/* This file is in the public domain. */

#include "alg-util.h"

/*
 * Utilities for algorithm code.  See alg-util.h for interface
 *  contracts; the code here is commented only when it seems
 *  appropriate to add something beyond the interface contract.
 */

void xor_block(const void *iv1, const void *iv2, void *ov, int len)
{
 const unsigned char *i1;
 const unsigned char *i2;
 unsigned char *o;

 i1 = iv1;
 i2 = iv2;
 o = ov;
 for (;len>0;len--) *o++ = *i1++ ^ *i2++;
}