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      1 /****************************************************************************
      2  ****************************************************************************
      3  ***
      4  ***   This header was automatically generated from a Linux kernel header
      5  ***   of the same name, to make information necessary for userspace to
      6  ***   call into the kernel available to libc.  It contains only constants,
      7  ***   structures, and macros generated from the original header, and thus,
      8  ***   contains no copyrightable information.
      9  ***
     10  ***   To edit the content of this header, modify the corresponding
     11  ***   source file (e.g. under external/kernel-headers/original/) then
     12  ***   run bionic/libc/kernel/tools/update_all.py
     13  ***
     14  ***   Any manual change here will be lost the next time this script will
     15  ***   be run. You've been warned!
     16  ***
     17  ****************************************************************************
     18  ****************************************************************************/
     19 #ifndef _UAPI_LINUX_TLS_H
     20 #define _UAPI_LINUX_TLS_H
     21 #include <linux/types.h>
     22 #define TLS_TX 1
     23 #define TLS_RX 2
     24 #define TLS_VERSION_MINOR(ver) ((ver) & 0xFF)
     25 #define TLS_VERSION_MAJOR(ver) (((ver) >> 8) & 0xFF)
     26 #define TLS_VERSION_NUMBER(id) ((((id ##_VERSION_MAJOR) & 0xFF) << 8) | ((id ##_VERSION_MINOR) & 0xFF))
     27 #define TLS_1_2_VERSION_MAJOR 0x3
     28 #define TLS_1_2_VERSION_MINOR 0x3
     29 #define TLS_1_2_VERSION TLS_VERSION_NUMBER(TLS_1_2)
     30 #define TLS_CIPHER_AES_GCM_128 51
     31 #define TLS_CIPHER_AES_GCM_128_IV_SIZE 8
     32 #define TLS_CIPHER_AES_GCM_128_KEY_SIZE 16
     33 #define TLS_CIPHER_AES_GCM_128_SALT_SIZE 4
     34 #define TLS_CIPHER_AES_GCM_128_TAG_SIZE 16
     35 #define TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE 8
     36 #define TLS_SET_RECORD_TYPE 1
     37 #define TLS_GET_RECORD_TYPE 2
     38 struct tls_crypto_info {
     39   __u16 version;
     40   __u16 cipher_type;
     41 };
     42 struct tls12_crypto_info_aes_gcm_128 {
     43   struct tls_crypto_info info;
     44   unsigned char iv[TLS_CIPHER_AES_GCM_128_IV_SIZE];
     45   unsigned char key[TLS_CIPHER_AES_GCM_128_KEY_SIZE];
     46   unsigned char salt[TLS_CIPHER_AES_GCM_128_SALT_SIZE];
     47   unsigned char rec_seq[TLS_CIPHER_AES_GCM_128_REC_SEQ_SIZE];
     48 };
     49 #endif
     50