source: box/trunk/lib/crypto/MD5Digest.h @ 217

// --------------------------------------------------------------------------
//
// File
//              Name:    MD5Digest.h
//              Purpose: Simple interface for creating MD5 digests
//              Created: 8/12/03
//
// --------------------------------------------------------------------------

#ifndef MD5DIGEST_H
#define MD5DIGEST_H

#include <openssl/md5.h>
#include <string>

// --------------------------------------------------------------------------
//
// Function
//              Name:    MD5Digest
//              Purpose: Simple interface for creating MD5 digests
//              Created: 8/12/03
//
// --------------------------------------------------------------------------
class MD5Digest  
{
public:
        MD5Digest();
        virtual ~MD5Digest();

        void Add(const std::string &rString);
        void Add(const void *pData, int Length);

        void Finish();

        std::string DigestAsString();
        uint8_t *DigestAsData(int *pLength = 0)
        {
                if(pLength) *pLength = sizeof(mDigest);
                return mDigest;
        }

        enum
        {
                DigestLength = MD5_DIGEST_LENGTH
        };

        int CopyDigestTo(uint8_t *to);

        bool DigestMatches(uint8_t *pCompareWith) const;

private:
        MD5_CTX md5;
        uint8_t mDigest[MD5_DIGEST_LENGTH];
};

#endif // MD5DIGEST_H