Python-Projekte/sandbox/access.py

import codecs
import sys

# verschoben nach gctools/misc/access_tools.py


def crack_access_mdb(file):
    no_pass_62 = "0C"
    no_pass_42 = "BE68EC3765D79CFAFECD28E62B258A606C077B36CDE1DFB14F671343F73C"

    with open(file, "rb") as f:
        f.seek(66, 0)  # x42 == 66
        myfile_42 = f.read(30)
        f.seek(98)  # x62 == 98
        myfile_62 = f.read(1)

    salt = ord(codecs.decode(no_pass_62, "hex")) ^ ord(myfile_62)

    add_salt = True
    word = ""
    for i in range(0, 52, 4):
        xored = ord(codecs.decode(no_pass_42[i : i + 2], "hex")) ^ myfile_42[i // 2]
        if add_salt:
            xored = xored ^ salt
        word = word + chr(xored)
        add_salt = not add_salt
    print(word)


if __name__ == "__main__":
    file = sys.argv[1]
    crack_access_mdb(file)