Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\crypto\aes.c Create Date:2022-07-28 06:43:53
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:mul_by_x2

Proto:static u32 mul_by_x2(u32 w)

Type:u32

Parameter:

TypeParameterName
u32w
102  x = w & 0x3f3f3f3f
103  y = w & 0x80808080
104  z = w & 0x40404040
107  Return x << 2 ^ (y >> 7) * 0x36 ^ (z >> 6) * 0x1b
Caller
NameDescribe
inv_mix_columns