// DES Encyption Library
// Scott Dial
// Copyright 2004

#ifndef __DES_H__
#define __DES_H__

// Standard DES Modes
#define DES_ENCRYPT 0
#define DES_DECRYPT 1
#define DES_ECB 0
#define DES_CBC 1
#define DES_CFB 2
#define DES_OFB 3
#define DES_CTR 4

// DES encrypt/decrypt a single block
void des_block(char *oblock, const char *block, const char *key, int action);

// DES encrypt/decrypt a stream (Padded Input)
// To pass IV, append to the key
void des(char *out, const char *in, size_t len, const char *key, int action, int mode);

#endif __DES_H__