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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 */
/** */
/** Transport Layer Security (TLS) */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SECURE_SOURCE_CODE
#include "nx_secure_tls.h"
#ifdef NX_SECURE_KEY_CLEAR
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nx_secure_tls_packet_release PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Timothy Stapko, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function releases packet with all data in the packet cleared. */
/* */
/* INPUT */
/* */
/* packet_ptr NX_PACKET to release */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* nx_packet_release Release packet */
/* */
/* CALLED BY */
/* */
/* nx_secure_dtls_client_handshake.c */
/* nx_secure_dtls_process_record.c */
/* nx_secure_dtls_receive_callback.c */
/* nx_secure_dtls_retransmit_queue_flush.c */
/* nx_secure_dtls_send_handshake_record.c */
/* nx_secure_dtls_send_record.c */
/* nx_secure_dtls_session_end.c */
/* nx_secure_dtls_session_receive.c */
/* nx_secure_dtls_session_reset.c */
/* nx_secure_dtls_session_start.c */
/* nx_secure_tls_1_3_client_handshake.c */
/* nx_secure_tls_1_3_server_handshake.c */
/* nx_secure_tls_client_handshake.c */
/* nx_secure_tls_handshake_process.c */
/* nx_secure_tls_packet_release.c */
/* nx_secure_tls_process_record.c */
/* nx_secure_tls_record_payload_decrypt.c */
/* nx_secure_tls_send_handshake_record.c */
/* nx_secure_tls_server_handshake.c */
/* nx_secure_tls_session_end.c */
/* nx_secure_tls_session_receive_records.c */
/* nx_secure_tls_session_renegotiate.c */
/* nx_secure_tls_session_start.c */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 Timothy Stapko Initial Version 6.1 */
/* */
/**************************************************************************/
UINT _nx_secure_tls_packet_release(NX_PACKET *packet_ptr)
{
NX_PACKET *current_packet;
/* Clear all data in chained packet. */
current_packet = packet_ptr;
while (current_packet)
{
NX_SECURE_MEMSET(current_packet -> nx_packet_data_start, 0,
(ULONG)current_packet -> nx_packet_data_end -
(ULONG)current_packet -> nx_packet_data_start);
current_packet = current_packet -> nx_packet_next;
}
return(nx_packet_release(packet_ptr));
}
#endif /* NX_SECURE_KEY_CLEAR */
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