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→Hardware key generator
The algorithm for generating the normal-key from keyX and keyY is as follows, in big-endian 128-bit unsigned wraparound arithmetic:
The algorithm for generating the normal-key from keyX and keyY is as follows, in big-endian 128-bit unsigned wraparound arithmetic:
NormalKey = (((KeyX ROL 2) XOR KeyY) + C) ROL 87
NormalKey = (((KeyX ROL 2) XOR KeyY) + C) ROL 87. "ROL 87" is equivalent to "ROR 41", the latter is closer to the DSi algorithm which used 42.
The secret constant C has not been publicly disclosed.
The secret constant C has not been publicly disclosed.