This intermediate learning path is for people who want to build their understanding of cryptography, encryption and key concepts through video explanations and independent practice.
About this course
Learn cryptography, encryption and key concepts with free video lessons from Simplilearn. Cryptography fundamentals, symmetric encryption and explanations of AES, DES and related methods. Study at your own pace in the WikiFree classroom.
Course at a glance
| Provider | Simplilearn |
|---|---|
| Platform | YouTube · Simplilearn |
| Access | Free Video |
| Level | Intermediate · WikiFree audience assessment |
| Language | English |
| Selected lessons | 17 |
| Video duration | 6h 52m · additional practice time is recommended |
| Format | Self-paced video learning |
| Details checked | 11 October 2026 |
What you’ll learn
- Explore cryptography fundamentals, symmetric encryption and explanations of AES, DES and related methods.
- Follow the selected explanations of Symmetric Encryption, AES & DES and Key Concepts.
- Connect concepts to lessons such as AES – Advanced Encryption Standard Algorithm In Cryptography — AES Explained.
- Practise independently: Compare symmetric and asymmetric encryption and identify where key management matters.
Skills you’ll gain
- Symmetric Encryption
- AES & DES
- Key Concepts
Course Overview
Cryptography fundamentals, symmetric encryption and explanations of AES, DES and related methods. The classroom brings together 17 selected learning videos from Simplilearn’s public YouTube course playlist. You can follow the sequence or use the lesson search to revisit a particular subject.
The selected curriculum includes the following lesson examples:
- Encryption Explained Simply — What Is Encryption? — Cryptography And Network Security
- AES – Advanced Encryption Standard Algorithm In Cryptography — AES Explained
- RSA Encryption Algorithm — Rivest–Shamir–Adleman — RSA Algorithm Explained
- SHA 256 — SHA 256 Algorithm Explanation — How SHA 256 Algorithm Works — Cryptography
- SSL Handshake Explained — What Is SSL/TLS Handshake? — SSL/TLS Handshake Protocol
Each course retains its relevant lessons, including videos also used in another course. Numbered series follow their original lesson or part order. Only reviewed advertisements, unrelated items and identical repeated playlist entries are excluded. Source recordings may have been made at different times.
Who is this for?
This intermediate learning path is for people who want to build their understanding of cryptography, encryption and key concepts through video explanations and independent practice.
Basic computing and algebra help; historical algorithms are studied as concepts, not recommendations for new systems.
Put the lessons into practice
Compare symmetric and asymmetric encryption and identify where key management matters.
This is an optional WikiFree practice suggestion, not a graded assignment supplied by Simplilearn. Pause the videos when a concept is unfamiliar, keep notes and repeat a small example before moving on.
Certificate / Assessment
The public YouTube lessons are free to watch. This listing does not include a Simplilearn certificate, an accredited qualification, a provider-marked examination or instructor feedback. Separate Simplilearn programs can have their own enrollment and certificate requirements.
Mark complete is a personal progress tracker. It does not assess your answers or verify that you have mastered the lesson.
Related courses for your next step
- Compare another approachFree IT Security Course: Networks and Access Control
Focus: Distinguish authentication, authorization, and accounting · Understand introductory cryptography and hashing concepts
Intermediate - Compare another approachFree Simplilearn Course: Cloud Security, Governance and Key Management
Focus: Data Security · Key Management
Intermediate - Explore a higher-level optionFree MIT Course: Advanced Cryptography and Interactive Proofs
Focus: Lecture 1: Interactive Proofs and the Sum-Check Protocol, Part 1 · Lecture 2: Doubly Efficient Interactive Proofs, Part 2
Professional
Compare course focus, level and study time
| Course | Level | Focus | Study time |
|---|---|---|---|
| This course — Free Simplilearn Course: Cryptography, Encryption and Key Concepts | Intermediate | Symmetric Encryption · AES & DES · Key Concepts | 6h 52m of video; practice time is additional |
| Free IT Security Course: Networks and Access Control | Intermediate | Distinguish authentication, authorization, and accounting · Understand introductory cryptography and hashing concepts · Connect network hardening with layered defensive controls | 5h 18m of video; practice time is additional |
| Free Simplilearn Course: Cloud Security, Governance and Key Management | Intermediate | Data Security · Key Management · Cloud Governance | 1h 0m of video; practice time is additional |
| Free MIT Course: Advanced Cryptography and Interactive Proofs | Professional | Lecture 1: Interactive Proofs and the Sum-Check Protocol, Part 1 · Lecture 2: Doubly Efficient Interactive Proofs, Part 2 · Lecture 5: The Kilian-Micali Protocol, Part 2 | 22h 34m of video; practice time is additional |
Frequently asked questions
Is this Simplilearn course free?
Yes. The selected public YouTube videos can be watched for free. Any software, cloud service, hardware or separate certification mentioned in the videos has its own access conditions.
What should I know before starting?
Basic computing and algebra help; historical algorithms are studied as concepts, not recommendations for new systems.
How long does the course take?
The selected videos total 6h 52m. Your study time can be longer because of notes, repeated examples and independent practice.
Does watching the videos give me a certificate?
No certificate is included with this WikiFree YouTube listing. Watching videos or marking them complete does not earn a Simplilearn qualification.
Can I study on my phone?
Yes. Use the responsive video player and lesson list on a phone, tablet or computer. Programming, software and hardware exercises may be easier on an appropriate computer or device.
Are all demonstrations current?
The playlist includes recordings made at different times. Software interfaces, services and exam requirements can change; check the current official documentation when reproducing a demonstration.
Source: Simplilearn’s official YouTube course playlist.
Provider: Simplilearn. Videos play from the Simplilearn channel on YouTube.
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