CryptoChecksum.h

// $Id: CryptoChecksum.h 21 2010-09-05 04:18:17Z cschwarz1 $

#ifndef BASE_CRYPTO_CRYPTOCHECKSUM_H
#define BASE_CRYPTO_CRYPTOCHECKSUM_H

#include <openssl/objects.h>
#include <openssl/sha.h>
#include "libppbase/base/String.h"

namespace base_crypto {
    class PPBASE_CRYPTO_EXPORT CryptoChecksum {
    public:
        enum checksumMethod {
            checksumUndef     = NID_undef,      
            checksumMD5       = NID_md5,        
            checksumRIPEMD160 = NID_ripemd160,  
            checksumSHA1      = NID_sha1        
        };

        virtual ~CryptoChecksum();

        static CryptoChecksum *create(checksumMethod method);

        static CryptoChecksum *create(const char *name);

        base::String final();

        virtual void final(unsigned char *buf) = 0;

        static checksumMethod getMethodByName(const char *name);

        virtual checksumMethod getMethodId() const = 0;

        virtual const char *getMethodName() const = 0;

        virtual unsigned getSize() const = 0;

        virtual void init() = 0;

        virtual void update(const void *data, size_t len) = 0;

        void update(const base::String &data);

        void update1(const base::String &data);
    };
}

#endif