 Rijndael S-box (source code)

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= Rijndael S-box
{wiki=Rijndael_S-box}

The Rijndael S-box (substitution box) is a fundamental component of the Rijndael encryption algorithm, which is the basis for the Advanced Encryption Standard (AES). The S-box is used to perform byte substitution in the cipher, replacing each byte of the input data with a corresponding byte from a predefined substitution table.

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