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make firmware upload protocol less secure but lean; boot loader works

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This commit is contained in:
Werner Almesberger
2012-06-18 18:22:56 -03:00
parent fb8e75cd2a
commit 89b10939f9
14 changed files with 149 additions and 224 deletions
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10
PROTOCOL
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@@ -7,14 +7,8 @@ Protocol
1 0 0 Pong (maybe return version string in the future)
2 0 3 Unlock salt A (64 bytes payload)
2 1 3 Unlock salt B
2 2 3 Unlock hash A
2 3 3 Unlock hash B
3 n 0 Unlock ACK
4 0..N-1 N Firmware binary (64 bytes payload)
4 0 N Unlock secret (64 bytes payload)
4 1..N-1 N Firmware binary (64 bytes payload)
4 N N First half of hash
5 n N Firmware ACK