Advertisements I created this callback function to log the secret key void SSL_CTX_keylog_cb_func_cb(const SSL *ssl, const char *line){ FILE * fp; fp = fopen("key_log.log", "w"); if (fp == NULL) { printf("Failed to create log file\n"); } fprintf(fp, "%s\n", line); fclose(fp); } in key_log.log I only get this CLIENT_TRAFFIC_SECRET_0 af391f5fa21ca10ac61262e4<REDACTED>4 trying to use this log file… Read More How to properly log traffic keys in openssl using SSL_CTX_set_keylog_callback?