VirgilStreamCipher.h

#ifndef VIRGIL_STREAM_CIPHER_H
#define VIRGIL_STREAM_CIPHER_H

#include <virgil/crypto/VirgilCipherBase.h>

#include <virgil/crypto/VirgilByteArray.h>
#include <virgil/crypto/VirgilDataSource.h>
#include <virgil/crypto/VirgilDataSink.h>

namespace virgil { namespace crypto {

class VirgilStreamCipher : public VirgilCipherBase {
public:
    virtual ~VirgilStreamCipher() throw();

public:
    void encrypt(VirgilDataSource& source, VirgilDataSink& sink, bool embedContentInfo = false);

    void decryptWithKey(
            VirgilDataSource& source, VirgilDataSink& sink, const VirgilByteArray& recipientId,
            const VirgilByteArray& privateKey, const VirgilByteArray& privateKeyPassword = VirgilByteArray());

    void decryptWithPassword(VirgilDataSource& source, VirgilDataSink& sink, const VirgilByteArray& pwd);

private:
    VirgilByteArray tryReadContentInfo(VirgilDataSource& source);

    void decrypt(
            VirgilDataSource& source, VirgilDataSink& sink,
            virgil::crypto::foundation::VirgilSymmetricCipher& cipher, const VirgilByteArray& firstChunk);
};

}}

#endif /* VIRGIL_STREAM_CIPHER_H */