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/linux-6.12.1/drivers/staging/rtl8712/
Drtl871x_security.c816 u8 andf7[4]; in mix_column() local
835 andf7[0] = in[0] & 0x7f; in mix_column()
836 andf7[1] = in[1] & 0x7f; in mix_column()
837 andf7[2] = in[2] & 0x7f; in mix_column()
838 andf7[3] = in[3] & 0x7f; in mix_column()
840 andf7[i] = andf7[i] << 1; in mix_column()
841 if ((andf7[i - 1] & 0x80) == 0x80) in mix_column()
842 andf7[i] = (andf7[i] | 0x01); in mix_column()
844 andf7[0] = andf7[0] << 1; in mix_column()
845 andf7[0] = andf7[0] & 0xfe; in mix_column()
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