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      1 /*
      2  * if_alg: User-space algorithm interface
      3  *
      4  * Copyright (c) 2010 Herbert Xu <herbert (at) 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 */
     41