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/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
/*
* Copyright (c) 2016-2017, Mellanox Technologies. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _UAPI_LINUX_TLS_H
#define _UAPI_LINUX_TLS_H
#include <linux/types.h>
/* TLS socket options */
#define TLS_TX 1 /* Set transmit parameters */
#define TLS_RX 2 /* Set receive parameters */
/* Supported versions */
#define TLS_VERSION_MINOR(ver) ((ver) & 0xFF)
#define TLS_VERSION_MAJOR(ver) (((ver) >> 8) & 0xFF)
#define TLS_VERSION_NUMBER(id) ((((id##_VERSION_MAJOR) & 0xFF) << 8) | \
((id##_VERSION_MINOR) & 0xFF))
#define TLS_1_2_VERSION_MAJOR 0x3
#define TLS_1_2_VERSION_MINOR 0x3
#define TLS_1_2_VERSION TLS_VERSION_NUMBER(TLS_1_2)
#define TLS_1_3_VERSION_MAJOR 0x3
#define TLS_1_3_VERSION_MINOR 0x4
#define TLS_1_3_VERSION TLS_VERSION_NUMBER(TLS_1_3)
/* Supported ciphers */
#define TLS_CIPHER_AES_GCM_128 51
#define TLS_CIPHER_AES_GCM_128_IV_SIZE 8
#define TLS_CIPHER_AES_GCM_128_KEY_SIZE 16
#define TLS_CIPHER_AES_GCM_128_SALT_SIZE 4
#define TLS_CIPHER_AES_GCM_128_TAG_SIZE 16
#define TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE 8
#define TLS_CIPHER_AES_GCM_256 52
#define TLS_CIPHER_AES_GCM_256_IV_SIZE 8
#define TLS_CIPHER_AES_GCM_256_KEY_SIZE 32
#define TLS_CIPHER_AES_GCM_256_SALT_SIZE 4
#define TLS_CIPHER_AES_GCM_256_TAG_SIZE 16
#define TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE 8
#define TLS_CIPHER_AES_CCM_128 53
#define TLS_CIPHER_AES_CCM_128_IV_SIZE 8
#define TLS_CIPHER_AES_CCM_128_KEY_SIZE 16
#define TLS_CIPHER_AES_CCM_128_SALT_SIZE 4
#define TLS_CIPHER_AES_CCM_128_TAG_SIZE 16
#define TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE 8
#define TLS_CIPHER_CHACHA20_POLY1305 54
#define TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE 12
#define TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE 32
#define TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE 0
#define TLS_CIPHER_CHACHA20_POLY1305_TAG_SIZE 16
#define TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE 8
#define TLS_SET_RECORD_TYPE 1
#define TLS_GET_RECORD_TYPE 2
struct tls_crypto_info {
__u16 version;
__u16 cipher_type;
};
struct tls12_crypto_info_aes_gcm_128 {
struct tls_crypto_info info;
unsigned char iv[TLS_CIPHER_AES_GCM_128_IV_SIZE];
unsigned char key[TLS_CIPHER_AES_GCM_128_KEY_SIZE];
unsigned char salt[TLS_CIPHER_AES_GCM_128_SALT_SIZE];
unsigned char rec_seq[TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE];
};
struct tls12_crypto_info_aes_gcm_256 {
struct tls_crypto_info info;
unsigned char iv[TLS_CIPHER_AES_GCM_256_IV_SIZE];
unsigned char key[TLS_CIPHER_AES_GCM_256_KEY_SIZE];
unsigned char salt[TLS_CIPHER_AES_GCM_256_SALT_SIZE];
unsigned char rec_seq[TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE];
};
struct tls12_crypto_info_aes_ccm_128 {
struct tls_crypto_info info;
unsigned char iv[TLS_CIPHER_AES_CCM_128_IV_SIZE];
unsigned char key[TLS_CIPHER_AES_CCM_128_KEY_SIZE];
unsigned char salt[TLS_CIPHER_AES_CCM_128_SALT_SIZE];
unsigned char rec_seq[TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE];
};
struct tls12_crypto_info_chacha20_poly1305 {
struct tls_crypto_info info;
unsigned char iv[TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE];
unsigned char key[TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE];
unsigned char salt[TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE];
unsigned char rec_seq[TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE];
};
enum {
TLS_INFO_UNSPEC,
TLS_INFO_VERSION,
TLS_INFO_CIPHER,
TLS_INFO_TXCONF,
TLS_INFO_RXCONF,
__TLS_INFO_MAX,
};
#define TLS_INFO_MAX (__TLS_INFO_MAX - 1)
#define TLS_CONF_BASE 1
#define TLS_CONF_SW 2
#define TLS_CONF_HW 3
#define TLS_CONF_HW_RECORD 4
#endif /* _UAPI_LINUX_TLS_H */
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