menu "ESP-TLS" choice ESP_TLS_LIBRARY_CHOOSE prompt "Choose SSL/TLS library for ESP-TLS (See help for more Info)" default ESP_TLS_USING_MBEDTLS help The ESP-TLS APIs support multiple backend TLS libraries. Currently mbedTLS and WolfSSL are supported. Different TLS libraries may support different features and have different resource usage. Consult the ESP-TLS documentation in ESP-IDF Programming guide for more details. config ESP_TLS_USING_MBEDTLS bool "mbedTLS" config ESP_TLS_USING_WOLFSSL depends on TLS_STACK_WOLFSSL bool "wolfSSL (License info in wolfSSL directory README)" endchoice config ESP_TLS_USE_SECURE_ELEMENT bool "Use Secure Element (ATECC608A) with ESP-TLS" depends on IDF_TARGET_ESP32 && ESP_TLS_USING_MBEDTLS select ATCA_MBEDTLS_ECDSA select ATCA_MBEDTLS_ECDSA_SIGN select ATCA_MBEDTLS_ECDSA_VERIFY help Enable use of Secure Element for ESP-TLS, this enables internal support for ATECC608A peripheral on ESPWROOM32SE, which can be used for TLS connection. config ESP_TLS_USE_DS_PERIPHERAL bool "Use Digital Signature (DS) Peripheral with ESP-TLS" depends on ESP_TLS_USING_MBEDTLS && SOC_DIG_SIGN_SUPPORTED default y help Enable use of the Digital Signature Peripheral for ESP-TLS.The DS peripheral can only be used when it is appropriately configured for TLS. Consult the ESP-TLS documentation in ESP-IDF Programming Guide for more details. config ESP_TLS_CLIENT_SESSION_TICKETS bool "Enable client session tickets" depends on ESP_TLS_USING_MBEDTLS && MBEDTLS_CLIENT_SSL_SESSION_TICKETS help Enable session ticket support as specified in RFC5077. config ESP_TLS_SERVER bool "Enable ESP-TLS Server" depends on (ESP_TLS_USING_MBEDTLS && MBEDTLS_TLS_SERVER) || ESP_TLS_USING_WOLFSSL help Enable support for creating server side SSL/TLS session, available for mbedTLS as well as wolfSSL TLS library. config ESP_TLS_SERVER_SESSION_TICKETS bool "Enable server session tickets" depends on ESP_TLS_SERVER && ESP_TLS_USING_MBEDTLS && MBEDTLS_SERVER_SSL_SESSION_TICKETS help Enable session ticket support as specified in RFC5077 config ESP_TLS_SERVER_SESSION_TICKET_TIMEOUT int "Server session ticket timeout in seconds" depends on ESP_TLS_SERVER_SESSION_TICKETS default 86400 help Sets the session ticket timeout used in the tls server. config ESP_TLS_SERVER_CERT_SELECT_HOOK bool "Certificate selection hook" depends on ESP_TLS_USING_MBEDTLS && ESP_TLS_SERVER help Ability to configure and use a certificate selection callback during server handshake, to select a certificate to present to the client based on the TLS extensions supplied in the client hello (alpn, sni, etc). config ESP_TLS_SERVER_MIN_AUTH_MODE_OPTIONAL bool "ESP-TLS Server: Set minimum Certificate Verification mode to Optional" depends on ESP_TLS_SERVER && ESP_TLS_USING_MBEDTLS help When this option is enabled, the peer (here, the client) certificate is checked by the server, however the handshake continues even if verification failed. By default, the peer certificate is not checked and ignored by the server. mbedtls_ssl_get_verify_result() can be called after the handshake is complete to retrieve status of verification. config ESP_TLS_PSK_VERIFICATION bool "Enable PSK verification" select MBEDTLS_PSK_MODES if ESP_TLS_USING_MBEDTLS select MBEDTLS_KEY_EXCHANGE_PSK if ESP_TLS_USING_MBEDTLS select MBEDTLS_KEY_EXCHANGE_DHE_PSK if ESP_TLS_USING_MBEDTLS && MBEDTLS_DHM_C select MBEDTLS_KEY_EXCHANGE_ECDHE_PSK if ESP_TLS_USING_MBEDTLS && MBEDTLS_ECDH_C select MBEDTLS_KEY_EXCHANGE_RSA_PSK if ESP_TLS_USING_MBEDTLS help Enable support for pre shared key ciphers, supported for both mbedTLS as well as wolfSSL TLS library. config ESP_TLS_INSECURE bool "Allow potentially insecure options" help You can enable some potentially insecure options. These options should only be used for testing pusposes. Only enable these options if you are very sure. config ESP_TLS_SKIP_SERVER_CERT_VERIFY bool "Skip server certificate verification by default (WARNING: ONLY FOR TESTING PURPOSE, READ HELP)" depends on ESP_TLS_INSECURE help After enabling this option the esp-tls client will skip the server certificate verification by default. Note that this option will only modify the default behaviour of esp-tls client regarding server cert verification. The default behaviour should only be applicable when no other option regarding the server cert verification is opted in the esp-tls config (e.g. crt_bundle_attach, use_global_ca_store etc.). WARNING : Enabling this option comes with a potential risk of establishing a TLS connection with a server which has a fake identity, provided that the server certificate is not provided either through API or other mechanism like ca_store etc. config ESP_WOLFSSL_SMALL_CERT_VERIFY bool "Enable SMALL_CERT_VERIFY" depends on ESP_TLS_USING_WOLFSSL default y help Enables server verification with Intermediate CA cert, does not authenticate full chain of trust upto the root CA cert (After Enabling this option client only needs to have Intermediate CA certificate of the server to authenticate server, root CA cert is not necessary). config ESP_DEBUG_WOLFSSL bool "Enable debug logs for wolfSSL" depends on ESP_TLS_USING_WOLFSSL help Enable detailed debug prints for wolfSSL SSL library. endmenu