root/include/uapi/linux/tls.h

INCLUDED FROM

   1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */
   2 /*
   3  * Copyright (c) 2016-2017, Mellanox Technologies. All rights reserved.
   4  *
   5  * This software is available to you under a choice of one of two
   6  * licenses.  You may choose to be licensed under the terms of the GNU
   7  * General Public License (GPL) Version 2, available from the file
   8  * COPYING in the main directory of this source tree, or the
   9  * OpenIB.org BSD license below:
  10  *
  11  *     Redistribution and use in source and binary forms, with or
  12  *     without modification, are permitted provided that the following
  13  *     conditions are met:
  14  *
  15  *      - Redistributions of source code must retain the above
  16  *        copyright notice, this list of conditions and the following
  17  *        disclaimer.
  18  *
  19  *      - Redistributions in binary form must reproduce the above
  20  *        copyright notice, this list of conditions and the following
  21  *        disclaimer in the documentation and/or other materials
  22  *        provided with the distribution.
  23  *
  24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  25  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  26  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  27  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  28  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  29  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  30  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  31  * SOFTWARE.
  32  */
  33 
  34 #ifndef _UAPI_LINUX_TLS_H
  35 #define _UAPI_LINUX_TLS_H
  36 
  37 #include <linux/types.h>
  38 
  39 /* TLS socket options */
  40 #define TLS_TX                  1       /* Set transmit parameters */
  41 #define TLS_RX                  2       /* Set receive parameters */
  42 
  43 /* Supported versions */
  44 #define TLS_VERSION_MINOR(ver)  ((ver) & 0xFF)
  45 #define TLS_VERSION_MAJOR(ver)  (((ver) >> 8) & 0xFF)
  46 
  47 #define TLS_VERSION_NUMBER(id)  ((((id##_VERSION_MAJOR) & 0xFF) << 8) | \
  48                                  ((id##_VERSION_MINOR) & 0xFF))
  49 
  50 #define TLS_1_2_VERSION_MAJOR   0x3
  51 #define TLS_1_2_VERSION_MINOR   0x3
  52 #define TLS_1_2_VERSION         TLS_VERSION_NUMBER(TLS_1_2)
  53 
  54 #define TLS_1_3_VERSION_MAJOR   0x3
  55 #define TLS_1_3_VERSION_MINOR   0x4
  56 #define TLS_1_3_VERSION         TLS_VERSION_NUMBER(TLS_1_3)
  57 
  58 /* Supported ciphers */
  59 #define TLS_CIPHER_AES_GCM_128                          51
  60 #define TLS_CIPHER_AES_GCM_128_IV_SIZE                  8
  61 #define TLS_CIPHER_AES_GCM_128_KEY_SIZE         16
  62 #define TLS_CIPHER_AES_GCM_128_SALT_SIZE                4
  63 #define TLS_CIPHER_AES_GCM_128_TAG_SIZE         16
  64 #define TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE             8
  65 
  66 #define TLS_CIPHER_AES_GCM_256                          52
  67 #define TLS_CIPHER_AES_GCM_256_IV_SIZE                  8
  68 #define TLS_CIPHER_AES_GCM_256_KEY_SIZE         32
  69 #define TLS_CIPHER_AES_GCM_256_SALT_SIZE                4
  70 #define TLS_CIPHER_AES_GCM_256_TAG_SIZE         16
  71 #define TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE             8
  72 
  73 #define TLS_CIPHER_AES_CCM_128                          53
  74 #define TLS_CIPHER_AES_CCM_128_IV_SIZE                  8
  75 #define TLS_CIPHER_AES_CCM_128_KEY_SIZE         16
  76 #define TLS_CIPHER_AES_CCM_128_SALT_SIZE                4
  77 #define TLS_CIPHER_AES_CCM_128_TAG_SIZE         16
  78 #define TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE             8
  79 
  80 #define TLS_SET_RECORD_TYPE     1
  81 #define TLS_GET_RECORD_TYPE     2
  82 
  83 struct tls_crypto_info {
  84         __u16 version;
  85         __u16 cipher_type;
  86 };
  87 
  88 struct tls12_crypto_info_aes_gcm_128 {
  89         struct tls_crypto_info info;
  90         unsigned char iv[TLS_CIPHER_AES_GCM_128_IV_SIZE];
  91         unsigned char key[TLS_CIPHER_AES_GCM_128_KEY_SIZE];
  92         unsigned char salt[TLS_CIPHER_AES_GCM_128_SALT_SIZE];
  93         unsigned char rec_seq[TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE];
  94 };
  95 
  96 struct tls12_crypto_info_aes_gcm_256 {
  97         struct tls_crypto_info info;
  98         unsigned char iv[TLS_CIPHER_AES_GCM_256_IV_SIZE];
  99         unsigned char key[TLS_CIPHER_AES_GCM_256_KEY_SIZE];
 100         unsigned char salt[TLS_CIPHER_AES_GCM_256_SALT_SIZE];
 101         unsigned char rec_seq[TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE];
 102 };
 103 
 104 struct tls12_crypto_info_aes_ccm_128 {
 105         struct tls_crypto_info info;
 106         unsigned char iv[TLS_CIPHER_AES_CCM_128_IV_SIZE];
 107         unsigned char key[TLS_CIPHER_AES_CCM_128_KEY_SIZE];
 108         unsigned char salt[TLS_CIPHER_AES_CCM_128_SALT_SIZE];
 109         unsigned char rec_seq[TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE];
 110 };
 111 
 112 enum {
 113         TLS_INFO_UNSPEC,
 114         TLS_INFO_VERSION,
 115         TLS_INFO_CIPHER,
 116         TLS_INFO_TXCONF,
 117         TLS_INFO_RXCONF,
 118         __TLS_INFO_MAX,
 119 };
 120 #define TLS_INFO_MAX (__TLS_INFO_MAX - 1)
 121 
 122 #define TLS_CONF_BASE 1
 123 #define TLS_CONF_SW 2
 124 #define TLS_CONF_HW 3
 125 #define TLS_CONF_HW_RECORD 4
 126 
 127 #endif /* _UAPI_LINUX_TLS_H */