• For Individuals
  • For Businesses
  • For Universities
  • For Governments
Degrees
Log In
Join for Free
  • Browse
  • Cryptography

Cryptography Courses

Cryptography courses can help you learn encryption techniques, hashing algorithms, digital signatures, and secure communication protocols. You can build skills in threat modeling, cryptanalysis, and implementing security measures to protect sensitive data. Many courses introduce tools like OpenSSL, GnuPG, and various programming libraries that facilitate secure coding practices and help you apply cryptographic principles in real-world applications.


More to explore:

Popular Cryptography Courses and Certifications


  • Status: Preview
    Preview
    S

    Stanford University

    Cryptography I

    Skills you'll gain: Cryptography, Data Encryption Standard, Encryption, Key Management, Advanced Encryption Standard (AES), Public Key Cryptography Standards (PKCS), Cybersecurity, Authentications, Data Integrity, Secure Coding, Algorithms, Computational Thinking

    4.8
    Rating, 4.8 out of 5 stars
    ·
    4.5K reviews

    Mixed · Course · 1 - 3 Months

  • Status: Free Trial
    Free Trial
    U

    University of Colorado System

    Applied Cryptography

    Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Public Key Cryptography Standards (PKCS), Brute-force attacks, Key Management, Advanced Encryption Standard (AES), Encryption, Data Integrity, Information Systems Security, Cybersecurity, Authentications, Information Assurance, Data Security, Theoretical Computer Science, Computational Logic, Algorithms

    4.6
    Rating, 4.6 out of 5 stars
    ·
    908 reviews

    Intermediate · Specialization · 3 - 6 Months

  • U

    University of Maryland, College Park

    Cryptography

    Skills you'll gain: Cryptography, Encryption, Key Management, Public Key Cryptography Standards (PKCS), Cybersecurity, Communication Systems, Digital Communications, Authentications, Data Integrity, Algorithms

    4.6
    Rating, 4.6 out of 5 stars
    ·
    1.3K reviews

    Mixed · Course · 1 - 3 Months

  • Status: Free Trial
    Free Trial
    U

    University of Colorado System

    Introduction to Applied Cryptography

    Skills you'll gain: Data Encryption Standard, Public Key Infrastructure, Cryptography, Cybersecurity, Public Key Cryptography Standards (PKCS), Key Management, Advanced Encryption Standard (AES), Encryption, Brute-force attacks, Authentications, Arithmetic, Algorithms, Applied Mathematics, Data Integrity, Probability, Computer Science

    4.6
    Rating, 4.6 out of 5 stars
    ·
    1K reviews

    Beginner · Specialization · 3 - 6 Months

  • Status: Free Trial
    Free Trial
    I

    IBM

    Penetration Testing, Threat Hunting, and Cryptography

    Skills you'll gain: Cyber Threat Hunting, Cyber Threat Intelligence, Threat Modeling, Penetration Testing, Threat Detection, MITRE ATT&CK Framework, Cryptography, Security Testing, Application Security, Encryption, Cybersecurity, Vulnerability Scanning, AI Security, Vulnerability Assessments, Exploitation techniques, Test Planning

    4.6
    Rating, 4.6 out of 5 stars
    ·
    2.5K reviews

    Intermediate · Course · 1 - 3 Months

  • Status: New
    New
    Status: Free Trial
    Free Trial
    E

    EDUCBA

    Python Hacking & Cryptography Mastery

    Skills you'll gain: Cryptography, Encryption, Secure Coding, Brute-force attacks, Cyber Security Assessment, Python Programming, Programming Principles, File I/O, Algorithms, Debugging, Scripting, Data Structures, User Interface (UI), Statistical Programming, UI Components, Application Development, File Management

    4.8
    Rating, 4.8 out of 5 stars
    ·
    8 reviews

    Beginner · Specialization · 1 - 3 Months

What brings you to Coursera today?

