* used. The extra state information to record how much of the
* 64bit block we have used is contained in *num;
*/
-void CAST_ofb64_encrypt(unsigned char *in, unsigned char *out, long length,
- CAST_KEY *schedule, unsigned char *ivec, int *num)
+void CAST_ofb64_encrypt(const unsigned char *in, unsigned char *out,
+ long length, CAST_KEY *schedule, unsigned char *ivec,
+ int *num)
{
register CAST_LONG v0,v1,t;
register int n= *num;
unsigned char *iv;
int save=0;
- iv=(unsigned char *)ivec;
+ iv=ivec;
n2l(iv,v0);
n2l(iv,v1);
ti[0]=v0;
{
v0=ti[0];
v1=ti[1];
- iv=(unsigned char *)ivec;
+ iv=ivec;
l2n(v0,iv);
l2n(v1,iv);
}