2 votes

How do IoT devices know the checksum of firmware upgrades?

A checksum would indeed verify it's integrity. It would be transferred with the firmware update and the device could ensure integrity based on the checksum. However, this would not stop MITM. For ...
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2 votes
Accepted

How do IoT devices know the checksum of firmware upgrades?

I'm not sure what source of information you had that suggested that only a checksum is used for validating the firmware. Established approaches for software updates (which includes firmware) use ...
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1 vote

How to perform MitM against SSL/TLS when certificate owned?

This could either be decrypted on the fly, or saved so I can decrypt it at a later date, either approach is fine. You're gonna have to go with decrypted on the fly. The certificate + private key is ...
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