AES Encryption and Decryption Tutorial

What is AES?

AES (Advanced Encryption Standard) is a symmetric block cipher standardized by NIST. It encrypts data in 128-bit blocks and supports 128, 192, or 256-bit keys. AES is widely used in various applications like VPNs, file encryption, messaging, and SSL/TLS.

AES Modes of Operation

See Modes.

Python Demonstration

References

• CTF Wiki