/*
 * prf.h
 * PRF function used in WPA and TGi
 *
 * Copyright 2007, Broadcom Corporation
 * All Rights Reserved.
 * 
 * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
 * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
 * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
 *
 * $Id$
 */

#ifndef _PRF_H_
#define _PRF_H_

#include <typedefs.h>

/* lengths in Bytes */
#define PRF_MAX_I_D_LEN	1024
#define PRF_MAX_KEY_LEN	64
#define PRF_OUTBUF_LEN	80

extern int BCMROMFN(PRF)(unsigned char *key, int key_len, unsigned char *prefix,
                         int prefix_len, unsigned char *data, int data_len,
                         unsigned char *output, int len);

extern int BCMROMFN(fPRF)(unsigned char *key, int key_len, unsigned char *prefix,
                          int prefix_len, unsigned char *data, int data_len,
                          unsigned char *output, int len);

extern void BCMROMFN(hmac_sha1)(unsigned char *text, int text_len, unsigned char *key,
                                int key_len, unsigned char *digest);

extern void BCMROMFN(hmac_md5)(unsigned char *text, int text_len, unsigned char *key,
                               int key_len, unsigned char *digest);

#endif /* _PRF_H_ */