/* C implementation by Christophe Devine, C++ "class-ified" by [T3] */

#ifndef ZNC_MD5_H

#define ZNC_MD5_H

#include <znc/zncconfig.h>

#include <string>

using std::string;

#ifndef uint8

#define uint8 unsigned char

#endif

#ifndef uint32

#define uint32 unsigned long int

#endif

typedef struct {

    uint32 total[2];

    uint32 state[4];

    uint8 buffer[64];

} md5_context;

class CMD5 {

  protected:

    char m_szMD5[33];

  public:

    CMD5();

    CMD5(const string& sText);

    CMD5(const char* szText, uint32 nTextLen);

    ~CMD5();

    operator string() const { return (string)m_szMD5; }

    operator char*() const { return (char*)m_szMD5; }

    char* MakeHash(const char* szText, uint32 nTextLen);

  protected:

    void md5_starts(md5_context* ctx) const;

    void md5_update(md5_context* ctx, const uint8* input, uint32 length) const;

    void md5_finish(md5_context* ctx, uint8 digest[16]) const;

  private:

    void md5_process(md5_context* ctx, const uint8 data[64]) const;

};

#endif /* ZNC_MD5_H */