Azure RTOS 6.2.0

Azure RTOS NetX Duo 6.2.0 release contains the following features and changes:

Device Update for IoT Hub agent

Azure Device Update for IoT Hub (a.k.a ADU) is a service that enables you to deploy over-the-air updates (OTA) to your IoT devices. Azure RTOS has included the ADU agent as part of the IoT Middleware.

Improvements of NetX Duo

            nx_utility.c                            Improved the internal logic.

            nx_azure_iot*                           Supported Device Update for IoT Hub.
                                                    Supported mqtt over websocket.
            
            nx_websocket_client.c                   Initial release.

            nx_websocket_client.h                   Initial release.

            nx_web_http_server.c                    Supported random nonce for digest authentication.
                                                    Fixed the issue of processing empty password.

            nx_web_http_server.h                    Supported random nonce for digest authentication.

            nxd_http_server.c                       Fixed the issue of processing empty password.
                                                    Supported random nonce for digest authentication.

            nxd_http_server.h                       Supported random nonce for digest authentication.
            
            nxd_mqtt_client.c                       Supported mqtt over websocket.
                                                    Improved the logic of sending packet.

            nxd_mqtt_client.h                       Supported mqtt over websocket.

            nxd_snmp.c                              Fixed compiler warnings.

            nxd_sntp_client.c                       Fixed the typo of August string.

        Files are modified or added to support HTTP Proxy:
            nx_api.h
            nx_http_proxy_client.h
            nx_http_proxy_client.c
            nx_tcp_socket_block_cleanup.c
            nx_tcp_socket_packet_process.c
            nx_tcp_socket_state_data_check.c
            nx_tcp_socket_state_established.c
            nx_tcp_socket_state_syn_sent.c
            nx_tcp_socket_state_wait.c
            nxd_tcp_client_socket_connect.c

        Files are modified to fix handling of multiple handshake messages:
            nx_secure_tls_1_3_server_handshake.c
            nx_secure_tls_server_handshake.c

        Files are modified to fix TLS 1.3 version negotiation with no extensions in hello message:
            nx_secure_tls_process_clienthello.c
            nx_secure_tls_process_serverhello.c

        Files are modified to fix compilation error:
            nx_secure_tls_send_clienthello_extensions.c
            nx_secure_tls_session_sni_extension_set.c

        Files are modified to fix renegotiation when receiving in non-blocking mode:
            nx_secure_tls.h
            nx_secure_tls_session_receive.c
            nx_secure_tls_session_renegotiate.c
            nx_secure_tls_session_reset.c

        Files are modified or added to support custom key generation:
            nx_secure_tls.h
            nx_secure_generate_client_key_exchange.c
            nx_secure_generate_master_secret.c
            nx_secure_generate_premaster_secret.c
            nx_secure_generate_server_key_exchange.c
            nx_secure_generate_session_keys.c
            nx_secure_process_client_key_exchange.c
            nx_secure_process_server_key_exchange.c
            nx_secure_remote_certificate_verify.c
            nx_secure_session_keys_set.c
            nx_secure_tls_1_3_crypto_init.c
            nx_secure_tls_ecc_generate_keys.c
            nx_secure_tls_find_curve_method.c
            nx_secure_tls_generate_keys.c
            nx_secure_tls_generate_premaster_secret.c
            nx_secure_tls_hash_record.c
            nx_secure_tls_process_certificate_verify.c
            nx_secure_tls_process_client_key_exchange.c
            nx_secure_tls_process_clienthello_extensions.c
            nx_secure_tls_process_server_key_exchange.c
            nx_secure_tls_process_serverhello_extensions.c
            nx_secure_tls_psk_add.c
            nx_secure_tls_remote_certificate_verify.c
            nx_secure_tls_send_certificate_verify.c
            nx_secure_tls_send_client_key_exchange.c
            nx_secure_tls_send_server_key_exchange.c
            nx_secure_tls_session_create_ext.c
            nx_secure_tls_session_keys_set.c
            nx_secure_tls_trusted_certificate_add.c
            nx_secure_tls_verify_mac.c
            nx_secure_trusted_certificate_add.c
            nx_secure_verify_mac.c

        Files are modified or added to add an API that sets a custom packet pool for TLS session:
            nx_secure_tls.h
            nx_secure_tls_api.h
            nx_secure_tls_session_packet_pool_set.c
            nx_secure_tls_session_start.c
            nxe_secure_tls_session_packet_pool_set.c

        File is modified to add macro of EC curve types:
            nx_crypto_const.h

        Other modified file:
            nx_crypto_generic_ciphersuites.c                  Modified comments.
            nx_crypto_aes.c                                   Fixed compiler warnings.