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Bitwise Calculator
Perform XOR, AND, OR, and NOT operations on hexadecimal data blocks
⚙️ Configuration
🧮 Hexadecimal Inputs
Shorter blocks are automatically left-padded with zeros to match the longer block.
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📖 About This Tool
What is the Bitwise Calculator?
The Bitwise Calculator performs XOR, AND, OR, and NOT operations on arbitrary-length hexadecimal data blocks. These operations are fundamental to cryptographic key management, PIN block calculations, and ISO 8583 bitmap processing.
🛠️ How to Use
- Enter the first hexadecimal operand.
- Enter the second hexadecimal operand.
- Select the operation (XOR, AND, OR, or NOT).
- Click Calculate to see the result.
❓ FAQ
Why is XOR important in payments?
XOR is the foundational operation in PIN block generation (ISO 9564), key component combining, DUKPT key derivation, and MAC calculation. Understanding XOR is essential for payment security engineering.