/* Copyright (c) 2008 Richard Bilson */#include "stdinc.h"#include "dat.h"#include "fns.h" voidencryptblock(uchar *block, int size, uchar *key){	AESstate aes;#ifdef __linux__	int fd = open("/dev/urandom", OREAD);	read(fd, block, AESbsize);	close(fd);#else	genrandom(block, AESbsize);#endif	setupAESstate(&aes, key, 16, block);	aesCBCencrypt(block+AESbsize, size, &aes);} voiddecryptblock(uchar *block, int size, uchar *key){	AESstate aes;	setupAESstate(&aes, key, 16, block);	aesCBCdecrypt(block+AESbsize, size, &aes);}