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AES Calculator
Encrypt and decrypt hexadecimal payload streams
⚙️ Configuration
🔑 Cryptographic Inputs
32 chars (16 bytes) for AES-128, 48 chars (24 bytes) for AES-192, 64 chars (32 bytes) for AES-256.
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📖 About This Tool
What is the AES Calculator?
The AES Calculator is a free online tool for encrypting and decrypting hexadecimal data using the Advanced Encryption Standard (AES). It supports AES-128, AES-192, and AES-256 key sizes with ECB and CBC cipher modes and multiple padding options.
🛠️ How to Use
- Select Encrypt or Decrypt.
- Choose the key size: AES-128, AES-192, or AES-256.
- Select the cipher mode: ECB or CBC.
- Enter your hexadecimal key and data.
- Click Calculate to see the result.
❓ FAQ
What AES key sizes are supported?
AES-128 (32 hex chars), AES-192 (48 hex chars), and AES-256 (64 hex chars) are all supported.
What is AES used for in payments?
AES is increasingly used in payment systems for PIN block encryption (ISO 9564 Format 4), key management (AES-based DUKPT), and MAC generation as a modern replacement for 3DES.