Questions tagged [qnx]
The qnx tag has no usage guidance.
9
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2
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Unknown archive format from QNX operating system
We are reverse engineering a QNX system and we have found a small file that is uploaded to the system. It appears to be either a file system image or an uncompressed archive of some sort. We can't ...
- 253
1
vote
1
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639
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Defeat RSA hash verification - QNX working example
I really liked the answer in this post:
Defeat rsa hash verification
However I do not really understand this part:
"taking the signature s raised to the power of 3 modulus n we wind up with the ...
- 11
7
votes
1
answer
482
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How can I determine if NAND blocks are good blocks?
I'm trying to rescue some data from our hardware. On the board I have a pair of Samsung k9f4g08u0d NAND chips. Each chip has been dumped to include every block, including the spare areas. If I invert ...
- 91
2
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1
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359
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create pem from ecc signature bytes
I am researching an QNX ARM based car navigation and it seems this system has a backdoor that enables telnet access without password to the system if a challenge/response succeeds.
When a file ...
- 3,208
7
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3
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Defeat rsa hash verification
I am analysing an embedded system running QNX on armle, uname -a identifies it as:
QNX mmx 6.5.0 2012/06/20-13:49:13EDT nVidia_Tegra2(T20)_Devlite_Boards armle
Firmware updates come with a file ...
- 3,208
1
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2
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run netcat on qnx (armle)
I am researching an embedded device which runs QNX. I can login via telnet as a user but don't have the root password (in parallel I am running oclHashCat with the hash from the shadow file but it ...
- 3,208
2
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0
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2k
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USB not showing up on QNX in Qemu
I have spent some time reverse engineering a QNX 6.5.0 based system. I am pretty new to the Linux (Ubuntu) world and definitely new to QNX, Qemu, and embedded systems.
Since the hardware is fairly ...
- 21
3
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1
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807
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What image format is ANIM1
I am investigating car navigation software which runs on QNX and want to replace the startup animation with my own. I have found the files in the firmware which have the extension .canim which likely ...
- 3,208
2
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1
answer
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Unpack QNX .img files
I am currently investigating firmware of an embedded system (car navigation) and have identified the OS as QNX.
The firmware has .ifs files which I was able to extract/unpack using QNX dumpifs tool ...
- 3,208