121 lines
4.2 KiB
Python
121 lines
4.2 KiB
Python
"""! @brief Defines the encryption class."""
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##
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# @file Vermasseln.py
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#
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# @brief Defines the Vermasseln class.
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#
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# @section description_vermasseln Description
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# Defines the base class for the program encryption mechansim.
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# - Vermasseln (base class)
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#
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# @section libraries_configloader Libraries/Modules
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# - <a href="https://docs.python.org/3/library/platform.html">platform</a> Python standard library
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# - Access to underlying platform’s identifying data.
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# - <a href="https://docs.python.org/3/library/base64.html">base64</a> Python standard library
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# - Provides functions for encoding binary data to printable ASCII characters and decoding such encodings back to binary data.
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# - <a href="https://docs.python.org/3/library/random.html">random</a> Python module
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# - Implements pseudo-random number generators for various distributions.
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# - <a href="https://docs.python.org/3/library/string.html">string</a> Python standard library
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# - Common string operations.
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# - <a href="https://pycryptodome.readthedocs.io/en/latest/src/api.html">Crypto</a> Python package
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# - Provides cryptographic functionalities.
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#
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# @section notes_vermasseln Notes
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# - None.
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#
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# @section todo_vermasseln TODO
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# - None.
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#
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# @section author_vermasseln Author(s)
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# - Created by Linuxero on 03/14/2025.
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# - Modified by Linuxero on 03/14/2025.
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#
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# Copyright (c) 2025 Schnaxero. All rights reserved.
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from Crypto.Cipher import AES
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from base64 import b64encode, b64decode
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import platform
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import bcrypt
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from Crypto.Hash import SHA256, SHA3_512
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# from Crypto.Protocol.KDF import PBKDF2
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# from Crypto.Random import get_random_bytes
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import random
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import string
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class Vermasseln:
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"""! The Vermasseln class.
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Defines the class utilized by different parts of the program.
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Handles the encryption/decryption of the whole program.
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"""
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def oscarVermasseln(self, data, local= True):
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"""! Encrypts data.
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@param data The data to encrypt.
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@param local Is the encryption local to the host or not?
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@return encrypted data.
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"""
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b_data = data.encode("utf-8")
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cipher = self.__vermasslungsKobold(local)
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ciphertext, tag = cipher.encrypt_and_digest(b_data)
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decoded_data = [b64encode(x).decode("utf-8") for x in (ciphertext, tag)]
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storable_data = ".".join(decoded_data)
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return storable_data
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def entschluesseln(self, data, local = True):
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"""! Decrypts data.
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@param data The data to decrypt.
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@param local Is the encryption local to the host or not?
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@return decrypted data on success, None on failure.
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"""
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try:
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data_list = data.split(".")
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encoded_data = [b64decode(x) for x in data_list]
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cipher = self.__vermasslungsKobold(local)
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decrypted_data = cipher.decrypt_and_verify(encoded_data[0], encoded_data[1])
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decrypted_data = decrypted_data.decode("utf-8")
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except (ValueError, IndexError) as e:
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print(f"Configuration corrupted: {str(e)}")
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decrypted_data = None
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except Exception as e:
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print(str(e))
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decrypted_data = None
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return decrypted_data
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def __vermasslungsKobold(self, local = True):
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"""! Prepares the encryption key.
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@param local Is the encryption local to the host or not?
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@return encryption key.
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"""
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key = platform.processor().encode("utf-8") if local else b"(==daniishtverhaftetwegensexy#)"
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key = key[0:31]
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hash_key = SHA256.new(key)
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hashed = hash_key.digest()
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nonce = platform.machine().encode("utf-8") if local else b"(==Uskarishtverhaftetwegensexy#)"
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cipher = AES.new(hashed, AES.MODE_SIV, nonce = nonce)
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return cipher
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@classmethod
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def userPasswordHash(self, password, salt = None):
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"""! Hashes data.
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@param password The data to hash.
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@param salt The salt to use if available.
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@return hashed data.
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"""
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if not salt:
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salt = "".join(random.choice(string.ascii_letters + string.digits) for i in range (32))
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hash_pw = (salt + password).encode("utf-8")
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h_obj = SHA3_512.new(hash_pw)
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password = salt + "$" + h_obj.hexdigest()
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return password
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