/**
* Copy from the copy method in StructUtil. Did not want to drag that code in. maybe this actually
* should go to struct.
*
* @param from
* @param to
* @param excludes
* @return
* @throws Exception
*/
public static <T extends struct> T xcopy(struct from, T to, String... excludes) throws Exception {
Arrays.sort(excludes);
for (Field f : from.fields()) {
if (Arrays.binarySearch(excludes, f.getName()) >= 0) continue;
Object o = f.get(from);
if (o == null) continue;
Field tof = to.getField(f.getName());
if (tof != null)
try {
tof.set(to, Converter.cnv(tof.getGenericType(), o));
} catch (Exception e) {
System.out.println(
"Failed to convert "
+ f.getName()
+ " from "
+ from.getClass()
+ " to "
+ to.getClass()
+ " value "
+ o
+ " exception "
+ e);
}
}
return to;
}
public int crack(String[] plaintexts, String[] ciphertexts) {
long[] in = parse(plaintexts);
long[] out = parse(ciphertexts);
int ans = 0;
for (long cur : in) {
long key = cur ^ out[0];
boolean ok = true;
for (long na : out) {
if (Arrays.binarySearch(in, (key ^ na)) < 0) ok = false;
}
if (ok) ans++;
}
return ans;
}