private static String readBlock(PeekableLineReader r) throws IOException {
String first = r.readLine().trim();
String result = first.substring(first.lastIndexOf(' ') + 1);
for (; ; ) {
String peek = r.peekLine().trim();
if (peek.length() < 1 || peek.indexOf('=') >= 0) {
break;
}
result += r.readLine().trim();
}
return result;
}
private void runVector(StreamCipher hc, String fileName, PeekableLineReader r, String vectorName)
throws IOException {
// System.out.println(fileName + " => " + vectorName);
String hexKey = readBlock(r);
String hexIV = readBlock(r);
CipherParameters cp = new KeyParameter(Hex.decode(hexKey));
cp = new ParametersWithIV(cp, Hex.decode(hexIV));
hc.init(true, cp);
byte[] input = new byte[64];
byte[] output = new byte[64];
byte[] digest = new byte[64];
int pos = 0;
for (; ; ) {
String line1 = r.peekLine().trim();
int equalsPos = line1.indexOf('=');
String lead = line1.substring(0, equalsPos - 1);
String hexData = readBlock(r);
byte[] data = Hex.decode(hexData);
if (lead.equals("xor-digest")) {
if (!Arrays.areEqual(data, digest)) {
fail("Failed in " + fileName + " for test vector: " + vectorName + " at " + lead);
// System.out.println(fileName + " => " + vectorName + " failed at " +
// lead); return;
}
break;
}
int posA = lead.indexOf('[');
int posB = lead.indexOf("..");
int posC = lead.indexOf(']');
int start = Integer.parseInt(lead.substring(posA + 1, posB));
int end = Integer.parseInt(lead.substring(posB + 2, posC));
if (start % 64 != 0 || (end - start != 63)) {
throw new IllegalStateException(vectorName + ": " + lead + " not on 64 byte boundaries");
}
while (pos < end) {
hc.processBytes(input, 0, input.length, output, 0);
xor(digest, output);
pos += 64;
}
if (!Arrays.areEqual(data, output)) {
fail("Failed in " + fileName + " for test vector: " + vectorName + " at " + lead);
// System.out.println(fileName + " => " + vectorName + " failed at " + lead);
// return;
}
}
}
private void runAllVectors(StreamCipher hc, String fileName, PeekableLineReader r)
throws IOException {
for (; ; ) {
String line = r.readLine();
if (line == null) {
break;
}
line = line.trim();
if (line.startsWith("Set ")) {
runVector(hc, fileName, r, dellChar(line, ':'));
}
}
}
