Cyber security course 2026

Cryptography tool

I share this web tool to try the basic cryptographic tools explained at class.

• hashing
• AES encryption
• AES Decryption

Mini Crypto Tool

SHA-256 Hash AES Encrypt AES Decrypt

Result will appear here...

Homework 1

I used age a cryptographic tool to:

• Installed age using dnf.
• Read age --help usage instructions.
• Created a key using age-keygen.
• Encrypted a txt file using the key.
• Decrypted the txt file using the key.

Homework 2

Explored a web site certificate:

• Site: https://class.academany.org/futures/cybersecurity/2026/curriculum/homework/

• Files inside certificate, pem-cert, pem-chain

Isogeny Based Cryptography

Reads:

• SIKE, an insecure Isogeny implementation broken in 2022 without Quantum-Computer
• SQIsign, the better option to SIKE
• Introduction to IBC by IBM

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Last update: June 25, 2026