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Compiling and encoding CHDK to fi2 for A720

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Compiling and encoding CHDK to fi2 for A720
« on: 28 / March / 2010, 04:01:02 »
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Hello, this is my first post here.

I want to contribute to CHDK, but I need the keys needed to encode a .FI2 file so that I can install CHDK that I compile myself. I have an A720IS and a dump for the 1.00c firmware.

I've read the thread here: " http://chdk.setepontos.com/index.php/topic,2995.0.html " but I'm having trouble understanding it.

If someone could point out the start addresses or file offsets for the "key" and "iv" in the a720 firmware, it would be really helpful.

Thanks,
Andreas

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Offline zeno

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Re: Compiling and encoding CHDK to fi2 for A720
« Reply #1 on: 28 / March / 2010, 06:00:14 »
Andreas - the A720 1.00c is already a supported camera. The necessary source files to build it are all available at https://tools.assembla.com/chdk/browser/trunk - you don't need any keys (just a working gcc).
A570, S100, Ixus 127
Author of ASSIST, STICK, WASP, ACID, SDMInst, LICKS, WICKS, MacBoot, UBDB, CFGEdit

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Offline reyalp

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Re: Compiling and encoding CHDK to fi2 for A720
« Reply #2 on: 28 / March / 2010, 17:18:11 »
It's a dryos cam, so you need the D3 keys if you want to build an FI2. If you only want diskboot, then you don't need them.
Don't forget what the H stands for.

Re: Compiling and encoding CHDK to fi2 for A720
« Reply #3 on: 29 / March / 2010, 02:37:25 »
Thanks for the suggestions guys.
One of the core devs sent a PM, so now the problem is solved!  :)


Re: Compiling and encoding CHDK to fi2 for sx110IS
« Reply #4 on: 20 / February / 2011, 19:33:24 »
any chance someone PM me the keys please  for the sx110IS so I can recompile fI2 myself.

thanks in advance

Danny Raymond

 

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