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10 Best Cryptography Courses and Certifications Online


Cryptography is the science of securing information and communication through codes and algorithms. In an increasingly digital world, the need for professionals well-versed in cryptography has become critical. If you are interested in delving into this fascinating field or looking to enhance your existing knowledge, there are numerous online courses and certifications available. To simplify your search, we have compiled a list of the 10 best cryptography courses and certifications online.

1. Cryptography I by Stanford University (Coursera)

Stanford University offers an excellent course titled “Cryptography I” on Coursera. Taught by Professor Dan Boneh, this course is a comprehensive introduction to modern cryptography. It covers fundamental concepts such as encryption, hashing, and cryptographic protocols. The course also focuses on the mathematical foundations, ensuring a solid understanding of the subject matter.

2. Cryptanalysis by University of Maryland (edX)

If you are interested in learning about breaking cryptographic schemes, the University of Maryland’s course “Cryptanalysis” on edX is a perfect fit. This course explores various techniques and mathematical tools to analyze and attack cryptographic systems. By understanding the vulnerabilities, you will gain valuable insights into designing robust cryptographic algorithms.

3. Cryptography and Cryptanalysis by University of Colorado (Coursera)

Offered on Coursera, the University of Colorado’s course on “Cryptography and Cryptanalysis” provides a comprehensive overview of both the theory and practical aspects of the subject. It covers essential cryptographic concepts and techniques, including symmetric and asymmetric encryption, digital signatures, and key management. The course also delves into cryptanalysis, teaching you how to break cryptographic schemes.

4. Applied Cryptography by University of Washington (Coursera)

The University of Washington offers a highly regarded course on “Applied Cryptography” through Coursera. This course is designed for professionals who want to gain practical skills in implementing cryptographic algorithms. It covers real-world applications, such as secure communication, digital signatures, and cryptographic protocols. By the end of the course, you will have a deep understanding of cryptography’s practical applications.

5. Cryptography by University of Maryland (Coursera)

The University of Maryland’s course “Cryptography” on Coursera provides an in-depth exploration of cryptographic systems. It covers both classical and modern approaches to encryption, including stream ciphers, block ciphers, and public-key encryption. The course also delves into advanced topics like digital cash, secure multiparty computation, and post-quantum cryptography.

6. Cryptography by University of Colorado (Coursera)

Another excellent course offered by the University of Colorado is “Cryptography” on Coursera. It focuses on the practical aspects of cryptography, offering hands-on labs to reinforce the concepts taught. The course covers symmetric and asymmetric encryption, digital signatures, and applications like secure email and file encryption.

7. Cryptography by Khan Academy

For those seeking a self-paced learning experience, Khan Academy’s Cryptography course is a great option. While not as comprehensive as some of the university-led courses, it provides a solid foundation in encryption techniques, including substitution ciphers, modular arithmetic, and RSA encryption. The course also includes interactive exercises to reinforce your understanding.

8. Cryptography and Network Security by Indian Institute of Technology, Kharagpur (NPTEL)

The Indian Institute of Technology, Kharagpur offers a highly regarded course on “Cryptography and Network Security” through NPTEL. This course covers both the theoretical and practical aspects of cryptography and its relationship to network security. It dives deep into topics like key management, digital signatures, and cryptographic protocols.

9. Mastering Applied Cryptography by Stanford University (Coursera)

For individuals looking for an advanced course in applied cryptography, Stanford University’s “Mastering Applied Cryptography” on Coursera is an excellent choice. This course builds upon the basics and delves into more complex cryptographic protocols and applications. It covers topics like secure multiparty computation, elliptic curve cryptography, and homomorphic encryption.

10. Cryptography by Rochester Institute of Technology (Cybrary)

Rochester Institute of Technology’s “Cryptography” course on Cybrary is a beginner-friendly option for those new to the field. It provides a solid introduction to cryptographic concepts and techniques, including encryption, hashing, and digital signatures. The course is self-paced, allowing you to learn at your own convenience.


Whether you are a beginner or an experienced professional in the field of cryptography, these online courses and certifications are excellent choices to enhance your knowledge and skills. From fundamental concepts to advanced topics like applied cryptography and cryptanalysis, these programs offer a comprehensive learning experience. Invest your time in one or more of these courses, and you will gain the expertise required to navigate the world of cryptography with confidence.