VirgilKDF.h

#ifndef VIRGIL_CRYPTO_KDF_H
#define VIRGIL_CRYPTO_KDF_H

#include <string>

#include <virgil/crypto/VirgilByteArray.h>
#include <virgil/crypto/foundation/asn1/VirgilAsn1Compatible.h>

namespace virgil { namespace crypto { namespace foundation {

class VirgilKDFImpl;

class VirgilKDF : public virgil::crypto::foundation::asn1::VirgilAsn1Compatible {
public:

    static VirgilKDF kdf1();

    static VirgilKDF kdf2();


    VirgilKDF();

    virtual ~VirgilKDF() throw();


    std::string name() const;


    virgil::crypto::VirgilByteArray derive(const virgil::crypto::VirgilByteArray& in, size_t outSize);

    VirgilKDF(const VirgilKDF& other);

    VirgilKDF& operator=(const VirgilKDF& rhs);

    virtual size_t asn1Write(
            virgil::crypto::foundation::asn1::VirgilAsn1Writer& asn1Writer,
            size_t childWrittenBytes = 0) const;

    virtual void asn1Read(virgil::crypto::foundation::asn1::VirgilAsn1Reader& asn1Reader);
private:
    explicit VirgilKDF(int kdfType, int mdType);

    void checkState() const;

private:
    VirgilKDFImpl* impl_;
};

}}}

#endif /* VIRGIL_CRYPTO_KDF_H */