/* * AES (Rijndael) cipher * Copyright (c) 2003-2005, Jouni Malinen * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * Alternatively, this software may be distributed under the terms of BSD * license. * * See README and COPYING for more details. */ #ifndef AES_I_H #define AES_I_H #include "crypto/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 */