Chapter 2. API Reference
mbedtls_ssl_config conf
TLS/SSL configuration to be shared between mbedtls_ssl_context structures
mbedtls_net_context server_fd
mbedTLS wrapper type for sockets
mbedtls_x509_crt cacert
Container for the X.509 CA certificate
mbedtls_x509_crt *cacert_ptr
Pointer to the cacert being used.
mbedtls_x509_crt clientcert
Container for the X.509 client certificate
mbedtls_pk_context clientkey
Container for the private key of the client certificate
int sockfd
Underlying socket file descriptor.
ssize_t (*read)(struct esp_tls *tls, char *data, size_t datalen)
Callback function for reading data from TLS/SSL connection.
ssize_t (*write)(struct esp_tls *tls, const char *data, size_t datalen)
Callback function for writing data to TLS/SSL connection.
esp_tls_conn_state_t conn_state
ESP-TLS Connection state
fd_set rset
read file descriptors
fd_set wset
write file descriptors
bool is_tls
indicates connection type (TLS or NON-TLS)
esp_tls_role_t role
esp-tls role
• ESP_TLS_CLIENT
• ESP_TLS_SERVER
esp_tls_error_handle_t error_handle
handle to error descriptor
Type Definitions
typedef enum esp_tls_conn_state esp_tls_conn_state_t
ESP-TLS Connection State.
typedef enum esp_tls_role esp_tls_role_t
typedef struct psk_key_hint psk_hint_key_t
ESP-TLS preshared key and hint structure.
typedef struct tls_keep_alive_cfg tls_keep_alive_cfg_t
esp-tls client session ticket ctx
Keep alive parameters structure
typedef struct esp_tls_cfg esp_tls_cfg_t
ESP-TLS configuration parameters.
Note Note about format of certificates:
Espressif Systems 528
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