2
1
mirror of https://github.com/qpdf/qpdf.git synced 2024-06-17 01:12:21 +00:00
qpdf/libqpdf/qpdf/rijndael.h
2018-08-12 22:01:51 -04:00

26 lines
716 B
C

#ifndef RIJNDAEL_H
#define RIJNDAEL_H
#include <qpdf/qpdf-config.h>
#ifdef HAVE_INTTYPES_H
# include <inttypes.h>
#endif
#ifdef HAVE_STDINT_H
# include <stdint.h>
#endif
int rijndaelSetupEncrypt(uint32_t *rk, const unsigned char *key,
int keybits);
int rijndaelSetupDecrypt(uint32_t *rk, const unsigned char *key,
int keybits);
void rijndaelEncrypt(const uint32_t *rk, int nrounds,
const unsigned char plaintext[16], unsigned char ciphertext[16]);
void rijndaelDecrypt(const uint32_t *rk, int nrounds,
const unsigned char ciphertext[16], unsigned char plaintext[16]);
#define KEYLENGTH(keybits) ((keybits)/8)
#define RKLENGTH(keybits) ((keybits)/8+28)
#define NROUNDS(keybits) ((keybits)/32+6)
#endif