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ENGINEERS AND DEVICES
WORKING TOGETHER
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Bootloader Slot 0 ScratchSlot 1
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ENGINEERS
AND DEVICES
WORKING
TOGETHER
⋮
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
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ENGINEERS AND DEVICES
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BUD17-100: mcuboot: A shared bootloader for Zephyr

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