netxduo
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Outline
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#define NX_SECURE_SOURCE_CODE
#include "nx_secure_dtls.h"
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_nxe_secure_dtls_session_create(NX_SECURE_DTLS_SESSION *, const NX_SECURE_TLS_CRYPTO *, void *, ULONG, UCHAR *, UINT, UINT, UCHAR *, ULONG)
Files
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SourceVuSTM32 Libraries and Samplesnetxduonx_secure/src/nxe_secure_dtls_session_create.c
 
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/**************************************************************************/ /* */ /* 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 */ /** */ /** Datagram Transport Layer Security (DTLS) */ /** */... /**************************************************************************/ /**************************************************************************/ #define NX_SECURE_SOURCE_CODE /* Include necessary system files. */ #include "nx_secure_dtls.h" /* Bring in externs for caller checking code. */ NX_SECURE_CALLER_CHECKING_EXTERNS ... /**************************************************************************/ /* */ /* FUNCTION RELEASE */ /* */ /* _nxe_secure_dtls_session_create PORTABLE C */ /* 6.1 */ /* AUTHOR */ /* */ /* Timothy Stapko, Microsoft Corporation */ /* */ /* DESCRIPTION */ /* */ /* This function checks for errors in the DTLS session create call. */ /* */ /* INPUT */ /* */ /* session_ptr DTLS session control block */ /* crypto_table Crypto table */ /* metadata_buffer Encryption metadata buffer */ /* metadata_size Encryption metadata size */ /* packet_reassembly_buffer DTLS reassembly buffer */ /* packet_reassembly_buffer_size Size of reassembly buffer */ /* certs_number Number of certs */ /* remote_certificate_buffer Remote certificate buffer */ /* remote_certificate_buffer_size Remote certificate buffer size*/ /* */ /* OUTPUT */ /* */ /* status Completion status */ /* */ /* CALLS */ /* */ /* _nx_secure_dtls_session_create Actual DTLS session create */ /* call */ /* */ /* CALLED BY */ /* */ /* Application Code */ /* */ /* RELEASE HISTORY */ /* */ /* DATE NAME DESCRIPTION */ /* */ /* 05-19-2020 Timothy Stapko Initial Version 6.0 */ /* 09-30-2020 Timothy Stapko Modified comment(s), */ /* resulting in version 6.1 */ /* */... /**************************************************************************/ UINT _nxe_secure_dtls_session_create(NX_SECURE_DTLS_SESSION *session_ptr, const NX_SECURE_TLS_CRYPTO *crypto_table, VOID *metadata_buffer, ULONG metadata_size, UCHAR *packet_reassembly_buffer, UINT packet_reassembly_buffer_size, UINT certs_number, UCHAR *remote_certificate_buffer, ULONG remote_certificate_buffer_size) { #ifdef NX_SECURE_ENABLE_DTLS UINT status; NX_SECURE_DTLS_SESSION *created_dtls_session; ULONG created_count; /* Check pointers. NOTE: Remote certificates number can be zero, so buffer can be NULL! */ if ((session_ptr == NX_NULL) || (crypto_table == NX_NULL) || (metadata_buffer == NX_NULL) || ((packet_reassembly_buffer == NX_NULL) && (packet_reassembly_buffer_size != 0))) { return(NX_PTR_ERROR); }if ((session_ptr == NX_NULL) || (crypto_table == NX_NULL) || (metadata_buffer == NX_NULL) || ((packet_reassembly_buffer == NX_NULL) && (packet_reassembly_buffer_size != 0))) { ... } /* Loop to check for the DTLS session already created. */ created_dtls_session = _nx_secure_dtls_created_ptr; created_count = _nx_secure_dtls_created_count; while (created_count--) { /* Is the new DTLS already created? */ if (session_ptr == created_dtls_session) { /* Duplicate DTLS session created, return an error! */ return(NX_PTR_ERROR); }if (session_ptr == created_dtls_session) { ... } /* Move to next entry. */ created_dtls_session = created_dtls_session -> nx_secure_dtls_created_next; }while (created_count--) { ... } status = _nx_secure_dtls_session_create(session_ptr, crypto_table, metadata_buffer, metadata_size, packet_reassembly_buffer, packet_reassembly_buffer_size, certs_number, remote_certificate_buffer, remote_certificate_buffer_size); /* Return completion status. */ return(status);/* ... */ #else NX_PARAMETER_NOT_USED(session_ptr); NX_PARAMETER_NOT_USED(crypto_table); NX_PARAMETER_NOT_USED(metadata_buffer); NX_PARAMETER_NOT_USED(metadata_size); NX_PARAMETER_NOT_USED(packet_reassembly_buffer); NX_PARAMETER_NOT_USED(packet_reassembly_buffer_size); NX_PARAMETER_NOT_USED(certs_number); NX_PARAMETER_NOT_USED(remote_certificate_buffer); NX_PARAMETER_NOT_USED(remote_certificate_buffer_size); return(NX_NOT_SUPPORTED);/* ... */ #endif /* NX_SECURE_ENABLE_DTLS */ }{ ... }
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