mirror of
https://github.com/RinCat/RTL88x2BU-Linux-Driver.git
synced 2024-11-14 11:12:51 +00:00
126 lines
4.1 KiB
C
126 lines
4.1 KiB
C
|
/*
|
||
|
|
* AES (Rijndael) cipher
|
||
|
|
* Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
|
||
|
|
*
|
||
|
|
* This software may be distributed under the terms of the BSD license.
|
||
|
|
* See README for more details.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef AES_I_H
|
||
|
|
#define AES_I_H
|
||
|
|
|
||
|
|
#include "aes.h"
|
||
|
|
|
||
|
|
/* #define FULL_UNROLL */
|
||
|
|
#define AES_SMALL_TABLES
|
||
|
|
|
||
|
|
extern const u32 Te0[256];
|
||
|
|
extern const u32 Te1[256];
|
||
|
|
extern const u32 Te2[256];
|
||
|
|
extern const u32 Te3[256];
|
||
|
|
extern const u32 Te4[256];
|
||
|
|
extern const u32 Td0[256];
|
||
|
|
extern const u32 Td1[256];
|
||
|
|
extern const u32 Td2[256];
|
||
|
|
extern const u32 Td3[256];
|
||
|
|
extern const u32 Td4[256];
|
||
|
|
extern const u32 rcon[10];
|
||
|
|
extern const u8 Td4s[256];
|
||
|
|
extern const u8 rcons[10];
|
||
|
|
|
||
|
|
#ifndef AES_SMALL_TABLES
|
||
|
|
|
||
|
|
#define RCON(i) rcon[(i)]
|
||
|
|
|
||
|
|
#define TE0(i) Te0[((i) >> 24) & 0xff]
|
||
|
|
#define TE1(i) Te1[((i) >> 16) & 0xff]
|
||
|
|
#define TE2(i) Te2[((i) >> 8) & 0xff]
|
||
|
|
#define TE3(i) Te3[(i) & 0xff]
|
||
|
|
#define TE41(i) (Te4[((i) >> 24) & 0xff] & 0xff000000)
|
||
|
|
#define TE42(i) (Te4[((i) >> 16) & 0xff] & 0x00ff0000)
|
||
|
|
#define TE43(i) (Te4[((i) >> 8) & 0xff] & 0x0000ff00)
|
||
|
|
#define TE44(i) (Te4[(i) & 0xff] & 0x000000ff)
|
||
|
|
#define TE421(i) (Te4[((i) >> 16) & 0xff] & 0xff000000)
|
||
|
|
#define TE432(i) (Te4[((i) >> 8) & 0xff] & 0x00ff0000)
|
||
|
|
#define TE443(i) (Te4[(i) & 0xff] & 0x0000ff00)
|
||
|
|
#define TE414(i) (Te4[((i) >> 24) & 0xff] & 0x000000ff)
|
||
|
|
#define TE411(i) (Te4[((i) >> 24) & 0xff] & 0xff000000)
|
||
|
|
#define TE422(i) (Te4[((i) >> 16) & 0xff] & 0x00ff0000)
|
||
|
|
#define TE433(i) (Te4[((i) >> 8) & 0xff] & 0x0000ff00)
|
||
|
|
#define TE444(i) (Te4[(i) & 0xff] & 0x000000ff)
|
||
|
|
#define TE4(i) (Te4[(i)] & 0x000000ff)
|
||
|
|
|
||
|
|
#define TD0(i) Td0[((i) >> 24) & 0xff]
|
||
|
|
#define TD1(i) Td1[((i) >> 16) & 0xff]
|
||
|
|
#define TD2(i) Td2[((i) >> 8) & 0xff]
|
||
|
|
#define TD3(i) Td3[(i) & 0xff]
|
||
|
|
#define TD41(i) (Td4[((i) >> 24) & 0xff] & 0xff000000)
|
||
|
|
#define TD42(i) (Td4[((i) >> 16) & 0xff] & 0x00ff0000)
|
||
|
|
#define TD43(i) (Td4[((i) >> 8) & 0xff] & 0x0000ff00)
|
||
|
|
#define TD44(i) (Td4[(i) & 0xff] & 0x000000ff)
|
||
|
|
#define TD0_(i) Td0[(i) & 0xff]
|
||
|
|
#define TD1_(i) Td1[(i) & 0xff]
|
||
|
|
#define TD2_(i) Td2[(i) & 0xff]
|
||
|
|
#define TD3_(i) Td3[(i) & 0xff]
|
||
|
|
|
||
|
|
