1 /**************************************************************************/
2 /*                                                                        */
3 /*       Copyright (c) Microsoft Corporation. All rights reserved.        */
4 /*                                                                        */
5 /*       This software is licensed under the Microsoft Software License   */
6 /*       Terms for Microsoft Azure RTOS. Full text of the license can be  */
7 /*       found in the LICENSE file at https://aka.ms/AzureRTOS_EULA       */
8 /*       and in the root directory of this software.                      */
9 /*                                                                        */
10 /**************************************************************************/
11 
12 
13 /**************************************************************************/
14 /**************************************************************************/
15 /**                                                                       */
16 /** NetX Secure Component                                                 */
17 /**                                                                       */
18 /**    Datagram Transport Layer Security (DTLS)                           */
19 /**                                                                       */
20 /**************************************************************************/
21 /**************************************************************************/
22 
23 #define NX_SECURE_SOURCE_CODE
24 
25 #include "nx_secure_dtls.h"
26 
27 /**************************************************************************/
28 /*                                                                        */
29 /*  FUNCTION                                               RELEASE        */
30 /*                                                                        */
31 /*    _nxe_secure_dtls_server_ecc_initialize              PORTABLE C      */
32 /*                                                           6.1          */
33 /*  AUTHOR                                                                */
34 /*                                                                        */
35 /*    Timothy Stapko, Microsoft Corporation                               */
36 /*                                                                        */
37 /*  DESCRIPTION                                                           */
38 /*                                                                        */
39 /*    This function checks for errors when initializing ECC for DTLS      */
40 /*    server instance.                                                    */
41 /*                                                                        */
42 /*  INPUT                                                                 */
43 /*                                                                        */
44 /*    server_ptr                            DTLS server control block     */
45 /*    supported_groups                      List of supported groups      */
46 /*    supported_group_count                 Number of supported groups    */
47 /*    curves                                List of curve methods         */
48 /*                                                                        */
49 /*  OUTPUT                                                                */
50 /*                                                                        */
51 /*    status                                Completion status             */
52 /*                                                                        */
53 /*  CALLS                                                                 */
54 /*                                                                        */
55 /*    _nx_secure_dtls_server_ecc_initialize Actual function call          */
56 /*                                                                        */
57 /*  CALLED BY                                                             */
58 /*                                                                        */
59 /*    Application Code                                                    */
60 /*                                                                        */
61 /*  RELEASE HISTORY                                                       */
62 /*                                                                        */
63 /*    DATE              NAME                      DESCRIPTION             */
64 /*                                                                        */
65 /*  05-19-2020     Timothy Stapko           Initial Version 6.0           */
66 /*  09-30-2020     Timothy Stapko           Modified comment(s),          */
67 /*                                            resulting in version 6.1    */
68 /*                                                                        */
69 /**************************************************************************/
_nxe_secure_dtls_server_ecc_initialize(NX_SECURE_DTLS_SERVER * server_ptr,const USHORT * supported_groups,USHORT supported_group_count,const NX_CRYPTO_METHOD ** curves)70 UINT _nxe_secure_dtls_server_ecc_initialize(NX_SECURE_DTLS_SERVER *server_ptr,
71                                             const USHORT *supported_groups, USHORT supported_group_count,
72                                             const NX_CRYPTO_METHOD **curves)
73 {
74 #if defined(NX_SECURE_ENABLE_DTLS) && defined(NX_SECURE_ENABLE_ECC_CIPHERSUITE)
75 UINT status;
76 
77     /* Check pointers. */
78     if (server_ptr == NX_NULL)
79     {
80         return(NX_PTR_ERROR);
81     }
82 
83     if (supported_group_count > 0 &&
84         (supported_groups == NX_NULL || curves == NX_NULL))
85     {
86         return(NX_PTR_ERROR);
87     }
88 
89     /* Call actual function. */
90     status = _nx_secure_dtls_server_ecc_initialize(server_ptr, supported_groups, supported_group_count, curves);
91 
92     return(status);
93 #else
94     NX_PARAMETER_NOT_USED(server_ptr);
95     NX_PARAMETER_NOT_USED(supported_groups);
96     NX_PARAMETER_NOT_USED(supported_group_count);
97     NX_PARAMETER_NOT_USED(curves);
98 
99     return(NX_NOT_SUPPORTED);
100 #endif /* NX_SECURE_ENABLE_DTLS && NX_SECURE_ENABLE_ECC_CIPHERSUITE */
101 }
102 
103