libqpdf/qpdf/Pl_RC4.hh


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#ifndef PL_RC4_HH
#define PL_RC4_HH

#include <qpdf/Pipeline.hh>

#include <qpdf/RC4.hh>

class Pl_RC4: public Pipeline
{
  public:
    static size_t const def_bufsize = 65536;

    // key_len of -1 means treat key_data as a null-terminated string
    QPDF_DLL
    Pl_RC4(
        char const* identifier,
        Pipeline* next,
        unsigned char const* key_data,
        int key_len = -1,
        size_t out_bufsize = def_bufsize);
    QPDF_DLL
    virtual ~Pl_RC4();

    QPDF_DLL
    virtual void write(unsigned char* data, size_t len);
    QPDF_DLL
    virtual void finish();

  private:
    PointerHolder<unsigned char> outbuf;
    size_t out_bufsize;
    RC4 rc4;
};

#endif // PL_RC4_HH