Lesson 8: Encryption, Hashing and Protecting Data
What if a stolen laptop contained thousands of readable customer records, or an intercepted message could be quietly changed before it arrived? Open Full Article...
cryptography
Secret Codes and Ciphers That Changed History (Teach This Topic)
This home-teaching plan supports the finished lesson on secret communication, from ancient rulers and wartime spies to modern digital encryption. Open Full Article...
Secret Codes and Ciphers That Changed History (Parent Q&A)
This guide supports conversations about why people hide information and how codes, ciphers and encryption work. Open Full Article...
Can Quantum Computers Break the Internet? Secret Messages and Modern Cryptography
Explore how modern cryptography protects online information, how symmetric and public-key encryption work, and why a future fault-tolerant quantum computer could threaten systems such as RSA and elliptic curve cryptography. The article explains plaintext, ciphertext, cryptographic keys, digital signatures, hashing, qubits, superposition, Shor’s algorithm and the limits of current quantum computers. Open Full Article...
Secret Codes and Ciphers That Changed History
Imagine sending a message that only a trusted friend can read. Open Full Article...