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qpdf/libqpdf/qpdf/RC4_native.hh

29 lines
567 B
C++

#ifndef RC4_NATIVE_HH
#define RC4_NATIVE_HH
#include <cstring>
class RC4_native
{
public:
// key_len of -1 means treat key_data as a null-terminated string
RC4_native(unsigned char const* key_data, int key_len = -1);
// out_data = 0 means to encrypt/decrypt in place
void process(
unsigned char const* in_data, size_t len, unsigned char* out_data = 0);
private:
class RC4Key
{
public:
unsigned char state[256];
unsigned char x;
unsigned char y;
};
RC4Key key;
};
#endif // RC4_NATIVE_HH