/*	idea.h - header file for idea.c*/#include "usuals.h"  /* typedefs for byte, word16, boolean, etc. */#define IDEAKEYSIZE 16#define IDEABLOCKSIZE 8void initcfb_idea(word16 iv0[4], byte key[16], boolean decryp);void ideacfb(byteptr buf, int count);void close_idea(void);void init_idearand(byte key[16], byte seed[8], word32 tstamp);byte idearand(void);void close_idearand(void);/* prototypes for passwd.c *//* GetHashedPassPhrase - get pass phrase from user, hashes it to an IDEA key. */int GetHashedPassPhrase(char *hash, boolean noecho);/* hashpass - Hash pass phrase down to 128 bits (16 bytes). */void hashpass (char *keystring, int keylen, byte *hash);