#ifndef __MD5_H__
#define __MD5_H__

#ifdef __cplusplus
extern "C" {
#endif

 /**
  * \brief          MD5 context structure
  */
typedef struct
{
    unsigned long total[2];     /*!< number of bytes processed  */
    unsigned long state[4];     /*!< intermediate digest state  */
    unsigned char buffer[64];   /*!< data block being processed */
}
md5_context;


/**
 * \brief          MD5 context setup
 *
 * \param ctx      context to be initialized
 */
void md5_starts(md5_context* ctx);

/**
 * \brief          MD5 process buffer
 *
 * \param ctx      MD5 context
 * \param input    buffer holding the  data
 * \param ilen     length of the input data
 */
void md5_update(md5_context* ctx, const unsigned char* input, int ilen);

/**
 * \brief          MD5 final digest
 *
 * \param ctx      MD5 context
 * \param output   MD5 checksum result
 */
void md5_finish(md5_context* ctx, unsigned char output[16]);

/**
 * \brief          Output = MD5( input buffer )
 *
 * \param input    buffer holding the  data
 * \param ilen     length of the input data
 * \param output   MD5 checksum result
 */
void md5(unsigned char* input, int ilen, unsigned char output[16]);

#ifdef __cplusplus
}
#endif

#endif