include/linux/if_alg.h

   1 /*
   2  * if_alg: User-space algorithm interface
   3  *
   4  * Copyright (c) 2010 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 _LINUX_IF_ALG_H
  14 #define _LINUX_IF_ALG_H
  15
  16 #include <linux/types.h>
  17
  18 struct sockaddr_alg {
  19         __u16   salg_family;
  20         __u8    salg_type[14];
  21         __u32   salg_feat;
  22         __u32   salg_mask;
  23         __u8    salg_name[64];
  24 };
  25
  26 struct af_alg_iv {
  27         __u32   ivlen;
  28         __u8    iv[0];
  29 };
  30
  31 /* Socket options */
  32 #define ALG_SET_KEY                     1
  33 #define ALG_SET_IV                      2
  34 #define ALG_SET_OP                      3
  35
  36 /* Operations */
  37 #define ALG_OP_DECRYPT                  0
  38 #define ALG_OP_ENCRYPT                  1
  39
  40 #endif  /* _LINUX_IF_ALG_H */