wps_crypto.h

WiFi Protected Setup (WPS) 又叫Simple config。 是无线局域网领域推出的新协议

/*
 *  WPS_CRYPTO.H : WPS Encrypt/Decrypt Interface Definition
 * 
 *  ver       date        author      comment
 *  0.0.1     07/12/25    Gao Hua     First
 */

#ifndef _WPS_CRYPTO_H
#define _WPS_CRYPTO_H

#include "wps_types.h"
#include "wps_common.h"


typedef void *WPS_DH_P;


WPS_DH_P	WPS_dh_new(void);

void		WPS_dh_free(WPS_DH_P pDH);

/* WPS_dh_generate_pubkey
 * Return values:
 * -1: Failed.
 *  n: Number of bytes copied to PubKeyBuff.
 */
int WPS_dh_generate_pubkey(WPS_DH_P pDH, const WPS_char *p, const WPS_char *g, WPS_u8 *PubKeyBuff, int BuffLen);

/* WPS_dh_sharedkey_size
 * Return values:
 * -1: Failed.
 *  n: Bytes of DH shared key.
 */
int WPS_dh_sharedkey_size(WPS_DH_P pDH);

/* WPS_dh_compute_sharedkey
 * Return values:
 * -1: Failed.
 *  n: Number of bytes copied to SharedKeyBuff.
 */
int WPS_dh_compute_sharedkey(WPS_DH_P pDH, const WPS_u8 *HisPubKey, int HisPubKeyLen, WPS_u8 *SharedKeyBuff, int BuffLen);

int WPS_Md5(const WPS_u8 *Input, int InputLen, WPS_u8 *Output, int OutputBuffLen);
int WPS_Sha256(const WPS_u8 *Input, int InputLen, WPS_u8 *Output, int OutputBuffLen);
int WPS_HMAC_Sha256(const WPS_u8 *Key, int KeyLen, const WPS_u8 *Input, int InputLen, WPS_u8 *Output, int OutputBuffLen);
int WPS_AES_CBC_Encrypt(const WPS_u8 *Key, int KeyLen, WPS_u8 *IV, int IVLen, const WPS_u8 *Input, int InputLen, WPS_u8 *Output, int OutputBuffLen);
int WPS_AES_CBC_Decrypt(const WPS_u8 *Key, int KeyLen, WPS_u8 *IV, int IVLen, const WPS_u8 *Input, int InputLen, WPS_u8 *Output, int OutputBuffLen);
int WPS_Rand(WPS_u8 *Buff, int BuffLen);


#endif /* _WPS_CRYPTO_H */