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Questions tagged [tls]

For questions related to how Transport Layer Security (TLS) can provide privacy and data integrity between IoT applications or devices. Also, practical usages of TLS in current IoT applications can be discussed. Tag should not be used to discuss general TLS topics that apply to computing in general.

3
votes
1answer
42 views

AWS IoT certificate rejection

I've been trying to configure AWS IoT to communicate over MQTT using TLS for days on a D1 Mini board and have been running into a road block with authentication. I've used several AWS IoT Arduino ...
8
votes
1answer
86 views

Can One-way SSL secure an IoT device?

I am considering an IoT device connected to my local network (default settings, no VPN, no NAT, no DMZ) with or without Internet access. My device will run as a HTTP server offering a RPC mechanism ...
4
votes
0answers
82 views

MQTT with TLS for TI CC3200 fails with 'Bad CA file' error

This topic seems to pop up everywhere but, without a conclusion as to how to get MQTT-TLS for CC3200 running. So, here goes one more. Goal Connect TI CC3200 board to AWS IoT broker via TLS. Steps ...
7
votes
1answer
66 views

How would I use HTTPS on the web-based device config running an access point and no internet access?

I'm building a Raspberry Pi-based device for backyard gardeners that has a web page and access point for the initial configuration, including the Wi-Fi configuration. The connection uses WPA2 and the ...
9
votes
4answers
1k views

How can I prevent my device leaking sensitive data through traffic fingerprinting?

According to the recent paper A Smart Home is No Castle: Privacy Vulnerabilities of Encrypted IoT Traffic, many smart home devices can be 'fingerprinted' by their connection patterns. Since most ...
11
votes
3answers
1k views

Performance of MQTT over TLS vs. MQTT

While MQTT is quite versatile it is also not secured on itself. This is by design. According to Stanford-Clark, security was consciously left out of the protocol initially because he and Nipper ...