|FIRload - the Canon DSLR firmware structure viewer.
Main features of FIRload:
| ||View Canon .fir headers|
| ||Dissect firmware file|
| ||Cipher/decipher updaters (XOR only)|
|Feature request / Bug report|
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The fir file information found in chdk forums and reverse engineered by Arm.Indy
The XOR decipher algorythm found in dissect_fw