esp-idf/components/tcp_transport/include/esp_transport_ssl.h

170 lines
6.5 KiB
C

// Copyright 2015-2018 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef _ESP_TRANSPORT_SSL_H_
#define _ESP_TRANSPORT_SSL_H_
#include "esp_transport.h"
#include "esp_tls.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Create new SSL transport, the transport handle must be release esp_transport_destroy callback
*
* @return the allocated esp_transport_handle_t, or NULL if the handle can not be allocated
*/
esp_transport_handle_t esp_transport_ssl_init(void);
/**
* @brief Set SSL certificate data (as PEM format).
* Note that, this function stores the pointer to data, rather than making a copy.
* So this data must remain valid until after the connection is cleaned up
*
* @param t ssl transport
* @param[in] data The pem data
* @param[in] len The length
*/
void esp_transport_ssl_set_cert_data(esp_transport_handle_t t, const char *data, int len);
/**
* @brief Set SSL certificate data (as DER format).
* Note that, this function stores the pointer to data, rather than making a copy.
* So this data must remain valid until after the connection is cleaned up
*
* @param t ssl transport
* @param[in] data The der data
* @param[in] len The length
*/
void esp_transport_ssl_set_cert_data_der(esp_transport_handle_t t, const char *data, int len);
/**
* @brief Enable global CA store for SSL connection
*
* @param t ssl transport
*/
void esp_transport_ssl_enable_global_ca_store(esp_transport_handle_t t);
/**
* @brief Set SSL client certificate data for mutual authentication (as PEM format).
* Note that, this function stores the pointer to data, rather than making a copy.
* So this data must remain valid until after the connection is cleaned up
*
* @param t ssl transport
* @param[in] data The pem data
* @param[in] len The length
*/
void esp_transport_ssl_set_client_cert_data(esp_transport_handle_t t, const char *data, int len);
/**
* @brief Set SSL client certificate data for mutual authentication (as DER format).
* Note that, this function stores the pointer to data, rather than making a copy.
* So this data must remain valid until after the connection is cleaned up
*
* @param t ssl transport
* @param[in] data The der data
* @param[in] len The length
*/
void esp_transport_ssl_set_client_cert_data_der(esp_transport_handle_t t, const char *data, int len);
/**
* @brief Set SSL client key data for mutual authentication (as PEM format).
* Note that, this function stores the pointer to data, rather than making a copy.
* So this data must remain valid until after the connection is cleaned up
*
* @param t ssl transport
* @param[in] data The pem data
* @param[in] len The length
*/
void esp_transport_ssl_set_client_key_data(esp_transport_handle_t t, const char *data, int len);
/**
* @brief Set SSL client key password if the key is password protected. The configured
* password is passed to the underlying TLS stack to decrypt the client key
*
* @param t ssl transport
* @param[in] password Pointer to the password
* @param[in] password_len Password length
*/
void esp_transport_ssl_set_client_key_password(esp_transport_handle_t t, const char *password, int password_len);
/**
* @brief Set SSL client key data for mutual authentication (as DER format).
* Note that, this function stores the pointer to data, rather than making a copy.
* So this data must remain valid until after the connection is cleaned up
*
* @param t ssl transport
* @param[in] data The der data
* @param[in] len The length
*/
void esp_transport_ssl_set_client_key_data_der(esp_transport_handle_t t, const char *data, int len);
/**
* @brief Set the list of supported application protocols to be used with ALPN.
* Note that, this function stores the pointer to data, rather than making a copy.
* So this data must remain valid until after the connection is cleaned up
*
* @param t ssl transport
* @param[in] alpn_porot The list of ALPN protocols, the last entry must be NULL
*/
void esp_transport_ssl_set_alpn_protocol(esp_transport_handle_t t, const char **alpn_protos);
/**
* @brief Skip validation of certificate's common name field
*
* @note Skipping CN validation is not recommended
*
* @param t ssl transport
*/
void esp_transport_ssl_skip_common_name_check(esp_transport_handle_t t);
/**
* @brief Set the ssl context to use secure element (atecc608a) for client(device) private key and certificate
*
* @note Recommended to be used with ESP32-WROOM-32SE (which has inbuilt ATECC608A a.k.a Secure Element)
*
* @param t ssl transport
*/
void esp_transport_ssl_use_secure_element(esp_transport_handle_t t);
/**
* @brief Set PSK key and hint for PSK server/client verification in esp-tls component.
* Important notes:
* - This function stores the pointer to data, rather than making a copy.
* So this data must remain valid until after the connection is cleaned up
* - ESP_TLS_PSK_VERIFICATION config option must be enabled in menuconfig
* - certificate verification takes priority so it must not be configured
* to enable PSK method.
*
* @param t ssl transport
* @param[in] psk_hint_key psk key and hint structure defined in esp_tls.h
*/
void esp_transport_ssl_set_psk_key_hint(esp_transport_handle_t t, const psk_hint_key_t* psk_hint_key);
/**
* @brief Set keep-alive status in current ssl context
*
* @param[in] t ssl transport
* @param[in] keep_alive_cfg The handle for keep-alive configuration
*/
void esp_transport_ssl_set_keep_alive(esp_transport_handle_t t, esp_transport_keep_alive_t *keep_alive_cfg);
#ifdef __cplusplus
}
#endif
#endif /* _ESP_TRANSPORT_SSL_H_ */