  • Status: Free Trial
    Free Trial
    I

    IBM

    Encryption and Cryptography Essentials

    Skills you'll gain: Encryption, Public Key Infrastructure, Cryptography, Data Security, Cryptographic Protocols, Advanced Encryption Standard (AES), Cybersecurity, Network Security, Blockchain, Authentications, Data Integrity, Classification Algorithms

    5
    Rating, 5 out of 5 stars
    ·
    43 reviews

    Intermediate · Course · 1 - 4 Weeks

  • I

    ISC2

    Cryptography

    Skills you'll gain: Cryptography, Key Management, Public Key Infrastructure, Encryption, Cryptographic Protocols, Data Security, Public Key Cryptography Standards (PKCS), Cybersecurity, Advanced Encryption Standard (AES), Authentications, Brute-force attacks, Data Integrity

    4.8
    Rating, 4.8 out of 5 stars
    ·
    91 reviews

    Beginner · Course · 1 - 4 Weeks

  • Status: New
    New
    Status: Free Trial
    Free Trial
    E

    EDUCBA

    Python Cryptography: Build & Explore Classical Ciphers

    Skills you'll gain: Brute-force attacks, Cryptography, Encryption, Python Programming, Scripting, User Interface (UI), Statistical Programming, UI Components, Application Development

    Mixed · Course · 1 - 4 Weeks

  • Status: Preview
    Preview
    U

    University of London

    Introduction to Applied Cryptography

    Skills you'll gain: Cryptography, Application Security, Cybersecurity, Data Security, Encryption, Vulnerability Assessments, Information Systems Security, Cyber Attacks, Key Management, Infrastructure Security, Public Key Infrastructure, Authentications, Mobile Security, Data Integrity, Algorithms

    Build toward a degree

    4.6
    Rating, 4.6 out of 5 stars
    ·
    76 reviews

    Beginner · Course · 1 - 4 Weeks

  • Status: Free Trial
    Free Trial
    U

    University of Colorado System

    Mathematical Foundations for Cryptography

    Skills you'll gain: Cryptography, Arithmetic, Algorithms, Applied Mathematics, Probability, Computer Science

    4.6
    Rating, 4.6 out of 5 stars
    ·
    333 reviews

    Beginner · Course · 1 - 4 Weeks

  • Status: Free Trial
    Free Trial
    U

    University of California San Diego

    Number Theory and Cryptography

    Skills you'll gain: Cryptography, Encryption, Public Key Cryptography Standards (PKCS), Cybersecurity, Arithmetic, Algorithms, Theoretical Computer Science, Computational Thinking, Algebra, Python Programming

    4.5
    Rating, 4.5 out of 5 stars
    ·
    608 reviews

    Beginner · Course · 1 - 4 Weeks

1234…25

In summary, here are 10 of our most popular cryptography courses

  • Cryptography I: Stanford University
  • Applied Cryptography: University of Colorado System
  • Cryptography: University of Maryland, College Park
  • Introduction to Applied Cryptography: University of Colorado System
  • Penetration Testing, Threat Hunting, and Cryptography: IBM
  • Python Hacking & Cryptography Mastery: EDUCBA
  • Encryption and Cryptography Essentials: IBM
  • Cryptography : ISC2
  • Python Cryptography: Build & Explore Classical Ciphers: EDUCBA
  • Introduction to Applied Cryptography: University of London

Skills you can learn in Computer Security And Networks

Cybersecurity (33)
Google (25)
Google Cloud Platform (17)
Internet (17)
Cryptography (16)
Network Security (16)
Linux (12)
Software Testing (12)
Information Security (10)
Application Programming Interfaces (8)
Kubernetes (8)
Web (8)

Frequently Asked Questions about Cryptography

Cryptography is the practice and study of techniques for securing communication and information from adversaries. It involves creating codes and ciphers to protect data, ensuring that only authorized parties can access or modify it. The importance of cryptography cannot be overstated, especially in today's digital age where data breaches and cyber threats are prevalent. By safeguarding sensitive information, cryptography plays a crucial role in maintaining privacy, securing transactions, and establishing trust in various online activities.‎

A career in cryptography can lead to various job opportunities across multiple sectors. Positions such as cryptographic engineer, security analyst, and information security officer are common. Additionally, roles in government agencies, financial institutions, and tech companies often require expertise in cryptography. As organizations increasingly prioritize data security, the demand for professionals skilled in cryptography continues to grow, making it a promising field for those interested in cybersecurity and information protection.‎

To pursue a career in cryptography, several key skills are essential. A strong foundation in mathematics, particularly in areas like number theory and algebra, is crucial. Familiarity with programming languages such as Python or C++ is also important, as many cryptographic algorithms are implemented through code. Understanding computer networks, security protocols, and data structures will further enhance your capabilities in this field. Additionally, analytical thinking and problem-solving skills are vital for developing and assessing cryptographic systems.‎

There are numerous online courses available for those interested in learning about cryptography. Some of the best options include the Cryptography I course, which provides a comprehensive introduction to the subject, and the Applied Cryptography Specialization, which offers a deeper dive into practical applications. Other notable courses include An Introduction to Cryptography and Cyber Security: Applied Cryptography, which cater to various learning needs and levels.‎

Yes. You can start learning cryptography on Coursera for free in two ways:

  1. Preview the first module of many cryptography courses at no cost. This includes video lessons, readings, graded assignments, and Coursera Coach (where available).
  2. Start a 7-day free trial for Specializations or Coursera Plus. This gives you full access to all course content across eligible programs within the timeframe of your trial.

