Outline ![]()
Files ![]()
loading (2/7)...
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** NetX Secure Component */
/** */
/** Transport Layer Security (TLS) */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SECURE_SOURCE_CODE
#include "nx_secure_tls.h"
#if (NX_SECURE_TLS_TLS_1_3_ENABLED)
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_secure_tls_send_encrypted_extensions PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Timothy Stapko, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function sends the encrypted extensions delivered after a */
/* ServerHello message in a TLS 1.3 encrypted handshake. */
/* */
/* INPUT */
/* */
/* tls_session TLS control block */
/* packet_buffer Pointer to message data */
/* message_length Length of message data (bytes)*/
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _nx_secure_tls_ciphersuite_lookup Lookup current ciphersuite */
/* */
/* CALLED BY */
/* */
/* _nx_secure_tls_server_handshake Process extensions */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 Timothy Stapko Initial Version 6.0 */
/* 09-30-2020 Timothy Stapko Modified comment(s), update */
/* ciphersuite lookup method. */
/* resulting in version 6.1 */
/* */
/**************************************************************************/
UINT _nx_secure_tls_send_encrypted_extensions(NX_SECURE_TLS_SESSION *tls_session, NX_PACKET *send_packet)
{
UINT status;
status = NX_SUCCESS;
/* Populate encrypted extensions here. */
NX_PARAMETER_NOT_USED(tls_session);
/* Sending 0-length encrypted extensions - still requires the length field (16 bits). */
if (((ULONG)(send_packet -> nx_packet_data_end) - (ULONG)(send_packet -> nx_packet_append_ptr)) < 2u)
{
/* Packet buffer too small. */
return(NX_SECURE_TLS_PACKET_BUFFER_TOO_SMALL);
}
send_packet -> nx_packet_append_ptr[0] = 0x0;
send_packet -> nx_packet_append_ptr[1] = 0x0;
send_packet -> nx_packet_append_ptr = send_packet -> nx_packet_append_ptr + 2;
send_packet -> nx_packet_length = 2;
return(status);
}
#endif
Details ![]()
Show: from Types: Columns: ![]( "Show Project Names")
![]( "Show Locations")
![]( "Show Referring Symbols")
![]( "Show Scope")
This file uses the notable symbols shown below. Click anywhere in the file to view more details.