include/crypto/internal/geniv.h

   1 /*
   2  * geniv: IV generation
   3  *
   4  * Copyright (c) 2015 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_GENIV_H
  14 #define _CRYPTO_INTERNAL_GENIV_H
  15
  16 #include <crypto/internal/aead.h>
  17 #include <linux/spinlock.h>
  18 #include <linux/types.h>
  19
  20 struct aead_geniv_ctx {
  21         spinlock_t lock;
  22         struct crypto_aead *child;
  23         struct crypto_sync_skcipher *sknull;
  24         u8 salt[] __attribute__ ((aligned(__alignof__(u32))));
  25 };
  26
  27 struct aead_instance *aead_geniv_alloc(struct crypto_template *tmpl,
  28                                        struct rtattr **tb, u32 type, u32 mask);
  29 void aead_geniv_free(struct aead_instance *inst);
  30 int aead_init_geniv(struct crypto_aead *tfm);
  31 void aead_exit_geniv(struct crypto_aead *tfm);
  32
  33 #endif  /* _CRYPTO_INTERNAL_GENIV_H */