Cryptography Using Python Course

The Cryptography Using Python Course covers the basic topics of cryptography and explains how various cryptographic algorithms can be implemented using Python. This course is good for students and professionals who want to know about how various cryptographic algorithms work and how they can be implemented using Python.

Section 1: Cryptography Fundamentals

Section 2 : Historical Ciphers

Details of Section 2

Caesar Cipher using Python
Transposition Cipher
Affine Cipher using Python
Vigenere Cipher using Python
Monoalphabetic vs. Polyalphabetic Ciphers (video)

Section 3 : Symmetric Cryptography

Details of Section 3

What is symmetric key cryptography?
What is block cipher? (video)
What is stream cipher? (video)
What are confusion and diffusion in cryptography? (video)
What is the avalanche effect? (video)
What are Substitution-Permutation Networks (SPN)?
What is a Feistel cipher?
DES Algorithm
What is AES? (video)
AES Encryption and Decryption using PyCryptodome module in Python
AES Algorithm
Implementation of the AES algorithm using Python
What is PKCS#7 padding and unpadding?
How to implement PKCS#7 padding and unpadding using Python?
Block Cipher Modes of Operation
Implementing Cipher Block Chaining (CBC) using Python
How to encrypt and decrypt data using Fernet and MultiFernet in Python?
How to encrypt and decrypt files using Python?
How to encrypt and decrypt an image using Python?
How does the RC4 algorithm work?
How to implement the RC4 algorithm using Python?
One Time Pad
True Random Number Generator (TRNG) vs. Pseudo Random Number Generator (PRNG) (video)

Section 4 : Public-key Cryptography

Details of Section 4

What is public-key encryption? (video)
What is RSA? (video)
How to export and import RSA keys using the PyCryptodome module in Python?
How to encrypt and decrypt data in Python using the RSA module of PyCryptodome?
RSA Algorithm
Implementing the RSA Key Generation Algorithm using Python
Implementing the RSA Encryption And Decryption Algorithm using Python
What is blinding in cryptography?
Elgamal Algorithm
Cryptographically Secure Random Number Generation using Python
Large Random Prime Number Generation using Python
What is Perfect Forward Secrecy?
Why does the TLS protocol use symmetric encryption?

Section 5: Cryptography And Data Integrity Algorithms

Details of Section 5

Why don’t we encrypt passwords in database?
Cryptographic Hash Functions (video)
Pre-image Resistance, Second Pre-image Resistance and Collision Resistance in Cryptography (video)
Why do we need salt and pepper while storing hashed values of passwords in database?
How to generate a password hash using Python?
How to hash passwords using bcrypt in Python?
How to generate cryptographic hashes using the hashlib module in Python?
Message Authentication Code (MAC) (video)
What is HMAC? (video)
How to use HMAC in Python?
HMAC Algorithm
How to implement the HMAC algorithm using Python?
What is digital signature?
What is DSA? (video)
How to export and import DSA keys using Python?
How to create and verify DSA signatures using Python?
DSA Algorithm
Implementing the DSA Key Generation Algorithm using Python
How to implement the DSA signature creation and verification algorithm in Python?

Section 6 : Other Public-key Cryptosystem

Details of Section 6

Diffie-Hellman Key Exchange Algorithm
Diffie-Hellman Key Exchange Protocol using the pyDHE Python Library
How to implement the Diffie-Hellman Key Exchange algorithm using Python?
Elliptic Curve Cryptography

Section 7 : Cryptography And Mutual Trust

Details of Section 7

What is digital certificate?
X.509 Certificate (video)
What is Public Key Infrastructure (PKI)?
What is Certificate Revocation List (CRL)? (video)
Certificate Chain
Offline Root Certificate Authority
Certificate Authority (CA) (video)
How is public-key encryption used in authentication? (video)
Kerberos Protocol
Federated Identity Management

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