[Help] typedef structure

#include "crypt.h"
#define MAX_RC5_KEY				16

RC5_32_KEY RC5_32_KEY_TABLE[MAX_RC5_KEY];

BYTE SY_KEY_TABLE[16][4]=
{
	{ 0x17,0xb3,0x67,0xaa },	//0
	{ 0x53,0xf2,0x74,0xb1 },	//1
	{ 0x8c,0x72,0x59,0x32 },	//2
	{ 0x98,0xea,0x55,0x29 },	//3
	{ 0x4B,0x1C,0x15,0x11 },	//4
	{ 0xE8,0x9B,0x3A,0x8A },	//5
	{ 0x0F,0xAD,0x37,0x6C },	//6
	{ 0xD9,0x64,0x28,0x5C },	//7
	{ 0xB3,0xB7,0xEC,0x7B },	//8
	{ 0x9C,0x13,0xFE,0xF5 },	//9
	{ 0x5C,0x55,0x6A,0xD8 },	//10
	{ 0x6C,0xA9,0xDB,0x64 },	//11
	{ 0x5A,0xBE,0xF2,0xF6 },	//12
	{ 0xA6,0x4D,0x8F,0xB9 },	//13
	{ 0x67,0x9F,0x7D,0xF6 },	//14
	{ 0xCA,0x6A,0xA9,0xEF },	//15
};

BYTE SY_RKEY_TABLE[16][4]=
{
	{ 0xC0,0x3C,0x06,0xEA },	//0
	{ 0xB9,0x78,0xB3,0x45 },	//1
	{ 0x88,0x48,0xC0,0x71 },	//2
	{ 0x85,0x4C,0xB6,0xE7 },	//3
	{ 0x98,0xAE,0xD9,0xBF },	//4
	{ 0x2D,0x83,0x06,0x55 },	//5
	{ 0x44,0x95,0xAF,0x99 },	//6
	{ 0x43,0xC8,0x53,0x63 },	//7
	{ 0x3B,0xB1,0x60,0x0B },	//8
	{ 0x19,0x2D,0x57,0xC6 },	//9
	{ 0x68,0xCC,0x56,0x3A },	//10
	{ 0x5C,0xF8,0x90,0x4A },	//11
	{ 0xA1,0x8A,0x0B,0x70 },	//12
	{ 0x28,0x45,0x80,0xB1 },	//13
	{ 0x71,0x9D,0x4A,0x80 },	//14
	{ 0x54,0x1B,0x0F,0x9C },	//15
};

CCrypt::CCrypt( )
{
	RC5_32_KEY*   rc532Key  = RC5_32_KEY_TABLE;		//
	unsigned char tiv1[ 4 ] = {'n','o','o','b'};	//
	unsigned char tiv2[ 4 ] = {'n','o','o','b'};	//
	DWORD         skey[ 2 ];						// 4Byte * 2  = 64bit

	memset( RC5_32_KEY_TABLE, 0, sizeof(RC5_32_KEY_TABLE) );

	for ( int i = 0; i < MAX_RC5_KEY; i++, rc532Key++ )
	{
		skey[ 0 ] = (*(DWORD*)(SY_RKEY_TABLE + i)) ^ (*(DWORD*)tiv1);
		skey[ 1 ] = (*(DWORD*)(SY_RKEY_TABLE + i)) ^ (*(DWORD*)tiv2);

		RC5_32_set_key( rc532Key, sizeof(skey), (unsigned char*)&skey, RC5_8_ROUNDS );
	}
	Log( MSG_INFO, "Key table has been created!" );
}

CCrypt::~CCrypt( )
{
}

void CCrypt::Decrypt(BYTE* ptr, RC5_32_KEY key)
{
	
	unsigned char tiv[8] = {'n','o','o','b','n','o','o','b'};
	int           num    = 0;

	LONG  decryptlen = ((CPacket*)ptr)->Size;
	BYTE* decryptptr = ptr;

	decryptlen -= PHLen;
	decryptptr += PHLen;

	if ( decryptlen > 0 )
	{
		RC5_32_cfb64_encrypt( decryptptr, decryptptr, decryptlen, &key, tiv, &num, RC5_DECRYPT );
	}
}

void CCrypt::Encrypt(BYTE* ptr, RC5_32_KEY key)
{
	CPacket* pak;
	unsigned char tiv[8] = {'n','o','o','b','n','o','o','b'};
	int           num    = 0;

	LONG  encryptlen = ((CPacket*)ptr)->Size;
	BYTE* encryptptr = ptr;

	encryptlen -= PHLen;
	encryptptr += PHLen;

	if ( encryptlen > 0 )
	{
		RC5_32_cfb64_encrypt( encryptptr, encryptptr, encryptlen, &key, tiv, &num, RC5_ENCRYPT);
	}
}

#ifndef __CRYPT_
#define __CRYPT_

#include "rc5.h"

class CCrypt
{
public:
	CCrypt( );
	~CCrypt( );

	
	void Decrypt( BYTE* ptr, RC5_32_KEY key );
	void Encrypt(BYTE* ptr, RC5_32_KEY key);
	
	
};

unsigned char* buffer;
Decrypt( buffer, RC5_32_KEY_TABLE[ 0 ] );