root/include/uapi/linux/if_alg.h

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INCLUDED FROM

/*
 * if_alg: User-space algorithm interface
 *
 * Copyright (c) 2010 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 _LINUX_IF_ALG_H
#define _LINUX_IF_ALG_H

#include <linux/types.h>

struct sockaddr_alg {
        __u16   salg_family;
        __u8    salg_type[14];
        __u32   salg_feat;
        __u32   salg_mask;
        __u8    salg_name[64];
};

struct af_alg_iv {
        __u32   ivlen;
        __u8    iv[0];
};

/* Socket options */
#define ALG_SET_KEY                     1
#define ALG_SET_IV                      2
#define ALG_SET_OP                      3

/* Operations */
#define ALG_OP_DECRYPT                  0
#define ALG_OP_ENCRYPT                  1

#endif  /* _LINUX_IF_ALG_H */
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