import static java.util.Collections.disjoint;
import java.io.IOException;
import java.io.InputStream;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.Arrays;
import org.junit.Test;
public class PropGen {
public static String digest(byte[] data, String algorithm) {
try {
MessageDigest md = MessageDigest.getInstance(algorithm);
byte[] digest = md.digest(data);
StringBuilder buf = new StringBuilder();
for(byte b: digest) {
buf.append(Integer.toHexString(0xF & (b >> 4)));
buf.append(Integer.toHexString(0xF & (b)));
}
return buf.toString();
} catch (NoSuchAlgorithmException e) {
throw new IllegalArgumentException(e);
}
}
public byte[] load(String res) throws IOException {
InputStream is = Thread.currentThread().getContextClassLoader().getResourceAsStream(res);
byte[] buf = new byte[128 << 10];
int n = is.read(buf);
return Arrays.copyOf(buf, n);
}
@Test
public void printProps() throws IOException {
byte[] dll32 = load("sjkwinh32.dll");
String hash32 = digest(dll32, "SHA-256");
byte[] dll64 = load("sjkwinh64.dll");
String hash64 = digest(dll64, "SHA-256");
System.out.println("dll32.hash: " + hash32);
System.out.println("dll32.len: " + dll32.length);
System.out.println("dll64.hash: " + hash64);
System.out.println("dll64.len: " + dll64.length);
}
}