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75 lines
2.5 KiB
Python
75 lines
2.5 KiB
Python
from __future__ import print_function
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import argparse
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import hashlib
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import os
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"""
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MIT License
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Copyright (c) 2017 Chapin Bryce, Preston Miller
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Please share comments and questions at:
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https://github.com/PythonForensics/PythonForensicsCookbook
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or email pyforcookbook@gmail.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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"""
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__authors__ = ["Chapin Bryce", "Preston Miller"]
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__date__ = 20170815
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__description__ = "Script to hash a file's name and contents"
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available_algorithms = {
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"md5": hashlib.md5,
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"sha1": hashlib.sha1,
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"sha256": hashlib.sha256,
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"sha512": hashlib.sha512
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}
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parser = argparse.ArgumentParser(
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description=__description__,
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epilog="Developed by {} on {}".format(", ".join(__authors__), __date__)
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)
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parser.add_argument("FILE_NAME", help="Path of file to hash")
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parser.add_argument("ALGORITHM", help="Hash algorithm to use",
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choices=sorted(available_algorithms.keys()))
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args = parser.parse_args()
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input_file = args.FILE_NAME
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hash_alg = args.ALGORITHM
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file_name = available_algorithms[hash_alg]()
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abs_path = os.path.abspath(input_file)
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file_name.update(abs_path.encode())
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print("The {} of the filename is: {}".format(
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hash_alg, file_name.hexdigest()))
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file_content = available_algorithms[hash_alg]()
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with open(input_file, 'rb') as open_file:
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buff_size = 1024
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buff = open_file.read(buff_size)
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while buff:
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file_content.update(buff)
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buff = open_file.read(buff_size)
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print("The {} of the content is: {}".format(
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hash_alg, file_content.hexdigest()))
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