private void RunVector(IStreamCipher hc, string fileName, PeekableLineReader r, string vectorName)
{
// Console.WriteLine(fileName + " => " + vectorName);
string hexKey = ReadBlock(r);
string hexIV = ReadBlock(r);
ICipherParameters 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);
// Console.WriteLine(fileName + " => " + vectorName + " failed at " + lead); return;
}
break;
}
int posA = lead.IndexOf('[');
int posB = lead.IndexOf("..");
int posC = lead.IndexOf(']');
int start = Int32.Parse(lead.Substring(posA + 1, posB - (posA + 1)));
int end = Int32.Parse(lead.Substring(posB + 2, posC - (posB + 2)));
if (start % 64 != 0 || (end - start != 63))
{
throw new InvalidOperationException(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);
// Console.WriteLine(fileName + " => " + vectorName + " failed at " + lead); return;
}
}
}
private void RunTests(IStreamCipher hc, string fileName)
{
Stream resource = SimpleTest.GetTestDataAsStream(
"hc256." + fileName.Replace('/', '.'));
PeekableLineReader r = new PeekableLineReader(resource);
RunAllVectors(hc, fileName, r);
}
private void RunTests(IStreamCipher hc, string fileName)
{
Stream resource = SimpleTest.GetTestDataAsStream(
"hc256." + fileName.Replace('/', '.'));
PeekableLineReader r = new PeekableLineReader(resource);
RunAllVectors(hc, fileName, r);
}
private void RunAllVectors(IStreamCipher hc, string fileName, PeekableLineReader r)
{
for (;;)
{
string line = r.ReadLine();
if (line == null)
break;
line = line.Trim();
if (line.StartsWith("Set "))
{
RunVector(hc, fileName, r, line.Replace(":", ""));
}
}
}
private static string ReadBlock(PeekableLineReader r)
{
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 RunAllVectors(IStreamCipher hc, string fileName, PeekableLineReader r)
{
for (;;)
{
string line = r.ReadLine();
if (line == null)
{
break;
}
line = line.Trim();
if (line.StartsWith("Set "))
{
RunVector(hc, fileName, r, line.Replace(":", ""));
}
}
}
private void RunVector(IStreamCipher hc, string fileName, PeekableLineReader r, string vectorName)
{
// Console.WriteLine(fileName + " => " + vectorName);
string hexKey = ReadBlock(r);
string hexIV = ReadBlock(r);
ICipherParameters 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);
// Console.WriteLine(fileName + " => " + vectorName + " failed at " + lead); return;
}
break;
}
int posA = lead.IndexOf('[');
int posB = lead.IndexOf("..");
int posC = lead.IndexOf(']');
int start = Int32.Parse(lead.Substring(posA + 1, posB - (posA + 1)));
int end = Int32.Parse(lead.Substring(posB + 2, posC - (posB + 2)));
if (start % 64 != 0 || (end - start != 63))
throw new InvalidOperationException(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);
// Console.WriteLine(fileName + " => " + vectorName + " failed at " + lead); return;
}
}
}
private static string ReadBlock(PeekableLineReader r)
{
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;
}
