libcoap 4.3.2rc2

Macros | Functions
coap_dtls_internal.h File Reference

Internal CoAP DTLS support. More...

`#include "coap_internal.h"`

Go to the source code of this file.

## Macros
#define | COAP_DTLS_RETRANSMIT_COAP_TICKS (COAP_DTLS_RETRANSMIT_MS * COAP_TICKS_PER_SECOND / 1000)

## Functions
void * | coap_dtls_new_context (coap_context_t *coap_context)
| Creates a new DTLS context for the given `coap_context`. More...
int | coap_dtls_context_set_spsk (coap_context_t *coap_context, coap_dtls_spsk_t *setup_data)
| Set the DTLS context's default server PSK information. More...
int | coap_dtls_context_set_cpsk (coap_context_t *coap_context, coap_dtls_cpsk_t *setup_data)
| Set the DTLS context's default client PSK information. More...
int | coap_dtls_context_set_pki (coap_context_t *coap_context, const coap_dtls_pki_t *setup_data, const coap_dtls_role_t role)
| Set the DTLS context's default server PKI information. More...
int | coap_dtls_context_set_pki_root_cas (coap_context_t *coap_context, const char *ca_file, const char *ca_dir)
| Set the dtls context's default Root CA information for a client or server. More...
int | coap_dtls_context_check_keys_enabled (coap_context_t *coap_context)
| Check whether one of the coap_dtls_context_set_{psk|pki}() functions have been called. More...
void | coap_dtls_free_context (void *dtls_context)
| Releases the storage allocated for `dtls_context`. More...
void * | coap_dtls_new_client_session (coap_session_t *coap_session)
| Create a new client-side session. More...
void * | coap_dtls_new_server_session (coap_session_t *coap_session)
| Create a new DTLS server-side session. More...
void | coap_dtls_free_session (coap_session_t *coap_session)
| Terminates the DTLS session (may send an ALERT if necessary) then frees the underlying TLS library object containing security parameters for the session. More...
void | coap_dtls_session_update_mtu (coap_session_t *coap_session)
| Notify of a change in the CoAP session's MTU, for example after a PMTU update. More...
ssize_t | coap_dtls_send (coap_session_t *coap_session, const uint8_t *data, size_t data_len)
| Send data to a DTLS peer. More...
int | coap_dtls_is_context_timeout (void)
| Check if timeout is handled per CoAP session or per CoAP context. More...
coap_tick_t | coap_dtls_get_context_timeout (void *dtls_context)
| Do all pending retransmits and get next timeout. More...
coap_tick_t | coap_dtls_get_timeout (coap_session_t *coap_session, coap_tick_t now)
| Get next timeout for this session. More...
int | coap_dtls_handle_timeout (coap_session_t *coap_session)
| Handle a DTLS timeout expiration. More...
int | coap_dtls_receive (coap_session_t *coap_session, const uint8_t *data, size_t data_len)
| Handling incoming data from a DTLS peer. More...
int | coap_dtls_hello (coap_session_t *coap_session, const uint8_t *data, size_t data_len)
| Handling client HELLO messages from a new candiate peer. More...
void | coap_dtls_establish (coap_session_t *session)
| Layer function interface for layer below DTLS connect being established. More...
void | coap_dtls_close (coap_session_t *session)
| Layer function interface for DTLS close for a session. More...
unsigned int | coap_dtls_get_overhead (coap_session_t *coap_session)
| Get DTLS overhead over cleartext PDUs. More...
void * | coap_tls_new_client_session (coap_session_t *coap_session)
| Create a new TLS client-side session. More...
void * | coap_tls_new_server_session (coap_session_t *coap_session)
| Create a TLS new server-side session. More...
void | coap_tls_free_session (coap_session_t *coap_session)
| Terminates the TLS session (may send an ALERT if necessary) then frees the underlying TLS library object containing security parameters for the session. More...
ssize_t | coap_tls_write (coap_session_t *coap_session, const uint8_t *data, size_t data_len)
| Send data to a TLS peer, with implicit flush. More...
ssize_t | coap_tls_read (coap_session_t *coap_session, uint8_t *data, size_t data_len)
| Read some data from a TLS peer. More...
void | coap_tls_establish (coap_session_t *session)
| Layer function interface for layer below TLS accept/connect being established. More...
void | coap_tls_close (coap_session_t *session)
| Layer function interface for TLS close for a session. More...
const coap_bin_const_t * | coap_get_session_client_psk_key (const coap_session_t *coap_session)
| Get the current client's PSK key. More...
const coap_bin_const_t * | coap_get_session_client_psk_identity (const coap_session_t *coap_session)
| Get the current client's PSK identity. More...
const coap_bin_const_t * | coap_get_session_server_psk_key (const coap_session_t *coap_session)
| Get the current server's PSK key. More...
const coap_bin_const_t * | coap_get_session_server_psk_hint (const coap_session_t *coap_session)
| Get the current server's PSK identity hint. More...
void | coap_dtls_startup (void)
| Initialize the underlying (D)TLS Library layer. More...
void | coap_dtls_shutdown (void)
| Close down the underlying (D)TLS Library layer. More...
void * | coap_dtls_get_tls (const coap_session_t *session, coap_tls_library_t *tls_lib)
| Get the actual (D)TLS object for the session. More...

## Detailed Description

Internal CoAP DTLS support.

Definition in file coap_dtls_internal.h.