aes_i.h File Reference

AES (Rijndael) cipher. More...

#include "aes.h"

Go to the source code of this file.

Defines
#define	AES_SMALL_TABLES
#define	RCON(i)   (rcons[(i)] << 24)
#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	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)
#define	GETU32(pt)
#define	PUTU32(ct, st)
#define	AES_PRIV_SIZE   (4 * 44)
Functions
void	rijndaelKeySetupEnc (u32 rk[], const u8 cipherKey[])
Variables
const u32	Te0 [256]
const u32	Te1 [256]
const u32	Te2 [256]
const u32	Te3 [256]
const u32	Te4 [256]
const u32	Td0 [256]
const u32	Td1 [256]
const u32	Td2 [256]
const u32	Td3 [256]
const u32	Td4 [256]
const u32	rcon [10]
const u8	Td4s [256]
const u8	rcons [10]

---

Detailed Description

AES (Rijndael) cipher.

Copyright

Copyright (c) 2003-2005, Jouni Malinen <j@w1.fi>

This software may be distributed under the terms of the BSD license. See README for more details.

---

Define Documentation

#define GETU32

(

pt

)

Value:

(((u32)(pt)[0] << 24) ^ ((u32)(pt)[1] << 16) ^ \
((u32)(pt)[2] <<  8) ^ ((u32)(pt)[3]))

#define PUTU32	(		ct,
			st
	)

Value:

{ \
(ct)[0] = (u8)((st) >> 24); (ct)[1] = (u8)((st) >> 16); \
(ct)[2] = (u8)((st) >>  8); (ct)[3] = (u8)(st); }

---

Function Documentation

void rijndaelKeySetupEnc	(	u32	rk[],
		const u8	cipherKey[]
	)

Expand the cipher key into the encryption key schedule.

Returns:

the number of rounds for the given cipher key size.