Password Cracking & Cryptography Masterclass: Hashcat & JTR

Name: Password Cracking & Cryptography Masterclass: Hashcat & JTR
Rating: 4.4 (30 reviews)

Master Hacking, OSINT & Windows Forensics. Learn John the Ripper,Hashcat Rules, Veracrypt, Linux Security & Cryptography

Role Play

Created byOCSALY Academy | 570.000+ Students

Last updated 1/2026

English

What you'll learn

Master John the Ripper (JTR) across Windows, Linux, and macOS environments.
Harness the power of Hashcat for high-performance, GPU-accelerated password auditing.
Utilize Open Source Intelligence (OSINT) to gather intelligence and build surgical wordlists.
Understand "Password Theory" to predict human behavior and authentication weaknesses.
Create Custom Cracking Rules to bypass complex password requirements.
Deconstruct Binary Communication to understand how ciphers speak to hardware.
Analyze the CPU Data Execution Cycle to see how secret keys are processed in silicon.
Master Cryptographic Arithmetic, including Base-10 fundamentals and data encoding.
Implement Logic of XOR and modular math used in modern encryption algorithms.
Apply Boolean Algebra and Bitwise Logic to solve complex cryptanalysis problems.
Perform Forensic Extraction of Windows SAM, SECURITY, and SYSTEM hives.
Extract and Crack Linux Hashes, including SHA256 and high-security yescrypt.
Navigate Buffer Limits and unsigned addition logic within encryption protocols.
Manage Hardware Rigs efficiently, from CPU cycles to GPU rule generation.
Develop a "Protocol-First" Mindset that transitions you from a tool-user to an engineer.

Course content

8 sections • 24 lectures • 5h 40m total length

Introduction1:56

Binary Communication: The Language of Ciphers4:32
Since all encryption (like AES or RSA) operates on binary data, you must understand how "Plaintext" is converted into 1s and 0s before a cipher can process it.
Setting Up the Cryptanalysis Environment18:16
Preparing a secure "Dev Env" specifically for testing cryptographic algorithms and running password-cracking scripts without system conflicts.
The Data Execution Cycle: How Cpus Process Secret Keys16:13
We look at what happens in memory and the CPU when a computer is running an encryption algorithm, which is the foundation for understanding how "side-channel attacks" can leak secret keys.

Base-10 Fundamentals and Data Encoding6:36
To understand Hexadecimal and Base64 (the languages of crypto), we first master decimal logic to ensure you can calculate offsets and manual cipher shifts correctly.
Unsigned Addition: Managing Buffer Limits in Encryption7:31
Many cryptographic bugs occur because of "Integer Overflow." We show you how binary addition works so you can see how ciphers handle large blocks of data without crashing the buffer.
Decimal Subtraction: Logic of Key Offsets8:39
Unsigned Binary Subtraction: The Logic of XOR and Modular Math4:33
Subtraction is the basis for "Reversing" a shift cipher. We use this to understand the mathematical distance between a ciphertext character and its original plaintext.
Unsigned Binary Subtraction: The Logic of XOR and Modular Math7:02
Cryptography relies heavily on "Modular Arithmetic." This lecture teaches you the binary mechanics needed to understand how ciphers calculate differences in data packets.
Boolean Algebra: Mastering XOR and Bitwise Logic for Encryption1:50
In this lecture, we move from simple math to Digital Logic, the foundation of all cryptographic algorithms. We will explore the primary logic gates used in computing, with a heavy focus on the XOR operation-the "magic" behind the One-Time Pad and modern block ciphers. You will learn how to manipulate bits using Boolean laws, a skill that is mandatory for anyone looking to understand password hashing, stream ciphers, or low-level cryptanalysis.

Requirements

Basic Computer Literacy: If you can navigate folders and install software, you are ready to start.
A Curious Mind: No prior background in math, programming, or hacking is required - everything is explained from zero.
Standard Hardware: A computer (Windows, Linux, or Mac) is all you need to follow along with the laboratory labs.

Description

Most "hackers" know how to copy and paste a command into a terminal. Very few understand the silicon-level logic that allows a password to be cracked. In the Password Cracking & Cryptography Masterclass, we bridge the gap between tool-user and technical architect. This is an elite archive designed for those who want to master John the Ripper (JTR) and Hashcat by understanding the math, the hardware, and the OSINT that powers the modern breach.

The Forensic Intelligence Edge

We begin by moving beyond the tools. In our Introduction to Cryptography and Why this Course is the Best, we establish the "Protocol-First" mindset. You will immediately gain a tactical advantage using Open Source Intelligence and Password Cracking, learning to gather the data needed before a single hash is even processed. You will master John The Ripper fundamentals and learn to build a professional Crackers Environment across Windows, Linux, and Mac OS.

The Mathematics of the Breach

True mastery requires moving into the engine room. You won't just run Hashcat; you will master The Password Theory and the advanced logic of John The Ripper Rules. We go deeper than any other course into Cryptographic Foundations & System Architecture, exploring Binary Communication: The Language of Ciphers. You will learn exactly how hardware handles encryption in The Data Execution Cycle: How CPUs Process Secret Keys.

Low-Level Cryptanalysis

We deconstruct the math that most instructors are afraid to touch. Our deep-dive into Cryptographic Arithmetic & Overflow Analysis covers:

Base-10 Fundamentals and Data Encoding.
Unsigned Addition: Managing Buffer Limits in Encryption.
Decimal Subtraction: The Logic of Key Offsets.
Unsigned Binary Subtraction: The Logic of XOR and Modular Math.
Boolean Algebra: Mastering XOR and Bitwise Logic for Encryption.

Real-World Forensic Execution

The course culminates in high-stakes, practical application. You will perform deep-level Windows Security and Passwords analysis, moving into the forensic extraction of Windows | SAM, Security and System Saves. You will learn the surgical process of Extracting hashes from hives and Cracking Windows with John The Ripper.

Finally, we transition to Linux Ethical Password Cracking. You will gain the skills for Getting Linux Hashes and Understanding Structure, enabling you to perform high-speed audits on SHA256 and yescrypt, veracrypt hashes.

Don't just use the tools. Master the logic. Own the signal. Enroll today.

Who this course is for:

Aspiring Ethical Hackers: Newcomers who want to start their career with the most in-demand technical skills.
System Administrators: Professionals looking to audit their infrastructure and enforce better password policies.
Digital Forensic Analysts: Investigators who need to extract and crack hashes from Windows and Linux system saves.
Cybersecurity Students: Anyone who wants to understand the "Silicon-level" truth behind how encryption actually works.
Red Teamers & Pentesters: Experienced users who want to move beyond basics into advanced JTR and Hashcat rule-writing.
IT Career-Changers: Professionals from any field looking for a technical deep-dive that builds a "God Mode" foundation.

Password Cracking & Cryptography Masterclass: Hashcat & JTR

What you'll learn

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Course content

Introduction to Cryptography and Why this Course is the Best1 lecture • 2min

Using OSINT for Password Cracking2 lectures • 29min

Setting up Crackers Environemnt2 lectures • 45min

Building JTR and Hashcat Rules4 lectures • 1hr 22min

Cryptographic Foundations & System Architecture3 lectures • 39min

Cryptographic Arithmetic & Overflow Analysis6 lectures • 36min

Collecting and Cracking5 lectures • 57min

Linux Ethical Password Cracking2 lectures • 50min

Requirements

Description

Who this course is for: