University of Colorado Boulder - Basic Cryptography and Programming with Crypto API
- Offered byCoursera
Basic Cryptography and Programming with Crypto API at Coursera Overview
Duration | 9 hours |
Mode of learning | Online |
Difficulty level | Intermediate |
Credential | Certificate |
Basic Cryptography and Programming with Crypto API at Coursera Highlights
- Offered by University of Colorado System
- 50% got a tangible career benefit from this course
- Earn a certificate upon successful completion
- Learn from expert professors of University of Colorado System
Basic Cryptography and Programming with Crypto API at Coursera Course details
- In this MOOC, we will learn the basic concepts and principles of crytography, apply basic cryptoanalysis to decrypt messages encrypted with mono-alphabetic substitution cipher, and discuss the strongest encryption technique of the one-time-pad and related quantum key distribution systems. We will also learn the efficient symmetric key cryptography algorithms for encrypting data, discuss the DES and AES standards, study the criteria for selecting AES standard, present the block cipher operating modes and discuss how they can prevent and detect the block swapping attacks, and examine how to defend against replay attacks. We will learn the Diffie-Hellman Symmetric Key Exchange Protocol to generate a symmetric key for two parties to communicate over insecure channel. We will learn the modular arithmetic and the Euler Totient Theorem to appreciate the RSA Asymmetric Crypto Algorithm, and use OpenSSL utility to realize the basic operations of RSA Crypto Algorithm. Armed with these knowledge, we learn how to use PHP Crypto API to write secure programs for encrypting and decrypting documents and for signing and verify documents. We then apply these techniques to enhance the registration process of a web site which ensures the account created is actually requested by the owner of the email account
Basic Cryptography and Programming with Crypto API at Coursera Curriculum
Week 1: Basic Cryptography
Course Overview
Basic Cryptography
Kerckhoff's Principle
CryptoAnalysis of Monoalphabetic Substitution Cipher
Columnar Transposition Ciphers
One-Time Pad & Quantum Key Distribution
Week 2: Symmetric Key Cryptography
Symmetric Key AlgorithmAdvanced Encryption Standard
AES Expansion/Schedule
AES Selection Criteria
Dealing with Block Swapping and Replay Attacks
Block Cipher Mode of Operation
Week 3: Asymmetric Key Cryptography
Diffie-Hellman Symmetric Key Exchange Protocol
Modular Arithmetic
Euler Totient Theorem
RSA Asymmetric Crypto Algorithm
Understanding RSA with OpenSSL
Week 4: Develop Secure Programs with Crypto API
Use Crypto API to Encrypt and Decrypt
Use Crypto API to Sign and Verify
Mini Capstone: Enhance Registration Web Site Security
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