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esp_tls_set_global_ca_store() function
Set the global CA store with the buffer provided in pem format. This function should be called if the application wants to set the global CA store for multiple connections i.e. to add the certificates in the provided buffer to the certificate chain. This function implicitly calls esp_tls_init_global_ca_store() if it has not already been called. The application must call this function before calling esp_tls_conn_new().
Syntax
esp_err_t esp_tls_set_global_ca_store(const unsigned char *cacert_pem_buf,
const unsigned int cacert_pem_bytes);
Implemented in ![]()
esp_tls.c:795
Return value
- ESP_OK if adding certificates was successful. - Other if an error occured or an action must be taken by the calling process.