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CRC32 tools: reverse, undo/rewind, and calculate hashes

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theonlypwner/crc32

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CRC32 Tools

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License

This project is licensed under the GPL v3 license.

Usage

Run the command line to see usage instructions:

$ crc32.py -h
usage: crc32.py [-h] action ...

Reverse, undo, and calculate CRC32 checksums

positional arguments:
  action
    poly (p)   print the polynomial, useful for converting between forms
    table (t)  generate a lookup table for a polynomial
    reverse (r)
               find a patch that causes the CRC32 checksum to become a desired value
    undo (u)   rewind a CRC32 checksum
    calc (c)   calculate the CRC32 checksum
    combine    combine CRC32 checksums

options:
  -h, --help   show this help message and exit

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CRC32 tools: reverse, undo/rewind, and calculate hashes

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