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Fir Security
| model | signatures checked | updater(s) protection | announce date | comments |
|---|---|---|---|---|
| 50D |
yes, only first one | xor 512/513 bytes tables | 8/2008 |
see fw_dissect and fir_tool.py. |
| 5Dm2 | no | xor 512/513 bytes tables | 9/2008 | 2007' key |
| 500D/T1i | no | xor 512/513 bytes tables | 3/2009 | 2007' key |
| 7D | yes | xor 512/513 bytes tables | 9/2009 | 2007' keys for signatures and payload encryption |
| 550D/T2i | yes | AES | 2/2010 | new 2010' keys signatures and payload encryption |
| 60D | yes | AES | 8/2010 | 2010' keys |
| 600D/T3i | yes | AES | 2/2011 | 2010' keys |
| 1100D/T3 | yes | AES | 2/2011 | 2010' keys |
| 1D X | 10/2011 | |||
| 5Dm3 | yes | AES | 03/2012 | 2010' keys |
See Firmware_file
