esp-idf/components/asio/Kconfig

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menu "ESP-ASIO"
visible if LWIP_IPV6
config ASIO_SSL_SUPPORT
bool "Enable SSL/TLS support of ASIO"
default n
help
Enable support for basic SSL/TLS features, available for mbedTLS/OpenSSL
as well as wolfSSL TLS library.
choice ASIO_SSL_LIBRARY_CHOICE
prompt "Choose SSL/TLS library for ESP-TLS (See help for more Info)"
default ASIO_USE_ESP_OPENSSL
depends on ASIO_SSL_SUPPORT
help
The ASIO support multiple backend TLS libraries. Currently the mbedTLS with a thin ESP-OpenSSL
port layer (default choice) 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 ASIO_USE_ESP_OPENSSL
bool "esp-openssl"
config ASIO_USE_ESP_WOLFSSL
depends on TLS_STACK_WOLFSSL
bool "wolfSSL (License info in wolfSSL directory README)"
endchoice
config ASIO_SSL_BIO_SIZE
int "Size of BIO object"
default 1024
depends on ASIO_SSL_SUPPORT
help
Size in bytes of SSL-BIO implementation.
Reducing the BIO size saves more RAM, but may slow down input output operations due to
fragmentation.
endmenu