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 #define TLS_TX_ZEROCOPY_RO 3 /* TX zerocopy (only sendfile now) */ 43 #define TLS_RX_EXPECT_NO_PAD 4 /* Attempt opportunistic zero-copy */ 44 #define TLS_TX_MAX_PAYLOAD_LEN 5 /* Maximum plaintext size */ 45 46 /* Supported versions */ 47 #define TLS_VERSION_MINOR(ver) ((ver) & 0xFF) 48 #define TLS_VERSION_MAJOR(ver) (((ver) >> 8) & 0xFF) 49 50 #define TLS_VERSION_NUMBER(id) ((((id##_VERSION_MAJOR) & 0xFF) << 8) | \ 51 ((id##_VERSION_MINOR) & 0xFF)) 52 53 #define TLS_1_2_VERSION_MAJOR 0x3 54 #define TLS_1_2_VERSION_MINOR 0x3 55 #define TLS_1_2_VERSION TLS_VERSION_NUMBER(TLS_1_2) 56 57 #define TLS_1_3_VERSION_MAJOR 0x3 58 #define TLS_1_3_VERSION_MINOR 0x4 59 #define TLS_1_3_VERSION TLS_VERSION_NUMBER(TLS_1_3) 60 61 /* Supported ciphers */ 62 #define TLS_CIPHER_AES_GCM_128 51 63 #define TLS_CIPHER_AES_GCM_128_IV_SIZE 8 64 #define TLS_CIPHER_AES_GCM_128_KEY_SIZE 16 65 #define TLS_CIPHER_AES_GCM_128_SALT_SIZE 4 66 #define TLS_CIPHER_AES_GCM_128_TAG_SIZE 16 67 #define TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE 8 68 69 #define TLS_CIPHER_AES_GCM_256 52 70 #define TLS_CIPHER_AES_GCM_256_IV_SIZE 8 71 #define TLS_CIPHER_AES_GCM_256_KEY_SIZE 32 72 #define TLS_CIPHER_AES_GCM_256_SALT_SIZE 4 73 #define TLS_CIPHER_AES_GCM_256_TAG_SIZE 16 74 #define TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE 8 75 76 #define TLS_CIPHER_AES_CCM_128 53 77 #define TLS_CIPHER_AES_CCM_128_IV_SIZE 8 78 #define TLS_CIPHER_AES_CCM_128_KEY_SIZE 16 79 #define TLS_CIPHER_AES_CCM_128_SALT_SIZE 4 80 #define TLS_CIPHER_AES_CCM_128_TAG_SIZE 16 81 #define TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE 8 82 83 #define TLS_CIPHER_CHACHA20_POLY1305 54 84 #define TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE 12 85 #define TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE 32 86 #define TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE 0 87 #define TLS_CIPHER_CHACHA20_POLY1305_TAG_SIZE 16 88 #define TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE 8 89 90 #define TLS_CIPHER_SM4_GCM 55 91 #define TLS_CIPHER_SM4_GCM_IV_SIZE 8 92 #define TLS_CIPHER_SM4_GCM_KEY_SIZE 16 93 #define TLS_CIPHER_SM4_GCM_SALT_SIZE 4 94 #define TLS_CIPHER_SM4_GCM_TAG_SIZE 16 95 #define TLS_CIPHER_SM4_GCM_REC_SEQ_SIZE 8 96 97 #define TLS_CIPHER_SM4_CCM 56 98 #define TLS_CIPHER_SM4_CCM_IV_SIZE 8 99 #define TLS_CIPHER_SM4_CCM_KEY_SIZE 16 100 #define TLS_CIPHER_SM4_CCM_SALT_SIZE 4 101 #define TLS_CIPHER_SM4_CCM_TAG_SIZE 16 102 #define TLS_CIPHER_SM4_CCM_REC_SEQ_SIZE 8 103 104 #define TLS_CIPHER_ARIA_GCM_128 57 105 #define TLS_CIPHER_ARIA_GCM_128_IV_SIZE 8 106 #define TLS_CIPHER_ARIA_GCM_128_KEY_SIZE 16 107 #define TLS_CIPHER_ARIA_GCM_128_SALT_SIZE 4 108 #define TLS_CIPHER_ARIA_GCM_128_TAG_SIZE 16 109 #define TLS_CIPHER_ARIA_GCM_128_REC_SEQ_SIZE 8 110 111 #define TLS_CIPHER_ARIA_GCM_256 58 112 #define TLS_CIPHER_ARIA_GCM_256_IV_SIZE 8 113 #define TLS_CIPHER_ARIA_GCM_256_KEY_SIZE 32 114 #define TLS_CIPHER_ARIA_GCM_256_SALT_SIZE 4 115 #define TLS_CIPHER_ARIA_GCM_256_TAG_SIZE 16 116 #define TLS_CIPHER_ARIA_GCM_256_REC_SEQ_SIZE 8 117 118 #define TLS_SET_RECORD_TYPE 1 119 #define TLS_GET_RECORD_TYPE 2 120 121 struct tls_crypto_info { 122 __u16 version; 123 __u16 cipher_type; 124 }; 125 126 struct tls12_crypto_info_aes_gcm_128 { 127 struct tls_crypto_info info; 128 unsigned char iv[TLS_CIPHER_AES_GCM_128_IV_SIZE]; 129 unsigned char key[TLS_CIPHER_AES_GCM_128_KEY_SIZE]; 130 unsigned char salt[TLS_CIPHER_AES_GCM_128_SALT_SIZE]; 131 unsigned char rec_seq[TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE]; 132 }; 133 134 struct tls12_crypto_info_aes_gcm_256 { 135 struct tls_crypto_info info; 136 unsigned char iv[TLS_CIPHER_AES_GCM_256_IV_SIZE]; 137 unsigned char key[TLS_CIPHER_AES_GCM_256_KEY_SIZE]; 138 unsigned char salt[TLS_CIPHER_AES_GCM_256_SALT_SIZE]; 139 unsigned char rec_seq[TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE]; 140 }; 141 142 struct tls12_crypto_info_aes_ccm_128 { 143 struct tls_crypto_info info; 144 unsigned char iv[TLS_CIPHER_AES_CCM_128_IV_SIZE]; 145 unsigned char key[TLS_CIPHER_AES_CCM_128_KEY_SIZE]; 146 unsigned char salt[TLS_CIPHER_AES_CCM_128_SALT_SIZE]; 147 unsigned char rec_seq[TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE]; 148 }; 149 150 struct tls12_crypto_info_chacha20_poly1305 { 151 struct tls_crypto_info info; 152 unsigned char iv[TLS_CIPHER_CHACHA20_POLY1305_IV_SIZE]; 153 unsigned char key[TLS_CIPHER_CHACHA20_POLY1305_KEY_SIZE]; 154 unsigned char salt[TLS_CIPHER_CHACHA20_POLY1305_SALT_SIZE]; 155 unsigned char rec_seq[TLS_CIPHER_CHACHA20_POLY1305_REC_SEQ_SIZE]; 156 }; 157 158 struct tls12_crypto_info_sm4_gcm { 159 struct tls_crypto_info info; 160 unsigned char iv[TLS_CIPHER_SM4_GCM_IV_SIZE]; 161 unsigned char key[TLS_CIPHER_SM4_GCM_KEY_SIZE]; 162 unsigned char salt[TLS_CIPHER_SM4_GCM_SALT_SIZE]; 163 unsigned char rec_seq[TLS_CIPHER_SM4_GCM_REC_SEQ_SIZE]; 164 }; 165 166 struct tls12_crypto_info_sm4_ccm { 167 struct tls_crypto_info info; 168 unsigned char iv[TLS_CIPHER_SM4_CCM_IV_SIZE]; 169 unsigned char key[TLS_CIPHER_SM4_CCM_KEY_SIZE]; 170 unsigned char salt[TLS_CIPHER_SM4_CCM_SALT_SIZE]; 171 unsigned char rec_seq[TLS_CIPHER_SM4_CCM_REC_SEQ_SIZE]; 172 }; 173 174 struct tls12_crypto_info_aria_gcm_128 { 175 struct tls_crypto_info info; 176 unsigned char iv[TLS_CIPHER_ARIA_GCM_128_IV_SIZE]; 177 unsigned char key[TLS_CIPHER_ARIA_GCM_128_KEY_SIZE]; 178 unsigned char salt[TLS_CIPHER_ARIA_GCM_128_SALT_SIZE]; 179 unsigned char rec_seq[TLS_CIPHER_ARIA_GCM_128_REC_SEQ_SIZE]; 180 }; 181 182 struct tls12_crypto_info_aria_gcm_256 { 183 struct tls_crypto_info info; 184 unsigned char iv[TLS_CIPHER_ARIA_GCM_256_IV_SIZE]; 185 unsigned char key[TLS_CIPHER_ARIA_GCM_256_KEY_SIZE]; 186 unsigned char salt[TLS_CIPHER_ARIA_GCM_256_SALT_SIZE]; 187 unsigned char rec_seq[TLS_CIPHER_ARIA_GCM_256_REC_SEQ_SIZE]; 188 }; 189 190 enum { 191 TLS_INFO_UNSPEC, 192 TLS_INFO_VERSION, 193 TLS_INFO_CIPHER, 194 TLS_INFO_TXCONF, 195 TLS_INFO_RXCONF, 196 TLS_INFO_ZC_RO_TX, 197 TLS_INFO_RX_NO_PAD, 198 TLS_INFO_TX_MAX_PAYLOAD_LEN, 199 __TLS_INFO_MAX, 200 }; 201 #define TLS_INFO_MAX (__TLS_INFO_MAX - 1) 202 203 #define TLS_CONF_BASE 1 204 #define TLS_CONF_SW 2 205 #define TLS_CONF_HW 3 206 #define TLS_CONF_HW_RECORD 4 207 208 #endif /* _UAPI_LINUX_TLS_H */ 209