wolf SSL
MQTT and MQTTS with wolfSSL TSL library
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MQTT is light weight protocol for M2M, IoT. This library was forked from MQTT https://developer.mbed.org/teams/mqtt for adding MQTTS security layer on the protocol. TLS(SSL) layer of the library is based on wolfSSL https://developer.mbed.org/users/wolfSSL/code/wolfSSL/.
"connect" method is extended for TLS.
connect methode
int connect(char* hostname, int port, const char *certName = NULL, int timeout=1000)
The 3rd argument certName can be following values.
- NULL: connecting with MQTT
- pointer to certificate file: connecting with MQTTS. PEM or DER for server verification.
- pointer to NULL string: connecting with MQTTS without server verification. This option is for prototyping only, not recommended in security perspective.