Introduction

Implementation of cryptographic algorithms in Python & SageMath.

List

Symmetric Ciphers
- Shift Cipher
- Vigenere Cipher
- Affine Cipher
- Stream Cipher
- DES(Data Encryption Standard)
- AES(Advanced Encryption Standarad)
- Modes of AES
  1. ECB(Electronic Code Book mode)
  2. CBC(Cipher Block Chaining mode)
  3. CFB(Cipher Feedback mode)
  4. OFB(Output Feedback mode)
  5. CTR(Counter mode)
  6. GCM(Galois Counter Mode)
Asymmetric Ciphers
- RSA
- Elgamal
- ECC
- NTRUEncrypt
- GGH
Protocols
- Digital Signatures (TODO)
- Hash Functions (TODO)
- MAC(Message Authentication Codes) (TODO)
Attacks & Algorithms
- Index of Coincidence & Chi-squared Statistic
- Shank's Babystep-Giantstep Algorithm
- Pollard's rho Method
- Gram-Schmidt Algorithm
- Babai's Algorithm
- The LLL Lattice Reduction Algorithm

Name		Name	Last commit message	Last commit date
Latest commit History 27 Commits
__pycache__		__pycache__
2014 Understanding Cryptography .pdf		2014 Understanding Cryptography .pdf
AES.py		AES.py
AES_modes.py		AES_modes.py
Affine.py		Affine.py
Arithmetic.py		Arithmetic.py
DES.py		DES.py
ECC.py		ECC.py
ElGamal.py		ElGamal.py
GGH.sage		GGH.sage
Lattice-related algorithm.sage		Lattice-related algorithm.sage
NTRUEncrypt.sage		NTRUEncrypt.sage
Pollard's rho Method.py		Pollard's rho Method.py
README.md		README.md
RSA.py		RSA.py
Shank's Babystep-Giantstep Algorithm.py		Shank's Babystep-Giantstep Algorithm.py
Shift.py		Shift.py
Stream Cipher.py		Stream Cipher.py
Utility.py		Utility.py
VigenereCipher.py		VigenereCipher.py