/*
 *************************************************************************
 * Ralink Tech Inc.
 * 5F., No.36, Taiyuan St., Jhubei City,
 * Hsinchu County 302,
 * Taiwan, R.O.C.
 *
 * (c) Copyright 2002-2010, Ralink Technology, Inc.
 *
 * This program is free software; you can redistribute it and/or modify  * 
 * it under the terms of the GNU General Public License as published by  * 
 * the Free Software Foundation; either version 2 of the License, or     * 
 * (at your option) any later version.                                   * 
 *                                                                       * 
 * This program is distributed in the hope that it will be useful,       * 
 * but WITHOUT ANY WARRANTY; without even the implied warranty of        * 
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         * 
 * GNU General Public License for more details.                          * 
 *                                                                       * 
 * You should have received a copy of the GNU General Public License     * 
 * along with this program; if not, write to the                         * 
 * Free Software Foundation, Inc.,                                       * 
 * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             * 
 *                                                                       * 
 *************************************************************************
 */


#ifndef __CRYPT_MD5_H__
#define __CRYPT_MD5_H__


#ifndef	uint8
#define	uint8  unsigned	char
#endif

#ifndef	uint32
#define	uint32 unsigned	long int
#endif

#define MD5_MAC_LEN 16

typedef struct _MD5_CTX {
    ULONG   Buf[4];             // buffers of four states
	UCHAR   Input[64];          // input message
	ULONG   LenInBitCount[2];   // length counter for input message, 0 up to 64 bits	                            
}   MD5_CTX;

VOID MD5Init(MD5_CTX *pCtx);
VOID MD5Update(MD5_CTX *pCtx, UCHAR *pData, ULONG LenInBytes);
VOID MD5Final(UCHAR Digest[16], MD5_CTX *pCtx);
VOID MD5Transform(ULONG Buf[4], ULONG Mes[16]);

void md5_mac(u8 *key, size_t key_len, u8 *data, size_t data_len, u8 *mac);
void hmac_md5(u8 *key, size_t key_len, u8 *data, size_t data_len, u8 *mac);

//
// SHA context
//
typedef	struct _SHA_CTX
{
	ULONG   Buf[5];             // buffers of five states
	UCHAR   Input[80];          // input message
	ULONG   LenInBitCount[2];   // length counter for input message, 0 up to 64 bits
	
}	SHA_CTX;

VOID SHAInit(SHA_CTX *pCtx);
UCHAR SHAUpdate(SHA_CTX *pCtx, UCHAR *pData, ULONG LenInBytes);
VOID SHAFinal(SHA_CTX *pCtx, UCHAR Digest[20]);
VOID SHATransform(ULONG Buf[5], ULONG Mes[20]);

#define SHA_DIGEST_LEN 20

VOID	HMAC_SHA1(
	IN	UCHAR	*text,
	IN	UINT	text_len,
	IN	UCHAR	*key,
	IN	UINT	key_len,
	IN	UCHAR	*digest);
	
#define RT_HMAC_MD5(Key, KeyL, Meg, MegL, MAC, MACL) \
    hmac_md5((Key), (KeyL), (Meg), (MegL), (MAC))

#define RT_HMAC_SHA1(Key, KeyL, Meg, MegL, MAC, MACL) \
    HMAC_SHA1((Meg), (MegL), (Key), (KeyL), (MAC))


#endif /* __CRYPT_MD5_H__ */