#else /* AES_SMALL_TABLES */
|
||
|
|
|
||
|
|
#define RCON(i) (rcons[(i)] << 24)
|
||
|
|
|
||
|
|
static inline u32 rotr(u32 val, int bits)
|
||
|
|
{
|
||
|
|
return (val >> bits) | (val << (32 - bits));
|
||
|
|
}
|
||
|
|
|
||
|
|
#define TE0(i) Te0[((i) >> 24) & 0xff]
|
||
|
|
#define TE1(i) rotr(Te0[((i) >> 16) & 0xff], 8)
|
||
|
|
#define TE2(i) rotr(Te0[((i) >> 8) & 0xff], 16)
|
||
|
|
#define TE3(i) rotr(Te0[(i) & 0xff], 24)
|
||
|
|
#define TE41(i) ((Te0[((i) >> 24) & 0xff] << 8) & 0xff000000)
|
||
|
|
#define TE42(i) (Te0[((i) >> 16) & 0xff] & 0x00ff0000)
|
||
|
|
#define TE43(i) (Te0[((i) >> 8) & 0xff] & 0x0000ff00)
|
||
|
|
#define TE44(i) ((Te0[(i) & 0xff] >> 8) & 0x000000ff)
|
||
|
|
#define TE421(i) ((Te0[((i) >> 16) & 0xff] << 8) & 0xff000000)
|
||
|
|
#define TE432(i) (Te0[((i) >> 8) & 0xff] & 0x00ff0000)
|
||
|
|
#define TE443(i) (Te0[(i) & 0xff] & 0x0000ff00)
|
||
|
|
#define TE414(i) ((Te0[((i) >> 24) & 0xff] >> 8) & 0x000000ff)
|
||
|
|
#define TE411(i) ((Te0[((i) >> 24) & 0xff] << 8) & 0xff000000)
|
||
|
|
#define TE422(i) (Te0[((i) >> 16) & 0xff] & 0x00ff0000)
|
||
|
|
#define TE433(i) (Te0[((i) >> 8) & 0xff] & 0x0000ff00)
|
||
|
|
#define TE444(i) ((Te0[(i) & 0xff] >> 8) & 0x000000ff)
|
||
|
|
#define TE4(i) ((Te0[(i)] >> 8) & 0x000000ff)
|
||
|
|
|
||
|
|
#define TD0(i) Td0[((i) >> 24) & 0xff]
|
||
|
|
#define TD1(i) rotr(Td0[((i) >> 16) & 0xff], 8)
|
||
|
|
#define TD2(i) rotr(Td0[((i) >> 8) & 0xff], 16)
|
||
|
|
#define TD3(i) rotr(Td0[(i) & 0xff], 24)
|
||
|
|
#define TD41(i) (Td4s[((i) >> 24) & 0xff] << 24)
|
||
|
|
#define TD42(i) (Td4s[((i) >> 16) & 0xff] << 16)
|
||
|
|
#define TD43(i) (Td4s[((i) >> 8) & 0xff] << 8)
|
||
|
|
#define TD44(i) (Td4s[(i) & 0xff])
|
||
|
|
#define TD0_(i) Td0[(i) & 0xff]
|
||
|
|
#define TD1_(i) rotr(Td0[(i) & 0xff], 8)
|
||
|
|
#define TD2_(i) rotr(Td0[(i) & 0xff], 16)
|
||
|
|
#define TD3_(i) rotr(Td0[(i) & 0xff], 24)
|
||
|
|
|
||
|
|
#endif /* AES_SMALL_TABLES */
|
||
|
|
|
||
|
|
#ifdef _MSC_VER
|
||
|
|
#define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00)
|
||
|
|
#define GETU32(p) SWAP(*((u32 *)(p)))
|
||
|
|
#define PUTU32(ct, st) { *((u32 *)(ct)) = SWAP((st)); }
|
||
|
|
#else
|
||
|
|
#define GETU32(pt) (((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ \
|
||
|
|
((u32)(pt)[2] << 8) ^ ((u32)(pt)[3]))
|
||
|
|
#define PUTU32(ct, st) { \
|
||
|
|
(ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); \
|
||
|
|
(ct)[2] = (u8)((st) >> 8); (ct)[3] = (u8)(st); }
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#define AES_PRIV_SIZE (4 * 4 * 15 + 4)
|
||
|
|
#define AES_PRIV_NR_POS (4 * 15)
|
||
|
|
|
||
|
|
int rijndaelKeySetupEnc(u32 rk[], const u8 cipherKey[], int keyBits);
|
||
|
|
|
||
|
|
#endif /* AES_I_H */
|