sw/aes_engine.c File Reference

#include <stdlib.h>
#include <stdint.h>
#include "aes_engine.h"

Macros
#define	BLOCKSIZE   16
#define	xtime(a)   (((a)<0x80)?(a)<<1:(((a)<<1)^0x1b) )

Functions
void	AESEncode (unsigned char *block, unsigned char *masterKey)
	Encrypts the given block of data. More...
void	AESInit (void)
	Initializes the AES Engine. More...
static void	EncKeySchedule (unsigned char *key)
static void	EncodeShiftRow (unsigned char *stateTable)

Variables
static unsigned char	_rcon
static unsigned char	_roundCounter
const unsigned char	STable []

#define BLOCKSIZE   16

Referenced by AESEncode().

#define xtime

(

a

)

(((a)<0x80)?(a)<<1:(((a)<<1)^0x1b) )

Referenced by AESEncode(), and EncKeySchedule().

void AESEncode	(	unsigned char *	block,
		unsigned char *	key
	)

Encrypts the given block of data.

Parameters

[in,out]	block	Block of input data to be encrypted
[in]	key	Cryptographic key to be used in AES encryption

Referenced by SAL_AESEncode().

void AESInit

(

void

)

Initializes the AES Engine.

Referenced by SAL_Init().

static void EncKeySchedule ( unsigned char *  key )

static

References _rcon, STable, and xtime.

Referenced by AESEncode().

static void EncodeShiftRow ( unsigned char *  stateTable )

static

Referenced by AESEncode().

unsigned char _rcon

static

Referenced by AESEncode(), and EncKeySchedule().

unsigned char _roundCounter

static

Referenced by AESEncode().

const unsigned char STable[]

Initial value:

=
{
    0x63,0x7C,0x77,0x7B,0xF2,0x6B,0x6F,0xC5,0x30,0x01,0x67,0x2B,0xFE,0xD7,0xAB,0x76,
    0xCA,0x82,0xC9,0x7D,0xFA,0x59,0x47,0xF0,0xAD,0xD4,0xA2,0xAF,0x9C,0xA4,0x72,0xC0,
    0xB7,0xFD,0x93,0x26,0x36,0x3F,0xF7,0xCC,0x34,0xA5,0xE5,0xF1,0x71,0xD8,0x31,0x15,
    0x04,0xC7,0x23,0xC3,0x18,0x96,0x05,0x9A,0x07,0x12,0x80,0xE2,0xEB,0x27,0xB2,0x75,
    0x09,0x83,0x2C,0x1A,0x1B,0x6E,0x5A,0xA0,0x52,0x3B,0xD6,0xB3,0x29,0xE3,0x2F,0x84,
    0x53,0xD1,0x00,0xED,0x20,0xFC,0xB1,0x5B,0x6A,0xCB,0xBE,0x39,0x4A,0x4C,0x58,0xCF,
    0xD0,0xEF,0xAA,0xFB,0x43,0x4D,0x33,0x85,0x45,0xF9,0x02,0x7F,0x50,0x3C,0x9F,0xA8,
    0x51,0xA3,0x40,0x8F,0x92,0x9D,0x38,0xF5,0xBC,0xB6,0xDA,0x21,0x10,0xFF,0xF3,0xD2,
    0xCD,0x0C,0x13,0xEC,0x5F,0x97,0x44,0x17,0xC4,0xA7,0x7E,0x3D,0x64,0x5D,0x19,0x73,
    0x60,0x81,0x4F,0xDC,0x22,0x2A,0x90,0x88,0x46,0xEE,0xB8,0x14,0xDE,0x5E,0x0B,0xDB,
    0xE0,0x32,0x3A,0x0A,0x49,0x06,0x24,0x5C,0xC2,0xD3,0xAC,0x62,0x91,0x95,0xE4,0x79,
    0xE7,0xC8,0x37,0x6D,0x8D,0xD5,0x4E,0xA9,0x6C,0x56,0xF4,0xEA,0x65,0x7A,0xAE,0x08,
    0xBA,0x78,0x25,0x2E,0x1C,0xA6,0xB4,0xC6,0xE8,0xDD,0x74,0x1F,0x4B,0xBD,0x8B,0x8A,
    0x70,0x3E,0xB5,0x66,0x48,0x03,0xF6,0x0E,0x61,0x35,0x57,0xB9,0x86,0xC1,0x1D,0x9E,
    0xE1,0xF8,0x98,0x11,0x69,0xD9,0x8E,0x94,0x9B,0x1E,0x87,0xE9,0xCE,0x55,0x28,0xDF,
    0x8C,0xA1,0x89,0x0D,0xBF,0xE6,0x42,0x68,0x41,0x99,0x2D,0x0F,0xB0,0x54,0xBB,0x16
}

Referenced by AESEncode(), and EncKeySchedule().