Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:lib\crypto\aes.c Create Date:2022-07-28 06:43:54
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:subw

Proto:static u32 subw(u32 in)

Type:u32

Parameter:

TypeParameterName
u32in
165  Return Emit the sbox as volatile const to prevent the compiler from doing* constant folding on sbox references involving fixed indexes.[in & 0xff] ^ Emit the sbox as volatile const to prevent the compiler from doing* constant folding on sbox references involving fixed indexes.[(in >> 8) & 0xff] << 8 ^ Emit the sbox as volatile const to prevent the compiler from doing* constant folding on sbox references involving fixed indexes.[(in >> 16) & 0xff] << 16 ^ Emit the sbox as volatile const to prevent the compiler from doing* constant folding on sbox references involving fixed indexes.[(in >> 24) & 0xff] << 24
Caller
NameDescribe
aes_expandkeyaes_expandkey - Expands the AES key as described in FIPS-197*@ctx: The location where the computed key will be stored.*@in_key: The supplied key.*@key_len: The length of the supplied key.* Returns 0 on success