License as published by the Free
   * Software Foundation; either version 2 of the License, or (at your option) 
   * any later version.
   *
   */
  
  #ifndef _CRYPTO_INTERNAL_AEAD_H
  #define _CRYPTO_INTERNAL_AEAD_H
  
  #include <crypto/aead.h>
  #include <crypto/algapi.h>
  #include <linux/types.h>
  
  struct rtattr;
  
  struct crypto_aead_spawn {
  	struct crypto_spawn base;
  };
  
  extern const struct crypto_type crypto_nivaead_type;
  
  static inline void crypto_set_aead_spawn(
  	struct crypto_aead_spawn *spawn, struct crypto_instance *inst)
  {
  	crypto_set_spawn(&spawn->base, inst);
  }
  
  struct crypto_alg *crypto_lookup_aead(const char *name, u32 type, u32 mask);
  
  int crypto_grab_aead(struct crypto_aead_spawn *spawn, const char *name,
  		     u32 type, u32 mask);
  
  static inline void crypto_drop_aead(struct crypto_aead_spawn *spawn)
  {
  	crypto_drop_spawn(&spawn->base);
  }
  
  static inline struct crypto_alg *crypto_aead_spawn_alg(
  	struct crypto_aead_spawn *spawn)
  {
  	return spawn->base.alg;
  }
  
  static inline struct crypto_aead *crypto_spawn_aead(
  	struct crypto_aead_spawn *spawn)
  {
  	return __crypto_aead_cast(
  		crypto_spawn_tfm(&spawn->base, CRYPTO_ALG_TYPE_AEAD,
  				 CRYPTO_ALG_TYPE_MASK));
  }
  
  struct crypto_instance *aead_geniv_alloc(struct crypto_template *tmpl,
  					 struct rtattr **tb, u32 type,
  					 u32 mask);
  void aead_geniv_free(struct crypto_instance *inst);
  int aead_geniv_init(struct crypto_tfm *tfm);
  void aead_geniv_exit(struct crypto_tfm *tfm);
  
  static inline struct crypto_aead *aead_geniv_base(struct crypto_aead *geniv)
  {
  	return crypto_aead_crt(geniv)->base;
  }
  
  static inline void *aead_givcrypt_reqctx(struct aead_givcrypt_request *req)
  {
  	return aead_request_ctx(&req->areq);
  }
  
  static inline void aead_givcrypt_complete(struct aead_givcrypt_request *req,
  					  int err)
  {
  	aead_request_complete(&req->areq, err);
  }
  
  #endif	/* _CRYPTO_INTERNAL_AEAD_H */