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bkerler
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Description

Oppo Firmware .ozip decrypter

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oppodecryptozip

Oppo/Oneplus .ozip Firmware decrypter

Tested with CPH1707EX, CPH1611EX OTA Zip and Python >= 3.6

  • ozipdecrypt.py : Decrypt Oppo .ozip to .zip

Prerequirement:

sudo apt install python3-pip
pip3 install -r requirements.txt

Usage:

  • OTA OZIP decryption:
./ozipdecrypt.py CPH1707EX_OTA_0070_all.ozip

File will be decrypted as *.zip

License:

Share, modify and use as you like, but refer the original author !

Tutorial:

For a tutorial on aes key extraction, head over here.

For extraction of libpatchapply.so or /sbin/recovery, use:

./ofp_libextract.py [your_ofp_file]

If you're getting a recovery.cpio.7z file, extract using 7z to get the /sbin/recovery file.

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