include/crypto/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_SKCIPHER_H
  14 #define _CRYPTO_SKCIPHER_H
  15
  16 #include <linux/crypto.h>
  17
  18 /**
  19  *      struct skcipher_givcrypt_request - Crypto request with IV generation
  20  *      @seq: Sequence number for IV generation
  21  *      @giv: Space for generated IV
  22  *      @creq: The crypto request itself
  23  */
  24 struct skcipher_givcrypt_request {
  25         u64 seq;
  26         u8 *giv;
  27
  28         struct ablkcipher_request creq;
  29 };
  30
  31 static inline struct crypto_ablkcipher *skcipher_givcrypt_reqtfm(
  32         struct skcipher_givcrypt_request *req)
  33 {
  34         return crypto_ablkcipher_reqtfm(&req->creq);
  35 }
  36
  37 #endif  /* _CRYPTO_SKCIPHER_H */
  38