linux/include/uapi/linux/if_alg.h

/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
/*
 * if_alg: User-space algorithm interface
 *
 * Copyright (c) 2010 Herbert Xu <[email protected]>
 *
 * 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 {};

/*
 * 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 {};

struct af_alg_iv {};

/* Socket options */
#define ALG_SET_KEY
#define ALG_SET_IV
#define ALG_SET_OP
#define ALG_SET_AEAD_ASSOCLEN
#define ALG_SET_AEAD_AUTHSIZE
#define ALG_SET_DRBG_ENTROPY
#define ALG_SET_KEY_BY_KEY_SERIAL

/* Operations */
#define ALG_OP_DECRYPT
#define ALG_OP_ENCRYPT

#endif	/* _LINUX_IF_ALG_H */