AES Encryption/Decryption

Advanced Encryption Standard (AES) is a symmetric encryption algorithm supporting 128, 192, 256-bit key lengths with multiple encryption modes.

Operation

Select encryption or decryption operation

Plain Text

Enter text to encrypt

Secret Key

Generate or input AES encryption key

Encryption Parameters

Set encryption mode and output format

Encryption Result

CBC mode - Cipher Block Chaining mode, requires IV

No encryption result yet

AES Information

AES-256 CBC

CBC is the most commonly used block cipher mode with good security

Block Size
128 bits
Key Length
256 bits

Security Tips

  • Use AES-256 for maximum security
  • Always use unique IVs for each encryption
  • Store keys securely and never expose them
  • Use GCM mode for authenticated encryption

tools.aes-crypto.usageInstructions

  • Select encryption or decryption mode, enter corresponding text content
  • Set key length (128/192/256-bit) and encryption mode
  • Can manually set or auto-generate IV/Nonce and other parameters
  • GCM mode provides authentication to ensure data integrity

Operation History

Recent AES operations

No operation history