/* 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 */