#ifndef H__RIJNDAEL
 #define H__RIJNDAEL
 
 int rijndaelSetupDecrypt(unsigned long *rk, const unsigned char *key,
   int keybits);
 void rijndaelDecrypt(const unsigned long *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