CryptoKeypairDSA.h

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

#ifndef BASE_CRYPTO_CRYPTOKEYPAIRDSA_H
#define BASE_CRYPTO_CRYPTOKEYPAIRDSA_H

#include <openssl/dsa.h>
#include "CryptoKeypair.h"

namespace base_crypto {
    class PPBASE_CRYPTO_EXPORT CryptoKeypairDSA: public CryptoKeypair {
    public:
        CryptoKeypairDSA();

    private:
        virtual ~CryptoKeypairDSA();

        virtual void create(unsigned keylen);

        virtual keypairMethod getMethodId() const;

        virtual const char *getMethodName() const;

        virtual unsigned getPrivateKey(unsigned char **rbuf) const;

        virtual unsigned getPublicKey(unsigned char **rbuf) const;

        virtual unsigned getSize() const;

        virtual void readPrivateKey(FILE *file, bool pem);

        virtual void readPrivateKey(const char *fname, bool pem);

        virtual void readPublicKey(FILE *file, bool pem);

        virtual void readPublicKey(const char *fname, bool pem);

        virtual void setPrivateKey(const unsigned char *buf, unsigned len);

        virtual void setPublicKey(const unsigned char *buf, unsigned len);

        virtual unsigned sign(const unsigned char *data, unsigned len, CryptoChecksum::checksumMethod method, unsigned char *sig);

        virtual bool verify(const unsigned char *data, unsigned datalen, CryptoChecksum::checksumMethod method,
                            const unsigned char *sig, unsigned siglen);

        virtual void writePrivateKey(FILE *file, bool pem);

        virtual void writePrivateKey(const char *fname, bool pem);

        virtual void writePublicKey(FILE *file, bool pem);

        virtual void writePublicKey(const char *fname, bool pem);

        DSA *_ctx;   
    };
}

#endif