include/crypto/internal/geniv.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * geniv: IV generation
   4  *
   5  * Copyright (c) 2015 Herbert Xu <[email protected]>
   6  */
   7
   8 #ifndef _CRYPTO_INTERNAL_GENIV_H
   9 #define _CRYPTO_INTERNAL_GENIV_H
  10
  11 #include <crypto/internal/aead.h>
  12 #include <linux/spinlock.h>
  13 #include <linux/types.h>
  14
  15 struct aead_geniv_ctx {
  16         spinlock_t lock;
  17         struct crypto_aead *child;
  18         struct crypto_sync_skcipher *sknull;
  19         u8 salt[] __attribute__ ((aligned(__alignof__(u32))));
  20 };
  21
  22 struct aead_instance *aead_geniv_alloc(struct crypto_template *tmpl,
  23                                        struct rtattr **tb);
  24 int aead_init_geniv(struct crypto_aead *tfm);
  25 void aead_exit_geniv(struct crypto_aead *tfm);
  26
  27 #endif  /* _CRYPTO_INTERNAL_GENIV_H */