AES Online Encryption and Decryption Tool

What is AES Encryption

AES (Advanced Encryption Standard) is a widely used symmetric encryption algorithm applied globally. It was chosen by the National Institute of Standards and Technology (NIST) in 2001 to replace the older DES (Data Encryption Standard) as the new encryption standard. AES is a block cipher technology, capable of dividing data into fixed-size blocks (usually 128 bits) and encrypting them using multiple rounds with a key.

The main advantages of AES encryption are its security and efficiency. It supports three key lengths: 128, 192, and 256 bits, with 256-bit AES encryption offering a very high level of security, sufficient to withstand various attacks, including those involving quantum computing. Thanks to its optimized algorithm structure, AES can efficiently run on various hardware and software platforms, providing outstanding encryption performance from personal computers to large servers.

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