register char *dp;
register unsigned char *dp;
void des_ofb64_encrypt(in, out, length, schedule, ivec, num)register unsigned char *in;register unsigned char *out;long length;des_key_schedule schedule;des_cblock (*ivec);int *num;	{	register DES_LONG v0,v1,t;	register int n= *num;	register long l=length;	des_cblock d;	register char *dp;	DES_LONG ti[2];	unsigned char *iv;	int save=0;	iv=(unsigned char *)ivec;	c2l(iv,v0);	c2l(iv,v1);	ti[0]=v0;	ti[1]=v1;	dp=(char *)d;	l2c(v0,dp);	l2c(v1,dp);	while (l--)		{		if (n == 0)			{			des_encrypt((DES_LONG *)ti,schedule,DES_ENCRYPT);			dp=(char *)d;			t=ti[0]; l2c(t,dp);			t=ti[1]; l2c(t,dp);			save++;			}		*(out++)= *(in++)^d[n];		n=(n+1)&0x07;		}	if (save)		{		v0=ti[0];		v1=ti[1];		iv=(unsigned char *)ivec;		l2c(v0,iv);		l2c(v1,iv);		}	t=v0=v1=ti[0]=ti[1]=0;	*num=n;	}