DigestStream.hxx

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#if !defined(RESIP_DigestSTREAM_HXX)
#define RESIP_DigestSTREAM_HXX 
 
#include <iostream>
#include "rutil/Data.hxx"
 
namespace resip
{
 
enum DigestType
{
   MD5,
   SHA1
#ifdef USE_SSL
   , SHA256
   , SHA512
   , SHA512_256
#endif
};
 
class DigestBuffer : public std::streambuf
{
public:
   DigestBuffer(DigestType digestType = MD5);
   virtual ~DigestBuffer();
 
   Data getHex();
 
   const Data& getBin();
 
   size_t bytesTaken() { return mBytesTaken; }
 
protected:
   virtual int sync();
   virtual int overflow(int c = -1);
 
private:
   DigestType mDigestType;
   char mBuf[64];
   void* mContext;
   size_t mBytesTaken;
   Data mFinalBin;
};
 
class DigestStream : private DigestBuffer, public std::ostream
{
public:
   DigestStream(DigestType digestType = MD5);
   ~DigestStream();
   Data getHex();
   const Data& getBin();
 
   size_t bytesTaken();
 
   static const Data& getDigestName(DigestType digestType);
};
 
}
 
#endif
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