//-----------------------------------------------------------------------------
//?F326_AES_Cipher.c
//-----------------------------------------------------------------------------
//?Copyright?2007?Silicon?Laboratories?Inc.
//?http://www.silabs.com
//
//?Program?Description:
//
//
//?How?To?Test:????See?Readme.txt
//
//?????????
//?Target:?????????C8051F326
//?Tool?chain:?????Keil?C51?7.50?/?Keil?EVAL?C51
//?????????????????Silicon?Laboratories?IDE?version?2.91
//?Command?Line:???See?Readme.txt
//?Project?Name:???F326_AES
//
//
//?Release?1.0
//????-Initial?Revision?（CG/GP）
//????-11?JUN?2007
//

//-----------------------------------------------------------------------------
//?Includes
//-----------------------------------------------------------------------------

#include?“F326_AES_Typedef.h“
#include?“F326_AES_Parameters.h“
#include?“F326_AES_Sbox.h“
#include?“F326_AES_Cipher.h“

//-----------------------------------------------------------------------------
//?Global?Constants
//-----------------------------------------------------------------------------

extern?pdata?byte?EXP_KEYS[];

static?byte?data?State[4][4];??????????//?State?vector;?stored?explicitly?in
???????????????????????????????????????//?RAM?for?speed?purposes

static?byte?data?CurrentKey[4][4];?????//?Stores?the?keys?for?the?current?round
???????????????????????????????????????//?of?encryption

//-----------------------------------------------------------------------------
//?Prototypes
//-----------------------------------------------------------------------------

void?Cipher?（byte?*in?byte?*out）;

//?Functions?defined?in?the?AES?specification;?Core?functions?of?the?encryption
void?SubBytes????（void）;
void?ShiftRows???（void）;
void?MixColumns??（void）;
void?AddRoundKey?（void）;

void?StateIn?????（byte?*in）;
void?StateOut????（byte?*out）;
void?LoadKeys????（char?i）;
byte?xtime???????（byte?input）;
static?byte?FFMultiply?（byte?x?byte?y）;

//-----------------------------------------------------------------------------
//?Support?Subroutines
//-----------------------------------------------------------------------------

//-----------------------------------------------------------------------------
//?Cipher
//-----------------------------------------------------------------------------
//
//?Return?Value?:?None
//?Parameters???:?1）?byte?*in?-?pointer?to?array?of?input?plaintext?data
//????????????????2）?byte?*out?-?pointer?to?array?output?encrypted?data
//
//?Procedure?that?encrypts?a?message?using?AES/Rijndael?
//
//-----------------------------------------------------------------------------

void?Cipher?（byte?*in?byte?*out）
{
???char?r;

???StateIn?（in）;???????????????????????//?Load?string?to?be?encrypted

???LoadKeys?（0）;
???AddRoundKey?（）;?????????????????????//?Initial?key?addition?（round?key）

???for（r?=?1;?r????{
??????SubBytes?（）;??????

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----
?????目錄???????????0??2007-06-13?13:10??AN324SW\
?????文件???????35077??2007-06-13?13:10??AN324SW\F326_AES.wsp
?????文件???????12425??2007-06-13?13:10??AN324SW\F326_AES_Cipher.c
?????文件????????1494??2007-06-13?13:10??AN324SW\F326_AES_Cipher.h
?????文件???????14055??2007-06-13?13:10??AN324SW\F326_AES_InvCipher.c
?????文件????????7231??2007-06-13?13:10??AN324SW\F326_AES_InvCipher.h
?????文件????????3973??2007-06-13?13:10??AN324SW\F326_AES_KeyExpander.c
?????文件????????3108??2007-06-13?13:10??AN324SW\F326_AES_KeyExpander.h
?????文件????????5999??2007-06-13?13:10??AN324SW\F326_AES_Main.c
?????文件????????2925??2007-06-13?13:10??AN324SW\F326_AES_Parameters.h
?????文件????????2924??2007-06-13?13:10??AN324SW\F326_AES_Sbox.h
?????文件????????1489??2007-06-13?13:10??AN324SW\F326_AES_Typedef.h
?????文件????????1775??2007-06-13?13:10??AN324SW\Readme.txt
?????文件?????????712??2007-06-13?13:10??AN324SW\ReleaseNotes.txt