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/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR Linux-OpenIB) */

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* This software is available to you under a choice of one of two

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* licenses. You may choose to be licensed under the terms of the GNU

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* General Public License (GPL) Version 2, available from the file

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* COPYING in the main directory of this source tree, or the

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* OpenIB.org BSD license below:

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* Redistribution and use in source and binary forms, with or

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* without modification, are permitted provided that the following

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* conditions are met:

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* - Redistributions of source code must retain the above

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* copyright notice, this list of conditions and the following

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* disclaimer.

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* - Redistributions in binary form must reproduce the above

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* copyright notice, this list of conditions and the following

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* disclaimer in the documentation and/or other materials

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* provided with the distribution.

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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF

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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS

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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

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* SOFTWARE.

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#ifndef _LINUX_TLS_H

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#define _LINUX_TLS_H

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#include <linux/types.h>

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/* TLS socket options */

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#define TLS_TX 1 /* Set transmit parameters */

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#define TLS_RX 2 /* Set receive parameters */

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/* Supported versions */

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#define TLS_VERSION_MINOR(ver) ((ver) & 0xFF)

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#define TLS_VERSION_MAJOR(ver) (((ver) >> 8) & 0xFF)

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#define TLS_VERSION_NUMBER(id) ((((id##_VERSION_MAJOR) & 0xFF) << 8) | \

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((id##_VERSION_MINOR) & 0xFF))

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#define TLS_1_2_VERSION_MAJOR 0x3

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#define TLS_1_2_VERSION_MINOR 0x3

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#define TLS_1_2_VERSION TLS_VERSION_NUMBER(TLS_1_2)

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#define TLS_1_3_VERSION_MAJOR 0x3

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#define TLS_1_3_VERSION_MINOR 0x4

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#define TLS_1_3_VERSION TLS_VERSION_NUMBER(TLS_1_3)

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/* Supported ciphers */

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#define TLS_CIPHER_AES_GCM_128 51

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#define TLS_CIPHER_AES_GCM_128_IV_SIZE 8

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#define TLS_CIPHER_AES_GCM_128_KEY_SIZE 16

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#define TLS_CIPHER_AES_GCM_128_SALT_SIZE 4

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#define TLS_CIPHER_AES_GCM_128_TAG_SIZE 16

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#define TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE 8

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#define TLS_CIPHER_AES_GCM_256 52

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#define TLS_CIPHER_AES_GCM_256_IV_SIZE 8

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#define TLS_CIPHER_AES_GCM_256_KEY_SIZE 32

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#define TLS_CIPHER_AES_GCM_256_SALT_SIZE 4

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#define TLS_CIPHER_AES_GCM_256_TAG_SIZE 16

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#define TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE 8

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#define TLS_CIPHER_AES_CCM_128 53

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#define TLS_CIPHER_AES_CCM_128_IV_SIZE 8

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#define TLS_CIPHER_AES_CCM_128_KEY_SIZE 16

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#define TLS_CIPHER_AES_CCM_128_SALT_SIZE 4

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#define TLS_CIPHER_AES_CCM_128_TAG_SIZE 16

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#define TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE 8

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#define TLS_SET_RECORD_TYPE 1

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#define TLS_GET_RECORD_TYPE 2

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struct tls_crypto_info {

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__u16 version;

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__u16 cipher_type;

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};

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struct tls12_crypto_info_aes_gcm_128 {

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struct tls_crypto_info info;

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unsigned char iv[TLS_CIPHER_AES_GCM_128_IV_SIZE];

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unsigned char key[TLS_CIPHER_AES_GCM_128_KEY_SIZE];

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unsigned char salt[TLS_CIPHER_AES_GCM_128_SALT_SIZE];

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unsigned char rec_seq[TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE];

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};

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struct tls12_crypto_info_aes_gcm_256 {

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struct tls_crypto_info info;

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unsigned char iv[TLS_CIPHER_AES_GCM_256_IV_SIZE];

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unsigned char key[TLS_CIPHER_AES_GCM_256_KEY_SIZE];

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unsigned char salt[TLS_CIPHER_AES_GCM_256_SALT_SIZE];

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unsigned char rec_seq[TLS_CIPHER_AES_GCM_256_REC_SEQ_SIZE];

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};

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struct tls12_crypto_info_aes_ccm_128 {

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struct tls_crypto_info info;

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unsigned char iv[TLS_CIPHER_AES_CCM_128_IV_SIZE];

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unsigned char key[TLS_CIPHER_AES_CCM_128_KEY_SIZE];

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unsigned char salt[TLS_CIPHER_AES_CCM_128_SALT_SIZE];

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unsigned char rec_seq[TLS_CIPHER_AES_CCM_128_REC_SEQ_SIZE];

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};

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enum {

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TLS_INFO_UNSPEC,

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TLS_INFO_VERSION,

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TLS_INFO_CIPHER,

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TLS_INFO_TXCONF,

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TLS_INFO_RXCONF,

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__TLS_INFO_MAX,

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};

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#define TLS_INFO_MAX (__TLS_INFO_MAX - 1)

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#define TLS_CONF_BASE 1

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#define TLS_CONF_SW 2

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#define TLS_CONF_HW 3

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#define TLS_CONF_HW_RECORD 4

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#endif /* _LINUX_TLS_H */

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