ENGINEERS AND DEVICESWORKING TOGETHER

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ENGINEERS AND DEVICES

WORKING TOGETHER

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ENGINEERS AND DEVICES

WORKING TOGETHER

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ENGINEERS AND DEVICES

WORKING TOGETHER

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ENGINEERS AND DEVICES

WORKING TOGETHER

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ENGINEERS AND DEVICES

WORKING TOGETHER

Bootloader Slot 0 ScratchSlot 1

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ENGINEERS AND DEVICES

WORKING TOGETHER

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Image Header

Application

Image Trailer

● Header contains size, and version information

● TLV has SHA256 hash, and signature (RSA or ECDSA)

● Trailer has “magic” and indicates state of slot (swap needed, in progress, etc).

TLVs

ENGINEERS AND DEVICES

WORKING TOGETHER

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ENGINEERS AND DEVICES

WORKING TOGETHER

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ENGINEERS AND DEVICES

WORKING TOGETHER

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ENGINEERS AND DEVICESWORKING TOGETHER

ENGINEERS AND DEVICESWORKING TOGETHER

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