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Edit File: if_alg.h

/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* * 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]; }; /* * Linux v4.12 and later removed the 64-byte limit on salg_name[]; it's now an * arbitrary-length field. We had to keep the original struct above for source * compatibility with existing userspace programs, though. Use the new struct * below if support for very long algorithm names is needed. To do this, * allocate 'sizeof(struct sockaddr_alg_new) + strlen(algname) + 1' bytes, and * copy algname (including the null terminator) into salg_name. */ struct sockaddr_alg_new { __u16 salg_family; __u8 salg_type[14]; __u32 salg_feat; __u32 salg_mask; __u8 salg_name[]; }; 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 #define ALG_SET_AEAD_ASSOCLEN 4 #define ALG_SET_AEAD_AUTHSIZE 5 #define ALG_SET_DRBG_ENTROPY 6 /* Operations */ #define ALG_OP_DECRYPT 0 #define ALG_OP_ENCRYPT 1 #endif /* _LINUX_IF_ALG_H */