md5.h

这同样是FS8610相关的代码.看起来不错啊.

/**
 * \addtogroup t4socket
 * @{
 */
 
/**
 * \addtogroup md5 MD5 Algorithm for PPPoE
 * @{
 */

/**
 * \file md5.h
 * \brief support MD5 for PPPoE CHAP mode
 * 
 * file desc. 
 */

#ifndef __MD5_H
#define __MD5_H

#include "user_config.h"
#include "kernel/system.h"

#if	(INCLUDE_PPPOE_STACK && INCLUDE_CHAP_AUTH)

/** MD5 context. */
typedef struct {
        uint32 state[4];    /**< state (ABCD)                            */
        uint32 count[2];    /**< number of bits, modulo 2^64 (lsb first) */
        uint8  buffer[64];  /**< input buffer                            */
      } md5_ctx;

extern void md5_init(md5_ctx *context);
extern void md5_update(md5_ctx *context, uint8 *buffer, uint32 length);
extern void md5_final(uint8 result[16], md5_ctx *context);

#endif

#endif	// __md5_H

/** @} */
/** @} */