DES_set_key_unchecked(key,&ks);
if(DES_is_weak_key(key)) (*key)[7] ^= 0xF0; DES_set_key(key,&ks);
void DES_string_to_key(const char *str, DES_cblock *key)	{	DES_key_schedule ks;	int i,length;	register unsigned char j;	memset(key,0,8);	length=strlen(str);#ifdef OLD_STR_TO_KEY	for (i=0; i<length; i++)		(*key)[i%8]^=(str[i]<<1);#else /* MIT COMPATIBLE */	for (i=0; i<length; i++)		{		j=str[i];		if ((i%16) < 8)			(*key)[i%8]^=(j<<1);		else			{			/* Reverse the bit order 05/05/92 eay */			j=((j<<4)&0xf0)|((j>>4)&0x0f);			j=((j<<2)&0xcc)|((j>>2)&0x33);			j=((j<<1)&0xaa)|((j>>1)&0x55);			(*key)[7-(i%8)]^=j;			}		}#endif	DES_set_odd_parity(key);	DES_set_key_unchecked(key,&ks);	DES_cbc_cksum((const unsigned char*)str,key,length,&ks,key);	memset(&ks,0,sizeof(ks));	DES_set_odd_parity(key);	}