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Decrypting the Config file of a Huawei router “HG630 V2”

followed that post from Wordpress https://hg658c.wordpress.com/2017/12/04/decrypting-configuration-files-from-other-huawei-home-gateway-routers/ Extracted the 4 Hex strings needed. But, looks ...
1
vote
0answers
78 views

Decrypt ibt.sfi linux firmware(Intel Wireless 8265 Linux Bluetooth)

Why I want to decrypt: Intel 8265 Bluetooth is likely a RAMUSB device, which needs system to update firmware. I try to transplant this linux firmware to macOS. Problems I met: The macOS BT firmware ...
1
vote
1answer
166 views

How to identify which iOS kernelcache is installed?

I've an iPhone7 running iOS11.3 (15E216). The ipsw for this build version contains two separate kernelcache files named kernelcache.release.iphone9 and kernelcache.release.iphone10. Neither file is an ...
1
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0answers
117 views

Difficulty decrypting nested PKCS #7 / AES router configuration file

I am trying to decrypt a router configuration backup file that appears to be a combination of a 128-byte header, a PKCS #7 encrypted file, and another OpenSSL salted format encrypted file. I think ...
2
votes
2answers
7k views

Reverse Engineering a Firmware. Someone can help me?

I am currently trying to reverse-engineer a firmware file to learn the topic but I am a little bit stuck. I tried to use binwalk to get more information about the file but this did not produce ...
2
votes
1answer
591 views

How are the iOS kernel cache and root filesystem decrypted?

On the iPhone Wiki there are decryption keys for several, but not all, of the iPhone firmwares (root filesystems and kernelcache files). How were these keys found?
1
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0answers
889 views

Decrypting Firmware File

I am by no means a hardware or software expert. But I've got a bit of a dilemma. I have on my hands an "encrypted" firmware image. I say that with air quotes because I'm not sure if it's encrypted, ...
5
votes
1answer
7k views

Decrypting firmware: Is there a true “format” to it, and how does it differ from decryping other files?

I have firmware for a system and I'm trying to decrypt some of it just for the sake of seeing what it all does; nothing illegal or anything like that, such as reproducing copies of it decrypted and ...
1
vote
1answer
1k views

Firmware encrypted with Openssl [closed]

I managed to copy the Firmware out of a device and tried to extract to content with binwalk but the Signature tells it's encoded with OpenSSL Which are the possible ways to find out which type of ...