If you want to keep learning, earn a certificate in cryptography, or unlock full course access after the preview or trial, you can upgrade or apply for financial aid.‎

Learning cryptography can be approached through a combination of online courses, textbooks, and practical exercises. Start by enrolling in introductory courses that cover the basics of cryptographic principles and techniques. Supplement your learning with textbooks that provide in-depth explanations and examples. Additionally, engaging in hands-on projects, such as implementing cryptographic algorithms or participating in coding challenges, can reinforce your understanding and application of cryptography in real-world scenarios.‎

Cryptography courses typically cover a range of topics essential for understanding the field. Common subjects include symmetric and asymmetric encryption, hashing functions, digital signatures, and key management. Courses may also explore cryptographic protocols, the mathematical foundations of cryptography, and applications in cybersecurity. By covering these topics, learners gain a comprehensive understanding of how cryptography protects information and supports secure communication.‎

For training and upskilling employees in cryptography, courses like the Cyber Security: Applied Cryptography are particularly beneficial. This course focuses on practical applications of cryptography in cybersecurity, making it ideal for professionals looking to enhance their skills. Additionally, the Applied Cryptography Specialization provides a structured learning path that can be valuable for organizations aiming to strengthen their workforce's cryptographic knowledge.‎

This FAQ content has been made available for informational purposes only. Learners are advised to conduct additional research to ensure that courses and other credentials pursued meet their personal, professional, and financial goals.

Other topics to explore

Arts and Humanities
338 courses
Business
1095 courses
Computer Science
668 courses
Data Science
425 courses
Information Technology
145 courses
Health
471 courses
Math and Logic
70 courses
Personal Development
137 courses
Physical Science and Engineering
413 courses
Social Sciences
401 courses
Language Learning
150 courses

Coursera Footer

Skills

  • Artificial Intelligence (AI)
  • Cybersecurity
  • Data Analytics
  • Digital Marketing
  • English Speaking
  • Generative AI (GenAI)
  • Microsoft Excel
  • Microsoft Power BI
  • Project Management
  • Python

Certificates & Programs

  • Google Cybersecurity Certificate
  • Google Data Analytics Certificate
  • Google IT Support Certificate
  • Google Project Management Certificate
  • Google UX Design Certificate
  • IBM Data Analyst Certificate
  • IBM Data Science Certificate
  • Machine Learning Certificate
  • Microsoft Power BI Data Analyst Certificate
  • UI / UX Design Certificate

Industries & Careers

  • Business
  • Computer Science
  • Data Science
  • Education & Teaching
  • Engineering
  • Finance
  • Healthcare
  • Human Resources (HR)
  • Information Technology (IT)
  • Marketing

Career Resources

  • Career Aptitude Test
  • Examples of Strengths and Weaknesses for Job Interviews
  • High-Income Skills to Learn
  • How Does Cryptocurrency Work?
  • How to Highlight Duplicates in Google Sheets
  • How to Learn Artificial Intelligence
  • Popular Cybersecurity Certifications
  • Preparing for the PMP Certification
  • Signs You Will Get the Job After an Interview
  • What Is Artificial Intelligence?

Coursera

  • About
  • What We Offer
  • Leadership
  • Careers
  • Catalog
  • Coursera Plus
  • Professional Certificates
  • MasterTrack® Certificates
  • Degrees
  • For Enterprise
  • For Government
  • For Campus
  • Become a Partner
  • Social Impact
  • Free Courses
  • Share your Coursera learning story

Community

  • Learners
  • Partners
  • Beta Testers
  • Blog
  • The Coursera Podcast
  • Tech Blog

More

  • Press
  • Investors
  • Terms
  • Privacy
  • Help
  • Accessibility
  • Contact
  • Articles
  • Directory
  • Affiliates
  • Modern Slavery Statement
  • Do Not Sell/Share
Learn Anywhere
Download on the App Store
Get it on Google Play
Logo of Certified B Corporation
© 2025 Coursera Inc. All rights reserved.
  • Coursera Facebook
  • Coursera Linkedin
  • Coursera Twitter
  • Coursera YouTube
  • Coursera Instagram
  • Coursera TikTok