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lonkeylonkey
authoredJan 25, 2021
Merge pull request #2 from lonkey/release-0.2.1
Release 0.2.1
2 parents b94f665 + 0891afe commit 78691bd

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+67
-29
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‎README.md

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# Simple Cryptographic Functions
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# Simple Cryptographic Algorithms
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Python library for demonstrating the functionality of common cryptographic functions.
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Python library for demonstrating the functionality of common cryptographic algorithms.
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## Requirements
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Python 3.7.9 or later including pip for installing the following dependencies:
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Python 3.7.9 or later including pip for installing the following requirements:
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```shell
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pip install -r requirements.txt
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```
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# Usage
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## Usage
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To use, simply uncomment the corresponding function in `main.py` and adjust the sample values if necessary.
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‎cryptographic_functions/dh_calculations.py

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__author__ = "Lukas Zorn"
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__copyright__ = "Copyright 2021 Lukas Zorn"
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__license__ = " GNU GPLv3"
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__version__ = "0.1.1"
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__license__ = "GNU GPLv3"
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__version__ = "0.2.1"
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__maintainer__ = "Lukas Zorn"
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__status__ = "Development"
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‎cryptographic_functions/elgamal_calculations.py

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__author__ = "Lukas Zorn"
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__copyright__ = "Copyright 2021 Lukas Zorn"
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__license__ = " GNU GPLv3"
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__version__ = "0.1.1"
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__license__ = "GNU GPLv3"
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__version__ = "0.2.1"
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__maintainer__ = "Lukas Zorn"
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__status__ = "Development"
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‎cryptographic_functions/modulo_calculations.py

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__author__ = "Lukas Zorn"
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__copyright__ = "Copyright 2021 Lukas Zorn"
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__license__ = " GNU GPLv3"
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__version__ = "0.1.1"
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__license__ = "GNU GPLv3"
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__version__ = "0.2.1"
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__maintainer__ = "Lukas Zorn"
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__status__ = "Development"
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‎cryptographic_functions/modulo_cyclic_groups.py

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__author__ = "Lukas Zorn"
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__copyright__ = "Copyright 2021 Lukas Zorn"
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__license__ = " GNU GPLv3"
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__version__ = "0.1.1"
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__license__ = "GNU GPLv3"
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__version__ = "0.2.1"
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__maintainer__ = "Lukas Zorn"
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__status__ = "Development"
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‎cryptographic_functions/modulo_inverse_additive.py

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__author__ = "Lukas Zorn"
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__copyright__ = "Copyright 2021 Lukas Zorn"
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__license__ = " GNU GPLv3"
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__version__ = "0.1.1"
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__license__ = "GNU GPLv3"
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__version__ = "0.2.1"
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__maintainer__ = "Lukas Zorn"
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__status__ = "Development"
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‎cryptographic_functions/modulo_inverse_multiplicative.py

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__author__ = "Lukas Zorn"
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__copyright__ = "Copyright 2021 Lukas Zorn"
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__license__ = " GNU GPLv3"
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__version__ = "0.1.1"
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__license__ = "GNU GPLv3"
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__version__ = "0.2.1"
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__maintainer__ = "Lukas Zorn"
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__status__ = "Development"
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‎cryptographic_functions/rsa_calculations.py

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__author__ = "Lukas Zorn"
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__copyright__ = "Copyright 2021 Lukas Zorn"
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__license__ = " GNU GPLv3"
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__version__ = "0.1.1"
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__license__ = "GNU GPLv3"
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__version__ = "0.2.1"
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__maintainer__ = "Lukas Zorn"
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__status__ = "Development"
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@@ -91,7 +91,7 @@ def keypair_generation(p, q, e=None, print_matrix=False, print_linear_factorizat
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def encryption(public_key, p):
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print(tabulate([['RSA Verschlüsselung']], tablefmt='fancy_grid'))
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# Unpack the private key into its components
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# Unpack the public key into its components
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e, n = public_key
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# Choose an integer p such that 0 ≤ p < n
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def decryption(private_key, c):
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print(tabulate([['RSA Entschlüsselung']], tablefmt='fancy_grid'))
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# Unpack the public key into its components
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# Unpack the private key into its components
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d, n = private_key
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# Choose an integer c such that 0 ≤ c < n
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f'p = {c}^{d} mod {n}\n'
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f'p = {p}', end='\n\n')
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return p
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# RSA Brute-force
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def brute_force_by_key(any_key):
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print(tabulate([['RSA Brute-Force Angriff (schlüsselbasiert)']], tablefmt='fancy_grid'))
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# Unpack the key into its components
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a, n = any_key
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# Choose multiple integers x such that 0 ≤ x < n
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x, y, z = random.sample(range(n), 3)
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# Encryption
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x_c = (x ** a) % n
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y_c = (y ** a) % n
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z_c = (z ** a) % n
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# Brute-force
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b = []
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for v in range(n):
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if x != (x_c ** v) % n:
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continue
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if y != (y_c ** v) % n:
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continue
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if z != (z_c ** v) % n:
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continue
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b.append(v)
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# Calculation path output
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if len(b) < 1:
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print(
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f'Das Gegenstück für den Schlüssel K = {{{a}, {n}}} konnte nicht ermittelt werden.', end='\n\n')
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return -1
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print(
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f'Mögliche Gegenstücke für den Schlüssel K = {{{a}, {n}}} mit den Testwerten x = {x}, y = {y} und z = {z} sind:')
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print(tabulate(zip(*(b, [n] * len(b))), headers=['b', 'n'], tablefmt='pretty'), end='\n\n')
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return b[0], n

‎cryptographic_functions/shamir_calculations.py

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__author__ = "Lukas Zorn"
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__copyright__ = "Copyright 2021 Lukas Zorn"
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__license__ = " GNU GPLv3"
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__version__ = "0.1.1"
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__license__ = "GNU GPLv3"
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__version__ = "0.2.1"
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__maintainer__ = "Lukas Zorn"
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__status__ = "Development"
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‎cryptographic_functions/shared_functions.py

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__author__ = "Lukas Zorn"
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__copyright__ = "Copyright 2021 Lukas Zorn"
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__license__ = " GNU GPLv3"
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__version__ = "0.1.1"
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__license__ = "GNU GPLv3"
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__version__ = "0.2.1"
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__maintainer__ = "Lukas Zorn"
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__status__ = "Development"
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‎main.py

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__author__ = "Lukas Zorn"
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__copyright__ = "Copyright 2021 Lukas Zorn"
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__license__ = " GNU GPLv3"
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__version__ = "0.1.1"
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__license__ = "GNU GPLv3"
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__version__ = "0.2.1"
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__maintainer__ = "Lukas Zorn"
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__status__ = "Development"
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# rsa_calculations.keypair_generation(rsa_p, rsa_q, rsa_e, print_matrix, print_linear_factorization)
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# rsa_calculations.encryption(rsa_public_key, rsa_plaintext)
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# rsa_calculations.decryption(rsa_private_key, rsa_ciphertext)
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# rsa_calculations.brute_force_by_key(rsa_public_key)
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###############################
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# Diffie–Hellman initial values
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# dh_calculations.key_exchange(dh_p, dh_g, dh_a, dh_b)
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############################
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# Shamir three-pass protocol
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############################
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###########################################
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# Shamir three-pass protocol initial values
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###########################################
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shamir_p = 23
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shamir_a = 3 # Optional argument
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shamir_a_i = 15

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