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docs: fix typo
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eightfilms committed Jul 2, 2024
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4 changes: 1 addition & 3 deletions src/encryption/symmetric/aes/README.md
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Expand Up @@ -106,9 +106,7 @@ Do a **right** shift i-th row of i positions, for i ranging from 0 to 3, eg. Row
#### InvMixColumns

Each column of bytes is treated as a 4-term polynomial, multiplied modulo x^4 + 1 with the inverse of the fixed polynomial
a(x) = 3x^3 + x^2 + x + 2 found in the [MixColumns] step. The inverse of a(x) is a^-1(x) = 11x^3 + 13x^2 + 9x + 14.

This is multiplication is done using matrix multiplication.
a(x) = 3x^3 + x^2 + x + 2 found in the [MixColumns] step. The inverse of a(x) is a^-1(x) = 11x^3 + 13x^2 + 9x + 14. This multiplication is done using matrix multiplication.

More details can be found [here][mixcolumns].

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