Stuck in while "handshake".

Alex1396 · 2023-03-26T23:07:33+09:00

Hello friends! I’m trying set the SSL connection with mbedTLS library with W5500 on STM32F767. I’m using your example and files from github (GitHub - Wiznet/ioLibrary_Driver: ioLibrary_Driver can be used for the application design of WIZnet TCP/IP chips as W5500, W5300, W5200, W5100 W5100S.). And i’m using Hardware RNG else. Socket open is sucess, connection to the server sucess next. While “handshake” i receive last messahe: “in_left: 0, nb_want: 5” and my programm don’t go next. I found out that programn stuck in recv() function in while() operator. recvsize always equal 0, getSn_RX_RSR(sn) function always return 0. What may be the problem? Why don’t work timeout break? Have is it here an implementation? image767×434 16 KB image780×274 7.04 KB My DEBUG messages: Start Calling DHCP_run()… === W5500 NET CONF : DHCP === MAC: EA:11:22:33:44:EA SIP: 192.168.21.6 GAR: 192.168.21.1 SUB: 255.255.255.0 DNS: 192.168.21.1 mbedtls_ctr_drbg_seed Ok! Loading the CA root certificate x509_crt_parse Ok! . Setting up the SSL/TLS structure… mbedtls_ssl_config_defaults Ok! mbedtls_ssl_setup Ok! mbedtls_ssl_set_hostname Ok! Calling DNS_init()… Resolving domain name “fallin.ru”… Result: 188.124.41.188 Socket open ok! Connection to the fallin.ru ok! . Performing the SSL/TLS handshake…=> handshake => flush output flush output write client hello => write handshake message => write record flush output message length: 64, out_left: 64 ssl->f_send() returned 64 (-0xffffffc0) parse server hello => read record => fetch input in_left: 0, nb_want: 5

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